Bump Rust version to 1.90

Author: maneatingape

.github/workflows/checks.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - run: rustup default 1.89
+    - run: rustup default 1.90
     - run: cargo test
 
   test-nightly:

.github/workflows/docs.yml

@@ -18,7 +18,7 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
       - uses: actions/checkout@v4
-      - run: rustup default 1.89
+      - run: rustup default 1.90
       - run: cargo doc
         env:
           RUSTDOCFLAGS: "--document-private-items --default-theme=ayu --deny warnings"

Cargo.toml

@@ -2,7 +2,7 @@
 name = "aoc"
 version = "2024.12.25"
 edition = "2024"
-rust-version = "1.89"
+rust-version = "1.90"
 
 # Speed up benchmarking by not recompiling everything when only a single file changes.
 [profile.bench]
@@ -271,7 +271,6 @@ string_add = "warn"
 string_add_assign = "warn"
 string_lit_chars_any = "warn"
 string_slice = "allow"
-string_to_string = "allow"
 struct_excessive_bools = "warn"
 struct_field_names = "warn"
 suspicious_xor_used_as_pow = "warn"

src/year2015/day17.rs

@@ -71,6 +71,7 @@ pub fn part2(input: &[u32]) -> u32 {
 /// `containers`: Number of containers used so far
 /// `litres`: How many litres of eggnog stored so far
 /// `factor`: The total different number of ways of selecting previous containers
+#[expect(clippy::needless_range_loop)]
 fn combinations(state: &mut State, index: usize, containers: usize, litres: u32, factor: u32) {
     let n = state.freq[index];
     let mut next = litres;