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cargo-platform does not make use of serde derive macros, thus it can depend on serde_core instead of serde to speed up users' compile times.

See the documentation of serde_core for more details.

@rustbot rustbot added A-cfg-expr Area: Platform cfg expressions S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Sep 21, 2025
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rustbot commented Sep 21, 2025

r? @ehuss

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Due to this changing cargo-platform, can you also bump its version?

[dependencies]
serde_core.workspace = true

[target.'cfg(any())'.dependencies]
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What is the reason for this target table?

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It bumps the requirement of serde to the minimum required for serde_core. I don't think this is required, however other serde_core users add this cfg

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Can you please add a comment explaining that? My understanding is that if someone has a lockfile with a version of serde from before serde_core was added, serde will stay on the older version while cargo-platform will use serde_core and thus have the wrong definitions.

`cargo-platform` does not make use of serde derive macros, thus it can
depend on `serde_core` instead of `serde` to speed up users' compile
times.

See the documentation of [`serde_core`](https://docs.rs/serde_core)
for more details.
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Thanks!

@ehuss ehuss added this pull request to the merge queue Sep 29, 2025
Merged via the queue into rust-lang:master with commit a0d9889 Sep 29, 2025
27 checks passed
@rustbot rustbot removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Sep 29, 2025
@DaniPopes DaniPopes deleted the serde_core branch September 29, 2025 16:50
bors added a commit to rust-lang/rust that referenced this pull request Oct 3, 2025
Update cargo submodule

24 commits in f2932725b045d361ff5f18ba02b1409dd1f44e71..2394ea6cea8b26d717aa67eb1663a2dbf2d26078
2025-09-24 11:31:26 +0000 to 2025-10-03 14:13:01 +0000
- Recommend `package.rust-version` in the Rust version section of `reference/semver.md`. (rust-lang/cargo#15806)
- fix(toml): Prevent non-script fields in Cargo scripts (rust-lang/cargo#16026)
- chore(ci): unpin libc (rust-lang/cargo#16044)
- chore: Update dependencies (rust-lang/cargo#16034)
- Fix FileLock path tracking after rename in package operation (rust-lang/cargo#16036)
- Lockfile schemas error cleanup (rust-lang/cargo#16039)
- Convert a multi-part diagnostic to a report (rust-lang/cargo#16035)
- fix(run): Override arg0 for cargo scripts  (rust-lang/cargo#16027)
- Public in private manifest errors (rust-lang/cargo#16002)
- chore(deps): update actions/checkout action to v5 (rust-lang/cargo#16031)
- fix: remove FIXME comment that's no longer a problem (rust-lang/cargo#16025)
- Add retry for `git fetch` failures in `CARGO_NET_GIT_FETCH_WITH_CLI` path (rust-lang/cargo#16016)
- Added better filesystem layout testing harness (rust-lang/cargo#15874)
- Small cleanup to normalize_dependencies (rust-lang/cargo#16022)
- fix: better error message for rust version incompatibility (rust-lang/cargo#16021)
- fix(shell): Use a distinct style for transient status (rust-lang/cargo#16019)
- chore(deps): Depend on `serde_core` in `cargo-platform` (rust-lang/cargo#15992)
- Remove package-workspace from unstable doc index (rust-lang/cargo#16014)
- fix(shell): Switch to annotate snippets for notes (rust-lang/cargo#15945)
- docs: update changelog (rust-lang/cargo#15986)
- chore(ci): add rustfmt for docs job (rust-lang/cargo#16013)
- chore: bump to 0.93.0 (rust-lang/cargo#16009)
- fix(config): combine key error context into one (rust-lang/cargo#16004)
- test(docker): openssh requires a newer libcrypto3 (rust-lang/cargo#16010)

r? ghost
@rustbot rustbot added this to the 1.92.0 milestone Oct 3, 2025
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