Aug 02 11:01:03.220 INFO checking effect-monad-0.3.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:01:03.220 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:01:03.220 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:01:03.220 INFO running `"docker" "create" "-v" "/tmp/crater.lTfEjmvvJVZM:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 11:01:03.594 INFO blam! ae073a11469929b924df545f19eba9ca85366fd5a8b14232e0e0189239200b5d
Aug 02 11:01:03.596 INFO running `"docker" "start" "-a" "ae073a11469929b924df545f19eba9ca85366fd5a8b14232e0e0189239200b5d"`
Aug 02 11:01:04.699 INFO kablam!     Checking effect-monad v0.3.1 (file:///source)
Aug 02 11:01:05.118 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:01:05.118 INFO kablam!  --> src/lib.rs:5:1
Aug 02 11:01:05.118 INFO kablam!   |
Aug 02 11:01:05.118 INFO kablam! 5 | #![feature(fn_traits, unboxed_closures)]
Aug 02 11:01:05.118 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:01:05.118 INFO kablam! 
Aug 02 11:01:05.119 INFO kablam! error: aborting due to previous error
Aug 02 11:01:05.119 INFO kablam! 
Aug 02 11:01:05.119 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:01:05.128 INFO kablam! error: Could not compile `effect-monad`.
Aug 02 11:01:05.128 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:01:05.621 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:01:05.621 INFO kablam!  --> src/lib.rs:5:1
Aug 02 11:01:05.621 INFO kablam!   |
Aug 02 11:01:05.622 INFO kablam! 5 | #![feature(fn_traits, unboxed_closures)]
Aug 02 11:01:05.622 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 11:01:05.622 INFO kablam! 
Aug 02 11:01:05.622 INFO kablam! error: aborting due to previous error
Aug 02 11:01:05.622 INFO kablam! 
Aug 02 11:01:05.623 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:01:05.630 INFO kablam! error: Could not compile `effect-monad`.
Aug 02 11:01:05.630 INFO kablam! 
Aug 02 11:01:05.630 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 11:01:05.632 INFO kablam! su: No module specific data is present
Aug 02 11:01:06.817 INFO running `"docker" "rm" "-f" "ae073a11469929b924df545f19eba9ca85366fd5a8b14232e0e0189239200b5d"`
Aug 02 11:01:06.977 INFO blam! ae073a11469929b924df545f19eba9ca85366fd5a8b14232e0e0189239200b5d