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locally this seems to save a quarter of a second per build of bootstrap, presumably mainly because it avoids writing 280MB to disk. unsure if this is worth two extra lines of python, i'll let t-bootstrap decide.

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) labels Sep 14, 2025
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rustbot commented Sep 14, 2025

r? @Kobzol

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Kobzol commented Sep 15, 2025

In the grand scheme of things, this won't really have an effect on CI duration, but why not.

@bors r+ rollup

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bors commented Sep 15, 2025

📌 Commit b92ad97 has been approved by Kobzol

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 15, 2025
Zalathar added a commit to Zalathar/rust that referenced this pull request Sep 15, 2025
…mental, r=Kobzol

bootstrap.py: disable incremental build for bootstrap in CI

locally this seems to save a quarter of a second per build of bootstrap, presumably mainly because it avoids writing 280MB to disk.  unsure if this is worth two extra lines of python, i'll let t-bootstrap decide.
bors added a commit that referenced this pull request Sep 15, 2025
Rollup of 8 pull requests

Successful merges:

 - #146402 (interpret: fix overlapping aggregate initialization)
 - #146530 (rustc_codegen_llvm: Adjust RISC-V inline assembly's clobber list)
 - #146533 (Note some previous attempts to change the Default impl for `[T; 0]`)
 - #146539 (fix 404 MCP link)
 - #146546 (Switch `std::vec::PeekMut::pop` from self to this parameter.)
 - #146549 (On FreeBSD, use readdir instead of readdir_r)
 - #146559 (Fix typo in error message)
 - #146563 (bootstrap.py: disable incremental build for bootstrap in CI)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit that referenced this pull request Sep 15, 2025
Rollup of 8 pull requests

Successful merges:

 - #146402 (interpret: fix overlapping aggregate initialization)
 - #146530 (rustc_codegen_llvm: Adjust RISC-V inline assembly's clobber list)
 - #146533 (Note some previous attempts to change the Default impl for `[T; 0]`)
 - #146539 (fix 404 MCP link)
 - #146546 (Switch `std::vec::PeekMut::pop` from self to this parameter.)
 - #146549 (On FreeBSD, use readdir instead of readdir_r)
 - #146559 (Fix typo in error message)
 - #146563 (bootstrap.py: disable incremental build for bootstrap in CI)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit that referenced this pull request Sep 15, 2025
Rollup of 8 pull requests

Successful merges:

 - #146402 (interpret: fix overlapping aggregate initialization)
 - #146530 (rustc_codegen_llvm: Adjust RISC-V inline assembly's clobber list)
 - #146533 (Note some previous attempts to change the Default impl for `[T; 0]`)
 - #146539 (fix 404 MCP link)
 - #146546 (Switch `std::vec::PeekMut::pop` from self to this parameter.)
 - #146549 (On FreeBSD, use readdir instead of readdir_r)
 - #146559 (Fix typo in error message)
 - #146563 (bootstrap.py: disable incremental build for bootstrap in CI)

r? `@ghost`
`@rustbot` modify labels: rollup
Zalathar added a commit to Zalathar/rust that referenced this pull request Sep 15, 2025
…mental, r=Kobzol

bootstrap.py: disable incremental build for bootstrap in CI

locally this seems to save a quarter of a second per build of bootstrap, presumably mainly because it avoids writing 280MB to disk.  unsure if this is worth two extra lines of python, i'll let t-bootstrap decide.
bors added a commit that referenced this pull request Sep 15, 2025
Rollup of 12 pull requests

Successful merges:

 - #146338 (Extends AArch64 branch protection support to include GCS)
 - #146344 (tests/codegen-llvm: Make rust-abi-arch-specific-adjustment portable)
 - #146402 (interpret: fix overlapping aggregate initialization)
 - #146405 (Add relnotes for 1.90.0)
 - #146530 (rustc_codegen_llvm: Adjust RISC-V inline assembly's clobber list)
 - #146533 (Note some previous attempts to change the Default impl for `[T; 0]`)
 - #146539 (fix 404 MCP link)
 - #146546 (Switch `std::vec::PeekMut::pop` from self to this parameter.)
 - #146549 (On FreeBSD, use readdir instead of readdir_r)
 - #146559 (Fix typo in error message)
 - #146563 (bootstrap.py: disable incremental build for bootstrap in CI)
 - #146576 (opt-dist: don't set `RUST_LOG=collector=debug`)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit that referenced this pull request Sep 15, 2025
Rollup of 9 pull requests

Successful merges:

 - #146344 (tests/codegen-llvm: Make rust-abi-arch-specific-adjustment portable)
 - #146530 (rustc_codegen_llvm: Adjust RISC-V inline assembly's clobber list)
 - #146533 (Note some previous attempts to change the Default impl for `[T; 0]`)
 - #146539 (fix 404 MCP link)
 - #146546 (Switch `std::vec::PeekMut::pop` from self to this parameter.)
 - #146549 (On FreeBSD, use readdir instead of readdir_r)
 - #146559 (Fix typo in error message)
 - #146563 (bootstrap.py: disable incremental build for bootstrap in CI)
 - #146576 (opt-dist: don't set `RUST_LOG=collector=debug`)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit cb9f476 into rust-lang:master Sep 16, 2025
10 checks passed
@rustbot rustbot added this to the 1.92.0 milestone Sep 16, 2025
rust-timer added a commit that referenced this pull request Sep 16, 2025
Rollup merge of #146563 - lolbinarycat:bootstrap-ci-no-incremental, r=Kobzol

bootstrap.py: disable incremental build for bootstrap in CI

locally this seems to save a quarter of a second per build of bootstrap, presumably mainly because it avoids writing 280MB to disk.  unsure if this is worth two extra lines of python, i'll let t-bootstrap decide.
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4 participants