Aug 02 03:38:32.456 INFO checking netio-0.6.1 against 1.27.2 for lazy_static-1
Aug 02 03:38:32.456 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:38:32.456 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:38:32.456 INFO running `"docker" "create" "-v" "/tmp/crater.KS4341f6eB9e:/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 03:38:32.716 INFO blam! 534afefedc0c21cbd0cd75bcdff2ecfd879ab7cdb8a8c4cddc4b00e2ceb6b92a
Aug 02 03:38:32.718 INFO running `"docker" "start" "-a" "534afefedc0c21cbd0cd75bcdff2ecfd879ab7cdb8a8c4cddc4b00e2ceb6b92a"`
Aug 02 03:38:33.788 INFO kablam!     Checking buf_redux v0.6.3
Aug 02 03:38:33.795 INFO kablam!    Compiling netio v0.6.1 (file:///source)
Aug 02 03:38:38.174 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 03:38:38.174 INFO kablam!  --> benches/benches.rs:1:1
Aug 02 03:38:38.174 INFO kablam!   |
Aug 02 03:38:38.174 INFO kablam! 1 | #![feature(test)]
Aug 02 03:38:38.174 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 03:38:38.175 INFO kablam! 
Aug 02 03:38:38.175 INFO kablam! error: aborting due to previous error
Aug 02 03:38:38.175 INFO kablam! 
Aug 02 03:38:38.175 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 03:38:38.186 INFO kablam! error: Could not compile `netio`.
Aug 02 03:38:38.187 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 03:38:39.433 INFO kablam! error: build failed
Aug 02 03:38:39.435 INFO kablam! su: No module specific data is present
Aug 02 03:38:40.178 INFO running `"docker" "rm" "-f" "534afefedc0c21cbd0cd75bcdff2ecfd879ab7cdb8a8c4cddc4b00e2ceb6b92a"`
Aug 02 03:38:40.365 INFO blam! 534afefedc0c21cbd0cd75bcdff2ecfd879ab7cdb8a8c4cddc4b00e2ceb6b92a