Aug 02 06:06:32.919 INFO checking karabiner-onetime-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 06:06:32.919 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:06:32.919 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:06:32.919 INFO running `"docker" "create" "-v" "/tmp/crater.mR7hEpnraNST:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2+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 06:06:33.191 INFO blam! bf2b0d16312335ecd20580ef2f7861cbcfbfe838be25cbd4b25c29673806d613
Aug 02 06:06:33.193 INFO running `"docker" "start" "-a" "bf2b0d16312335ecd20580ef2f7861cbcfbfe838be25cbd4b25c29673806d613"`
Aug 02 06:06:34.284 INFO kablam!     Checking parking_lot v0.4.8
Aug 02 06:06:35.552 INFO kablam!     Checking karabiner-onetime v0.1.0 (file:///source)
Aug 02 06:06:36.195 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:06:36.195 INFO kablam!  --> src/lib.rs:1:1
Aug 02 06:06:36.195 INFO kablam!   |
Aug 02 06:06:36.195 INFO kablam! 1 | #![feature(integer_atomics)]
Aug 02 06:06:36.195 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:06:36.195 INFO kablam! 
Aug 02 06:06:36.195 INFO kablam! error: aborting due to previous error
Aug 02 06:06:36.195 INFO kablam! 
Aug 02 06:06:36.195 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:06:36.204 INFO kablam! error: Could not compile `karabiner-onetime`.
Aug 02 06:06:36.204 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:06:36.248 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:06:36.248 INFO kablam!  --> src/lib.rs:1:1
Aug 02 06:06:36.248 INFO kablam!   |
Aug 02 06:06:36.248 INFO kablam! 1 | #![feature(integer_atomics)]
Aug 02 06:06:36.248 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:06:36.248 INFO kablam! 
Aug 02 06:06:36.249 INFO kablam! error: aborting due to previous error
Aug 02 06:06:36.249 INFO kablam! 
Aug 02 06:06:36.249 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:06:36.258 INFO kablam! error: Could not compile `karabiner-onetime`.
Aug 02 06:06:36.258 INFO kablam! 
Aug 02 06:06:36.258 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 06:06:36.260 INFO kablam! su: No module specific data is present
Aug 02 06:06:37.151 INFO running `"docker" "rm" "-f" "bf2b0d16312335ecd20580ef2f7861cbcfbfe838be25cbd4b25c29673806d613"`
Aug 02 06:06:37.278 INFO blam! bf2b0d16312335ecd20580ef2f7861cbcfbfe838be25cbd4b25c29673806d613