Aug 02 03:29:17.874 INFO checking nom-bibtex-0.2.0 against 1.27.2 for lazy_static-1 Aug 02 03:29:17.874 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 03:29:17.875 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 03:29:17.875 INFO running `"docker" "create" "-v" "/tmp/crater.ZqOmY4UNNY05:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 03:29:18.098 INFO blam! 9d148ac1933ad05808597f504191d4a040ba6e5bc1e4043d12ee2050a4678bc8 Aug 02 03:29:18.100 INFO running `"docker" "start" "-a" "9d148ac1933ad05808597f504191d4a040ba6e5bc1e4043d12ee2050a4678bc8"` Aug 02 03:29:18.926 INFO kablam! Checking nom v3.0.0 Aug 02 03:29:25.161 INFO kablam! Checking nom-bibtex v0.2.0 (file:///source) Aug 02 03:29:32.160 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 03:29:32.160 INFO kablam! --> benches/parser.rs:1:1 Aug 02 03:29:32.160 INFO kablam! | Aug 02 03:29:32.160 INFO kablam! 1 | #![feature(test)] Aug 02 03:29:32.160 INFO kablam! | ^^^^^^^^^^^^^^^^^ Aug 02 03:29:32.160 INFO kablam! Aug 02 03:29:32.160 INFO kablam! error: aborting due to previous error Aug 02 03:29:32.160 INFO kablam! Aug 02 03:29:32.161 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 03:29:32.167 INFO kablam! error: Could not compile `nom-bibtex`. Aug 02 03:29:32.168 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 03:29:32.557 INFO kablam! error: build failed Aug 02 03:29:32.558 INFO kablam! su: No module specific data is present Aug 02 03:29:33.085 INFO running `"docker" "rm" "-f" "9d148ac1933ad05808597f504191d4a040ba6e5bc1e4043d12ee2050a4678bc8"` Aug 02 03:29:33.248 INFO blam! 9d148ac1933ad05808597f504191d4a040ba6e5bc1e4043d12ee2050a4678bc8