Aug 02 14:17:04.486 INFO checking bcrypt-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 14:17:04.486 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:17:04.486 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:17:04.486 INFO running `"docker" "create" "-v" "/tmp/crater.HU4t76m9ajsu:/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 14:17:04.689 INFO blam! ded7c0ec54f03c0afb2b0ad0da9a1a0c357c5003096c1f9700125b0949918aaf
Aug 02 14:17:04.691 INFO running `"docker" "start" "-a" "ded7c0ec54f03c0afb2b0ad0da9a1a0c357c5003096c1f9700125b0949918aaf"`
Aug 02 14:17:05.586 INFO kablam!     Checking bcrypt v0.2.0 (file:///source)
Aug 02 14:17:08.328 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:17:08.328 INFO kablam!  --> benches/bcrypt.rs:1:1
Aug 02 14:17:08.328 INFO kablam!   |
Aug 02 14:17:08.328 INFO kablam! 1 | #![feature(test)]
Aug 02 14:17:08.328 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 02 14:17:08.328 INFO kablam! 
Aug 02 14:17:08.328 INFO kablam! error: aborting due to previous error
Aug 02 14:17:08.328 INFO kablam! 
Aug 02 14:17:08.328 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:17:08.337 INFO kablam! error: Could not compile `bcrypt`.
Aug 02 14:17:08.337 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:17:08.357 INFO kablam! error: build failed
Aug 02 14:17:08.359 INFO kablam! su: No module specific data is present
Aug 02 14:17:09.018 INFO running `"docker" "rm" "-f" "ded7c0ec54f03c0afb2b0ad0da9a1a0c357c5003096c1f9700125b0949918aaf"`
Aug 02 14:17:09.137 INFO blam! ded7c0ec54f03c0afb2b0ad0da9a1a0c357c5003096c1f9700125b0949918aaf