Sep 10 22:30:18.010 INFO checking automata-0.0.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 22:30:18.010 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 22:30:18.010 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:30:18.147 INFO blam! 6c3ff2f4573d52b0d01e67da28d70eda14a83f9db8d011760f9a97311146390b
Sep 10 22:30:18.149 INFO running `"docker" "start" "-a" "6c3ff2f4573d52b0d01e67da28d70eda14a83f9db8d011760f9a97311146390b"`
Sep 10 22:30:19.111 INFO kablam! usermod: no changes
Sep 10 22:30:19.131 INFO kablam!     Checking automata v0.0.2 (file:///source)
Sep 10 22:30:19.464 INFO kablam! error[E0635]: unknown feature `io`
Sep 10 22:30:19.464 INFO kablam!  --> src/lib.rs:1:12
Sep 10 22:30:19.464 INFO kablam!   |
Sep 10 22:30:19.464 INFO kablam! 1 | #![feature(io)]
Sep 10 22:30:19.464 INFO kablam!   |            ^^
Sep 10 22:30:19.464 INFO kablam! 
Sep 10 22:30:19.470 INFO kablam! error: aborting due to previous error
Sep 10 22:30:19.470 INFO kablam! 
Sep 10 22:30:19.470 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 10 22:30:19.475 INFO kablam! error: Could not compile `automata`.
Sep 10 22:30:19.475 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 22:30:19.633 INFO kablam! error[E0635]: unknown feature `io`
Sep 10 22:30:19.633 INFO kablam!  --> src/lib.rs:1:12
Sep 10 22:30:19.633 INFO kablam!   |
Sep 10 22:30:19.633 INFO kablam! 1 | #![feature(io)]
Sep 10 22:30:19.633 INFO kablam!   |            ^^
Sep 10 22:30:19.633 INFO kablam! 
Sep 10 22:30:19.645 INFO kablam! error: aborting due to previous error
Sep 10 22:30:19.645 INFO kablam! 
Sep 10 22:30:19.645 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 10 22:30:19.653 INFO kablam! error: Could not compile `automata`.
Sep 10 22:30:19.653 INFO kablam! 
Sep 10 22:30:19.653 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 22:30:19.654 INFO kablam! su: No module specific data is present
Sep 10 22:30:20.514 INFO running `"docker" "rm" "-f" "6c3ff2f4573d52b0d01e67da28d70eda14a83f9db8d011760f9a97311146390b"`
Sep 10 22:30:20.594 INFO blam! 6c3ff2f4573d52b0d01e67da28d70eda14a83f9db8d011760f9a97311146390b