Aug 01 23:31:03.441 INFO checking rust_info-0.1.14 against 1.27.2 for lazy_static-1 Aug 01 23:31:03.441 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 01 23:31:03.441 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 01 23:31:03.441 INFO running `"docker" "create" "-v" "/tmp/crater.iZJAtr4znFwA:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 01 23:31:03.698 INFO blam! b687b3f2c5c7ca4cebcff24e5a7c0725cbb84677aab3317a4c621af1cc4befda Aug 01 23:31:03.701 INFO running `"docker" "start" "-a" "b687b3f2c5c7ca4cebcff24e5a7c0725cbb84677aab3317a4c621af1cc4befda"` Aug 01 23:31:04.645 INFO kablam! Checking rust_info v0.1.14 (file:///source) Aug 01 23:31:06.428 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 01 23:31:06.428 INFO kablam! --> benches/bench_get.rs:1:1 Aug 01 23:31:06.428 INFO kablam! | Aug 01 23:31:06.428 INFO kablam! 1 | #![feature(test)] Aug 01 23:31:06.428 INFO kablam! | ^^^^^^^^^^^^^^^^^ Aug 01 23:31:06.429 INFO kablam! Aug 01 23:31:06.436 INFO kablam! error: aborting due to previous error Aug 01 23:31:06.436 INFO kablam! Aug 01 23:31:06.436 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 01 23:31:06.447 INFO kablam! error: Could not compile `rust_info`. Aug 01 23:31:06.447 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 01 23:31:06.701 INFO kablam! error: build failed Aug 01 23:31:06.703 INFO kablam! su: No module specific data is present Aug 01 23:31:07.402 INFO running `"docker" "rm" "-f" "b687b3f2c5c7ca4cebcff24e5a7c0725cbb84677aab3317a4c621af1cc4befda"` Aug 01 23:31:07.544 INFO blam! b687b3f2c5c7ca4cebcff24e5a7c0725cbb84677aab3317a4c621af1cc4befda