Aug 02 06:06:39.098 INFO checking karabiner-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 06:06:39.098 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:06:39.098 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:06:39.098 INFO running `"docker" "create" "-v" "/tmp/crater.7mMQwBaWr1S6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 06:06:39.270 INFO blam! 90826ea3d762c31a9d8593f01b957988e7a6447a07341200ab13a4ab0355d72e
Aug 02 06:06:39.271 INFO running `"docker" "start" "-a" "90826ea3d762c31a9d8593f01b957988e7a6447a07341200ab13a4ab0355d72e"`
Aug 02 06:06:41.473 INFO kablam!     Checking karabiner-onetime v0.1.0
Aug 02 06:06:41.972 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:06:41.972 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/karabiner-onetime-0.1.0/src/lib.rs:1:1
Aug 02 06:06:41.972 INFO kablam!   |
Aug 02 06:06:41.972 INFO kablam! 1 | #![feature(integer_atomics)]
Aug 02 06:06:41.972 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:06:41.972 INFO kablam! 
Aug 02 06:06:41.972 INFO kablam! error: aborting due to previous error
Aug 02 06:06:41.972 INFO kablam! 
Aug 02 06:06:41.972 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:06:41.980 INFO kablam! error: Could not compile `karabiner-onetime`.
Aug 02 06:06:41.980 INFO kablam! 
Aug 02 06:06:41.980 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 06:06:41.981 INFO kablam! su: No module specific data is present
Aug 02 06:06:42.627 INFO running `"docker" "rm" "-f" "90826ea3d762c31a9d8593f01b957988e7a6447a07341200ab13a4ab0355d72e"`
Aug 02 06:06:42.723 INFO blam! 90826ea3d762c31a9d8593f01b957988e7a6447a07341200ab13a4ab0355d72e