Aug 02 13:59:24.897 INFO checking blake2_c-0.3.1 against 1.27.2 for lazy_static-1
Aug 02 13:59:24.897 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:59:24.897 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 13:59:24.897 INFO running `"docker" "create" "-v" "/tmp/crater.u02gfmhT5aud:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-6/1.27.2:/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 13:59:25.251 INFO blam! 369b461b48ca8e98059486941817f8c69118b479a689bbf8f0f1fc423d15c05f
Aug 02 13:59:25.253 INFO running `"docker" "start" "-a" "369b461b48ca8e98059486941817f8c69118b479a689bbf8f0f1fc423d15c05f"`
Aug 02 13:59:26.316 INFO kablam!     Checking cty v0.1.5
Aug 02 13:59:26.318 INFO kablam!    Compiling blake2_c v0.3.1 (file:///source)
Aug 02 13:59:31.476 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 13:59:31.476 INFO kablam!  --> benches/bench.rs:1:1
Aug 02 13:59:31.476 INFO kablam!   |
Aug 02 13:59:31.476 INFO kablam! 1 | #![feature(test)]
Aug 02 13:59:31.476 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 13:59:31.476 INFO kablam! 
Aug 02 13:59:31.477 INFO kablam! error: aborting due to previous error
Aug 02 13:59:31.477 INFO kablam! 
Aug 02 13:59:31.477 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 13:59:31.484 INFO kablam! error: Could not compile `blake2_c`.
Aug 02 13:59:31.485 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 13:59:31.725 INFO kablam! error: build failed
Aug 02 13:59:31.729 INFO kablam! su: No module specific data is present
Aug 02 13:59:32.729 INFO running `"docker" "rm" "-f" "369b461b48ca8e98059486941817f8c69118b479a689bbf8f0f1fc423d15c05f"`
Aug 02 13:59:32.923 INFO blam! 369b461b48ca8e98059486941817f8c69118b479a689bbf8f0f1fc423d15c05f