Aug 02 12:00:35.412 INFO checking ct-utils-0.0.1 against 1.27.2+tmplazy for lazy_static-1
Aug 02 12:00:35.412 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:00:35.412 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:00:35.412 INFO running `"docker" "create" "-v" "/tmp/crater.SNiqB2zQRqCl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2+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 12:00:35.709 INFO blam! 355f44d9f84f29a97369a3ca5b6dc4fbd64e7491969b92260846721c5c7ed922
Aug 02 12:00:35.709 INFO running `"docker" "start" "-a" "355f44d9f84f29a97369a3ca5b6dc4fbd64e7491969b92260846721c5c7ed922"`
Aug 02 12:00:36.955 INFO kablam!     Checking ct-utils v0.0.1 (file:///source)
Aug 02 12:00:37.544 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:00:37.544 INFO kablam!  --> src/lib.rs:1:1
Aug 02 12:00:37.544 INFO kablam!   |
Aug 02 12:00:37.544 INFO kablam! 1 | #![feature(specialization)]
Aug 02 12:00:37.544 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:00:37.544 INFO kablam! 
Aug 02 12:00:37.545 INFO kablam! error: aborting due to previous error
Aug 02 12:00:37.545 INFO kablam! 
Aug 02 12:00:37.545 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:00:37.582 INFO kablam! error: Could not compile `ct-utils`.
Aug 02 12:00:37.583 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:00:37.970 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:00:37.970 INFO kablam!  --> src/lib.rs:1:1
Aug 02 12:00:37.970 INFO kablam!   |
Aug 02 12:00:37.970 INFO kablam! 1 | #![feature(specialization)]
Aug 02 12:00:37.970 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 12:00:37.970 INFO kablam! 
Aug 02 12:00:37.972 INFO kablam! error: aborting due to previous error
Aug 02 12:00:37.972 INFO kablam! 
Aug 02 12:00:37.972 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:00:37.980 INFO kablam! error: Could not compile `ct-utils`.
Aug 02 12:00:37.981 INFO kablam! 
Aug 02 12:00:37.981 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 12:00:37.983 INFO kablam! su: No module specific data is present
Aug 02 12:00:38.547 INFO running `"docker" "rm" "-f" "355f44d9f84f29a97369a3ca5b6dc4fbd64e7491969b92260846721c5c7ed922"`
Aug 02 12:00:38.704 INFO blam! 355f44d9f84f29a97369a3ca5b6dc4fbd64e7491969b92260846721c5c7ed922