Aug 02 03:58:33.933 INFO checking murmur3-0.4.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:58:33.933 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:58:33.933 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:58:33.933 INFO running `"docker" "create" "-v" "/tmp/crater.2Y4qZamikewl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 03:58:34.192 INFO blam! 070f749dc35f28a681b82961af4ebff78ff1ead091093194f3b98702a239417a
Aug 02 03:58:34.193 INFO running `"docker" "start" "-a" "070f749dc35f28a681b82961af4ebff78ff1ead091093194f3b98702a239417a"`
Aug 02 03:58:35.671 INFO kablam!     Checking murmur3 v0.4.1 (file:///source)
Aug 02 03:58:36.764 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:58:36.764 INFO kablam!  --> benches/bench.rs:2:1
Aug 02 03:58:36.764 INFO kablam!   |
Aug 02 03:58:36.764 INFO kablam! 2 | #![feature(test)]
Aug 02 03:58:36.764 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 03:58:36.765 INFO kablam! 
Aug 02 03:58:36.765 INFO kablam! error: aborting due to previous error
Aug 02 03:58:36.766 INFO kablam! 
Aug 02 03:58:36.766 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:58:36.772 INFO kablam! error: Could not compile `murmur3`.
Aug 02 03:58:36.773 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:58:37.059 INFO kablam! error: build failed
Aug 02 03:58:37.062 INFO kablam! su: No module specific data is present
Aug 02 03:58:38.433 INFO running `"docker" "rm" "-f" "070f749dc35f28a681b82961af4ebff78ff1ead091093194f3b98702a239417a"`
Aug 02 03:58:38.521 INFO blam! 070f749dc35f28a681b82961af4ebff78ff1ead091093194f3b98702a239417a