Aug 01 16:34:19.488 INFO checking hayatoito/icfp2017 against 1.27.2 for lazy_static-1
Aug 01 16:34:19.488 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:34:19.488 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 16:34:19.488 INFO running `"docker" "create" "-v" "/tmp/crater.blX32azIMlrd:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 16:34:19.755 INFO blam! e3a734e5cc7c77119792cd050ea4759d4c3e4171da7384bb74018651b6ecb0f8
Aug 01 16:34:19.757 INFO running `"docker" "start" "-a" "e3a734e5cc7c77119792cd050ea4759d4c3e4171da7384bb74018651b6ecb0f8"`
Aug 01 16:34:20.817 INFO kablam!     Checking error v0.1.9
Aug 01 16:34:20.822 INFO kablam!     Checking conduit-mime-types v0.7.3
Aug 01 16:34:20.826 INFO kablam!     Checking loggerv v0.3.0
Aug 01 16:34:20.827 INFO kablam!     Checking bincode v0.8.0
Aug 01 16:34:20.828 INFO kablam!     Checking rayon v0.8.2
Aug 01 16:34:20.829 INFO kablam!     Checking chrono v0.2.25
Aug 01 16:34:23.260 INFO kablam!     Checking iron v0.5.1
Aug 01 16:34:27.551 INFO kablam!     Checking logger v0.3.0
Aug 01 16:34:33.407 INFO kablam!     Checking icfp2017 v0.1.0 (file:///source)
Aug 01 16:34:38.321 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:34:38.321 INFO kablam!  --> src/lib.rs:1:1
Aug 01 16:34:38.321 INFO kablam!   |
Aug 01 16:34:38.321 INFO kablam! 1 | #![feature(custom_attribute)]
Aug 01 16:34:38.321 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:34:38.321 INFO kablam! 
Aug 01 16:34:38.365 INFO kablam! error: aborting due to previous error
Aug 01 16:34:38.365 INFO kablam! 
Aug 01 16:34:38.365 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:34:38.399 INFO kablam! error: Could not compile `icfp2017`.
Aug 01 16:34:38.399 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 16:34:38.531 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 16:34:38.531 INFO kablam!  --> src/lib.rs:1:1
Aug 01 16:34:38.531 INFO kablam!   |
Aug 01 16:34:38.531 INFO kablam! 1 | #![feature(custom_attribute)]
Aug 01 16:34:38.531 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 01 16:34:38.531 INFO kablam! 
Aug 01 16:34:38.555 INFO kablam! error: aborting due to previous error
Aug 01 16:34:38.555 INFO kablam! 
Aug 01 16:34:38.555 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 16:34:38.599 INFO kablam! error: Could not compile `icfp2017`.
Aug 01 16:34:38.599 INFO kablam! 
Aug 01 16:34:38.599 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 16:34:38.601 INFO kablam! su: No module specific data is present
Aug 01 16:34:39.094 INFO running `"docker" "rm" "-f" "e3a734e5cc7c77119792cd050ea4759d4c3e4171da7384bb74018651b6ecb0f8"`
Aug 01 16:34:39.254 INFO blam! e3a734e5cc7c77119792cd050ea4759d4c3e4171da7384bb74018651b6ecb0f8