Aug 01 16:30:59.158 INFO checking iKevinY/ghoti.rs against 1.27.2+tmplazy for lazy_static-1 Aug 01 16:30:59.158 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 01 16:30:59.158 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 01 16:30:59.158 INFO running `"docker" "create" "-v" "/tmp/crater.WgJtSU9Jp87z:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 01 16:30:59.454 INFO blam! 945c5a78328c140d51d6f199b7abc7efe6a6a0e5e4394f639222210a9381a016 Aug 01 16:30:59.457 INFO running `"docker" "start" "-a" "945c5a78328c140d51d6f199b7abc7efe6a6a0e5e4394f639222210a9381a016"` Aug 01 16:31:00.503 INFO kablam! Checking regex v0.2.11 Aug 01 16:31:05.580 INFO kablam! Checking ghoti v0.1.0 (file:///source) Aug 01 16:31:07.890 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 01 16:31:07.890 INFO kablam! --> benches/correction.rs:1:1 Aug 01 16:31:07.890 INFO kablam! | Aug 01 16:31:07.890 INFO kablam! 1 | #![feature(test)] Aug 01 16:31:07.890 INFO kablam! | ^^^^^^^^^^^^^^^^^ Aug 01 16:31:07.890 INFO kablam! Aug 01 16:31:07.891 INFO kablam! error: aborting due to previous error Aug 01 16:31:07.891 INFO kablam! Aug 01 16:31:07.891 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 01 16:31:07.917 INFO kablam! error: Could not compile `ghoti`. Aug 01 16:31:07.917 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 01 16:31:08.200 INFO kablam! error: build failed Aug 01 16:31:08.202 INFO kablam! su: No module specific data is present Aug 01 16:31:08.769 INFO running `"docker" "rm" "-f" "945c5a78328c140d51d6f199b7abc7efe6a6a0e5e4394f639222210a9381a016"` Aug 01 16:31:08.929 INFO blam! 945c5a78328c140d51d6f199b7abc7efe6a6a0e5e4394f639222210a9381a016