Aug 02 09:54:28.218 INFO checking fomat-macros-0.2.1 against 1.27.2 for lazy_static-1
Aug 02 09:54:28.218 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:54:28.218 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:54:28.218 INFO running `"docker" "create" "-v" "/tmp/crater.wmHPuumesHcq:/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 09:54:28.600 INFO blam! 1a43d557b87d1321ad1eeb3ac2b458b01ac8abb5686d44da3b03cd4bd20e176f
Aug 02 09:54:28.602 INFO running `"docker" "start" "-a" "1a43d557b87d1321ad1eeb3ac2b458b01ac8abb5686d44da3b03cd4bd20e176f"`
Aug 02 09:54:37.511 INFO kablam!     Checking fomat-macros v0.2.1 (file:///source)
Aug 02 09:54:38.480 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:54:38.481 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 09:54:38.481 INFO kablam!   |
Aug 02 09:54:38.481 INFO kablam! 1 | #![feature(test)]
Aug 02 09:54:38.481 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 09:54:38.481 INFO kablam! 
Aug 02 09:54:38.481 INFO kablam! error: aborting due to previous error
Aug 02 09:54:38.481 INFO kablam! 
Aug 02 09:54:38.482 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:54:38.491 INFO kablam! error: Could not compile `fomat-macros`.
Aug 02 09:54:38.491 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:54:38.904 INFO kablam! error: build failed
Aug 02 09:54:38.906 INFO kablam! su: No module specific data is present
Aug 02 09:54:41.699 INFO running `"docker" "rm" "-f" "1a43d557b87d1321ad1eeb3ac2b458b01ac8abb5686d44da3b03cd4bd20e176f"`
Aug 02 09:54:41.843 INFO blam! 1a43d557b87d1321ad1eeb3ac2b458b01ac8abb5686d44da3b03cd4bd20e176f