Aug 02 14:30:34.780 INFO checking automata-0.0.2 against 1.27.2 for lazy_static-1
Aug 02 14:30:34.780 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:30:34.780 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:30:34.781 INFO running `"docker" "create" "-v" "/tmp/crater.BLVGj9isi2oP:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 14:30:35.014 INFO blam! 06f3b5c3cf63d1c1224c3e25a03ea6531d2f2e082c6433aad3a855520d44c913
Aug 02 14:30:35.023 INFO running `"docker" "start" "-a" "06f3b5c3cf63d1c1224c3e25a03ea6531d2f2e082c6433aad3a855520d44c913"`
Aug 02 14:30:36.435 INFO kablam!     Checking automata v0.0.2 (file:///source)
Aug 02 14:30:37.172 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:30:37.172 INFO kablam!  --> src/lib.rs:1:1
Aug 02 14:30:37.172 INFO kablam!   |
Aug 02 14:30:37.172 INFO kablam! 1 | #![feature(io)]
Aug 02 14:30:37.172 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 02 14:30:37.172 INFO kablam! 
Aug 02 14:30:37.173 INFO kablam! error: aborting due to previous error
Aug 02 14:30:37.174 INFO kablam! 
Aug 02 14:30:37.174 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:30:37.181 INFO kablam! error: Could not compile `automata`.
Aug 02 14:30:37.182 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:30:37.425 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:30:37.426 INFO kablam!  --> src/lib.rs:1:1
Aug 02 14:30:37.426 INFO kablam!   |
Aug 02 14:30:37.426 INFO kablam! 1 | #![feature(io)]
Aug 02 14:30:37.426 INFO kablam!   | ^^^^^^^^^^^^^^^
Aug 02 14:30:37.426 INFO kablam! 
Aug 02 14:30:37.426 INFO kablam! error: aborting due to previous error
Aug 02 14:30:37.426 INFO kablam! 
Aug 02 14:30:37.426 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:30:37.433 INFO kablam! error: Could not compile `automata`.
Aug 02 14:30:37.433 INFO kablam! 
Aug 02 14:30:37.433 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 14:30:37.434 INFO kablam! su: No module specific data is present
Aug 02 14:30:38.516 INFO running `"docker" "rm" "-f" "06f3b5c3cf63d1c1224c3e25a03ea6531d2f2e082c6433aad3a855520d44c913"`
Aug 02 14:30:38.688 INFO blam! 06f3b5c3cf63d1c1224c3e25a03ea6531d2f2e082c6433aad3a855520d44c913