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@dependabot dependabot bot commented on behalf of github Dec 29, 2025

Bumps proc-macro2 from 1.0.103 to 1.0.104.

Release notes

Sourced from proc-macro2's releases.

1.0.104

Commits
  • 4321369 Release 1.0.104
  • 9561144 Merge pull request #527 from dtolnay/extend
  • 57fed01 Update actions/upload-artifact@v5 -> v6
  • 1096f1a Update actions/upload-artifact@v4 -> v5
  • 4275e26 Update to 2021 edition
  • bccca27 Delete rustversion attributes older than required compiler version
  • 8f4c801 Update actions/checkout@v5 -> v6
  • 1baff31 Add new TokenStream Extend impls
  • 6f45ba0 Rename TokenTree collections to "tokens"
  • 2942447 Merge pull request #526 from dtolnay/up
  • Additional commits viewable in compare view

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Bumps [proc-macro2](https://github.com/dtolnay/proc-macro2) from 1.0.103 to 1.0.104.
- [Release notes](https://github.com/dtolnay/proc-macro2/releases)
- [Commits](dtolnay/proc-macro2@1.0.103...1.0.104)

---
updated-dependencies:
- dependency-name: proc-macro2
  dependency-version: 1.0.104
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file rust Pull requests that update Rust code labels Dec 29, 2025
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Benchmark Results

Details
Benchmark Current: 8eca00f Previous: 9bf66f7 Performance Ratio
startup_benchmark Build Time 103.70 s 100.77 s 1.03
startup_benchmark File Size 0.87 MB 0.87 MB 1.00
Startup Time - 1 core 0.97 s (±0.03 s) 1.01 s (±0.02 s) 0.96
Startup Time - 2 cores 0.97 s (±0.03 s) 1.00 s (±0.03 s) 0.98
Startup Time - 4 cores 1.01 s (±0.02 s) 1.00 s (±0.04 s) 1.01
multithreaded_benchmark Build Time 105.23 s 105.24 s 1.00
multithreaded_benchmark File Size 0.97 MB 0.97 MB 1.00
Multithreaded Pi Efficiency - 2 Threads 88.11 % (±8.28 %) 90.10 % (±7.66 %) 0.98
Multithreaded Pi Efficiency - 4 Threads 43.11 % (±2.85 %) 44.82 % (±3.56 %) 0.96
Multithreaded Pi Efficiency - 8 Threads 25.23 % (±1.95 %) 24.83 % (±1.58 %) 1.02
micro_benchmarks Build Time 179.70 s 175.41 s 1.02
micro_benchmarks File Size 0.98 MB 0.98 MB 1.00
Scheduling time - 1 thread 76.14 ticks (±3.44 ticks) 73.69 ticks (±4.45 ticks) 1.03
Scheduling time - 2 threads 55.95 ticks (±17.36 ticks) 65.87 ticks (±14.82 ticks) 0.85
Micro - Time for syscall (getpid) 4.82 ticks (±0.26 ticks) 4.62 ticks (±0.37 ticks) 1.04
Memcpy speed - (built_in) block size 4096 56293.19 MByte/s (±39604.55 MByte/s) 55768.32 MByte/s (±39376.25 MByte/s) 1.01
Memcpy speed - (built_in) block size 1048576 28863.79 MByte/s (±24204.53 MByte/s) 28583.93 MByte/s (±23843.16 MByte/s) 1.01
Memcpy speed - (built_in) block size 16777216 22586.59 MByte/s (±19160.92 MByte/s) 25538.34 MByte/s (±21555.71 MByte/s) 0.88
Memset speed - (built_in) block size 4096 56687.01 MByte/s (±39849.73 MByte/s) 56209.59 MByte/s (±39683.66 MByte/s) 1.01
Memset speed - (built_in) block size 1048576 29726.20 MByte/s (±24725.10 MByte/s) 29436.59 MByte/s (±24354.70 MByte/s) 1.01
Memset speed - (built_in) block size 16777216 22816.02 MByte/s (±19237.90 MByte/s) 25802.23 MByte/s (±21637.72 MByte/s) 0.88
Memcpy speed - (rust) block size 4096 49807.79 MByte/s (±36032.62 MByte/s) 51459.77 MByte/s (±37387.53 MByte/s) 0.97
Memcpy speed - (rust) block size 1048576 28651.31 MByte/s (±24063.07 MByte/s) 28522.93 MByte/s (±23828.89 MByte/s) 1.00
Memcpy speed - (rust) block size 16777216 22506.09 MByte/s (±18788.46 MByte/s) 26195.38 MByte/s (±22128.74 MByte/s) 0.86
Memset speed - (rust) block size 4096 50697.71 MByte/s (±36703.25 MByte/s) 51853.36 MByte/s (±37645.54 MByte/s) 0.98
Memset speed - (rust) block size 1048576 29544.95 MByte/s (±24603.01 MByte/s) 29374.63 MByte/s (±24340.66 MByte/s) 1.01
Memset speed - (rust) block size 16777216 22922.37 MByte/s (±18981.75 MByte/s) 26492.35 MByte/s (±22223.66 MByte/s) 0.87
alloc_benchmarks Build Time 171.26 s 163.61 s 1.05
alloc_benchmarks File Size 0.94 MB 0.94 MB 1.00
Allocations - Allocation success 100.00 % 100.00 % 1
Allocations - Deallocation success 100.00 % 100.00 % 1
Allocations - Pre-fail Allocations 100.00 % 100.00 % 1
Allocations - Average Allocation time 8758.73 Ticks (±94.74 Ticks) 8681.12 Ticks (±98.54 Ticks) 1.01
Allocations - Average Allocation time (no fail) 8758.73 Ticks (±94.74 Ticks) 8681.12 Ticks (±98.54 Ticks) 1.01
Allocations - Average Deallocation time 1123.37 Ticks (±165.23 Ticks) 812.70 Ticks (±77.53 Ticks) 1.38
mutex_benchmark Build Time 162.06 s 162.29 s 1.00
mutex_benchmark File Size 0.98 MB 0.98 MB 1.00
Mutex Stress Test Average Time per Iteration - 1 Threads 15.96 ns (±0.82 ns) 16.04 ns (±0.92 ns) 1.00
Mutex Stress Test Average Time per Iteration - 2 Threads 18.74 ns (±1.81 ns) 18.08 ns (±2.24 ns) 1.04

This comment was automatically generated by workflow using github-action-benchmark.

@mkroening mkroening enabled auto-merge December 29, 2025 21:30
@mkroening mkroening added this pull request to the merge queue Dec 29, 2025
Merged via the queue into main with commit 8598fa9 Dec 29, 2025
20 checks passed
@dependabot dependabot bot deleted the dependabot/cargo/proc-macro2-1.0.104 branch December 29, 2025 22:02
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