Sep 05 02:31:02.567 INFO checking automata-0.0.2 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 05 02:31:02.567 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 05 02:31:02.567 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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=500" "-e" "CMD=cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 02:31:02.734 INFO blam! 8b42d1901734a80fc5050fed53c9508560ce553f64216310acc7505e0d4071ef
Sep 05 02:31:02.735 INFO running `"docker" "start" "-a" "8b42d1901734a80fc5050fed53c9508560ce553f64216310acc7505e0d4071ef"`
Sep 05 02:31:03.396 INFO kablam!     Checking automata v0.0.2 (file:///source)
Sep 05 02:31:04.353 INFO kablam! error[E0635]: unknown feature `io`
Sep 05 02:31:04.354 INFO kablam!  --> src/lib.rs:1:12
Sep 05 02:31:04.354 INFO kablam!   |
Sep 05 02:31:04.354 INFO kablam! 1 | #![feature(io)]
Sep 05 02:31:04.354 INFO kablam!   |            ^^
Sep 05 02:31:04.354 INFO kablam! 
Sep 05 02:31:04.362 INFO kablam! error: aborting due to previous error
Sep 05 02:31:04.362 INFO kablam! 
Sep 05 02:31:04.362 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 05 02:31:04.371 INFO kablam! error: Could not compile `automata`.
Sep 05 02:31:04.371 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 02:31:04.715 INFO kablam! error[E0635]: unknown feature `io`
Sep 05 02:31:04.715 INFO kablam!  --> src/lib.rs:1:12
Sep 05 02:31:04.715 INFO kablam!   |
Sep 05 02:31:04.715 INFO kablam! 1 | #![feature(io)]
Sep 05 02:31:04.715 INFO kablam!   |            ^^
Sep 05 02:31:04.715 INFO kablam! 
Sep 05 02:31:04.729 INFO kablam! error: aborting due to previous error
Sep 05 02:31:04.729 INFO kablam! 
Sep 05 02:31:04.729 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 05 02:31:04.736 INFO kablam! error: Could not compile `automata`.
Sep 05 02:31:04.736 INFO kablam! 
Sep 05 02:31:04.736 INFO kablam! To learn more, run the command again with --verbose.
Sep 05 02:31:04.737 INFO kablam! su: No module specific data is present
Sep 05 02:31:05.248 INFO running `"docker" "rm" "-f" "8b42d1901734a80fc5050fed53c9508560ce553f64216310acc7505e0d4071ef"`
Sep 05 02:31:05.337 INFO blam! 8b42d1901734a80fc5050fed53c9508560ce553f64216310acc7505e0d4071ef