diff --git a/Cargo.toml b/Cargo.toml
index 672a0683a75db..59f52a41c8c63 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,7 +70,7 @@ imperative = { version = "1.0.4" }
 indexmap = { version = "2.2.6" }
 indicatif = { version = "0.17.8" }
 indoc = { version = "2.0.4" }
-insta = { version = "1.35.1", feature = ["filters", "glob"] }
+insta = { version = "1.35.1" }
 insta-cmd = { version = "0.6.0" }
 is-macro = { version = "0.3.5" }
 is-wsl = { version = "0.4.0" }
diff --git a/crates/red_knot/src/module.rs b/crates/red_knot/src/module.rs
index 9050aaebbf112..820648b08451b 100644
--- a/crates/red_knot/src/module.rs
+++ b/crates/red_knot/src/module.rs
@@ -932,7 +932,7 @@ mod tests {
         // Luckily this crate will fail to build if this file isn't available at build time.
         const TYPESHED_ZIP_BYTES: &[u8] =
             include_bytes!(concat!(env!("OUT_DIR"), "/zipped_typeshed.zip"));
-        assert!(!TYPESHED_ZIP_BYTES.is_empty());
+
         let mut typeshed_zip_archive = ZipArchive::new(Cursor::new(TYPESHED_ZIP_BYTES))?;
 
         let path_to_functools = Path::new("stdlib").join("functools.pyi");
diff --git a/crates/ruff_linter/src/registry/rule_set.rs b/crates/ruff_linter/src/registry/rule_set.rs
index 7889ed81b5977..103906118af3a 100644
--- a/crates/ruff_linter/src/registry/rule_set.rs
+++ b/crates/ruff_linter/src/registry/rule_set.rs
@@ -1,8 +1,10 @@
-use crate::registry::Rule;
-use ruff_macros::CacheKey;
 use std::fmt::{Debug, Display, Formatter};
 use std::iter::FusedIterator;
 
+use ruff_macros::CacheKey;
+
+use crate::registry::Rule;
+
 const RULESET_SIZE: usize = 14;
 
 /// A set of [`Rule`]s.
@@ -367,7 +369,7 @@ impl Iterator for RuleSetIterator {
                 let rule_value = self.index * RuleSet::SLICE_BITS + bit;
                 // SAFETY: RuleSet guarantees that only valid rules are stored in the set.
                 #[allow(unsafe_code)]
-                return Some(unsafe { std::mem::transmute(rule_value) });
+                return Some(unsafe { std::mem::transmute::<u16, Rule>(rule_value) });
             }
 
             self.index += 1;
@@ -387,9 +389,10 @@ impl FusedIterator for RuleSetIterator {}
 
 #[cfg(test)]
 mod tests {
-    use crate::registry::{Rule, RuleSet};
     use strum::IntoEnumIterator;
 
+    use crate::registry::{Rule, RuleSet};
+
     /// Tests that the set can contain all rules
     #[test]
     fn test_all_rules() {
diff --git a/crates/ruff_python_formatter/src/other/parameters.rs b/crates/ruff_python_formatter/src/other/parameters.rs
index 6368e86f4e389..7515ede0a0cc2 100644
--- a/crates/ruff_python_formatter/src/other/parameters.rs
+++ b/crates/ruff_python_formatter/src/other/parameters.rs
@@ -1,5 +1,3 @@
-use std::usize;
-
 use ruff_formatter::{format_args, write, FormatRuleWithOptions};
 use ruff_python_ast::Parameters;
 use ruff_python_ast::{AnyNodeRef, AstNode};
diff --git a/crates/ruff_text_size/src/size.rs b/crates/ruff_text_size/src/size.rs
index e6d9a2dcbe1f9..1b597698d3f26 100644
--- a/crates/ruff_text_size/src/size.rs
+++ b/crates/ruff_text_size/src/size.rs
@@ -5,7 +5,6 @@ use {
         fmt, iter,
         num::TryFromIntError,
         ops::{Add, AddAssign, Sub, SubAssign},
-        u32,
     },
 };
 
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 744175d523f9a..c6e4d7d5031fa 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.78"
+channel = "1.79"