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kylewlacy merged 2 commits into from
Jan 11, 2026
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build: update Rust nightly toolchain to 2026-01-05 #97

kylewlacy merged 2 commits into from
Jan 11, 2026

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@jaudiger jaudiger commented Jan 10, 2026

@jaudiger jaudiger self-assigned this Jan 10, 2026
@jaudiger jaudiger marked this pull request as draft January 10, 2026 12:10
@jaudiger jaudiger force-pushed the update-rust-nightly branch from 32f2311 to 2545a7c Compare January 10, 2026 12:15
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build: update Rust nightly toolchain to 2026-01-05
1a3a6e4 
Signed-off-by: Jérémy Audiger <jeremy.audiger@icloud.com>
@jaudiger jaudiger force-pushed the update-rust-nightly branch from 2545a7c to 1a3a6e4 Compare January 10, 2026 12:15
@jaudiger
build: optimize std for size when building with Rust nightly toolchain
87b2b6c 
Signed-off-by: Jérémy Audiger <jeremy.audiger@icloud.com>
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jaudiger commented Jan 10, 2026 •
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Summary:

Before: https://github.com/brioche-dev/brioche-runtime-utils/actions/runs/20875827001
After: https://github.com/brioche-dev/brioche-runtime-utils/actions/runs/20878209652

  • aarch64-linux: No size changes between builds - all 7 binaries are identical
  • x86_64-linux: 3 binaries increased in size (+40 KB total, +0.59%):
    • brioche-packed-plain-exec: +24.0 KB (+12.36%)
    • brioche-packed-exec: +8.0 KB (+9.75%)
    • brioche-packed-userland-exec: +8.0 KB (+9.75%)

aarch64-linux

Binary Before After Diff Change
brioche-cc 452.1 KB 452.1 KB 0 B 0.00%
brioche-ld 1.6 MB 1.6 MB 0 B 0.00%
brioche-packed-exec 129.5 KB 129.5 KB 0 B 0.00%
brioche-packed-plain-exec 193.6 KB 193.6 KB 0 B 0.00%
brioche-packed-userland-exec 129.5 KB 129.5 KB 0 B 0.00%
brioche-packer 2.3 MB 2.3 MB 0 B 0.00%
brioche-strip 708.2 KB 708.2 KB 0 B 0.00%
-------------------------------- -------------- -------------- -------------- ----------
TOTAL 5.5 MB 5.5 MB 0 B 0.00%

x86_64-linux

Binary Before After Diff Change
brioche-cc 444.6 KB 444.6 KB 0 B 0.00%
brioche-ld 2.1 MB 2.1 MB 0 B 0.00%
brioche-packer 3.0 MB 3.0 MB 0 B 0.00%
brioche-strip 820.6 KB 820.6 KB 0 B 0.00%
brioche-packed-exec 82.0 KB 90.0 KB +8.0 KB +9.75%
brioche-packed-userland-exec 82.0 KB 90.0 KB +8.0 KB +9.75%
brioche-packed-plain-exec 194.1 KB 218.1 KB +24.0 KB +12.36%
-------------------------------- -------------- -------------- -------------- ----------
TOTAL 6.6 MB 6.7 MB +40.0 KB +0.59%

@jaudiger jaudiger requested a review from kylewlacy January 10, 2026 12:39
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jaudiger commented Jan 10, 2026 •
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I'm fine if we don't merge it @kylewlacy, since the binary size increases a little bit. Just let me know. It was to test the new stabilised option on nightly.

Edit: Well, when this feature will be stabilised, we'll update the Rust toolchain at some point. So, if the binary size is increased, we have to accept it.
I think we can merge it, and let's see what will happen until the next time we want to update brioche-runtime-utils in brioche-packages.

This was referenced Jan 10, 2026
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@jaudiger jaudiger marked this pull request as ready for review January 10, 2026 21:38
kylewlacy
kylewlacy approved these changes Jan 11, 2026
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LGTM

It's not great that the binary size increased, but it was a small change, and realistically that's just something we're going to need to deal with to stay on top of new versions. Thanks for taking the time to compare all the different binary sizes!

@kylewlacy kylewlacy merged commit 705f0f3 into main Jan 11, 2026
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@kylewlacy kylewlacy deleted the update-rust-nightly branch January 11, 2026 00:44
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