Aug 02 12:37:47.044 INFO checking collision-0.14.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 12:37:47.044 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:37:47.044 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:37:47.045 INFO running `"docker" "create" "-v" "/tmp/crater.59YJq7ZGpaOl:/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 12:37:47.288 INFO blam! b6111bb21c3263675e2c13aabe268a632f2d7e1200bb3849bf69f079aed3a28d
Aug 02 12:37:47.292 INFO running `"docker" "start" "-a" "b6111bb21c3263675e2c13aabe268a632f2d7e1200bb3849bf69f079aed3a28d"`
Aug 02 12:37:48.401 INFO kablam!     Checking collision v0.14.0 (file:///source)
Aug 02 12:38:15.032 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:38:15.032 INFO kablam!  --> benches/polyhedron.rs:1:1
Aug 02 12:38:15.032 INFO kablam!   |
Aug 02 12:38:15.032 INFO kablam! 1 | #![feature(test)]
Aug 02 12:38:15.032 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:38:15.032 INFO kablam! 
Aug 02 12:38:15.036 INFO kablam! error: aborting due to previous error
Aug 02 12:38:15.036 INFO kablam! 
Aug 02 12:38:15.036 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:38:15.120 INFO kablam! error: Could not compile `collision`.
Aug 02 12:38:15.120 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:38:18.940 INFO kablam! error: build failed
Aug 02 12:38:18.940 INFO kablam! su: No module specific data is present
Aug 02 12:38:19.676 INFO running `"docker" "rm" "-f" "b6111bb21c3263675e2c13aabe268a632f2d7e1200bb3849bf69f079aed3a28d"`
Aug 02 12:38:19.892 INFO blam! b6111bb21c3263675e2c13aabe268a632f2d7e1200bb3849bf69f079aed3a28d