Aug 01 21:45:18.129 INFO checking source-map-mappings-0.5.0 against 1.27.2+tmplazy for lazy_static-1
Aug 01 21:45:18.129 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:45:18.130 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:45:18.130 INFO running `"docker" "create" "-v" "/tmp/crater.raDRiavfLbJo:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+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 01 21:45:18.358 INFO blam! 2d4069934ccc2271da3e19f742491fa0351b2f59e54b64ebdc6971705cc6fdd7
Aug 01 21:45:18.361 INFO running `"docker" "start" "-a" "2d4069934ccc2271da3e19f742491fa0351b2f59e54b64ebdc6971705cc6fdd7"`
Aug 01 21:45:19.414 INFO kablam!     Checking vlq v0.5.1
Aug 01 21:45:19.416 INFO kablam!     Checking quickcheck v0.5.0
Aug 01 21:45:20.246 INFO kablam!     Checking source-map-mappings v0.5.0 (file:///source)
Aug 01 21:45:25.222 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 21:45:25.222 INFO kablam!  --> benches/bench.rs:1:1
Aug 01 21:45:25.222 INFO kablam!   |
Aug 01 21:45:25.222 INFO kablam! 1 | #![feature(test)]
Aug 01 21:45:25.222 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 21:45:25.222 INFO kablam! 
Aug 01 21:45:25.225 INFO kablam! error: aborting due to previous error
Aug 01 21:45:25.225 INFO kablam! 
Aug 01 21:45:25.225 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 21:45:25.245 INFO kablam! error: Could not compile `source-map-mappings`.
Aug 01 21:45:25.245 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 01 21:45:26.575 INFO kablam! error: build failed
Aug 01 21:45:26.577 INFO kablam! su: No module specific data is present
Aug 01 21:45:27.230 INFO running `"docker" "rm" "-f" "2d4069934ccc2271da3e19f742491fa0351b2f59e54b64ebdc6971705cc6fdd7"`
Aug 01 21:45:27.363 INFO blam! 2d4069934ccc2271da3e19f742491fa0351b2f59e54b64ebdc6971705cc6fdd7