Aug 02 07:17:58.950 INFO checking hex_literals-0.1.6 against 1.27.2+tmplazy for lazy_static-1
Aug 02 07:17:58.951 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:17:58.951 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 07:17:58.951 INFO running `"docker" "create" "-v" "/tmp/crater.9bOtlSU4txS1:/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 07:17:59.177 INFO blam! d1c1fffdbaba261b083412f832140f0eb4c80fd562c9f047cbb6494237d6ea60
Aug 02 07:17:59.186 INFO running `"docker" "start" "-a" "d1c1fffdbaba261b083412f832140f0eb4c80fd562c9f047cbb6494237d6ea60"`
Aug 02 07:18:00.755 INFO kablam!     Checking hex_literals v0.1.6 (file:///source)
Aug 02 07:18:03.154 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:18:03.155 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:18:03.155 INFO kablam!   |
Aug 02 07:18:03.155 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private, slice_patterns)]
Aug 02 07:18:03.155 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:18:03.155 INFO kablam! 
Aug 02 07:18:03.155 INFO kablam! error: aborting due to previous error
Aug 02 07:18:03.155 INFO kablam! 
Aug 02 07:18:03.155 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:18:03.171 INFO kablam! error: Could not compile `hex_literals`.
Aug 02 07:18:03.171 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 07:18:03.428 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 07:18:03.428 INFO kablam!  --> src/lib.rs:1:1
Aug 02 07:18:03.428 INFO kablam!   |
Aug 02 07:18:03.428 INFO kablam! 1 | #![feature(plugin_registrar, rustc_private, slice_patterns)]
Aug 02 07:18:03.428 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 07:18:03.428 INFO kablam! 
Aug 02 07:18:03.429 INFO kablam! error: aborting due to previous error
Aug 02 07:18:03.429 INFO kablam! 
Aug 02 07:18:03.429 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 07:18:03.444 INFO kablam! error: Could not compile `hex_literals`.
Aug 02 07:18:03.444 INFO kablam! 
Aug 02 07:18:03.444 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 07:18:03.446 INFO kablam! su: No module specific data is present
Aug 02 07:18:04.338 INFO running `"docker" "rm" "-f" "d1c1fffdbaba261b083412f832140f0eb4c80fd562c9f047cbb6494237d6ea60"`
Aug 02 07:18:04.432 INFO blam! d1c1fffdbaba261b083412f832140f0eb4c80fd562c9f047cbb6494237d6ea60