diff --git a/src/test/ui/resolve/crate-called-as-function.rs b/src/test/ui/resolve/crate-called-as-function.rs
new file mode 100644
index 0000000000000..e8f52c0c029aa
--- /dev/null
+++ b/src/test/ui/resolve/crate-called-as-function.rs
@@ -0,0 +1,3 @@
+fn main() {
+    ::foo() //~ cannot find external crate `foo` in the crate root
+}
diff --git a/src/test/ui/resolve/crate-called-as-function.stderr b/src/test/ui/resolve/crate-called-as-function.stderr
new file mode 100644
index 0000000000000..eb42349aff1b6
--- /dev/null
+++ b/src/test/ui/resolve/crate-called-as-function.stderr
@@ -0,0 +1,9 @@
+error[E0425]: cannot find external crate `foo` in the crate root
+  --> $DIR/crate-called-as-function.rs:2:7
+   |
+LL |     ::foo()
+   |       ^^^ not found in the crate root
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0425`.
diff --git a/src/test/ui/resolve/missing-in-namespace.rs b/src/test/ui/resolve/missing-in-namespace.rs
new file mode 100644
index 0000000000000..e1dedb072b77b
--- /dev/null
+++ b/src/test/ui/resolve/missing-in-namespace.rs
@@ -0,0 +1,4 @@
+fn main() {
+    let _map = std::hahmap::HashMap::new();
+    //~^ ERROR failed to resolve: could not find `hahmap` in `std
+}
diff --git a/src/test/ui/resolve/missing-in-namespace.stderr b/src/test/ui/resolve/missing-in-namespace.stderr
new file mode 100644
index 0000000000000..8b292aeda5074
--- /dev/null
+++ b/src/test/ui/resolve/missing-in-namespace.stderr
@@ -0,0 +1,14 @@
+error[E0433]: failed to resolve: could not find `hahmap` in `std`
+  --> $DIR/missing-in-namespace.rs:2:29
+   |
+LL |     let _map = std::hahmap::HashMap::new();
+   |                             ^^^^^^^ not found in `std::hahmap`
+   |
+help: consider importing this struct
+   |
+LL | use std::collections::HashMap;
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0433`.