Aug 02 14:13:24.584 INFO checking bifrost-0.3.0 against 1.27.2 for lazy_static-1
Aug 02 14:13:24.584 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:13:24.584 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:13:24.584 INFO running `"docker" "create" "-v" "/tmp/crater.4LjQ7zkp2yIz:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 14:13:24.873 INFO blam! 3c829a6729ec521118f787c33bb0e894920ebc0f3d7fbc4ce2be885059fcc28f
Aug 02 14:13:24.876 INFO running `"docker" "start" "-a" "3c829a6729ec521118f787c33bb0e894920ebc0f3d7fbc4ce2be885059fcc28f"`
Aug 02 14:13:25.900 INFO kablam!     Checking bifrost v0.3.0 (file:///source)
Aug 02 14:13:26.510 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:13:26.510 INFO kablam!  --> src/lib.rs:5:1
Aug 02 14:13:26.510 INFO kablam!   |
Aug 02 14:13:26.510 INFO kablam! 5 | #![feature(drain_filter)]
Aug 02 14:13:26.510 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:13:26.511 INFO kablam! 
Aug 02 14:13:26.512 INFO kablam! error: aborting due to previous error
Aug 02 14:13:26.512 INFO kablam! 
Aug 02 14:13:26.512 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:13:26.520 INFO kablam! error: Could not compile `bifrost`.
Aug 02 14:13:26.521 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:13:26.620 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:13:26.620 INFO kablam!  --> src/lib.rs:5:1
Aug 02 14:13:26.620 INFO kablam!   |
Aug 02 14:13:26.620 INFO kablam! 5 | #![feature(drain_filter)]
Aug 02 14:13:26.620 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:13:26.621 INFO kablam! 
Aug 02 14:13:26.621 INFO kablam! error: aborting due to previous error
Aug 02 14:13:26.621 INFO kablam! 
Aug 02 14:13:26.621 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:13:26.633 INFO kablam! error: Could not compile `bifrost`.
Aug 02 14:13:26.633 INFO kablam! 
Aug 02 14:13:26.633 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 14:13:26.634 INFO kablam! su: No module specific data is present
Aug 02 14:13:27.651 INFO running `"docker" "rm" "-f" "3c829a6729ec521118f787c33bb0e894920ebc0f3d7fbc4ce2be885059fcc28f"`
Aug 02 14:13:27.836 INFO blam! 3c829a6729ec521118f787c33bb0e894920ebc0f3d7fbc4ce2be885059fcc28f