Aug 02 11:19:51.514 INFO checking dmio-0.1.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 11:19:51.514 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:19:51.514 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 11:19:51.514 INFO running `"docker" "create" "-v" "/tmp/crater.dTjNss2UqrNn:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-0/1.27.2+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 11:19:51.745 INFO blam! b5d47350787346b86b5947b156991acd2f12a8e465bca74e1f9841cec4cfdf8e
Aug 02 11:19:51.749 INFO running `"docker" "start" "-a" "b5d47350787346b86b5947b156991acd2f12a8e465bca74e1f9841cec4cfdf8e"`
Aug 02 11:19:52.900 INFO kablam!     Checking log4rs v0.8.0
Aug 02 11:19:52.901 INFO kablam!     Checking dmio v0.1.0 (file:///source)
Aug 02 11:19:54.041 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 11:19:54.041 INFO kablam!   --> src/lib.rs:21:1
Aug 02 11:19:54.042 INFO kablam!    |
Aug 02 11:19:54.042 INFO kablam! 21 | #![feature(test)]
Aug 02 11:19:54.042 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Aug 02 11:19:54.048 INFO kablam! 
Aug 02 11:19:54.053 INFO kablam! error: aborting due to previous error
Aug 02 11:19:54.053 INFO kablam! 
Aug 02 11:19:54.053 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 11:19:54.076 INFO kablam! error: Could not compile `dmio`.
Aug 02 11:19:54.077 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 11:19:58.554 INFO kablam! error: build failed
Aug 02 11:19:58.556 INFO kablam! su: No module specific data is present
Aug 02 11:19:59.235 INFO running `"docker" "rm" "-f" "b5d47350787346b86b5947b156991acd2f12a8e465bca74e1f9841cec4cfdf8e"`
Aug 02 11:19:59.401 INFO blam! b5d47350787346b86b5947b156991acd2f12a8e465bca74e1f9841cec4cfdf8e