Aug 02 10:53:07.938 INFO checking emcee-1.0.0-alpha.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 10:53:07.938 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:53:07.938 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 10:53:07.938 INFO running `"docker" "create" "-v" "/tmp/crater.457JgSXyIGOj:/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 10:53:08.182 INFO blam! 23a5d230ff9dbde140d6cb92c123cae60598074e80c3736beb25ed176e070817
Aug 02 10:53:08.185 INFO running `"docker" "start" "-a" "23a5d230ff9dbde140d6cb92c123cae60598074e80c3736beb25ed176e070817"`
Aug 02 10:53:09.100 INFO kablam!     Checking assert_approx_eq v1.0.0
Aug 02 10:53:09.105 INFO kablam!     Checking emcee v1.0.0-alpha.2 (file:///source)
Aug 02 10:53:12.730 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 10:53:12.730 INFO kablam!  --> benches/benches.rs:1:1
Aug 02 10:53:12.731 INFO kablam!   |
Aug 02 10:53:12.731 INFO kablam! 1 | #![feature(test)]
Aug 02 10:53:12.731 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 10:53:12.749 INFO kablam! 
Aug 02 10:53:12.749 INFO kablam! error: aborting due to previous error
Aug 02 10:53:12.749 INFO kablam! 
Aug 02 10:53:12.749 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 10:53:12.759 INFO kablam! error: Could not compile `emcee`.
Aug 02 10:53:12.759 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 10:53:13.713 INFO kablam! error: build failed
Aug 02 10:53:13.714 INFO kablam! su: No module specific data is present
Aug 02 10:53:14.246 INFO running `"docker" "rm" "-f" "23a5d230ff9dbde140d6cb92c123cae60598074e80c3736beb25ed176e070817"`
Aug 02 10:53:14.409 INFO blam! 23a5d230ff9dbde140d6cb92c123cae60598074e80c3736beb25ed176e070817