Aug 02 09:27:29.486 INFO checking gauss-0.5.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 09:27:29.487 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:27:29.487 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:27:29.487 INFO running `"docker" "create" "-v" "/tmp/crater.JuvUFwFxZO07:/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 02 09:27:29.703 INFO blam! 56cbcdc329b7d1c7ddf9e60b39215619c64b31ffeacaac7d2dfa0d14f529c8bf
Aug 02 09:27:29.705 INFO running `"docker" "start" "-a" "56cbcdc329b7d1c7ddf9e60b39215619c64b31ffeacaac7d2dfa0d14f529c8bf"`
Aug 02 09:27:30.947 INFO kablam!     Checking rc v0.1.1
Aug 02 09:27:30.951 INFO kablam!     Checking cssparser v0.6.0
Aug 02 09:27:30.965 INFO kablam!     Checking irc v0.11.8
Aug 02 09:27:30.973 INFO kablam!     Checking rustfm v0.1.2
Aug 02 09:27:36.981 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:27:36.981 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustfm-0.1.2/src/lib.rs:1:1
Aug 02 09:27:36.981 INFO kablam!   |
Aug 02 09:27:36.981 INFO kablam! 1 | #![feature(custom_derive, plugin)]
Aug 02 09:27:36.981 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:27:36.981 INFO kablam! 
Aug 02 09:27:36.981 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:27:36.981 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/rustfm-0.1.2/src/lib.rs:2:1
Aug 02 09:27:36.981 INFO kablam!   |
Aug 02 09:27:36.981 INFO kablam! 2 | #![feature(proc_macro)]
Aug 02 09:27:36.981 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:27:36.981 INFO kablam! 
Aug 02 09:27:36.983 INFO kablam! error: aborting due to 2 previous errors
Aug 02 09:27:36.989 INFO kablam! 
Aug 02 09:27:36.989 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:27:37.061 INFO kablam! error: Could not compile `rustfm`.
Aug 02 09:27:37.061 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:27:39.612 INFO kablam! error: build failed
Aug 02 09:27:39.614 INFO kablam! su: No module specific data is present
Aug 02 09:27:40.315 INFO running `"docker" "rm" "-f" "56cbcdc329b7d1c7ddf9e60b39215619c64b31ffeacaac7d2dfa0d14f529c8bf"`
Aug 02 09:27:40.541 INFO blam! 56cbcdc329b7d1c7ddf9e60b39215619c64b31ffeacaac7d2dfa0d14f529c8bf