diff --git a/library/core/src/ptr/const_ptr.rs b/library/core/src/ptr/const_ptr.rs
index 68f39dc434780..7ef2e95542bba 100644
--- a/library/core/src/ptr/const_ptr.rs
+++ b/library/core/src/ptr/const_ptr.rs
@@ -295,7 +295,7 @@ impl<T: ?Sized> *const T {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get mutated (except inside `UnsafeCell`).
     ///
     /// This applies even if the result of this method is unused!
@@ -358,7 +358,7 @@ impl<T: ?Sized> *const T {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get mutated (except inside `UnsafeCell`).
     ///
     /// This applies even if the result of this method is unused!
@@ -1188,7 +1188,7 @@ impl<T> *const [T] {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get mutated (except inside `UnsafeCell`).
     ///
     /// This applies even if the result of this method is unused!
diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs
index 4c9b0f7cc0c05..56f9c84f5af6f 100644
--- a/library/core/src/ptr/mut_ptr.rs
+++ b/library/core/src/ptr/mut_ptr.rs
@@ -302,7 +302,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get mutated (except inside `UnsafeCell`).
     ///
     /// This applies even if the result of this method is unused!
@@ -368,7 +368,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get mutated (except inside `UnsafeCell`).
     ///
     /// This applies even if the result of this method is unused!
@@ -550,7 +550,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get accessed (read or written) through any other pointer.
     ///
     /// This applies even if the result of this method is unused!
@@ -615,7 +615,7 @@ impl<T: ?Sized> *mut T {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get accessed (read or written) through any other pointer.
     ///
     /// This applies even if the result of this method is unused!
@@ -1461,7 +1461,7 @@ impl<T> *mut [T] {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get mutated (except inside `UnsafeCell`).
     ///
     /// This applies even if the result of this method is unused!
@@ -1513,7 +1513,7 @@ impl<T> *mut [T] {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get accessed (read or written) through any other pointer.
     ///
     /// This applies even if the result of this method is unused!
diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs
index 6f402924e75df..5ebe61509063f 100644
--- a/library/core/src/ptr/non_null.rs
+++ b/library/core/src/ptr/non_null.rs
@@ -114,7 +114,7 @@ impl<T: Sized> NonNull<T> {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get mutated (except inside `UnsafeCell`).
     ///
     /// This applies even if the result of this method is unused!
@@ -148,7 +148,7 @@ impl<T: Sized> NonNull<T> {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get accessed (read or written) through any other pointer.
     ///
     /// This applies even if the result of this method is unused!
@@ -350,7 +350,7 @@ impl<T: ?Sized> NonNull<T> {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get mutated (except inside `UnsafeCell`).
     ///
     /// This applies even if the result of this method is unused!
@@ -400,7 +400,7 @@ impl<T: ?Sized> NonNull<T> {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get accessed (read or written) through any other pointer.
     ///
     /// This applies even if the result of this method is unused!
@@ -580,7 +580,7 @@ impl<T> NonNull<[T]> {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get mutated (except inside `UnsafeCell`).
     ///
     /// This applies even if the result of this method is unused!
@@ -626,7 +626,7 @@ impl<T> NonNull<[T]> {
     ///
     /// * You must enforce Rust's aliasing rules, since the returned lifetime `'a` is
     ///   arbitrarily chosen and does not necessarily reflect the actual lifetime of the data.
-    ///   In particular, for the duration of this lifetime, the memory the pointer points to must
+    ///   In particular, while this reference exists, the memory the pointer points to must
     ///   not get accessed (read or written) through any other pointer.
     ///
     /// This applies even if the result of this method is unused!
diff --git a/library/core/tests/hash/sip.rs b/library/core/tests/hash/sip.rs
index 5c0e114e93c15..877d084183055 100644
--- a/library/core/tests/hash/sip.rs
+++ b/library/core/tests/hash/sip.rs
@@ -15,28 +15,6 @@ impl<'a> Hash for Bytes<'a> {
     }
 }
 
-macro_rules! u8to64_le {
-    ($buf:expr, $i:expr) => {
-        $buf[0 + $i] as u64
-            | ($buf[1 + $i] as u64) << 8
-            | ($buf[2 + $i] as u64) << 16
-            | ($buf[3 + $i] as u64) << 24
-            | ($buf[4 + $i] as u64) << 32
-            | ($buf[5 + $i] as u64) << 40
-            | ($buf[6 + $i] as u64) << 48
-            | ($buf[7 + $i] as u64) << 56
-    };
-    ($buf:expr, $i:expr, $len:expr) => {{
-        let mut t = 0;
-        let mut out = 0;
-        while t < $len {
-            out |= ($buf[t + $i] as u64) << t * 8;
-            t += 1;
-        }
-        out
-    }};
-}
-
 fn hash_with<H: Hasher, T: Hash>(mut st: H, x: &T) -> u64 {
     x.hash(&mut st);
     st.finish()
@@ -123,7 +101,7 @@ fn test_siphash_1_3() {
     let mut state_inc = SipHasher13::new_with_keys(k0, k1);
 
     while t < 64 {
-        let vec = u8to64_le!(vecs[t], 0);
+        let vec = u64::from_le_bytes(vecs[t]);
         let out = hash_with(SipHasher13::new_with_keys(k0, k1), &Bytes(&buf));
         assert_eq!(vec, out);
 
@@ -217,7 +195,7 @@ fn test_siphash_2_4() {
     let mut state_inc = SipHasher::new_with_keys(k0, k1);
 
     while t < 64 {
-        let vec = u8to64_le!(vecs[t], 0);
+        let vec = u64::from_le_bytes(vecs[t]);
         let out = hash_with(SipHasher::new_with_keys(k0, k1), &Bytes(&buf));
         assert_eq!(vec, out);
 
diff --git a/src/doc/book b/src/doc/book
index ea90bbaf53ba6..765318b844569 160000
--- a/src/doc/book
+++ b/src/doc/book
@@ -1 +1 @@
-Subproject commit ea90bbaf53ba64ef4e2da9ac2352b298aec6bec8
+Subproject commit 765318b844569a642ceef7bf1adab9639cbf6af3
diff --git a/src/doc/nomicon b/src/doc/nomicon
index 11f1165e8a2f5..c7d8467ca9158 160000
--- a/src/doc/nomicon
+++ b/src/doc/nomicon
@@ -1 +1 @@
-Subproject commit 11f1165e8a2f5840467e748c8108dc53c948ee9a
+Subproject commit c7d8467ca9158da58ef295ae65dbf00a308752d9
diff --git a/src/doc/reference b/src/doc/reference
index c97d14fa6fed0..b5f6c2362baf9 160000
--- a/src/doc/reference
+++ b/src/doc/reference
@@ -1 +1 @@
-Subproject commit c97d14fa6fed0baa9255432b8a93cb70614f80e3
+Subproject commit b5f6c2362baf932db9440fbfcb509b309237ee85
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
index ec954f35eedf5..c2a98d9fc5d29 160000
--- a/src/doc/rust-by-example
+++ b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit ec954f35eedf592cd173b21c05a7f80a65b61d8a
+Subproject commit c2a98d9fc5d29c481d42052fbeccfde15ed03116
diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide
index 155126b1d2e2c..eeb5a83c15b6a 160000
--- a/src/doc/rustc-dev-guide
+++ b/src/doc/rustc-dev-guide
@@ -1 +1 @@
-Subproject commit 155126b1d2e2cb01ddb1d7ba9489b90d7cd173ad
+Subproject commit eeb5a83c15b6ae60df3e4f19207376b22c6fbc4c
diff --git a/src/etc/htmldocck.py b/src/etc/htmldocck.py
index df215f318239e..269b6868e29f9 100644
--- a/src/etc/htmldocck.py
+++ b/src/etc/htmldocck.py
@@ -423,8 +423,12 @@ def check_snapshot(snapshot_name, actual_tree, normalize_to_text):
     else:
         actual_str = flatten(actual_tree)
 
+    # Conditions:
+    #  1. Is --bless
+    #  2. Are actual and expected tree different
+    #  3. Are actual and expected text different
     if not expected_str \
-        or (not normalize_to_text and
+        or (not normalize_to_text and \
             not compare_tree(make_xml(actual_str), make_xml(expected_str), stderr)) \
         or (normalize_to_text and actual_str != expected_str):
 
diff --git a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.base.stderr
similarity index 94%
rename from src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr
rename to src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.base.stderr
index 299a2d2f2d3de..7985bf266d8e8 100644
--- a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr
+++ b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:8:52
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:11:52
    |
 LL |     async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
    |                                    ----     ----   ^ ...but data from `f` is returned here
@@ -7,7 +7,7 @@ LL |     async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
    |                                    this parameter and the return type are declared with different lifetimes...
 
 error[E0623]: lifetime mismatch
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:11:82
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:15:82
    |
 LL |     async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
    |                                     ----              -----------------          ^ ...but data from `f` is returned here
@@ -15,7 +15,7 @@ LL |     async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (
    |                                     this parameter and the return type are declared with different lifetimes...
 
 error[E0623]: lifetime mismatch
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:17:64
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:22:64
    |
 LL |     async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg }
    |                                               ------     ---   ^^^ ...but data from `arg` is returned here
diff --git a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.nll.stderr b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.nll.stderr
index 57374b7e3bb27..8a55a7c34d77b 100644
--- a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.nll.stderr
+++ b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:8:52
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:11:52
    |
 LL |     async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
    |                          -         -               ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
@@ -8,7 +8,7 @@ LL |     async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
    |                          let's call the lifetime of this reference `'2`
 
 error: lifetime may not live long enough
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:11:75
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:15:75
    |
 LL |     async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
    |                          -          -                                     ^^^^^^^^^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
@@ -17,7 +17,7 @@ LL |     async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (
    |                          let's call the lifetime of this reference `'2`
 
 error: lifetime may not live long enough
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:17:64
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:22:64
    |
 LL |     async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg }
    |                  --              -                             ^^^ associated function was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a`
diff --git a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.rs b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.rs
index f42337d534062..c54f7963c231c 100644
--- a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.rs
+++ b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.rs
@@ -1,4 +1,7 @@
 // edition:2018
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
 
 use std::pin::Pin;
 
@@ -6,15 +9,19 @@ struct Foo;
 
 impl Foo {
     async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
-    //~^ ERROR lifetime mismatch
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ lifetime may not live long enough
 
     async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
-    //~^ ERROR lifetime mismatch
+    //[base]~^ ERROR lifetime mismatch
+    //[nll]~^^ lifetime may not live long enough
 }
 
 type Alias<T> = Pin<T>;
 impl Foo {
-    async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } //~ ERROR E0623
+    async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg }
+    //[base]~^ ERROR E0623
+    //[nll]~^^ lifetime may not live long enough
 }
 
 fn main() {}
diff --git a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.base.stderr
similarity index 90%
rename from src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr
rename to src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.base.stderr
index 64a574695105a..c0e2f0bd3e900 100644
--- a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr
+++ b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:6:46
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:10:46
    |
 LL |     fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
    |                              ----     ----   ^ ...but data from `f` is returned here
@@ -13,7 +13,7 @@ LL |     fn a<'a>(self: Pin<&'a Foo>, f: &'a Foo) -> &Foo { f }
    |         ++++            ++           ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:8:76
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:14:76
    |
 LL |     fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
    |                               ----              -----------------          ^ ...but data from `f` is returned here
@@ -27,7 +27,7 @@ LL |     fn c<'a>(self: Pin<&'a Self>, f: &'a Foo, g: &Foo) -> (Pin<&Foo>, &Foo)
    |         ++++            ++            ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:13:58
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:21:58
    |
 LL |     fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg }
    |                                         ------     ---   ^^^ ...but data from `arg` is returned here
diff --git a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.nll.stderr b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.nll.stderr
index 92241b2fb2dc1..b06ebf7047737 100644
--- a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.nll.stderr
+++ b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:6:46
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:10:46
    |
 LL |     fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
    |                    -         -               ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
@@ -8,7 +8,7 @@ LL |     fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
    |                    let's call the lifetime of this reference `'2`
 
 error: lifetime may not live long enough
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:8:69
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:14:69
    |
 LL |     fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
    |                    -          -                                     ^^^^^^^^^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
@@ -17,7 +17,7 @@ LL |     fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self,
    |                    let's call the lifetime of this reference `'2`
 
 error: lifetime may not live long enough
-  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:13:58
+  --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:21:58
    |
 LL |     fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg }
    |            --  ---- has type `Pin<&'1 Foo>`              ^^^ associated function was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a`
diff --git a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs
index 8291e44080b37..34b08b364fb5d 100644
--- a/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs
+++ b/src/test/ui/self/arbitrary_self_types_pin_lifetime_mismatch.rs
@@ -1,16 +1,26 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 use std::pin::Pin;
 
 struct Foo;
 
 impl Foo {
-    fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f } //~ ERROR E0623
+    fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f }
+    //[base]~^ ERROR E0623
+    //[nll]~^^ lifetime may not live long enough
 
-    fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) } //~ ERROR E0623
+    fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) }
+    //[base]~^ ERROR E0623
+    //[nll]~^^ lifetime may not live long enough
 }
 
 type Alias<T> = Pin<T>;
 impl Foo {
-    fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } //~ ERROR E0623
+    fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg }
+    //[base]~^ ERROR E0623
+    //[nll]~^^ lifetime may not live long enough
 }
 
 fn main() {}
diff --git a/src/test/ui/self/elision/lt-ref-self-async.stderr b/src/test/ui/self/elision/lt-ref-self-async.base.stderr
similarity index 92%
rename from src/test/ui/self/elision/lt-ref-self-async.stderr
rename to src/test/ui/self/elision/lt-ref-self-async.base.stderr
index 7448e8484b47a..b43854906149a 100644
--- a/src/test/ui/self/elision/lt-ref-self-async.stderr
+++ b/src/test/ui/self/elision/lt-ref-self-async.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self-async.rs:13:9
+  --> $DIR/lt-ref-self-async.rs:16:9
    |
 LL |     async fn ref_self(&self, f: &u32) -> &u32 {
    |                                 ----     ----
@@ -9,7 +9,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self-async.rs:19:9
+  --> $DIR/lt-ref-self-async.rs:24:9
    |
 LL |     async fn ref_Self(self: &Self, f: &u32) -> &u32 {
    |                                       ----     ----
@@ -19,7 +19,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self-async.rs:23:9
+  --> $DIR/lt-ref-self-async.rs:30:9
    |
 LL |     async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
    |                                                ----     ----
@@ -29,7 +29,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self-async.rs:27:9
+  --> $DIR/lt-ref-self-async.rs:36:9
    |
 LL |     async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
    |                                                ----     ----
@@ -39,7 +39,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self-async.rs:31:9
+  --> $DIR/lt-ref-self-async.rs:42:9
    |
 LL |     async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
    |                                                         ----     ----
@@ -49,7 +49,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self-async.rs:35:9
+  --> $DIR/lt-ref-self-async.rs:48:9
    |
 LL |     async fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
    |                                                     ----     ----
diff --git a/src/test/ui/self/elision/lt-ref-self-async.nll.stderr b/src/test/ui/self/elision/lt-ref-self-async.nll.stderr
index c10b8824e6d63..2ba9a6596f62d 100644
--- a/src/test/ui/self/elision/lt-ref-self-async.nll.stderr
+++ b/src/test/ui/self/elision/lt-ref-self-async.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self-async.rs:13:9
+  --> $DIR/lt-ref-self-async.rs:16:9
    |
 LL |     async fn ref_self(&self, f: &u32) -> &u32 {
    |                       -         - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self-async.rs:19:9
+  --> $DIR/lt-ref-self-async.rs:24:9
    |
 LL |     async fn ref_Self(self: &Self, f: &u32) -> &u32 {
    |                             -         - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self-async.rs:23:9
+  --> $DIR/lt-ref-self-async.rs:30:9
    |
 LL |     async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
    |                                     -          - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self-async.rs:27:9
+  --> $DIR/lt-ref-self-async.rs:36:9
    |
 LL |     async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
    |                                     -          - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self-async.rs:31:9
+  --> $DIR/lt-ref-self-async.rs:42:9
    |
 LL |     async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
    |                                             -           - let's call the lifetime of this reference `'1`
@@ -49,7 +49,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self-async.rs:35:9
+  --> $DIR/lt-ref-self-async.rs:48:9
    |
 LL |     async fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
    |                                         -           - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/lt-ref-self-async.rs b/src/test/ui/self/elision/lt-ref-self-async.rs
index ef6cbe7772c27..24482b3a2787b 100644
--- a/src/test/ui/self/elision/lt-ref-self-async.rs
+++ b/src/test/ui/self/elision/lt-ref-self-async.rs
@@ -1,4 +1,7 @@
 // edition:2018
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
 
 #![allow(non_snake_case)]
 
@@ -10,29 +13,41 @@ impl<'a> Struct<'a> {
     // Test using `&self` sugar:
 
     async fn ref_self(&self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     // Test using `&Self` explicitly:
 
     async fn ref_Self(self: &Self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/self/elision/lt-ref-self.stderr b/src/test/ui/self/elision/lt-ref-self.base.stderr
similarity index 96%
rename from src/test/ui/self/elision/lt-ref-self.stderr
rename to src/test/ui/self/elision/lt-ref-self.base.stderr
index 5764ab03c5519..0f5cd6fb85396 100644
--- a/src/test/ui/self/elision/lt-ref-self.stderr
+++ b/src/test/ui/self/elision/lt-ref-self.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self.rs:11:9
+  --> $DIR/lt-ref-self.rs:15:9
    |
 LL |     fn ref_self(&self, f: &u32) -> &u32 {
    |                           ----     ----
@@ -15,7 +15,7 @@ LL |     fn ref_self<'a>(&'a self, f: &'a u32) -> &u32 {
    |                ++++  ++           ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self.rs:17:9
+  --> $DIR/lt-ref-self.rs:23:9
    |
 LL |     fn ref_Self(self: &Self, f: &u32) -> &u32 {
    |                                 ----     ----
@@ -31,7 +31,7 @@ LL |     fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &u32 {
    |                ++++        ++           ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self.rs:21:9
+  --> $DIR/lt-ref-self.rs:29:9
    |
 LL |     fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
    |                                          ----     ----
@@ -47,7 +47,7 @@ LL |     fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &u32 {
    |                    ++++            ++            ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self.rs:25:9
+  --> $DIR/lt-ref-self.rs:35:9
    |
 LL |     fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
    |                                          ----     ----
@@ -63,7 +63,7 @@ LL |     fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &u32 {
    |                    ++++            ++            ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self.rs:29:9
+  --> $DIR/lt-ref-self.rs:41:9
    |
 LL |     fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
    |                                                   ----     ----
@@ -79,7 +79,7 @@ LL |     fn box_box_ref_Self<'a>(self: Box<Box<&'a Self>>, f: &'a u32) -> &u32 {
    |                        ++++                ++             ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/lt-ref-self.rs:33:9
+  --> $DIR/lt-ref-self.rs:47:9
    |
 LL |     fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
    |                                               ----     ----
diff --git a/src/test/ui/self/elision/lt-ref-self.nll.stderr b/src/test/ui/self/elision/lt-ref-self.nll.stderr
index e2de743b8f63e..1934207527b9c 100644
--- a/src/test/ui/self/elision/lt-ref-self.nll.stderr
+++ b/src/test/ui/self/elision/lt-ref-self.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self.rs:11:9
+  --> $DIR/lt-ref-self.rs:15:9
    |
 LL |     fn ref_self(&self, f: &u32) -> &u32 {
    |                 -         - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self.rs:17:9
+  --> $DIR/lt-ref-self.rs:23:9
    |
 LL |     fn ref_Self(self: &Self, f: &u32) -> &u32 {
    |                       -         - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self.rs:21:9
+  --> $DIR/lt-ref-self.rs:29:9
    |
 LL |     fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
    |                               -          - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self.rs:25:9
+  --> $DIR/lt-ref-self.rs:35:9
    |
 LL |     fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
    |                               -          - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self.rs:29:9
+  --> $DIR/lt-ref-self.rs:41:9
    |
 LL |     fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
    |                                       -           - let's call the lifetime of this reference `'1`
@@ -49,7 +49,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/lt-ref-self.rs:33:9
+  --> $DIR/lt-ref-self.rs:47:9
    |
 LL |     fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
    |                                   -           - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/lt-ref-self.rs b/src/test/ui/self/elision/lt-ref-self.rs
index 423c7d5822df7..62bdb13dc0f95 100644
--- a/src/test/ui/self/elision/lt-ref-self.rs
+++ b/src/test/ui/self/elision/lt-ref-self.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 #![allow(non_snake_case)]
 
 use std::pin::Pin;
@@ -8,29 +12,41 @@ impl<'a> Struct<'a> {
     // Test using `&self` sugar:
 
     fn ref_self(&self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     // Test using `&Self` explicitly:
 
     fn ref_Self(self: &Self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/self/elision/ref-mut-self-async.stderr b/src/test/ui/self/elision/ref-mut-self-async.base.stderr
similarity index 92%
rename from src/test/ui/self/elision/ref-mut-self-async.stderr
rename to src/test/ui/self/elision/ref-mut-self-async.base.stderr
index 6056cc46d3d8a..851337552c9ad 100644
--- a/src/test/ui/self/elision/ref-mut-self-async.stderr
+++ b/src/test/ui/self/elision/ref-mut-self-async.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self-async.rs:13:9
+  --> $DIR/ref-mut-self-async.rs:16:9
    |
 LL |     async fn ref_self(&mut self, f: &u32) -> &u32 {
    |                                     ----     ----
@@ -9,7 +9,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self-async.rs:19:9
+  --> $DIR/ref-mut-self-async.rs:24:9
    |
 LL |     async fn ref_Self(self: &mut Self, f: &u32) -> &u32 {
    |                                           ----     ----
@@ -19,7 +19,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self-async.rs:23:9
+  --> $DIR/ref-mut-self-async.rs:30:9
    |
 LL |     async fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 {
    |                                                    ----     ----
@@ -29,7 +29,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self-async.rs:27:9
+  --> $DIR/ref-mut-self-async.rs:36:9
    |
 LL |     async fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 {
    |                                                    ----     ----
@@ -39,7 +39,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self-async.rs:31:9
+  --> $DIR/ref-mut-self-async.rs:42:9
    |
 LL |     async fn box_box_ref_Self(self: Box<Box<&mut Self>>, f: &u32) -> &u32 {
    |                                                             ----     ----
@@ -49,7 +49,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self-async.rs:35:9
+  --> $DIR/ref-mut-self-async.rs:48:9
    |
 LL |     async fn box_pin_ref_Self(self: Box<Pin<&mut Self>>, f: &u32) -> &u32 {
    |                                                             ----     ----
diff --git a/src/test/ui/self/elision/ref-mut-self-async.nll.stderr b/src/test/ui/self/elision/ref-mut-self-async.nll.stderr
index 19496a5ef6d32..cdd464039cda0 100644
--- a/src/test/ui/self/elision/ref-mut-self-async.nll.stderr
+++ b/src/test/ui/self/elision/ref-mut-self-async.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self-async.rs:13:9
+  --> $DIR/ref-mut-self-async.rs:16:9
    |
 LL |     async fn ref_self(&mut self, f: &u32) -> &u32 {
    |                       -             - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self-async.rs:19:9
+  --> $DIR/ref-mut-self-async.rs:24:9
    |
 LL |     async fn ref_Self(self: &mut Self, f: &u32) -> &u32 {
    |                             -             - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self-async.rs:23:9
+  --> $DIR/ref-mut-self-async.rs:30:9
    |
 LL |     async fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 {
    |                                     -              - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self-async.rs:27:9
+  --> $DIR/ref-mut-self-async.rs:36:9
    |
 LL |     async fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 {
    |                                     -              - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self-async.rs:31:9
+  --> $DIR/ref-mut-self-async.rs:42:9
    |
 LL |     async fn box_box_ref_Self(self: Box<Box<&mut Self>>, f: &u32) -> &u32 {
    |                                             -               - let's call the lifetime of this reference `'1`
@@ -49,7 +49,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self-async.rs:35:9
+  --> $DIR/ref-mut-self-async.rs:48:9
    |
 LL |     async fn box_pin_ref_Self(self: Box<Pin<&mut Self>>, f: &u32) -> &u32 {
    |                                             -               - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/ref-mut-self-async.rs b/src/test/ui/self/elision/ref-mut-self-async.rs
index 1e65605036d6f..59b41f364f9a1 100644
--- a/src/test/ui/self/elision/ref-mut-self-async.rs
+++ b/src/test/ui/self/elision/ref-mut-self-async.rs
@@ -1,4 +1,7 @@
 // edition:2018
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
 
 #![allow(non_snake_case)]
 
@@ -10,29 +13,41 @@ impl Struct {
     // Test using `&mut self` sugar:
 
     async fn ref_self(&mut self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     // Test using `&mut Self` explicitly:
 
     async fn ref_Self(self: &mut Self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_box_ref_Self(self: Box<Box<&mut Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_pin_ref_Self(self: Box<Pin<&mut Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/self/elision/ref-mut-self.stderr b/src/test/ui/self/elision/ref-mut-self.base.stderr
similarity index 96%
rename from src/test/ui/self/elision/ref-mut-self.stderr
rename to src/test/ui/self/elision/ref-mut-self.base.stderr
index 416719a08e033..fceddddf20ea5 100644
--- a/src/test/ui/self/elision/ref-mut-self.stderr
+++ b/src/test/ui/self/elision/ref-mut-self.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self.rs:11:9
+  --> $DIR/ref-mut-self.rs:15:9
    |
 LL |     fn ref_self(&mut self, f: &u32) -> &u32 {
    |                               ----     ----
@@ -15,7 +15,7 @@ LL |     fn ref_self<'a>(&'a mut self, f: &'a u32) -> &u32 {
    |                ++++  ++               ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self.rs:17:9
+  --> $DIR/ref-mut-self.rs:23:9
    |
 LL |     fn ref_Self(self: &mut Self, f: &u32) -> &u32 {
    |                                     ----     ----
@@ -31,7 +31,7 @@ LL |     fn ref_Self<'a>(self: &'a mut Self, f: &'a u32) -> &u32 {
    |                ++++        ++               ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self.rs:21:9
+  --> $DIR/ref-mut-self.rs:29:9
    |
 LL |     fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 {
    |                                              ----     ----
@@ -47,7 +47,7 @@ LL |     fn box_ref_Self<'a>(self: Box<&'a mut Self>, f: &'a u32) -> &u32 {
    |                    ++++            ++                ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self.rs:25:9
+  --> $DIR/ref-mut-self.rs:35:9
    |
 LL |     fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 {
    |                                              ----     ----
@@ -63,7 +63,7 @@ LL |     fn pin_ref_Self<'a>(self: Pin<&'a mut Self>, f: &'a u32) -> &u32 {
    |                    ++++            ++                ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self.rs:29:9
+  --> $DIR/ref-mut-self.rs:41:9
    |
 LL |     fn box_box_ref_Self(self: Box<Box<&mut Self>>, f: &u32) -> &u32 {
    |                                                       ----     ----
@@ -79,7 +79,7 @@ LL |     fn box_box_ref_Self<'a>(self: Box<Box<&'a mut Self>>, f: &'a u32) -> &u
    |                        ++++                ++                 ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-self.rs:33:9
+  --> $DIR/ref-mut-self.rs:47:9
    |
 LL |     fn box_pin_ref_Self(self: Box<Pin<&mut Self>>, f: &u32) -> &u32 {
    |                                                       ----     ----
diff --git a/src/test/ui/self/elision/ref-mut-self.nll.stderr b/src/test/ui/self/elision/ref-mut-self.nll.stderr
index 94bfc5f4a8186..f1f4d341b2bd8 100644
--- a/src/test/ui/self/elision/ref-mut-self.nll.stderr
+++ b/src/test/ui/self/elision/ref-mut-self.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self.rs:11:9
+  --> $DIR/ref-mut-self.rs:15:9
    |
 LL |     fn ref_self(&mut self, f: &u32) -> &u32 {
    |                 -             - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self.rs:17:9
+  --> $DIR/ref-mut-self.rs:23:9
    |
 LL |     fn ref_Self(self: &mut Self, f: &u32) -> &u32 {
    |                       -             - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self.rs:21:9
+  --> $DIR/ref-mut-self.rs:29:9
    |
 LL |     fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 {
    |                               -              - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self.rs:25:9
+  --> $DIR/ref-mut-self.rs:35:9
    |
 LL |     fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 {
    |                               -              - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self.rs:29:9
+  --> $DIR/ref-mut-self.rs:41:9
    |
 LL |     fn box_box_ref_Self(self: Box<Box<&mut Self>>, f: &u32) -> &u32 {
    |                                       -               - let's call the lifetime of this reference `'1`
@@ -49,7 +49,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-self.rs:33:9
+  --> $DIR/ref-mut-self.rs:47:9
    |
 LL |     fn box_pin_ref_Self(self: Box<Pin<&mut Self>>, f: &u32) -> &u32 {
    |                                       -               - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/ref-mut-self.rs b/src/test/ui/self/elision/ref-mut-self.rs
index 8d9359dbd94b5..81bd279129d2b 100644
--- a/src/test/ui/self/elision/ref-mut-self.rs
+++ b/src/test/ui/self/elision/ref-mut-self.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 #![allow(non_snake_case)]
 
 use std::pin::Pin;
@@ -8,29 +12,41 @@ impl Struct {
     // Test using `&mut self` sugar:
 
     fn ref_self(&mut self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     // Test using `&mut Self` explicitly:
 
     fn ref_Self(self: &mut Self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_box_ref_Self(self: Box<Box<&mut Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_pin_ref_Self(self: Box<Pin<&mut Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/self/elision/ref-mut-struct-async.stderr b/src/test/ui/self/elision/ref-mut-struct-async.base.stderr
similarity index 92%
rename from src/test/ui/self/elision/ref-mut-struct-async.stderr
rename to src/test/ui/self/elision/ref-mut-struct-async.base.stderr
index 61034ae4d47b6..0de11c248758f 100644
--- a/src/test/ui/self/elision/ref-mut-struct-async.stderr
+++ b/src/test/ui/self/elision/ref-mut-struct-async.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct-async.rs:13:9
+  --> $DIR/ref-mut-struct-async.rs:16:9
    |
 LL |     async fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 {
    |                                               ----     ----
@@ -9,7 +9,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct-async.rs:17:9
+  --> $DIR/ref-mut-struct-async.rs:22:9
    |
 LL |     async fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 {
    |                                                        ----     ----
@@ -19,7 +19,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct-async.rs:21:9
+  --> $DIR/ref-mut-struct-async.rs:28:9
    |
 LL |     async fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 {
    |                                                        ----     ----
@@ -29,7 +29,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct-async.rs:25:9
+  --> $DIR/ref-mut-struct-async.rs:34:9
    |
 LL |     async fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 {
    |                                                                 ----     ----
@@ -39,7 +39,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct-async.rs:29:9
+  --> $DIR/ref-mut-struct-async.rs:40:9
    |
 LL |     async fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 {
    |                                                                 ----     ----
diff --git a/src/test/ui/self/elision/ref-mut-struct-async.nll.stderr b/src/test/ui/self/elision/ref-mut-struct-async.nll.stderr
index 94671c7c87a5e..0ef410c8df1eb 100644
--- a/src/test/ui/self/elision/ref-mut-struct-async.nll.stderr
+++ b/src/test/ui/self/elision/ref-mut-struct-async.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct-async.rs:13:9
+  --> $DIR/ref-mut-struct-async.rs:16:9
    |
 LL |     async fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 {
    |                               -               - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct-async.rs:17:9
+  --> $DIR/ref-mut-struct-async.rs:22:9
    |
 LL |     async fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 {
    |                                       -                - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct-async.rs:21:9
+  --> $DIR/ref-mut-struct-async.rs:28:9
    |
 LL |     async fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 {
    |                                       -                - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct-async.rs:25:9
+  --> $DIR/ref-mut-struct-async.rs:34:9
    |
 LL |     async fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 {
    |                                               -                 - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct-async.rs:29:9
+  --> $DIR/ref-mut-struct-async.rs:40:9
    |
 LL |     async fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 {
    |                                               -                 - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/ref-mut-struct-async.rs b/src/test/ui/self/elision/ref-mut-struct-async.rs
index 990f485907f8e..7448988355c9e 100644
--- a/src/test/ui/self/elision/ref-mut-struct-async.rs
+++ b/src/test/ui/self/elision/ref-mut-struct-async.rs
@@ -1,4 +1,7 @@
 // edition:2018
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
 
 #![allow(non_snake_case)]
 
@@ -10,23 +13,33 @@ impl Struct {
     // Test using `&mut Struct` explicitly:
 
     async fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/self/elision/ref-mut-struct.stderr b/src/test/ui/self/elision/ref-mut-struct.base.stderr
similarity index 97%
rename from src/test/ui/self/elision/ref-mut-struct.stderr
rename to src/test/ui/self/elision/ref-mut-struct.base.stderr
index 6ca9ab1b2c775..a01492f6cd3fa 100644
--- a/src/test/ui/self/elision/ref-mut-struct.stderr
+++ b/src/test/ui/self/elision/ref-mut-struct.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct.rs:11:9
+  --> $DIR/ref-mut-struct.rs:15:9
    |
 LL |     fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 {
    |                                         ----     ----
@@ -15,7 +15,7 @@ LL |     fn ref_Struct<'a>(self: &'a mut Struct, f: &'a u32) -> &u32 {
    |                  ++++        ++                 ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct.rs:15:9
+  --> $DIR/ref-mut-struct.rs:21:9
    |
 LL |     fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 {
    |                                                  ----     ----
@@ -31,7 +31,7 @@ LL |     fn box_ref_Struct<'a>(self: Box<&'a mut Struct>, f: &'a u32) -> &u32 {
    |                      ++++            ++                  ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct.rs:19:9
+  --> $DIR/ref-mut-struct.rs:27:9
    |
 LL |     fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 {
    |                                                  ----     ----
@@ -47,7 +47,7 @@ LL |     fn pin_ref_Struct<'a>(self: Pin<&'a mut Struct>, f: &'a u32) -> &u32 {
    |                      ++++            ++                  ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct.rs:23:9
+  --> $DIR/ref-mut-struct.rs:33:9
    |
 LL |     fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 {
    |                                                           ----     ----
@@ -63,7 +63,7 @@ LL |     fn box_box_ref_Struct<'a>(self: Box<Box<&'a mut Struct>>, f: &'a u32) -
    |                          ++++                ++                   ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-mut-struct.rs:27:9
+  --> $DIR/ref-mut-struct.rs:39:9
    |
 LL |     fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 {
    |                                                           ----     ----
diff --git a/src/test/ui/self/elision/ref-mut-struct.nll.stderr b/src/test/ui/self/elision/ref-mut-struct.nll.stderr
index c9e7479ea5dff..de7eb02d7a7fe 100644
--- a/src/test/ui/self/elision/ref-mut-struct.nll.stderr
+++ b/src/test/ui/self/elision/ref-mut-struct.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct.rs:11:9
+  --> $DIR/ref-mut-struct.rs:15:9
    |
 LL |     fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 {
    |                         -               - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct.rs:15:9
+  --> $DIR/ref-mut-struct.rs:21:9
    |
 LL |     fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 {
    |                                 -                - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct.rs:19:9
+  --> $DIR/ref-mut-struct.rs:27:9
    |
 LL |     fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 {
    |                                 -                - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct.rs:23:9
+  --> $DIR/ref-mut-struct.rs:33:9
    |
 LL |     fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 {
    |                                         -                 - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-mut-struct.rs:27:9
+  --> $DIR/ref-mut-struct.rs:39:9
    |
 LL |     fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 {
    |                                         -                 - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/ref-mut-struct.rs b/src/test/ui/self/elision/ref-mut-struct.rs
index 05e275b19e4c4..72674bd65b66a 100644
--- a/src/test/ui/self/elision/ref-mut-struct.rs
+++ b/src/test/ui/self/elision/ref-mut-struct.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 #![allow(non_snake_case)]
 
 use std::pin::Pin;
@@ -8,23 +12,33 @@ impl Struct {
     // Test using `&mut Struct` explicitly:
 
     fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/self/elision/ref-self-async.stderr b/src/test/ui/self/elision/ref-self-async.base.stderr
similarity index 92%
rename from src/test/ui/self/elision/ref-self-async.stderr
rename to src/test/ui/self/elision/ref-self-async.base.stderr
index 0eab16e685d4c..fa13b69bb21a3 100644
--- a/src/test/ui/self/elision/ref-self-async.stderr
+++ b/src/test/ui/self/elision/ref-self-async.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self-async.rs:23:9
+  --> $DIR/ref-self-async.rs:26:9
    |
 LL |     async fn ref_self(&self, f: &u32) -> &u32 {
    |                                 ----     ----
@@ -9,7 +9,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self-async.rs:29:9
+  --> $DIR/ref-self-async.rs:34:9
    |
 LL |     async fn ref_Self(self: &Self, f: &u32) -> &u32 {
    |                                       ----     ----
@@ -19,7 +19,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self-async.rs:33:9
+  --> $DIR/ref-self-async.rs:40:9
    |
 LL |     async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
    |                                                ----     ----
@@ -29,7 +29,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self-async.rs:37:9
+  --> $DIR/ref-self-async.rs:46:9
    |
 LL |     async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
    |                                                ----     ----
@@ -39,7 +39,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self-async.rs:41:9
+  --> $DIR/ref-self-async.rs:52:9
    |
 LL |     async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
    |                                                         ----     ----
@@ -49,7 +49,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self-async.rs:45:9
+  --> $DIR/ref-self-async.rs:58:9
    |
 LL |     async fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
    |                                                         ----     ----
@@ -59,7 +59,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self-async.rs:49:9
+  --> $DIR/ref-self-async.rs:64:9
    |
 LL |     async fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 {
    |                                                             ---     ---
diff --git a/src/test/ui/self/elision/ref-self-async.nll.stderr b/src/test/ui/self/elision/ref-self-async.nll.stderr
index bd1f80811b542..77faaa866505f 100644
--- a/src/test/ui/self/elision/ref-self-async.nll.stderr
+++ b/src/test/ui/self/elision/ref-self-async.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ref-self-async.rs:23:9
+  --> $DIR/ref-self-async.rs:26:9
    |
 LL |     async fn ref_self(&self, f: &u32) -> &u32 {
    |                       -         - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self-async.rs:29:9
+  --> $DIR/ref-self-async.rs:34:9
    |
 LL |     async fn ref_Self(self: &Self, f: &u32) -> &u32 {
    |                             -         - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self-async.rs:33:9
+  --> $DIR/ref-self-async.rs:40:9
    |
 LL |     async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
    |                                     -          - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self-async.rs:37:9
+  --> $DIR/ref-self-async.rs:46:9
    |
 LL |     async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
    |                                     -          - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self-async.rs:41:9
+  --> $DIR/ref-self-async.rs:52:9
    |
 LL |     async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
    |                                             -           - let's call the lifetime of this reference `'1`
@@ -49,7 +49,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self-async.rs:45:9
+  --> $DIR/ref-self-async.rs:58:9
    |
 LL |     async fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
    |                                             -           - let's call the lifetime of this reference `'1`
@@ -59,7 +59,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self-async.rs:49:9
+  --> $DIR/ref-self-async.rs:64:9
    |
 LL |     async fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 {
    |                                            -                - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/ref-self-async.rs b/src/test/ui/self/elision/ref-self-async.rs
index 0fbbd95c975d6..afe5fe100e36c 100644
--- a/src/test/ui/self/elision/ref-self-async.rs
+++ b/src/test/ui/self/elision/ref-self-async.rs
@@ -1,4 +1,7 @@
 // edition:2018
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
 
 #![allow(non_snake_case)]
 #![feature(arbitrary_self_types)]
@@ -20,33 +23,47 @@ impl Struct {
     // Test using `&self` sugar:
 
     async fn ref_self(&self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     // Test using `&Self` explicitly:
 
     async fn ref_Self(self: &Self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/self/elision/ref-self.stderr b/src/test/ui/self/elision/ref-self.base.stderr
similarity index 96%
rename from src/test/ui/self/elision/ref-self.stderr
rename to src/test/ui/self/elision/ref-self.base.stderr
index 955222f765599..8bd194d701f2f 100644
--- a/src/test/ui/self/elision/ref-self.stderr
+++ b/src/test/ui/self/elision/ref-self.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self.rs:21:9
+  --> $DIR/ref-self.rs:25:9
    |
 LL |     fn ref_self(&self, f: &u32) -> &u32 {
    |                           ----     ----
@@ -15,7 +15,7 @@ LL |     fn ref_self<'a>(&'a self, f: &'a u32) -> &u32 {
    |                ++++  ++           ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self.rs:27:9
+  --> $DIR/ref-self.rs:33:9
    |
 LL |     fn ref_Self(self: &Self, f: &u32) -> &u32 {
    |                                 ----     ----
@@ -31,7 +31,7 @@ LL |     fn ref_Self<'a>(self: &'a Self, f: &'a u32) -> &u32 {
    |                ++++        ++           ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self.rs:31:9
+  --> $DIR/ref-self.rs:39:9
    |
 LL |     fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
    |                                          ----     ----
@@ -47,7 +47,7 @@ LL |     fn box_ref_Self<'a>(self: Box<&'a Self>, f: &'a u32) -> &u32 {
    |                    ++++            ++            ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self.rs:35:9
+  --> $DIR/ref-self.rs:45:9
    |
 LL |     fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
    |                                          ----     ----
@@ -63,7 +63,7 @@ LL |     fn pin_ref_Self<'a>(self: Pin<&'a Self>, f: &'a u32) -> &u32 {
    |                    ++++            ++            ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self.rs:39:9
+  --> $DIR/ref-self.rs:51:9
    |
 LL |     fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
    |                                                   ----     ----
@@ -79,7 +79,7 @@ LL |     fn box_box_ref_Self<'a>(self: Box<Box<&'a Self>>, f: &'a u32) -> &u32 {
    |                        ++++                ++             ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self.rs:43:9
+  --> $DIR/ref-self.rs:57:9
    |
 LL |     fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
    |                                                   ----     ----
@@ -95,7 +95,7 @@ LL |     fn box_pin_ref_Self<'a>(self: Box<Pin<&'a Self>>, f: &'a u32) -> &u32 {
    |                        ++++                ++             ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-self.rs:47:9
+  --> $DIR/ref-self.rs:63:9
    |
 LL |     fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 {
    |                                                       ---     ---
diff --git a/src/test/ui/self/elision/ref-self.nll.stderr b/src/test/ui/self/elision/ref-self.nll.stderr
index d1fd209102e69..f2b7b0ad01957 100644
--- a/src/test/ui/self/elision/ref-self.nll.stderr
+++ b/src/test/ui/self/elision/ref-self.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ref-self.rs:21:9
+  --> $DIR/ref-self.rs:25:9
    |
 LL |     fn ref_self(&self, f: &u32) -> &u32 {
    |                 -         - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self.rs:27:9
+  --> $DIR/ref-self.rs:33:9
    |
 LL |     fn ref_Self(self: &Self, f: &u32) -> &u32 {
    |                       -         - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self.rs:31:9
+  --> $DIR/ref-self.rs:39:9
    |
 LL |     fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
    |                               -          - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self.rs:35:9
+  --> $DIR/ref-self.rs:45:9
    |
 LL |     fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
    |                               -          - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self.rs:39:9
+  --> $DIR/ref-self.rs:51:9
    |
 LL |     fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
    |                                       -           - let's call the lifetime of this reference `'1`
@@ -49,7 +49,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self.rs:43:9
+  --> $DIR/ref-self.rs:57:9
    |
 LL |     fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
    |                                       -           - let's call the lifetime of this reference `'1`
@@ -59,7 +59,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-self.rs:47:9
+  --> $DIR/ref-self.rs:63:9
    |
 LL |     fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 {
    |                                      -                - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/ref-self.rs b/src/test/ui/self/elision/ref-self.rs
index e389d8518ada4..34df3da4505e8 100644
--- a/src/test/ui/self/elision/ref-self.rs
+++ b/src/test/ui/self/elision/ref-self.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 #![feature(arbitrary_self_types)]
 #![allow(non_snake_case)]
 
@@ -18,33 +22,47 @@ impl Struct {
     // Test using `&self` sugar:
 
     fn ref_self(&self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     // Test using `&Self` explicitly:
 
     fn ref_Self(self: &Self, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/self/elision/ref-struct-async.stderr b/src/test/ui/self/elision/ref-struct-async.base.stderr
similarity index 92%
rename from src/test/ui/self/elision/ref-struct-async.stderr
rename to src/test/ui/self/elision/ref-struct-async.base.stderr
index aa1d7453e83e1..8da673d44354e 100644
--- a/src/test/ui/self/elision/ref-struct-async.stderr
+++ b/src/test/ui/self/elision/ref-struct-async.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct-async.rs:13:9
+  --> $DIR/ref-struct-async.rs:16:9
    |
 LL |     async fn ref_Struct(self: &Struct, f: &u32) -> &u32 {
    |                                           ----     ----
@@ -9,7 +9,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct-async.rs:17:9
+  --> $DIR/ref-struct-async.rs:22:9
    |
 LL |     async fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 {
    |                                                    ----     ----
@@ -19,7 +19,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct-async.rs:21:9
+  --> $DIR/ref-struct-async.rs:28:9
    |
 LL |     async fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 {
    |                                                    ----     ----
@@ -29,7 +29,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct-async.rs:25:9
+  --> $DIR/ref-struct-async.rs:34:9
    |
 LL |     async fn box_box_ref_Struct(self: Box<Box<&Struct>>, f: &u32) -> &u32 {
    |                                                             ----     ----
@@ -39,7 +39,7 @@ LL |         f
    |         ^ ...but data from `f` is returned here
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct-async.rs:29:9
+  --> $DIR/ref-struct-async.rs:40:9
    |
 LL |     async fn box_pin_Struct(self: Box<Pin<&Struct>>, f: &u32) -> &u32 {
    |                                                         ----     ----
diff --git a/src/test/ui/self/elision/ref-struct-async.nll.stderr b/src/test/ui/self/elision/ref-struct-async.nll.stderr
index 9361b6f3f81f4..ad07c70df8778 100644
--- a/src/test/ui/self/elision/ref-struct-async.nll.stderr
+++ b/src/test/ui/self/elision/ref-struct-async.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ref-struct-async.rs:13:9
+  --> $DIR/ref-struct-async.rs:16:9
    |
 LL |     async fn ref_Struct(self: &Struct, f: &u32) -> &u32 {
    |                               -           - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-struct-async.rs:17:9
+  --> $DIR/ref-struct-async.rs:22:9
    |
 LL |     async fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 {
    |                                       -            - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-struct-async.rs:21:9
+  --> $DIR/ref-struct-async.rs:28:9
    |
 LL |     async fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 {
    |                                       -            - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-struct-async.rs:25:9
+  --> $DIR/ref-struct-async.rs:34:9
    |
 LL |     async fn box_box_ref_Struct(self: Box<Box<&Struct>>, f: &u32) -> &u32 {
    |                                               -             - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-struct-async.rs:29:9
+  --> $DIR/ref-struct-async.rs:40:9
    |
 LL |     async fn box_pin_Struct(self: Box<Pin<&Struct>>, f: &u32) -> &u32 {
    |                                           -             - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/ref-struct-async.rs b/src/test/ui/self/elision/ref-struct-async.rs
index e6bd5418c8d92..12f8f6faf1b9c 100644
--- a/src/test/ui/self/elision/ref-struct-async.rs
+++ b/src/test/ui/self/elision/ref-struct-async.rs
@@ -1,4 +1,7 @@
 // edition:2018
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
 
 #![allow(non_snake_case)]
 
@@ -10,23 +13,33 @@ impl Struct {
     // Test using `&Struct` explicitly:
 
     async fn ref_Struct(self: &Struct, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_box_ref_Struct(self: Box<Box<&Struct>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     async fn box_pin_Struct(self: Box<Pin<&Struct>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }
 
diff --git a/src/test/ui/self/elision/ref-struct.stderr b/src/test/ui/self/elision/ref-struct.base.stderr
similarity index 97%
rename from src/test/ui/self/elision/ref-struct.stderr
rename to src/test/ui/self/elision/ref-struct.base.stderr
index c80993fe8c455..5650b3788e7e3 100644
--- a/src/test/ui/self/elision/ref-struct.stderr
+++ b/src/test/ui/self/elision/ref-struct.base.stderr
@@ -1,5 +1,5 @@
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct.rs:11:9
+  --> $DIR/ref-struct.rs:15:9
    |
 LL |     fn ref_Struct(self: &Struct, f: &u32) -> &u32 {
    |                                     ----     ----
@@ -15,7 +15,7 @@ LL |     fn ref_Struct<'a>(self: &'a Struct, f: &'a u32) -> &u32 {
    |                  ++++        ++             ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct.rs:15:9
+  --> $DIR/ref-struct.rs:21:9
    |
 LL |     fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 {
    |                                              ----     ----
@@ -31,7 +31,7 @@ LL |     fn box_ref_Struct<'a>(self: Box<&'a Struct>, f: &'a u32) -> &u32 {
    |                      ++++            ++              ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct.rs:19:9
+  --> $DIR/ref-struct.rs:27:9
    |
 LL |     fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 {
    |                                              ----     ----
@@ -47,7 +47,7 @@ LL |     fn pin_ref_Struct<'a>(self: Pin<&'a Struct>, f: &'a u32) -> &u32 {
    |                      ++++            ++              ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct.rs:23:9
+  --> $DIR/ref-struct.rs:33:9
    |
 LL |     fn box_box_ref_Struct(self: Box<Box<&Struct>>, f: &u32) -> &u32 {
    |                                                       ----     ----
@@ -63,7 +63,7 @@ LL |     fn box_box_ref_Struct<'a>(self: Box<Box<&'a Struct>>, f: &'a u32) -> &u
    |                          ++++                ++               ++
 
 error[E0623]: lifetime mismatch
-  --> $DIR/ref-struct.rs:27:9
+  --> $DIR/ref-struct.rs:39:9
    |
 LL |     fn box_pin_Struct(self: Box<Pin<&Struct>>, f: &u32) -> &u32 {
    |                                                   ----     ----
diff --git a/src/test/ui/self/elision/ref-struct.nll.stderr b/src/test/ui/self/elision/ref-struct.nll.stderr
index e1cc38b7c952f..70453b0ddfc71 100644
--- a/src/test/ui/self/elision/ref-struct.nll.stderr
+++ b/src/test/ui/self/elision/ref-struct.nll.stderr
@@ -1,5 +1,5 @@
 error: lifetime may not live long enough
-  --> $DIR/ref-struct.rs:11:9
+  --> $DIR/ref-struct.rs:15:9
    |
 LL |     fn ref_Struct(self: &Struct, f: &u32) -> &u32 {
    |                         -           - let's call the lifetime of this reference `'1`
@@ -9,7 +9,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-struct.rs:15:9
+  --> $DIR/ref-struct.rs:21:9
    |
 LL |     fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 {
    |                                 -            - let's call the lifetime of this reference `'1`
@@ -19,7 +19,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-struct.rs:19:9
+  --> $DIR/ref-struct.rs:27:9
    |
 LL |     fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 {
    |                                 -            - let's call the lifetime of this reference `'1`
@@ -29,7 +29,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-struct.rs:23:9
+  --> $DIR/ref-struct.rs:33:9
    |
 LL |     fn box_box_ref_Struct(self: Box<Box<&Struct>>, f: &u32) -> &u32 {
    |                                         -             - let's call the lifetime of this reference `'1`
@@ -39,7 +39,7 @@ LL |         f
    |         ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1`
 
 error: lifetime may not live long enough
-  --> $DIR/ref-struct.rs:27:9
+  --> $DIR/ref-struct.rs:39:9
    |
 LL |     fn box_pin_Struct(self: Box<Pin<&Struct>>, f: &u32) -> &u32 {
    |                                     -             - let's call the lifetime of this reference `'1`
diff --git a/src/test/ui/self/elision/ref-struct.rs b/src/test/ui/self/elision/ref-struct.rs
index 73711a7feead3..0ffe72793d731 100644
--- a/src/test/ui/self/elision/ref-struct.rs
+++ b/src/test/ui/self/elision/ref-struct.rs
@@ -1,3 +1,7 @@
+// revisions: base nll
+// ignore-compare-mode-nll
+//[nll] compile-flags: -Z borrowck=mir
+
 #![allow(non_snake_case)]
 
 use std::pin::Pin;
@@ -8,23 +12,33 @@ impl Struct {
     // Test using `&Struct` explicitly:
 
     fn ref_Struct(self: &Struct, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_box_ref_Struct(self: Box<Box<&Struct>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 
     fn box_pin_Struct(self: Box<Pin<&Struct>>, f: &u32) -> &u32 {
-        f //~ ERROR lifetime mismatch
+        f
+        //[base]~^ ERROR lifetime mismatch
+        //[nll]~^^ ERROR lifetime may not live long enough
     }
 }