Aug 01 16:34:15.781 INFO checking hayatoito/icfp2017 against 1.27.2+tmplazy for lazy_static-1
Aug 01 16:34:15.781 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:34:15.782 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:34:15.782 INFO running `"docker" "create" "-v" "/tmp/crater.2rl7eU60TlLK:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 16:34:15.983 INFO blam! 21f4c1ee810f2432520e58f0a64c9250a2dbae341e0f55073dc04e4bf438986a
Aug 01 16:34:15.986 INFO running `"docker" "start" "-a" "21f4c1ee810f2432520e58f0a64c9250a2dbae341e0f55073dc04e4bf438986a"`
Aug 01 16:34:17.254 INFO kablam!     Checking modifier v0.1.0
Aug 01 16:34:17.261 INFO kablam!     Checking unsafe-any v0.4.2
Aug 01 16:34:17.268 INFO kablam!     Checking conduit-mime-types v0.7.3
Aug 01 16:34:17.272 INFO kablam!     Checking error v0.1.9
Aug 01 16:34:17.274 INFO kablam!     Checking loggerv v0.3.0
Aug 01 16:34:17.274 INFO kablam!     Checking bincode v0.8.0
Aug 01 16:34:17.275 INFO kablam!     Checking chrono v0.2.25
Aug 01 16:34:19.052 INFO kablam!     Checking typemap v0.3.3
Aug 01 16:34:21.049 INFO kablam!     Checking plugin v0.2.6
Aug 01 16:34:21.855 INFO kablam!     Checking iron v0.5.1
Aug 01 16:34:24.447 INFO kablam!     Checking logger v0.3.0
Aug 01 16:34:26.059 INFO kablam!     Checking icfp2017 v0.1.0 (file:///source)
Aug 01 16:34:31.529 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:34:31.529 INFO kablam!  --> src/lib.rs:1:1
Aug 01 16:34:31.529 INFO kablam!   |
Aug 01 16:34:31.529 INFO kablam! 1 | #![feature(custom_attribute)]
Aug 01 16:34:31.529 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:34:31.540 INFO kablam! 
Aug 01 16:34:31.581 INFO kablam! error: aborting due to previous error
Aug 01 16:34:31.588 INFO kablam! 
Aug 01 16:34:31.589 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:34:31.609 INFO kablam! error: Could not compile `icfp2017`.
Aug 01 16:34:31.610 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 16:34:31.754 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:34:31.754 INFO kablam!  --> src/lib.rs:1:1
Aug 01 16:34:31.754 INFO kablam!   |
Aug 01 16:34:31.754 INFO kablam! 1 | #![feature(custom_attribute)]
Aug 01 16:34:31.754 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:34:31.754 INFO kablam! 
Aug 01 16:34:31.778 INFO kablam! error: aborting due to previous error
Aug 01 16:34:31.778 INFO kablam! 
Aug 01 16:34:31.778 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:34:31.804 INFO kablam! error: Could not compile `icfp2017`.
Aug 01 16:34:31.804 INFO kablam! 
Aug 01 16:34:31.804 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 16:34:31.807 INFO kablam! su: No module specific data is present
Aug 01 16:34:32.339 INFO running `"docker" "rm" "-f" "21f4c1ee810f2432520e58f0a64c9250a2dbae341e0f55073dc04e4bf438986a"`
Aug 01 16:34:32.491 INFO blam! 21f4c1ee810f2432520e58f0a64c9250a2dbae341e0f55073dc04e4bf438986a