Aug 02 09:57:56.966 INFO checking flx-0.2.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 09:57:56.966 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:57:56.966 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:57:56.966 INFO running `"docker" "create" "-v" "/tmp/crater.yOYzxJhBjwfJ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2+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 09:57:57.367 INFO blam! 55d5ec3e0e760f2bae8a8f5bb5d3a5cc3f46b3cdea9c5f558b873180e817f1b1
Aug 02 09:57:57.374 INFO running `"docker" "start" "-a" "55d5ec3e0e760f2bae8a8f5bb5d3a5cc3f46b3cdea9c5f558b873180e817f1b1"`
Aug 02 09:58:01.605 INFO kablam!     Checking flx v0.2.2 (file:///source)
Aug 02 09:58:01.953 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:58:01.953 INFO kablam!  --> src/lib.rs:7:19
Aug 02 09:58:01.953 INFO kablam!   |
Aug 02 09:58:01.953 INFO kablam! 7 | #![cfg_attr(test, feature(test))]
Aug 02 09:58:01.953 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 09:58:01.953 INFO kablam! 
Aug 02 09:58:01.953 INFO kablam! error: aborting due to previous error
Aug 02 09:58:01.953 INFO kablam! 
Aug 02 09:58:01.953 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:58:01.959 INFO kablam! error: Could not compile `flx`.
Aug 02 09:58:01.959 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:58:02.111 INFO kablam! error: build failed
Aug 02 09:58:02.112 INFO kablam! su: No module specific data is present
Aug 02 09:58:04.184 INFO running `"docker" "rm" "-f" "55d5ec3e0e760f2bae8a8f5bb5d3a5cc3f46b3cdea9c5f558b873180e817f1b1"`
Aug 02 09:58:04.320 INFO blam! 55d5ec3e0e760f2bae8a8f5bb5d3a5cc3f46b3cdea9c5f558b873180e817f1b1