Update MSRV to v1.92.0 by renovate[bot] · Pull Request #1806 · j178/prek

renovate · 2026-03-16T02:02:31Z

This PR contains the following updates:

Package	Update	Change	Pending
msrv	minor	`1.91` → `1.92.0`	`1.94.0` (+2)

Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

Release Notes

rust-lang/rust (msrv)

`v1.92.0`

Compare Source

==========================

Language

Document MaybeUninit representation and validity
Allow &raw [mut | const] for union field in safe code
Prefer item bounds of associated types over where-bounds for auto-traits and Sized
Do not materialize X in [X; 0] when X is unsizing a const
Support combining #[track_caller] and #[no_mangle] (requires every declaration specifying #[track_caller] as well)
Make never type lints never_type_fallback_flowing_into_unsafe and dependency_on_unit_never_type_fallback deny-by-default
Allow specifying multiple bounds for same associated item, except in trait objects
Slightly strengthen higher-ranked region handling in coherence
The unused_must_use lint no longer warns on Result<(), Uninhabited> (for instance, Result<(), !>), or ControlFlow<Uninhabited, ()>. This avoids having to check for an error that can never happen.

Compiler

Make mips64el-unknown-linux-muslabi64 link dynamically
Remove current code for embedding command-line args in PDB
Command-line information is typically not needed by debugging tools, and the removed code
was causing problems for incremental builds even on targets that don't use PDB debuginfo.

Libraries

Specialize Iterator::eq{_by} for TrustedLen iterators
Simplify Extend for tuples
Added details to Debug for EncodeWide.
iter::Repeat::last and count will now panic, rather than looping infinitely.

Stabilized APIs

These previously stable APIs are now stable in const contexts:

Cargo

Added a new chapter to the Cargo book, "Optimizing Build Performance".

Rustdoc

If a trait item appears in rustdoc search, hide the corresponding impl items. Previously a search for "last" would show both Iterator::last as well as impl methods like std::vec::IntoIter::last. Now these impl methods will be hidden, freeing up space for inherent methods like BTreeSet::last.
Relax rules for identifiers in search. Previously you could only search for identifiers that were valid in rust code, now searches only need to be valid as part of an identifier. For example, you can now perform a search that starts with a digit.

Compatibility Notes

Fix backtraces with -C panic=abort on Linux by generating unwind tables by default. Build with -C force-unwind-tables=no to keep omitting unwind tables.

As part of the larger effort refactoring compiler built-in attributes and their diagnostics, the future-compatibility lint invalid_macro_export_arguments is upgraded to deny-by-default and will be reported in dependencies too.
Update the minimum external LLVM to 20
Prevent downstream impl DerefMut for Pin<LocalType>
Don't apply temporary lifetime extension rules to the arguments of non-extended pin! and formatting macros

Configuration

📅 Schedule: Branch creation - Between 01:00 AM and 03:59 AM, only on Monday ( * 1-3 * * 1 ) (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

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This PR was generated by Mend Renovate. View the repository job log.

codecov · 2026-03-16T02:38:56Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.72%. Comparing base (804eff2) to head (9b659c8).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1806      +/-   ##
==========================================
+ Coverage   91.55%   91.72%   +0.16%     
==========================================
  Files          98       98              
  Lines       20039    20039              
==========================================
+ Hits        18346    18380      +34     
+ Misses       1693     1659      -34

☔ View full report in Codecov by Sentry.
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prek-ci-bot · 2026-03-16T03:02:06Z

📦 Cargo Bloat Comparison

Binary size change: +0.00% (24.8 MiB → 24.8 MiB)

Expand for cargo-bloat output

Head Branch Results

 File  .text     Size             Crate Name
 1.3%   2.7% 332.0KiB        aws_lc_sys aws_lc_0_38_0_aes_gcm_encrypt_avx512
 1.3%   2.7% 332.0KiB        aws_lc_sys aws_lc_0_38_0_aes_gcm_decrypt_avx512
 0.3%   0.7%  81.7KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.3%   0.6%  77.6KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  69.8KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.2%   0.4%  51.0KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.4%  50.6KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.4%  46.1KiB              prek prek::run::{{closure}}
 0.2%   0.3%  41.8KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.3%  32.0KiB             prek? <prek::cli::RunArgs as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_38_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.8KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_38_0_edwards25519_scalarmuldouble
 0.1%   0.2%  25.8KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  25.3KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::Config>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2%  23.2KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2%  22.4KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
 0.1%   0.2%  22.0KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  21.6KiB              prek prek::workspace::Project::init_hooks::{{closure}}
41.1%  85.9%  10.2MiB                   And 23326 smaller methods. Use -n N to show more.
47.8% 100.0%  11.9MiB                   .text section size, the file size is 24.8MiB

Base Branch Results

 File  .text     Size             Crate Name
 1.3%   2.7% 332.0KiB        aws_lc_sys aws_lc_0_38_0_aes_gcm_encrypt_avx512
 1.3%   2.7% 332.0KiB        aws_lc_sys aws_lc_0_38_0_aes_gcm_decrypt_avx512
 0.3%   0.7%  81.7KiB             prek? <prek::cli::Command as clap_builder::derive::Subcommand>::augment_subcommands
 0.3%   0.6%  77.6KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.3%   0.6%  69.8KiB              prek prek::languages::<impl prek::config::Language>::run::{{closure}}::{{closure}}
 0.2%   0.4%  51.0KiB annotate_snippets annotate_snippets::renderer::render::render
 0.2%   0.4%  50.6KiB              prek prek::languages::<impl prek::config::Language>::install::{{closure}}
 0.2%   0.4%  46.1KiB              prek prek::run::{{closure}}
 0.2%   0.3%  41.8KiB              prek prek::cli::run::run::run::{{closure}}
 0.1%   0.3%  32.0KiB             prek? <prek::cli::RunArgs as clap_builder::derive::Args>::augment_args
 0.1%   0.2%  28.0KiB        aws_lc_sys aws_lc_0_38_0_edwards25519_scalarmuldouble_alt
 0.1%   0.2%  27.8KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  27.5KiB        aws_lc_sys aws_lc_0_38_0_edwards25519_scalarmuldouble
 0.1%   0.2%  25.8KiB              prek prek::cli::try_repo::try_repo::{{closure}}
 0.1%   0.2%  25.3KiB             prek? <prek::config::_::<impl serde_core::de::Deserialize for prek::config::Config>::deserialize::__Visitor as serde_core::de::Visitor>::visit_map
 0.1%   0.2%  23.2KiB              prek prek::hooks::meta_hooks::MetaHooks::run::{{closure}}
 0.1%   0.2%  22.4KiB      serde_saphyr saphyr_parser_bw::scanner::Scanner<T>::fetch_more_tokens
 0.1%   0.2%  22.3KiB         [Unknown] Lp384_montjscalarmul_alt_p384_montjadd
 0.1%   0.2%  22.0KiB               std core::ptr::drop_in_place<prek::languages::<impl prek::config::Language>::install::{{closure}}>
 0.1%   0.2%  21.6KiB              prek prek::workspace::Project::init_hooks::{{closure}}
41.1%  85.9%  10.2MiB                   And 23326 smaller methods. Use -n N to show more.
47.8% 100.0%  11.9MiB                   .text section size, the file size is 24.8MiB

prek-ci-bot · 2026-03-16T03:02:06Z

⚡️ Hyperfine Benchmarks

Summary: 0 regressions, 0 improvements above the 10% threshold.

Environment

OS: Linux 6.14.0-1017-azure
CPU: 4 cores
prek version: prek 0.3.5+27 (9c3ff15 2026-03-16)
Rust version: rustc 1.94.0 (4a4ef493e 2026-03-02)
Hyperfine version: hyperfine 1.20.0

CLI Commands

Benchmarking basic commands in the main repo:

`prek --version`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base --version`	2.3 ± 0.1	2.2	3.1	1.00
`prek-head --version`	2.4 ± 0.1	2.3	2.7	1.05 ± 0.06

`prek list`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base list`	9.0 ± 0.2	8.7	9.5	1.01 ± 0.04
`prek-head list`	8.9 ± 0.3	8.6	11.5	1.00

`prek validate-config .pre-commit-config.yaml`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base validate-config .pre-commit-config.yaml`	3.0 ± 0.0	3.0	3.2	1.00
`prek-head validate-config .pre-commit-config.yaml`	3.1 ± 0.2	3.0	4.2	1.02 ± 0.06

`prek sample-config`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base sample-config`	2.6 ± 0.0	2.5	2.8	1.00 ± 0.03
`prek-head sample-config`	2.6 ± 0.1	2.5	2.9	1.00

Cold vs Warm Runs

Comparing first run (cold) vs subsequent runs (warm cache):

`prek run --all-files (cold - no cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	155.2 ± 1.4	153.6	157.8	1.00
`prek-head run --all-files`	155.5 ± 2.2	152.1	160.1	1.00 ± 0.02

`prek run --all-files (warm - with cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	155.1 ± 2.7	151.2	161.1	1.00 ± 0.03
`prek-head run --all-files`	154.9 ± 3.0	150.1	160.8	1.00

Full Hook Suite

Running the builtin hook suite on the benchmark workspace:

`prek run --all-files (full builtin hook suite)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --all-files`	155.8 ± 2.6	151.8	163.1	1.00
`prek-head run --all-files`	156.0 ± 3.6	150.4	172.6	1.00 ± 0.03

Individual Hook Performance

Benchmarking each hook individually on the test repo:

`prek run trailing-whitespace --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run trailing-whitespace --all-files`	21.6 ± 0.5	20.7	22.7	1.00
`prek-head run trailing-whitespace --all-files`	21.7 ± 0.5	20.8	22.8	1.00 ± 0.03

`prek run end-of-file-fixer --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run end-of-file-fixer --all-files`	29.1 ± 2.3	25.3	33.3	1.04 ± 0.11
`prek-head run end-of-file-fixer --all-files`	27.9 ± 1.9	25.5	31.1	1.00

`prek run check-json --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-json --all-files`	12.9 ± 0.2	12.6	13.4	1.02 ± 0.04
`prek-head run check-json --all-files`	12.6 ± 0.4	11.8	13.5	1.00

`prek run check-yaml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-yaml --all-files`	11.9 ± 0.2	11.6	12.5	1.01 ± 0.03
`prek-head run check-yaml --all-files`	11.8 ± 0.2	11.4	12.4	1.00

`prek run check-toml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-toml --all-files`	12.3 ± 0.4	11.6	13.1	1.01 ± 0.04
`prek-head run check-toml --all-files`	12.1 ± 0.3	11.6	12.9	1.00

`prek run check-xml --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-xml --all-files`	12.3 ± 0.4	11.7	13.1	1.00 ± 0.04
`prek-head run check-xml --all-files`	12.2 ± 0.3	11.6	12.9	1.00

`prek run detect-private-key --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run detect-private-key --all-files`	19.2 ± 1.4	16.4	22.8	1.01 ± 0.10
`prek-head run detect-private-key --all-files`	19.0 ± 1.3	17.0	21.6	1.00

`prek run fix-byte-order-marker --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run fix-byte-order-marker --all-files`	24.1 ± 1.1	21.1	25.7	1.00
`prek-head run fix-byte-order-marker --all-files`	24.9 ± 1.6	21.5	28.6	1.03 ± 0.08

Installation Performance

Benchmarking hook installation (fast path hooks skip Python setup):

`prek install-hooks (cold - no cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base install-hooks`	5.0 ± 0.2	4.8	5.4	1.04 ± 0.05
`prek-head install-hooks`	4.8 ± 0.0	4.7	4.8	1.00

`prek install-hooks (warm - with cache)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base install-hooks`	4.8 ± 0.1	4.7	4.9	1.00
`prek-head install-hooks`	4.8 ± 0.1	4.7	4.9	1.01 ± 0.02

File Filtering/Scoping Performance

Testing different file selection modes:

`prek run (staged files only)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run`	53.6 ± 1.9	51.3	58.4	1.01 ± 0.04
`prek-head run`	53.3 ± 0.9	52.0	54.8	1.00

`prek run --files '*.json' (specific file type)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --files '*.json'`	9.1 ± 0.1	8.9	9.4	1.00 ± 0.02
`prek-head run --files '*.json'`	9.1 ± 0.1	8.9	9.3	1.00

Workspace Discovery & Initialization

Benchmarking hook discovery and initialization overhead:

`prek run --dry-run --all-files (measures init overhead)`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run --dry-run --all-files`	13.9 ± 0.1	13.7	14.1	1.00
`prek-head run --dry-run --all-files`	14.8 ± 1.7	13.7	19.9	1.07 ± 0.13

Meta Hooks Performance

Benchmarking meta hooks separately:

`prek run check-hooks-apply --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-hooks-apply --all-files`	14.3 ± 0.3	13.9	15.3	1.02 ± 0.05
`prek-head run check-hooks-apply --all-files`	14.1 ± 0.6	12.3	14.9	1.00

`prek run check-useless-excludes --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run check-useless-excludes --all-files`	12.5 ± 0.1	12.3	12.7	1.00 ± 0.01
`prek-head run check-useless-excludes --all-files`	12.4 ± 0.1	12.3	12.7	1.00

`prek run identity --all-files`

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
`prek-base run identity --all-files`	11.0 ± 0.1	10.8	11.4	1.01 ± 0.02
`prek-head run identity --all-files`	10.9 ± 0.1	10.8	11.2	1.00

renovate Bot added the internal Internal changes label Mar 16, 2026

renovate Bot requested a review from j178 as a code owner March 16, 2026 02:02

renovate Bot added the internal Internal changes label Mar 16, 2026

Update MSRV to v1.92.0

9b659c8

renovate Bot force-pushed the renovate/msrv branch from 323c73d to 9b659c8 Compare March 16, 2026 04:01

renovate Bot changed the title ~~Update MSRV to v1.94.0~~ Update MSRV to v1.92.0 Mar 16, 2026

j178 merged commit d1f84d5 into master Mar 16, 2026
52 checks passed

j178 deleted the renovate/msrv branch March 16, 2026 04:09

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Release Notes

v1.92.0

Language

Compiler

Libraries

Stabilized APIs

Cargo

Rustdoc

Compatibility Notes

Configuration

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Codecov Report

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prek-ci-bot Bot commented Mar 16, 2026

📦 Cargo Bloat Comparison

Head Branch Results

Base Branch Results

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prek-ci-bot Bot commented Mar 16, 2026

⚡️ Hyperfine Benchmarks

prek --version

prek list

prek validate-config .pre-commit-config.yaml

prek sample-config

prek run --all-files (cold - no cache)

prek run --all-files (warm - with cache)

prek run --all-files (full builtin hook suite)

prek run trailing-whitespace --all-files

prek run end-of-file-fixer --all-files

prek run check-json --all-files

prek run check-yaml --all-files

prek run check-toml --all-files

prek run check-xml --all-files

prek run detect-private-key --all-files

prek run fix-byte-order-marker --all-files

prek install-hooks (cold - no cache)

prek install-hooks (warm - with cache)

prek run (staged files only)

prek run --files '*.json' (specific file type)

prek run --dry-run --all-files (measures init overhead)

prek run check-hooks-apply --all-files

prek run check-useless-excludes --all-files

prek run identity --all-files

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renovate Bot commented Mar 16, 2026 •

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`v1.92.0`

codecov Bot commented Mar 16, 2026 •

edited

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`prek --version`

`prek list`

`prek validate-config .pre-commit-config.yaml`

`prek sample-config`

`prek run --all-files (cold - no cache)`

`prek run --all-files (warm - with cache)`

`prek run --all-files (full builtin hook suite)`

`prek run trailing-whitespace --all-files`

`prek run end-of-file-fixer --all-files`

`prek run check-json --all-files`

`prek run check-yaml --all-files`

`prek run check-toml --all-files`

`prek run check-xml --all-files`

`prek run detect-private-key --all-files`

`prek run fix-byte-order-marker --all-files`

`prek install-hooks (cold - no cache)`

`prek install-hooks (warm - with cache)`

`prek run (staged files only)`

`prek run --files '*.json' (specific file type)`

`prek run --dry-run --all-files (measures init overhead)`

`prek run check-hooks-apply --all-files`

`prek run check-useless-excludes --all-files`

`prek run identity --all-files`