Sep 06 09:46:25.461 INFO checking automata-0.0.2 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 09:46:25.461 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 09:46:25.461 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-3/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 09:46:25.618 INFO blam! d9ac8ed7affaec8940266a9a37f4de9118803d24605cd1ce666a6d3c6e6bcc78
Sep 06 09:46:25.620 INFO running `"docker" "start" "-a" "d9ac8ed7affaec8940266a9a37f4de9118803d24605cd1ce666a6d3c6e6bcc78"`
Sep 06 09:46:26.381 INFO kablam! usermod: no changes
Sep 06 09:46:26.418 INFO kablam!     Checking automata v0.0.2 (file:///source)
Sep 06 09:46:26.881 INFO kablam! error[E0635]: unknown feature `io`
Sep 06 09:46:26.881 INFO kablam!  --> src/lib.rs:1:12
Sep 06 09:46:26.881 INFO kablam!   |
Sep 06 09:46:26.881 INFO kablam! 1 | #![feature(io)]
Sep 06 09:46:26.881 INFO kablam!   |            ^^
Sep 06 09:46:26.881 INFO kablam! 
Sep 06 09:46:26.888 INFO kablam! error: aborting due to previous error
Sep 06 09:46:26.888 INFO kablam! 
Sep 06 09:46:26.889 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 09:46:26.896 INFO kablam! error: Could not compile `automata`.
Sep 06 09:46:26.896 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 06 09:46:27.070 INFO kablam! error[E0635]: unknown feature `io`
Sep 06 09:46:27.070 INFO kablam!  --> src/lib.rs:1:12
Sep 06 09:46:27.070 INFO kablam!   |
Sep 06 09:46:27.070 INFO kablam! 1 | #![feature(io)]
Sep 06 09:46:27.070 INFO kablam!   |            ^^
Sep 06 09:46:27.070 INFO kablam! 
Sep 06 09:46:27.081 INFO kablam! error: aborting due to previous error
Sep 06 09:46:27.081 INFO kablam! 
Sep 06 09:46:27.081 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 06 09:46:27.089 INFO kablam! error: Could not compile `automata`.
Sep 06 09:46:27.089 INFO kablam! 
Sep 06 09:46:27.089 INFO kablam! To learn more, run the command again with --verbose.
Sep 06 09:46:27.090 INFO kablam! su: No module specific data is present
Sep 06 09:46:27.562 INFO running `"docker" "rm" "-f" "d9ac8ed7affaec8940266a9a37f4de9118803d24605cd1ce666a6d3c6e6bcc78"`
Sep 06 09:46:27.637 INFO blam! d9ac8ed7affaec8940266a9a37f4de9118803d24605cd1ce666a6d3c6e6bcc78