Aug 11 19:37:28.651 INFO checking automata-0.0.2 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 19:37:28.651 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 19:37:28.651 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 19:37:28.651 INFO running `"docker" "create" "-v" "/tmp/crater.kUKzcYNMivfl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-2/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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 +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 19:37:29.156 INFO blam! 3a6419474abe6ce4b74aa14cf50eb07645956ab1a9da733ad33cc2bf59a257f3
Aug 11 19:37:29.209 INFO running `"docker" "start" "-a" "3a6419474abe6ce4b74aa14cf50eb07645956ab1a9da733ad33cc2bf59a257f3"`
Aug 11 19:37:30.675 INFO kablam!     Checking automata v0.0.2 (file:///source)
Aug 11 19:37:31.890 INFO kablam! error[E0635]: unknown feature `io`
Aug 11 19:37:31.890 INFO kablam!  --> src/lib.rs:1:12
Aug 11 19:37:31.890 INFO kablam!   |
Aug 11 19:37:31.890 INFO kablam! 1 | #![feature(io)]
Aug 11 19:37:31.890 INFO kablam!   |            ^^
Aug 11 19:37:31.890 INFO kablam! 
Aug 11 19:37:31.901 INFO kablam! error: aborting due to previous error
Aug 11 19:37:31.901 INFO kablam! 
Aug 11 19:37:31.901 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 19:37:31.909 INFO kablam! error: Could not compile `automata`.
Aug 11 19:37:31.910 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 19:37:32.352 INFO kablam! error[E0635]: unknown feature `io`
Aug 11 19:37:32.352 INFO kablam!  --> src/lib.rs:1:12
Aug 11 19:37:32.352 INFO kablam!   |
Aug 11 19:37:32.352 INFO kablam! 1 | #![feature(io)]
Aug 11 19:37:32.352 INFO kablam!   |            ^^
Aug 11 19:37:32.353 INFO kablam! 
Aug 11 19:37:32.380 INFO kablam! error: aborting due to previous error
Aug 11 19:37:32.380 INFO kablam! 
Aug 11 19:37:32.380 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 19:37:32.391 INFO kablam! error: Could not compile `automata`.
Aug 11 19:37:32.391 INFO kablam! 
Aug 11 19:37:32.391 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 19:37:32.394 INFO kablam! su: No module specific data is present
Aug 11 19:37:33.332 INFO running `"docker" "rm" "-f" "3a6419474abe6ce4b74aa14cf50eb07645956ab1a9da733ad33cc2bf59a257f3"`
Aug 11 19:37:33.532 INFO blam! 3a6419474abe6ce4b74aa14cf50eb07645956ab1a9da733ad33cc2bf59a257f3