Aug 01 20:38:42.559 INFO checking terminal-0.0.2 against 1.27.2 for lazy_static-1
Aug 01 20:38:42.560 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:38:42.560 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 20:38:42.560 INFO running `"docker" "create" "-v" "/tmp/crater.jvXJ9JCB2GYE:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-2/1.27.2:/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 01 20:38:42.831 INFO blam! 6000f690897c782acb22c368fc6fede14e051cdafdd336ac390f936aec7cf0ac
Aug 01 20:38:42.833 INFO running `"docker" "start" "-a" "6000f690897c782acb22c368fc6fede14e051cdafdd336ac390f936aec7cf0ac"`
Aug 01 20:38:43.935 INFO kablam!     Checking termios v0.0.4
Aug 01 20:38:44.286 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 01 20:38:44.286 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/termios-0.0.4/src/lib.rs:1:1
Aug 01 20:38:44.286 INFO kablam!   |
Aug 01 20:38:44.286 INFO kablam! 1 | #![feature(libc)]
Aug 01 20:38:44.286 INFO kablam!   | ^^^^^^^^^^^^^^^^^
Aug 01 20:38:44.286 INFO kablam! 
Aug 01 20:38:44.287 INFO kablam! error: aborting due to previous error
Aug 01 20:38:44.287 INFO kablam! 
Aug 01 20:38:44.287 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 01 20:38:44.294 INFO kablam! error: Could not compile `termios`.
Aug 01 20:38:44.295 INFO kablam! 
Aug 01 20:38:44.295 INFO kablam! To learn more, run the command again with --verbose.
Aug 01 20:38:44.297 INFO kablam! su: No module specific data is present
Aug 01 20:38:44.816 INFO running `"docker" "rm" "-f" "6000f690897c782acb22c368fc6fede14e051cdafdd336ac390f936aec7cf0ac"`
Aug 01 20:38:44.983 INFO blam! 6000f690897c782acb22c368fc6fede14e051cdafdd336ac390f936aec7cf0ac