Aug 02 04:59:15.935 INFO checking louds-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 04:59:15.936 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:59:15.936 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:59:15.936 INFO running `"docker" "create" "-v" "/tmp/crater.RmhdaFryga7o:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 02 04:59:16.177 INFO blam! f9aa48183347a6a88b4969f81e0740f2efd92a5f8560d3745322214fc3f5216d
Aug 02 04:59:16.178 INFO running `"docker" "start" "-a" "f9aa48183347a6a88b4969f81e0740f2efd92a5f8560d3745322214fc3f5216d"`
Aug 02 04:59:17.484 INFO kablam!    Compiling fid v0.1.3
Aug 02 04:59:20.682 INFO kablam!     Checking louds v0.1.0 (file:///source)
Aug 02 04:59:22.071 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:59:22.071 INFO kablam!  --> benches/lib.rs:1:1
Aug 02 04:59:22.071 INFO kablam!   |
Aug 02 04:59:22.071 INFO kablam! 1 | #![feature(test)]
Aug 02 04:59:22.071 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:59:22.071 INFO kablam! 
Aug 02 04:59:22.072 INFO kablam! error: aborting due to previous error
Aug 02 04:59:22.072 INFO kablam! 
Aug 02 04:59:22.073 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:59:22.081 INFO kablam! error: Could not compile `louds`.
Aug 02 04:59:22.081 INFO kablam! 
Aug 02 04:59:22.081 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 04:59:22.082 INFO kablam! su: No module specific data is present
Aug 02 04:59:22.674 INFO running `"docker" "rm" "-f" "f9aa48183347a6a88b4969f81e0740f2efd92a5f8560d3745322214fc3f5216d"`
Aug 02 04:59:22.861 INFO blam! f9aa48183347a6a88b4969f81e0740f2efd92a5f8560d3745322214fc3f5216d