The cause appears to be the new build directory layout introduced by https://github.com/rust-lang/cargo/pull/17258. [general > libc CI red after the 07/30 nightly cargo layout change @ 💬](https://rust-lang.zulipchat.com/#narrow/channel/122651-general/topic/libc.20CI.20red.20after.20the.2007.2F30.20nightly.20cargo.20layout.20change/near/613934956) cc: @weihanglo
The cause appears to be the new build directory layout introduced by rust-lang/cargo#17258.
general > libc CI red after the 07/30 nightly cargo layout change @ 💬
cc: @weihanglo