clippy: disable bogus lints for nightly clippy #3452
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The nightly compiler has several clippy fix-its that, if applied, break the build. There are various bugs about this, but there isn't enough space in the margins to detail it all. Just ignore these on a per-function basis; about 70% of them are just multiple instances happening inside a single function. This makes `cargo clippy --workspace --all-targets` run clean, even with the nightly compiler. Signed-off-by: Austin Seipp <[email protected]> Change-Id: Ic26a025d3c62b12fbf096171308b56e38f7d1bb9
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I'm not sure what's best to do here in general, but now that you wrote this, let's use it! I think the My current solution is to use https://github.com/ericseppanen/cargo-cranky and put # Cranky.toml
allow = [
# "unknown_lints", # Needed on beta channell
"clippy::assigning_clones",
"clippy::manual_unwrap_or_default",
]Another option for Here are some related bugs and a PR. rust-lang/rust-clippy#12610 |
ilyagr
approved these changes
Apr 5, 2024
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I'm experimenting with using nightly inside the Nix build, in order to use the parallel rustc frontend and cranelift, and this really helps avoid bogus/spurious clippy warnings.
I suspect @ilyagr might have opinions on this, since he's tracked a bunch of these regressions along with me.
As an alternative to
#[allow(unknown_lints)]— which I am not a huge fan of — I think we could also wire up abuild.rsthat detects the rustc version and emitscargo:rustc-cfg=nightlywhich would allow us to conditionalize the macro on#[cfg(nightly)]. But maybe this is good enough.