Aug 02 00:37:26.193 INFO checking rfc822_sanitizer-0.3.3 against 1.27.2 for lazy_static-1
Aug 02 00:37:26.193 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:37:26.193 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 00:37:26.193 INFO running `"docker" "create" "-v" "/tmp/crater.VgEmgfQkciz3:/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 00:37:26.526 INFO blam! 5e8a88e407e5012a8c0ff8f71564216ea8d956f9a928449249a3ff43c936613f
Aug 02 00:37:26.528 INFO running `"docker" "start" "-a" "5e8a88e407e5012a8c0ff8f71564216ea8d956f9a928449249a3ff43c936613f"`
Aug 02 00:37:28.083 INFO kablam!     Checking rfc822_sanitizer v0.3.3 (file:///source)
Aug 02 00:37:29.984 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 00:37:29.984 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 00:37:29.984 INFO kablam!   |
Aug 02 00:37:29.984 INFO kablam! 1 | #![feature(test)]
Aug 02 00:37:29.984 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 00:37:29.984 INFO kablam! 
Aug 02 00:37:29.990 INFO kablam! error: aborting due to previous error
Aug 02 00:37:29.990 INFO kablam! 
Aug 02 00:37:29.990 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 00:37:29.994 INFO kablam! error: Could not compile `rfc822_sanitizer`.
Aug 02 00:37:29.995 INFO kablam! 
Aug 02 00:37:29.995 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 00:37:29.997 INFO kablam! su: No module specific data is present
Aug 02 00:37:31.143 INFO running `"docker" "rm" "-f" "5e8a88e407e5012a8c0ff8f71564216ea8d956f9a928449249a3ff43c936613f"`
Aug 02 00:37:31.278 INFO blam! 5e8a88e407e5012a8c0ff8f71564216ea8d956f9a928449249a3ff43c936613f