Aug 01 18:44:32.206 INFO checking whiteout-0.1.0 against 1.27.2 for lazy_static-1
Aug 01 18:44:32.206 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:44:32.206 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 18:44:32.206 INFO running `"docker" "create" "-v" "/tmp/crater.zC8jPVFHhpsH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 18:44:32.446 INFO blam! 641dc971bb17c60f580630ec6d62eff475559adf5190722ae588e2c8ddd062da
Aug 01 18:44:32.452 INFO running `"docker" "start" "-a" "641dc971bb17c60f580630ec6d62eff475559adf5190722ae588e2c8ddd062da"`
Aug 01 18:44:33.494 INFO kablam!     Checking whiteout v0.1.0 (file:///source)
Aug 01 18:44:34.009 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:44:34.009 INFO kablam!   --> src/lib.rs:58:1
Aug 01 18:44:34.009 INFO kablam!    |
Aug 01 18:44:34.009 INFO kablam! 58 | #![feature(conservative_impl_trait)]
Aug 01 18:44:34.009 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:44:34.009 INFO kablam! 
Aug 01 18:44:34.009 INFO kablam! error: aborting due to previous error
Aug 01 18:44:34.009 INFO kablam! 
Aug 01 18:44:34.009 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:44:34.017 INFO kablam! error: Could not compile `whiteout`.
Aug 01 18:44:34.018 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 18:44:34.129 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 18:44:34.129 INFO kablam!   --> src/lib.rs:58:1
Aug 01 18:44:34.129 INFO kablam!    |
Aug 01 18:44:34.129 INFO kablam! 58 | #![feature(conservative_impl_trait)]
Aug 01 18:44:34.129 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 18:44:34.129 INFO kablam! 
Aug 01 18:44:34.129 INFO kablam! error: aborting due to previous error
Aug 01 18:44:34.129 INFO kablam! 
Aug 01 18:44:34.129 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 18:44:34.135 INFO kablam! error: Could not compile `whiteout`.
Aug 01 18:44:34.135 INFO kablam! 
Aug 01 18:44:34.135 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 18:44:34.136 INFO kablam! su: No module specific data is present
Aug 01 18:44:34.808 INFO running `"docker" "rm" "-f" "641dc971bb17c60f580630ec6d62eff475559adf5190722ae588e2c8ddd062da"`
Aug 01 18:44:35.009 INFO blam! 641dc971bb17c60f580630ec6d62eff475559adf5190722ae588e2c8ddd062da