Aug 02 11:17:39.848 INFO checking dogged-0.2.0 against 1.27.2 for lazy_static-1 Aug 02 11:17:39.848 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 02 11:17:39.848 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 02 11:17:39.848 INFO running `"docker" "create" "-v" "/tmp/crater.otKHOBIJUlGJ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 11:17:40.138 INFO blam! 0e0e40bdcf90b73ba445b2ed76f0253b6c48b6fcfeecb15c3aea47d23b413c28 Aug 02 11:17:40.142 INFO running `"docker" "start" "-a" "0e0e40bdcf90b73ba445b2ed76f0253b6c48b6fcfeecb15c3aea47d23b413c28"` Aug 02 11:17:41.271 INFO kablam! Checking dogged v0.2.0 (file:///source) Aug 02 11:17:42.123 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel Aug 02 11:17:42.123 INFO kablam! --> src/lib.rs:1:19 Aug 02 11:17:42.123 INFO kablam! | Aug 02 11:17:42.123 INFO kablam! 1 | #![cfg_attr(test, feature(test))] Aug 02 11:17:42.123 INFO kablam! | ^^^^^^^^^^^^^^ Aug 02 11:17:42.123 INFO kablam! Aug 02 11:17:42.127 INFO kablam! error: aborting due to previous error Aug 02 11:17:42.128 INFO kablam! Aug 02 11:17:42.128 INFO kablam! For more information about this error, try `rustc --explain E0554`. Aug 02 11:17:42.136 INFO kablam! error: Could not compile `dogged`. Aug 02 11:17:42.136 INFO kablam! warning: build failed, waiting for other jobs to finish... Aug 02 11:17:42.853 INFO kablam! error: build failed Aug 02 11:17:42.855 INFO kablam! su: No module specific data is present Aug 02 11:17:43.800 INFO running `"docker" "rm" "-f" "0e0e40bdcf90b73ba445b2ed76f0253b6c48b6fcfeecb15c3aea47d23b413c28"` Aug 02 11:17:43.955 INFO blam! 0e0e40bdcf90b73ba445b2ed76f0253b6c48b6fcfeecb15c3aea47d23b413c28