ci: Pin nightly to nightly-2024-09-01 (#2105)

Until rust-lang/rustup#4019 is fixed.

.github/workflows/bench.yml

@@ -10,7 +10,7 @@ env:
  CARGO_PROFILE_RELEASE_DEBUG: true
  CARGO_TERM_COLOR: always
  RUST_BACKTRACE: 1
- TOOLCHAIN: nightly
+ TOOLCHAIN: nightly-2024-09-01
  RUSTFLAGS: -C link-arg=-fuse-ld=lld -C link-arg=-Wl,--no-rosegment, -C force-frame-pointers=yes
  PERF_OPT: record -F997 --call-graph fp -g
 

.github/workflows/check.yml

@@ -28,7 +28,7 @@ jobs:
  # Don't increase beyond what Firefox is currently using:
  # https://searchfox.org/mozilla-central/search?q=MINIMUM_RUST_VERSION&path=python/mozboot/mozboot/util.py
  # Keep in sync with Cargo.toml
- rust-toolchain: [1.76.0, stable, nightly]
+ rust-toolchain: [1.76.0, stable, nightly-2024-09-01]
  type: [debug]
  include:
  - os: ubuntu-latest
@@ -92,7 +92,7 @@ jobs:
 
  - name: Check formatting
  run: |
- if [ "${{ matrix.rust-toolchain }}" != "nightly" ]; then
+ if [ "${{ startsWith(matrix.rust-toolchain, 'nightly') && 'nightly' }}" != "nightly" ]; then
  CONFIG_PATH="--config-path=$(mktemp)"
  fi
  # shellcheck disable=SC2086
@@ -112,7 +112,7 @@ jobs:
  # workspace. See e.g. https://github.com/mozilla/neqo/pull/1695.
  cargo +${{ matrix.rust-toolchain }} hack clippy --all-targets --feature-powerset --exclude-features gecko -- -D warnings || ${{ matrix.rust-toolchain == 'nightly' }}
  # Check that the fuzz targets also build
- if [ ${{ matrix.rust-toolchain }} == 'nightly' ]; then
+ if [ ${{ startsWith(matrix.rust-toolchain, 'nightly') && 'nightly' }} == 'nightly' ]; then
  cargo +${{ matrix.rust-toolchain }} fuzz check
  fi
  if: success() || failure()