Aug 01 20:03:33.490 INFO checking trex-0.2.0 against 1.27.2 for lazy_static-1
Aug 01 20:03:33.491 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:03:33.491 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:03:33.491 INFO running `"docker" "create" "-v" "/tmp/crater.1cASTeygOaXR:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 01 20:03:33.683 INFO blam! e7835defe4b9809ef915e77610b7562a467c1706b5f1fe7189baa014c631b2bc
Aug 01 20:03:33.685 INFO running `"docker" "start" "-a" "e7835defe4b9809ef915e77610b7562a467c1706b5f1fe7189baa014c631b2bc"`
Aug 01 20:03:34.716 INFO kablam!     Checking ansi_term v0.7.5
Aug 01 20:03:34.716 INFO kablam!     Checking bit-set v0.4.0
Aug 01 20:03:35.350 INFO kablam!     Checking trex v0.2.0 (file:///source)
Aug 01 20:03:36.450 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:03:36.450 INFO kablam!  --> benches/lib.rs:1:1
Aug 01 20:03:36.450 INFO kablam!   |
Aug 01 20:03:36.450 INFO kablam! 1 | #![feature(test)]
Aug 01 20:03:36.450 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 20:03:36.450 INFO kablam! 
Aug 01 20:03:36.450 INFO kablam! error: aborting due to previous error
Aug 01 20:03:36.450 INFO kablam! 
Aug 01 20:03:36.450 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:03:36.450 INFO kablam! error: Could not compile `trex`.
Aug 01 20:03:36.452 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 20:03:36.533 INFO kablam! error: build failed
Aug 01 20:03:36.533 INFO kablam! su: No module specific data is present
Aug 01 20:03:37.131 INFO running `"docker" "rm" "-f" "e7835defe4b9809ef915e77610b7562a467c1706b5f1fe7189baa014c631b2bc"`
Aug 01 20:03:37.264 INFO blam! e7835defe4b9809ef915e77610b7562a467c1706b5f1fe7189baa014c631b2bc