Aug 02 04:38:50.083 INFO checking matrixmultiply_mt-0.1.6 against 1.27.2+tmplazy for lazy_static-1
Aug 02 04:38:50.083 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:38:50.083 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:38:50.083 INFO running `"docker" "create" "-v" "/tmp/crater.7n51rGwwRIB7:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2+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 04:38:50.254 INFO blam! 53bd967424be29a912a023572f98e51e38d6707cc642ba6007a09fc7854f8a4c
Aug 02 04:38:50.256 INFO running `"docker" "start" "-a" "53bd967424be29a912a023572f98e51e38d6707cc642ba6007a09fc7854f8a4c"`
Aug 02 04:38:51.382 INFO kablam!    Compiling matrixmultiply_mt v0.1.6 (file:///source)
Aug 02 04:38:51.383 INFO kablam!     Checking typenum_loops v0.3.0
Aug 02 04:38:57.731 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:38:57.731 INFO kablam!  --> benches/bench1.rs:1:1
Aug 02 04:38:57.731 INFO kablam!   |
Aug 02 04:38:57.731 INFO kablam! 1 | #![feature(test)]
Aug 02 04:38:57.731 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:38:57.731 INFO kablam! 
Aug 02 04:38:57.735 INFO kablam! error: aborting due to previous error
Aug 02 04:38:57.735 INFO kablam! 
Aug 02 04:38:57.736 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:38:57.760 INFO kablam! error: Could not compile `matrixmultiply_mt`.
Aug 02 04:38:57.760 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:38:58.656 INFO kablam! error: build failed
Aug 02 04:38:58.658 INFO kablam! su: No module specific data is present
Aug 02 04:38:59.469 INFO running `"docker" "rm" "-f" "53bd967424be29a912a023572f98e51e38d6707cc642ba6007a09fc7854f8a4c"`
Aug 02 04:38:59.622 INFO blam! 53bd967424be29a912a023572f98e51e38d6707cc642ba6007a09fc7854f8a4c