Sep 05 16:39:09.451 INFO checking wraikny/reversi-rs against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 05 16:39:09.451 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 05 16:39:09.451 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-6/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 05 16:39:09.876 INFO blam! 30380d70fa91e7125105c7bd3bae6152fa8af7c96ee20333ad52544ae8ab70fb
Sep 05 16:39:09.877 INFO running `"docker" "start" "-a" "30380d70fa91e7125105c7bd3bae6152fa8af7c96ee20333ad52544ae8ab70fb"`
Sep 05 16:39:12.471 INFO kablam! usermod: no changes
Sep 05 16:39:12.562 INFO kablam!     Checking cfg-if v0.1.4
Sep 05 16:39:12.574 INFO kablam!     Checking scopeguard v0.3.3
Sep 05 16:39:12.574 INFO kablam!    Compiling rayon-core v1.4.0
Sep 05 16:39:12.574 INFO kablam!     Checking either v1.5.0
Sep 05 16:39:12.926 INFO kablam!     Checking crossbeam-utils v0.2.2
Sep 05 16:39:13.586 INFO kablam!     Checking crossbeam-epoch v0.3.1
Sep 05 16:39:14.228 INFO kablam!     Checking crossbeam-deque v0.2.0
Sep 05 16:39:15.369 INFO kablam!     Checking rayon v1.0.1
Sep 05 16:39:18.852 INFO kablam!     Checking reversi v0.1.0 (file:///source)
Sep 05 16:39:19.655 INFO kablam! error[E0502]: cannot borrow `self.colors` as mutable because it is also borrowed as immutable
Sep 05 16:39:19.655 INFO kablam!    --> src/board.rs:237:13
Sep 05 16:39:19.655 INFO kablam!     |
Sep 05 16:39:19.655 INFO kablam! 236 |         if let Some(Some(color)) = self.colors.get(&coordinate) {
Sep 05 16:39:19.655 INFO kablam!     |                                    ----------- immutable borrow occurs here
Sep 05 16:39:19.655 INFO kablam! 237 |             self.colors.insert(coordinate, Some(color.rev()));
Sep 05 16:39:19.655 INFO kablam!     |             ^^^^^^^^^^^ mutable borrow occurs here
Sep 05 16:39:19.655 INFO kablam! 238 |         }
Sep 05 16:39:19.655 INFO kablam!     |         - immutable borrow ends here
Sep 05 16:39:19.655 INFO kablam! 
Sep 05 16:39:19.681 INFO kablam! error: aborting due to previous error
Sep 05 16:39:19.681 INFO kablam! 
Sep 05 16:39:19.681 INFO kablam! For more information about this error, try `rustc --explain E0502`.
Sep 05 16:39:19.701 INFO kablam! error: Could not compile `reversi`.
Sep 05 16:39:19.702 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 16:39:19.714 INFO kablam! error[E0502]: cannot borrow `self.colors` as mutable because it is also borrowed as immutable
Sep 05 16:39:19.714 INFO kablam!    --> src/board.rs:237:13
Sep 05 16:39:19.714 INFO kablam!     |
Sep 05 16:39:19.714 INFO kablam! 236 |         if let Some(Some(color)) = self.colors.get(&coordinate) {
Sep 05 16:39:19.714 INFO kablam!     |                                    ----------- immutable borrow occurs here
Sep 05 16:39:19.714 INFO kablam! 237 |             self.colors.insert(coordinate, Some(color.rev()));
Sep 05 16:39:19.714 INFO kablam!     |             ^^^^^^^^^^^ mutable borrow occurs here
Sep 05 16:39:19.714 INFO kablam! 238 |         }
Sep 05 16:39:19.714 INFO kablam!     |         - immutable borrow ends here
Sep 05 16:39:19.714 INFO kablam! 
Sep 05 16:39:19.737 INFO kablam! error: aborting due to previous error
Sep 05 16:39:19.737 INFO kablam! 
Sep 05 16:39:19.737 INFO kablam! For more information about this error, try `rustc --explain E0502`.
Sep 05 16:39:19.745 INFO kablam! error: Could not compile `reversi`.
Sep 05 16:39:19.745 INFO kablam! 
Sep 05 16:39:19.745 INFO kablam! To learn more, run the command again with --verbose.
Sep 05 16:39:19.749 INFO kablam! su: No module specific data is present
Sep 05 16:39:21.102 INFO running `"docker" "rm" "-f" "30380d70fa91e7125105c7bd3bae6152fa8af7c96ee20333ad52544ae8ab70fb"`
Sep 05 16:39:21.373 INFO blam! 30380d70fa91e7125105c7bd3bae6152fa8af7c96ee20333ad52544ae8ab70fb