Aug 02 03:24:33.859 INFO checking nrf52svd-0.1.0 against 1.27.2+tmplazy for lazy_static-1 Aug 02 03:24:33.860 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 03:24:33.860 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 03:24:33.860 INFO running `"docker" "create" "-v" "/tmp/crater.icqZG8KBb7A5:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+tmplazy:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"` Aug 02 03:24:34.098 INFO blam! c2901a6342212a83ace8ee04a375c7c0284aae861131e2c46ddfdd5a8e2ccdd6 Aug 02 03:24:34.100 INFO running `"docker" "start" "-a" "c2901a6342212a83ace8ee04a375c7c0284aae861131e2c46ddfdd5a8e2ccdd6"` Aug 02 03:24:35.060 INFO kablam! Checking bare-metal v0.1.2 Aug 02 03:24:35.061 INFO kablam! Checking aligned v0.1.2 Aug 02 03:24:35.423 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 03:24:35.423 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35 Aug 02 03:24:35.423 INFO kablam! | Aug 02 03:24:35.423 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))] Aug 02 03:24:35.423 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Aug 02 03:24:35.423 INFO kablam! Aug 02 03:24:35.424 INFO kablam! error: aborting due to previous error Aug 02 03:24:35.424 INFO kablam! Aug 02 03:24:35.424 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 03:24:35.428 INFO kablam! error: Could not compile `bare-metal`. Aug 02 03:24:35.429 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 03:24:35.467 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 03:24:35.467 INFO kablam! --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:35 Aug 02 03:24:35.467 INFO kablam! | Aug 02 03:24:35.467 INFO kablam! 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))] Aug 02 03:24:35.467 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Aug 02 03:24:35.467 INFO kablam! Aug 02 03:24:35.469 INFO kablam! error: aborting due to previous error Aug 02 03:24:35.469 INFO kablam! Aug 02 03:24:35.469 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 03:24:35.475 INFO kablam! error: Could not compile `aligned`. Aug 02 03:24:35.475 INFO kablam! Aug 02 03:24:35.475 INFO kablam! To learn more, run the command again with --verbose. Aug 02 03:24:35.477 INFO kablam! su: No module specific data is present Aug 02 03:24:36.428 INFO running `"docker" "rm" "-f" "c2901a6342212a83ace8ee04a375c7c0284aae861131e2c46ddfdd5a8e2ccdd6"` Aug 02 03:24:36.588 INFO blam! c2901a6342212a83ace8ee04a375c7c0284aae861131e2c46ddfdd5a8e2ccdd6