Aug 02 05:24:06.961 INFO checking libmcs-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 05:24:06.961 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:24:06.961 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:24:06.961 INFO running `"docker" "create" "-v" "/tmp/crater.r7W7mK4iSFjQ:/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 05:24:07.171 INFO blam! 2586ceb2286f4c076540f746cba3fe42fd5ee49c02e5e3bba5ffdc3ae0b00f94
Aug 02 05:24:07.173 INFO running `"docker" "start" "-a" "2586ceb2286f4c076540f746cba3fe42fd5ee49c02e5e3bba5ffdc3ae0b00f94"`
Aug 02 05:24:08.096 INFO kablam!     Checking libmcs v0.1.0 (file:///source)
Aug 02 05:24:08.815 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:24:08.815 INFO kablam!   --> src/lib.rs:15:1
Aug 02 05:24:08.815 INFO kablam!    |
Aug 02 05:24:08.815 INFO kablam! 15 | #![feature(optin_builtin_traits)]
Aug 02 05:24:08.815 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:24:08.815 INFO kablam! 
Aug 02 05:24:08.816 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:24:08.816 INFO kablam!   --> src/lib.rs:16:1
Aug 02 05:24:08.816 INFO kablam!    |
Aug 02 05:24:08.816 INFO kablam! 16 | #![feature(const_fn)]
Aug 02 05:24:08.816 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:24:08.816 INFO kablam! 
Aug 02 05:24:08.819 INFO kablam! error: aborting due to 2 previous errors
Aug 02 05:24:08.819 INFO kablam! 
Aug 02 05:24:08.819 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:24:08.828 INFO kablam! error: Could not compile `libmcs`.
Aug 02 05:24:08.829 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:24:09.076 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:24:09.076 INFO kablam!   --> src/lib.rs:15:1
Aug 02 05:24:09.076 INFO kablam!    |
Aug 02 05:24:09.077 INFO kablam! 15 | #![feature(optin_builtin_traits)]
Aug 02 05:24:09.077 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:24:09.077 INFO kablam! 
Aug 02 05:24:09.077 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:24:09.077 INFO kablam!   --> src/lib.rs:16:1
Aug 02 05:24:09.077 INFO kablam!    |
Aug 02 05:24:09.077 INFO kablam! 16 | #![feature(const_fn)]
Aug 02 05:24:09.077 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:24:09.077 INFO kablam! 
Aug 02 05:24:09.078 INFO kablam! error: aborting due to 2 previous errors
Aug 02 05:24:09.078 INFO kablam! 
Aug 02 05:24:09.078 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:24:09.084 INFO kablam! error: Could not compile `libmcs`.
Aug 02 05:24:09.084 INFO kablam! 
Aug 02 05:24:09.084 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 05:24:09.089 INFO kablam! su: No module specific data is present
Aug 02 05:24:09.853 INFO running `"docker" "rm" "-f" "2586ceb2286f4c076540f746cba3fe42fd5ee49c02e5e3bba5ffdc3ae0b00f94"`
Aug 02 05:24:09.981 INFO blam! 2586ceb2286f4c076540f746cba3fe42fd5ee49c02e5e3bba5ffdc3ae0b00f94