Aug 02 03:38:30.897 INFO checking netio-0.6.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 03:38:30.898 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:38:30.898 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:38:30.898 INFO running `"docker" "create" "-v" "/tmp/crater.zeygR8VVGBQ9:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 03:38:31.127 INFO blam! f8e8bd505feb757ae60f573bb774f0a669cc6dcbbcc2e9b3c293410e913b5dd5
Aug 02 03:38:31.129 INFO running `"docker" "start" "-a" "f8e8bd505feb757ae60f573bb774f0a669cc6dcbbcc2e9b3c293410e913b5dd5"`
Aug 02 03:38:32.402 INFO kablam!     Checking buf_redux v0.6.3
Aug 02 03:38:32.404 INFO kablam!    Compiling netio v0.6.1 (file:///source)
Aug 02 03:38:36.924 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:38:36.924 INFO kablam!  --> benches/benches.rs:1:1
Aug 02 03:38:36.924 INFO kablam!   |
Aug 02 03:38:36.924 INFO kablam! 1 | #![feature(test)]
Aug 02 03:38:36.924 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 03:38:36.928 INFO kablam! 
Aug 02 03:38:36.929 INFO kablam! error: aborting due to previous error
Aug 02 03:38:36.929 INFO kablam! 
Aug 02 03:38:36.929 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:38:36.937 INFO kablam! error: Could not compile `netio`.
Aug 02 03:38:36.937 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:38:38.053 INFO kablam! error: build failed
Aug 02 03:38:38.056 INFO kablam! su: No module specific data is present
Aug 02 03:38:38.700 INFO running `"docker" "rm" "-f" "f8e8bd505feb757ae60f573bb774f0a669cc6dcbbcc2e9b3c293410e913b5dd5"`
Aug 02 03:38:38.885 INFO blam! f8e8bd505feb757ae60f573bb774f0a669cc6dcbbcc2e9b3c293410e913b5dd5