Aug 02 10:08:03.552 INFO checking fid-0.1.2 against 1.27.2+tmplazy for lazy_static-1 Aug 02 10:08:03.552 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:08:03.552 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 10:08:03.552 INFO running `"docker" "create" "-v" "/tmp/crater.aRlJ3fDxRA7W:/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 10:08:03.734 INFO blam! cdd6edbf9c53605c7bcc8b4462512fde073128f3665dedcfd98d26207e7db164 Aug 02 10:08:03.736 INFO running `"docker" "start" "-a" "cdd6edbf9c53605c7bcc8b4462512fde073128f3665dedcfd98d26207e7db164"` Aug 02 10:08:05.006 INFO kablam! Compiling fid v0.1.2 (file:///source) Aug 02 10:08:08.380 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 10:08:08.380 INFO kablam! --> benches/lib.rs:1:1 Aug 02 10:08:08.380 INFO kablam! | Aug 02 10:08:08.380 INFO kablam! 1 | #![feature(test)] Aug 02 10:08:08.380 INFO kablam! | ^^^^^^^^^^^^^^^^^ Aug 02 10:08:08.380 INFO kablam! Aug 02 10:08:08.381 INFO kablam! error: aborting due to previous error Aug 02 10:08:08.381 INFO kablam! Aug 02 10:08:08.382 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 10:08:08.393 INFO kablam! error: Could not compile `fid`. Aug 02 10:08:08.394 INFO kablam! Aug 02 10:08:08.394 INFO kablam! To learn more, run the command again with --verbose. Aug 02 10:08:08.395 INFO kablam! su: No module specific data is present Aug 02 10:08:09.097 INFO running `"docker" "rm" "-f" "cdd6edbf9c53605c7bcc8b4462512fde073128f3665dedcfd98d26207e7db164"` Aug 02 10:08:09.222 INFO blam! cdd6edbf9c53605c7bcc8b4462512fde073128f3665dedcfd98d26207e7db164