Sep 10 22:30:18.537 INFO checking automata-0.0.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 22:30:18.537 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 22:30:18.537 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 22:30:18.678 INFO blam! 40c1497c996432c39b0958a1c16d71bd542db5ad0562ee820a75bfc6506f00c6
Sep 10 22:30:18.681 INFO running `"docker" "start" "-a" "40c1497c996432c39b0958a1c16d71bd542db5ad0562ee820a75bfc6506f00c6"`
Sep 10 22:30:19.532 INFO kablam! usermod: no changes
Sep 10 22:30:19.553 INFO kablam!     Checking automata v0.0.2 (file:///source)
Sep 10 22:30:20.067 INFO kablam! error[E0635]: unknown feature `io`
Sep 10 22:30:20.067 INFO kablam!  --> src/lib.rs:1:12
Sep 10 22:30:20.067 INFO kablam!   |
Sep 10 22:30:20.067 INFO kablam! 1 | #![feature(io)]
Sep 10 22:30:20.067 INFO kablam!   |            ^^
Sep 10 22:30:20.067 INFO kablam! 
Sep 10 22:30:20.086 INFO kablam! error: aborting due to previous error
Sep 10 22:30:20.086 INFO kablam! 
Sep 10 22:30:20.086 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 10 22:30:20.098 INFO kablam! error: Could not compile `automata`.
Sep 10 22:30:20.098 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 10 22:30:20.206 INFO kablam! error[E0635]: unknown feature `io`
Sep 10 22:30:20.206 INFO kablam!  --> src/lib.rs:1:12
Sep 10 22:30:20.206 INFO kablam!   |
Sep 10 22:30:20.206 INFO kablam! 1 | #![feature(io)]
Sep 10 22:30:20.206 INFO kablam!   |            ^^
Sep 10 22:30:20.206 INFO kablam! 
Sep 10 22:30:20.218 INFO kablam! error: aborting due to previous error
Sep 10 22:30:20.218 INFO kablam! 
Sep 10 22:30:20.218 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 10 22:30:20.229 INFO kablam! error: Could not compile `automata`.
Sep 10 22:30:20.229 INFO kablam! 
Sep 10 22:30:20.229 INFO kablam! To learn more, run the command again with --verbose.
Sep 10 22:30:20.229 INFO kablam! su: No module specific data is present
Sep 10 22:30:21.017 INFO running `"docker" "rm" "-f" "40c1497c996432c39b0958a1c16d71bd542db5ad0562ee820a75bfc6506f00c6"`
Sep 10 22:30:21.120 INFO blam! 40c1497c996432c39b0958a1c16d71bd542db5ad0562ee820a75bfc6506f00c6