Aug 02 11:17:39.534 INFO checking dogged-0.2.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:17:39.534 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:17:39.534 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:17:39.534 INFO running `"docker" "create" "-v" "/tmp/crater.1lfIyqLj4NQN:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2+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 11:17:39.787 INFO blam! 4c4abba4e59834b84f59907ee0cb1c951f91308fd7973730f9f7a13173b31088
Aug 02 11:17:39.789 INFO running `"docker" "start" "-a" "4c4abba4e59834b84f59907ee0cb1c951f91308fd7973730f9f7a13173b31088"`
Aug 02 11:17:40.648 INFO kablam!     Checking dogged v0.2.0 (file:///source)
Aug 02 11:17:41.478 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:17:41.478 INFO kablam!  --> src/lib.rs:1:19
Aug 02 11:17:41.479 INFO kablam!   |
Aug 02 11:17:41.479 INFO kablam! 1 | #![cfg_attr(test, feature(test))]
Aug 02 11:17:41.479 INFO kablam!   |                   ^^^^^^^^^^^^^^
Aug 02 11:17:41.479 INFO kablam! 
Aug 02 11:17:41.482 INFO kablam! error: aborting due to previous error
Aug 02 11:17:41.482 INFO kablam! 
Aug 02 11:17:41.482 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:17:41.497 INFO kablam! error: Could not compile `dogged`.
Aug 02 11:17:41.497 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:17:42.290 INFO kablam! error: build failed
Aug 02 11:17:42.291 INFO kablam! su: No module specific data is present
Aug 02 11:17:43.247 INFO running `"docker" "rm" "-f" "4c4abba4e59834b84f59907ee0cb1c951f91308fd7973730f9f7a13173b31088"`
Aug 02 11:17:43.397 INFO blam! 4c4abba4e59834b84f59907ee0cb1c951f91308fd7973730f9f7a13173b31088