Aug 01 21:46:28.307 INFO checking sorting_networks-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 21:46:28.307 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:46:28.307 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:46:28.307 INFO running `"docker" "create" "-v" "/tmp/crater.YQDhnL3GFbYH:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 21:46:28.542 INFO blam! a60d61e6a3691253f53922e117e14fb4995dcbf6461406af2f7d202e48ccc386
Aug 01 21:46:28.544 INFO running `"docker" "start" "-a" "a60d61e6a3691253f53922e117e14fb4995dcbf6461406af2f7d202e48ccc386"`
Aug 01 21:46:29.924 INFO kablam!    Compiling sorting_networks v0.1.0 (file:///source)
Aug 01 21:46:33.183 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:46:33.184 INFO kablam!  --> src/lib.rs:2:24
Aug 01 21:46:33.184 INFO kablam!   |
Aug 01 21:46:33.184 INFO kablam! 2 | #![cfg_attr(not(test), feature(lang_items))]
Aug 01 21:46:33.184 INFO kablam!   |                        ^^^^^^^^^^^^^^^^^^^^
Aug 01 21:46:33.184 INFO kablam! 
Aug 01 21:46:33.185 INFO kablam! error: aborting due to previous error
Aug 01 21:46:33.185 INFO kablam! 
Aug 01 21:46:33.185 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:46:33.192 INFO kablam! error: Could not compile `sorting_networks`.
Aug 01 21:46:33.192 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:46:34.146 INFO kablam! error: build failed
Aug 01 21:46:34.153 INFO kablam! su: No module specific data is present
Aug 01 21:46:34.691 INFO running `"docker" "rm" "-f" "a60d61e6a3691253f53922e117e14fb4995dcbf6461406af2f7d202e48ccc386"`
Aug 01 21:46:34.906 INFO blam! a60d61e6a3691253f53922e117e14fb4995dcbf6461406af2f7d202e48ccc386