Aug 02 02:45:52.176 INFO checking pairlock-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 02:45:52.176 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:45:52.176 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:45:52.176 INFO running `"docker" "create" "-v" "/tmp/crater.dEl7ta5MIlbz:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+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 02:45:52.443 INFO blam! f966a66bcfed466ee2a1f86ab84f9c130819eca9bbcffd5f6fd818c9aabf1135
Aug 02 02:45:52.446 INFO running `"docker" "start" "-a" "f966a66bcfed466ee2a1f86ab84f9c130819eca9bbcffd5f6fd818c9aabf1135"`
Aug 02 02:45:53.581 INFO kablam!     Checking pairlock v0.1.0 (file:///source)
Aug 02 02:45:55.431 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:45:55.431 INFO kablam!  --> benches/race_detection.rs:1:1
Aug 02 02:45:55.431 INFO kablam!   |
Aug 02 02:45:55.431 INFO kablam! 1 | #![feature(test)]
Aug 02 02:45:55.431 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 02:45:55.432 INFO kablam! 
Aug 02 02:45:55.432 INFO kablam! error: aborting due to previous error
Aug 02 02:45:55.432 INFO kablam! 
Aug 02 02:45:55.433 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:45:55.441 INFO kablam! error: Could not compile `pairlock`.
Aug 02 02:45:55.441 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:45:55.608 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:45:55.609 INFO kablam!  --> benches/comparisons.rs:1:1
Aug 02 02:45:55.609 INFO kablam!   |
Aug 02 02:45:55.609 INFO kablam! 1 | #![feature(test)]
Aug 02 02:45:55.609 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 02:45:55.610 INFO kablam! 
Aug 02 02:45:55.614 INFO kablam! error: aborting due to previous error
Aug 02 02:45:55.614 INFO kablam! 
Aug 02 02:45:55.614 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 02:45:55.630 INFO kablam! error: Could not compile `pairlock`.
Aug 02 02:45:55.630 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:45:56.146 INFO kablam! error: build failed
Aug 02 02:45:56.146 INFO kablam! su: No module specific data is present
Aug 02 02:45:57.117 INFO running `"docker" "rm" "-f" "f966a66bcfed466ee2a1f86ab84f9c130819eca9bbcffd5f6fd818c9aabf1135"`
Aug 02 02:45:57.272 INFO blam! f966a66bcfed466ee2a1f86ab84f9c130819eca9bbcffd5f6fd818c9aabf1135