Aug 01 23:13:58.886 INFO checking rustyhub-0.3.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 23:13:58.886 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:13:58.886 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:13:58.886 INFO running `"docker" "create" "-v" "/tmp/crater.EH6rZyIFaCEn:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 01 23:13:59.170 INFO blam! 252c5ebdc29edd71a6b6d8845b9d4657956cd71ef7b08cfc61262a8a54dcf6b2
Aug 01 23:13:59.173 INFO running `"docker" "start" "-a" "252c5ebdc29edd71a6b6d8845b9d4657956cd71ef7b08cfc61262a8a54dcf6b2"`
Aug 01 23:14:00.542 INFO kablam!    Compiling serde_codegen v0.8.23
Aug 01 23:14:09.822 INFO kablam!    Compiling serde_derive v0.8.23
Aug 01 23:14:13.806 INFO kablam!     Checking rustyhub v0.3.0 (file:///source)
Aug 01 23:14:16.607 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:14:16.607 INFO kablam!   --> src/lib.rs:47:1
Aug 01 23:14:16.607 INFO kablam!    |
Aug 01 23:14:16.607 INFO kablam! 47 | #![feature(proc_macro)]
Aug 01 23:14:16.607 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:14:16.608 INFO kablam! 
Aug 01 23:14:16.643 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 23:14:16.643 INFO kablam!   --> src/lib.rs:47:1
Aug 01 23:14:16.643 INFO kablam!    |
Aug 01 23:14:16.643 INFO kablam! 47 | #![feature(proc_macro)]
Aug 01 23:14:16.643 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 23:14:16.643 INFO kablam! 
Aug 01 23:14:16.644 INFO kablam! error: aborting due to previous error
Aug 01 23:14:16.645 INFO kablam! 
Aug 01 23:14:16.645 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:14:16.658 INFO kablam! error: Could not compile `rustyhub`.
Aug 01 23:14:16.659 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 23:14:16.693 INFO kablam! error: aborting due to previous error
Aug 01 23:14:16.693 INFO kablam! 
Aug 01 23:14:16.693 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 23:14:16.741 INFO kablam! error: Could not compile `rustyhub`.
Aug 01 23:14:16.741 INFO kablam! 
Aug 01 23:14:16.741 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 23:14:16.748 INFO kablam! su: No module specific data is present
Aug 01 23:14:17.345 INFO running `"docker" "rm" "-f" "252c5ebdc29edd71a6b6d8845b9d4657956cd71ef7b08cfc61262a8a54dcf6b2"`
Aug 01 23:14:17.536 INFO blam! 252c5ebdc29edd71a6b6d8845b9d4657956cd71ef7b08cfc61262a8a54dcf6b2