Aug 01 23:15:05.720 INFO checking rusty_alfred-0.1.1 against 1.27.2 for lazy_static-1
Aug 01 23:15:05.720 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:15:05.720 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:15:05.720 INFO running `"docker" "create" "-v" "/tmp/crater.hJLLidjixDcg:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 23:15:05.983 INFO blam! 979d7c84c72d6f0504181e7a5e052bc94faf04330d89478a4d68a19a1b7b24f9
Aug 01 23:15:05.985 INFO running `"docker" "start" "-a" "979d7c84c72d6f0504181e7a5e052bc94faf04330d89478a4d68a19a1b7b24f9"`
Aug 01 23:15:07.327 INFO kablam!     Checking rusty_alfred v0.1.1 (file:///source)
Aug 01 23:15:08.400 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:15:08.400 INFO kablam!   --> src/lib.rs:21:1
Aug 01 23:15:08.400 INFO kablam!    |
Aug 01 23:15:08.400 INFO kablam! 21 | #![feature(proc_macro)]
Aug 01 23:15:08.400 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:15:08.401 INFO kablam! 
Aug 01 23:15:08.408 INFO kablam! error: aborting due to previous error
Aug 01 23:15:08.408 INFO kablam! 
Aug 01 23:15:08.408 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:15:08.416 INFO kablam! error: Could not compile `rusty_alfred`.
Aug 01 23:15:08.416 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:15:08.521 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:15:08.521 INFO kablam!   --> src/lib.rs:21:1
Aug 01 23:15:08.521 INFO kablam!    |
Aug 01 23:15:08.521 INFO kablam! 21 | #![feature(proc_macro)]
Aug 01 23:15:08.521 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:15:08.521 INFO kablam! 
Aug 01 23:15:08.528 INFO kablam! error: aborting due to previous error
Aug 01 23:15:08.528 INFO kablam! 
Aug 01 23:15:08.528 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:15:08.540 INFO kablam! error: Could not compile `rusty_alfred`.
Aug 01 23:15:08.540 INFO kablam! 
Aug 01 23:15:08.540 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 23:15:08.542 INFO kablam! su: No module specific data is present
Aug 01 23:15:09.154 INFO running `"docker" "rm" "-f" "979d7c84c72d6f0504181e7a5e052bc94faf04330d89478a4d68a19a1b7b24f9"`
Aug 01 23:15:09.320 INFO blam! 979d7c84c72d6f0504181e7a5e052bc94faf04330d89478a4d68a19a1b7b24f9