Aug 02 05:36:47.795 INFO checking libefi-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 05:36:47.795 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:36:47.795 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:36:47.795 INFO running `"docker" "create" "-v" "/tmp/crater.tgbIgPfwIVeK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 05:36:48.037 INFO blam! 3146438c66406c6b184f54175b3836ab139b9f2ebc1fd5072e9aae77dc4cae7f
Aug 02 05:36:48.037 INFO running `"docker" "start" "-a" "3146438c66406c6b184f54175b3836ab139b9f2ebc1fd5072e9aae77dc4cae7f"`
Aug 02 05:36:49.081 INFO kablam!     Checking libefi v0.1.0 (file:///source)
Aug 02 05:36:49.286 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:36:49.286 INFO kablam!  --> src/lib.rs:4:1
Aug 02 05:36:49.286 INFO kablam!   |
Aug 02 05:36:49.286 INFO kablam! 4 | #![feature(try_trait)]
Aug 02 05:36:49.286 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:36:49.286 INFO kablam! 
Aug 02 05:36:49.291 INFO kablam! error: aborting due to previous error
Aug 02 05:36:49.291 INFO kablam! 
Aug 02 05:36:49.291 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:36:49.297 INFO kablam! error: Could not compile `libefi`.
Aug 02 05:36:49.297 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:36:49.523 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:36:49.524 INFO kablam!  --> src/lib.rs:4:1
Aug 02 05:36:49.524 INFO kablam!   |
Aug 02 05:36:49.524 INFO kablam! 4 | #![feature(try_trait)]
Aug 02 05:36:49.524 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:36:49.524 INFO kablam! 
Aug 02 05:36:49.528 INFO kablam! error: aborting due to previous error
Aug 02 05:36:49.528 INFO kablam! 
Aug 02 05:36:49.528 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:36:49.534 INFO kablam! error: Could not compile `libefi`.
Aug 02 05:36:49.534 INFO kablam! 
Aug 02 05:36:49.534 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 05:36:49.535 INFO kablam! su: No module specific data is present
Aug 02 05:36:50.138 INFO running `"docker" "rm" "-f" "3146438c66406c6b184f54175b3836ab139b9f2ebc1fd5072e9aae77dc4cae7f"`
Aug 02 05:36:50.310 INFO blam! 3146438c66406c6b184f54175b3836ab139b9f2ebc1fd5072e9aae77dc4cae7f