Aug 02 12:43:04.303 INFO checking coap-0.7.0 against 1.27.2+tmplazy for lazy_static-1
Aug 02 12:43:04.303 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:43:04.303 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 12:43:04.304 INFO running `"docker" "create" "-v" "/tmp/crater.pmTfo553Sykq:/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 12:43:04.471 INFO blam! bc50d38a35c4a0369da7792018a7e4b2a54743843fbb3328e28b168aa648b6bd
Aug 02 12:43:04.473 INFO running `"docker" "start" "-a" "bc50d38a35c4a0369da7792018a7e4b2a54743843fbb3328e28b168aa648b6bd"`
Aug 02 12:43:05.966 INFO kablam!     Checking bincode v0.3.0
Aug 02 12:43:07.093 INFO kablam!     Checking coap v0.7.0 (file:///source)
Aug 02 12:43:12.655 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 12:43:12.655 INFO kablam!  --> benches/client.rs:1:1
Aug 02 12:43:12.655 INFO kablam!   |
Aug 02 12:43:12.655 INFO kablam! 1 | #![feature(test)]
Aug 02 12:43:12.655 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 12:43:12.655 INFO kablam! 
Aug 02 12:43:12.655 INFO kablam! error: aborting due to previous error
Aug 02 12:43:12.655 INFO kablam! 
Aug 02 12:43:12.655 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 12:43:12.674 INFO kablam! error: Could not compile `coap`.
Aug 02 12:43:12.674 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 12:43:13.978 INFO kablam! error: build failed
Aug 02 12:43:13.979 INFO kablam! su: No module specific data is present
Aug 02 12:43:14.525 INFO running `"docker" "rm" "-f" "bc50d38a35c4a0369da7792018a7e4b2a54743843fbb3328e28b168aa648b6bd"`
Aug 02 12:43:14.673 INFO blam! bc50d38a35c4a0369da7792018a7e4b2a54743843fbb3328e28b168aa648b6bd