Aug 01 17:33:05.764 INFO checking Vurich/rustfest-perf-workshop against 1.27.2 for lazy_static-1
Aug 01 17:33:05.764 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 17:33:05.764 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 17:33:05.765 INFO running `"docker" "create" "-v" "/tmp/crater.76HpRMbvtXHR:/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 01 17:33:05.975 INFO blam! 115c7cd97163f57e7232e0fcd03f573a5ca68c799cf11f0b7ede9780f21380b5
Aug 01 17:33:05.977 INFO running `"docker" "start" "-a" "115c7cd97163f57e7232e0fcd03f573a5ca68c799cf11f0b7ede9780f21380b5"`
Aug 01 17:33:07.050 INFO kablam!     Checking memchr v2.0.1
Aug 01 17:33:07.388 INFO kablam!     Checking combine v3.3.6
Aug 01 17:33:37.911 INFO kablam!     Checking rustfest v0.1.0 (file:///source)
Aug 01 17:33:38.615 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 17:33:38.615 INFO kablam!  --> src/lib.rs:1:19
Aug 01 17:33:38.615 INFO kablam!   |
Aug 01 17:33:38.615 INFO kablam! 1 | #![cfg_attr(test, feature(test))]
Aug 01 17:33:38.616 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 01 17:33:38.624 INFO kablam! 
Aug 01 17:33:38.626 INFO kablam! error: aborting due to previous error
Aug 01 17:33:38.626 INFO kablam! 
Aug 01 17:33:38.627 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 17:33:38.635 INFO kablam! error: Could not compile `rustfest`.
Aug 01 17:33:38.635 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 17:33:40.463 INFO kablam! error: build failed
Aug 01 17:33:40.466 INFO kablam! su: No module specific data is present
Aug 01 17:33:41.091 INFO running `"docker" "rm" "-f" "115c7cd97163f57e7232e0fcd03f573a5ca68c799cf11f0b7ede9780f21380b5"`
Aug 01 17:33:41.253 INFO blam! 115c7cd97163f57e7232e0fcd03f573a5ca68c799cf11f0b7ede9780f21380b5