Aug 02 10:37:51.355 INFO checking eudex-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 10:37:51.355 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:37:51.355 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:37:51.355 INFO running `"docker" "create" "-v" "/tmp/crater.0o85Mq8aRDZj:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 10:37:51.579 INFO blam! 1dbb9883a462a83c6aeb6fdf2874f135b83df3426064dee2c5012abcfbe6c82e
Aug 02 10:37:51.582 INFO running `"docker" "start" "-a" "1dbb9883a462a83c6aeb6fdf2874f135b83df3426064dee2c5012abcfbe6c82e"`
Aug 02 10:37:52.744 INFO kablam!     Checking eudex v0.1.1 (file:///source)
Aug 02 10:37:53.310 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:37:53.310 INFO kablam!  --> src/lib.rs:6:19
Aug 02 10:37:53.310 INFO kablam!   |
Aug 02 10:37:53.310 INFO kablam! 6 | #![cfg_attr(test, feature(test))]
Aug 02 10:37:53.310 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 10:37:53.311 INFO kablam! 
Aug 02 10:37:53.318 INFO kablam! error: aborting due to previous error
Aug 02 10:37:53.318 INFO kablam! 
Aug 02 10:37:53.318 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:37:53.320 INFO kablam! error: Could not compile `eudex`.
Aug 02 10:37:53.321 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:37:53.489 INFO kablam! error: build failed
Aug 02 10:37:53.490 INFO kablam! su: No module specific data is present
Aug 02 10:37:54.162 INFO running `"docker" "rm" "-f" "1dbb9883a462a83c6aeb6fdf2874f135b83df3426064dee2c5012abcfbe6c82e"`
Aug 02 10:37:54.290 INFO blam! 1dbb9883a462a83c6aeb6fdf2874f135b83df3426064dee2c5012abcfbe6c82e