Aug 02 04:34:14.057 INFO checking md4-0.4.1 against 1.27.2 for lazy_static-1
Aug 02 04:34:14.057 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:34:14.057 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 04:34:14.057 INFO running `"docker" "create" "-v" "/tmp/crater.rg0qcnCSAozV:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-7/1.27.2:/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 04:34:14.319 INFO blam! 9254202afdd117e1a35d05c724b414b3d5cdb91a8eeb97ef8e4ba7408dad70ae
Aug 02 04:34:14.321 INFO running `"docker" "start" "-a" "9254202afdd117e1a35d05c724b414b3d5cdb91a8eeb97ef8e4ba7408dad70ae"`
Aug 02 04:34:15.174 INFO kablam!     Checking block-cipher-trait v0.3.0
Aug 02 04:34:15.178 INFO kablam!     Checking md4 v0.4.1 (file:///source)
Aug 02 04:34:15.922 INFO kablam!     Checking crypto-tests v0.3.2
Aug 02 04:34:18.857 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 04:34:18.857 INFO kablam!  --> benches/lib.rs:2:1
Aug 02 04:34:18.857 INFO kablam!   |
Aug 02 04:34:18.857 INFO kablam! 2 | #![feature(test)]
Aug 02 04:34:18.857 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 04:34:18.857 INFO kablam! 
Aug 02 04:34:18.857 INFO kablam! error: aborting due to previous error
Aug 02 04:34:18.857 INFO kablam! 
Aug 02 04:34:18.857 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 04:34:18.864 INFO kablam! error: Could not compile `md4`.
Aug 02 04:34:18.865 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 04:34:19.009 INFO kablam! error: build failed
Aug 02 04:34:19.011 INFO kablam! su: No module specific data is present
Aug 02 04:34:19.559 INFO running `"docker" "rm" "-f" "9254202afdd117e1a35d05c724b414b3d5cdb91a8eeb97ef8e4ba7408dad70ae"`
Aug 02 04:34:19.742 INFO blam! 9254202afdd117e1a35d05c724b414b3d5cdb91a8eeb97ef8e4ba7408dad70ae