Aug 02 01:16:24.909 INFO checking rayon-attr-0.1.1 against 1.27.2 for lazy_static-1
Aug 02 01:16:24.910 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:16:24.910 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 01:16:24.910 INFO running `"docker" "create" "-v" "/tmp/crater.0Qram0NwjEho:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2:/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 02 01:16:25.389 INFO blam! b7bd66ce02e69964cc24f14a02d366eb5dd1d1d88c51938b810ea559c68522d6
Aug 02 01:16:25.392 INFO running `"docker" "start" "-a" "b7bd66ce02e69964cc24f14a02d366eb5dd1d1d88c51938b810ea559c68522d6"`
Aug 02 01:16:26.940 INFO kablam!     Checking nodrop v0.1.12
Aug 02 01:16:26.940 INFO kablam!     Checking scopeguard v0.3.3
Aug 02 01:16:26.940 INFO kablam!     Checking memoffset v0.2.1
Aug 02 01:16:26.942 INFO kablam!     Checking either v1.5.0
Aug 02 01:16:26.943 INFO kablam!     Checking crossbeam-utils v0.2.2
Aug 02 01:16:26.945 INFO kablam!    Compiling syn v0.13.11
Aug 02 01:16:27.845 INFO kablam!     Checking arrayvec v0.4.7
Aug 02 01:16:30.546 INFO kablam!     Checking crossbeam-epoch v0.3.1
Aug 02 01:16:32.471 INFO kablam!     Checking crossbeam-deque v0.2.0
Aug 02 01:16:34.980 INFO kablam!     Checking rayon-core v1.4.1
Aug 02 01:16:38.681 INFO kablam!     Checking rayon v1.0.2
Aug 02 01:16:56.857 INFO kablam!     Checking rayon-attr v0.1.1 (file:///source)
Aug 02 01:16:57.771 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:16:57.771 INFO kablam!  --> src/lib.rs:1:1
Aug 02 01:16:57.771 INFO kablam!   |
Aug 02 01:16:57.771 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 01:16:57.771 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:16:57.772 INFO kablam! 
Aug 02 01:16:57.772 INFO kablam! error: aborting due to previous error
Aug 02 01:16:57.772 INFO kablam! 
Aug 02 01:16:57.772 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:16:57.781 INFO kablam! error: Could not compile `rayon-attr`.
Aug 02 01:16:57.781 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:16:57.913 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 01:16:57.913 INFO kablam!  --> src/lib.rs:1:1
Aug 02 01:16:57.913 INFO kablam!   |
Aug 02 01:16:57.914 INFO kablam! 1 | #![feature(proc_macro)]
Aug 02 01:16:57.914 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 01:16:57.914 INFO kablam! 
Aug 02 01:16:57.914 INFO kablam! error: aborting due to previous error
Aug 02 01:16:57.914 INFO kablam! 
Aug 02 01:16:57.914 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 01:16:57.921 INFO kablam! error: Could not compile `rayon-attr`.
Aug 02 01:16:57.921 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 01:17:15.565 INFO kablam! error: build failed
Aug 02 01:17:15.568 INFO kablam! su: No module specific data is present
Aug 02 01:17:16.108 INFO running `"docker" "rm" "-f" "b7bd66ce02e69964cc24f14a02d366eb5dd1d1d88c51938b810ea559c68522d6"`
Aug 02 01:17:16.274 INFO blam! b7bd66ce02e69964cc24f14a02d366eb5dd1d1d88c51938b810ea559c68522d6