Sep 01 11:44:20.433 INFO checking wraikny/reversi-rs against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 11:44:20.433 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 11:44:20.433 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 11:44:20.625 INFO blam! 0afb81bef00a2cc31529d58e28e7e37097aa355b3072de8dd949d35d5aef3c68
Sep 01 11:44:20.628 INFO running `"docker" "start" "-a" "0afb81bef00a2cc31529d58e28e7e37097aa355b3072de8dd949d35d5aef3c68"`
Sep 01 11:44:21.483 INFO kablam!     Checking cfg-if v0.1.4
Sep 01 11:44:21.483 INFO kablam!     Checking lazy_static v1.0.1
Sep 01 11:44:21.494 INFO kablam!     Checking memoffset v0.2.1
Sep 01 11:44:21.510 INFO kablam!     Checking scopeguard v0.3.3
Sep 01 11:44:21.511 INFO kablam!    Compiling rayon-core v1.4.0
Sep 01 11:44:21.511 INFO kablam!     Checking either v1.5.0
Sep 01 11:44:21.534 INFO kablam!     Checking arrayvec v0.4.7
Sep 01 11:44:21.550 INFO kablam!     Checking num_cpus v1.8.0
Sep 01 11:44:21.619 INFO kablam!     Checking rand v0.4.2
Sep 01 11:44:22.048 INFO kablam!     Checking crossbeam-utils v0.2.2
Sep 01 11:44:24.382 INFO kablam!     Checking crossbeam-epoch v0.3.1
Sep 01 11:44:25.631 INFO kablam!     Checking crossbeam-deque v0.2.0
Sep 01 11:44:27.911 INFO kablam!     Checking rayon v1.0.1
Sep 01 11:44:34.336 INFO kablam!     Checking reversi v0.1.0 (file:///source)
Sep 01 11:44:34.926 INFO kablam! error[E0502]: cannot borrow `self.colors` as mutable because it is also borrowed as immutable
Sep 01 11:44:34.926 INFO kablam!    --> src/board.rs:237:13
Sep 01 11:44:34.926 INFO kablam!     |
Sep 01 11:44:34.926 INFO kablam! 236 |         if let Some(Some(color)) = self.colors.get(&coordinate) {
Sep 01 11:44:34.926 INFO kablam!     |                                    ----------- immutable borrow occurs here
Sep 01 11:44:34.926 INFO kablam! 237 |             self.colors.insert(coordinate, Some(color.rev()));
Sep 01 11:44:34.926 INFO kablam!     |             ^^^^^^^^^^^ mutable borrow occurs here
Sep 01 11:44:34.926 INFO kablam! 238 |         }
Sep 01 11:44:34.926 INFO kablam!     |         - immutable borrow ends here
Sep 01 11:44:34.926 INFO kablam! 
Sep 01 11:44:34.936 INFO kablam! error: aborting due to previous error
Sep 01 11:44:34.936 INFO kablam! 
Sep 01 11:44:34.936 INFO kablam! For more information about this error, try `rustc --explain E0502`.
Sep 01 11:44:34.943 INFO kablam! error: Could not compile `reversi`.
Sep 01 11:44:34.943 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 11:44:35.030 INFO kablam! error[E0502]: cannot borrow `self.colors` as mutable because it is also borrowed as immutable
Sep 01 11:44:35.030 INFO kablam!    --> src/board.rs:237:13
Sep 01 11:44:35.030 INFO kablam!     |
Sep 01 11:44:35.030 INFO kablam! 236 |         if let Some(Some(color)) = self.colors.get(&coordinate) {
Sep 01 11:44:35.030 INFO kablam!     |                                    ----------- immutable borrow occurs here
Sep 01 11:44:35.030 INFO kablam! 237 |             self.colors.insert(coordinate, Some(color.rev()));
Sep 01 11:44:35.030 INFO kablam!     |             ^^^^^^^^^^^ mutable borrow occurs here
Sep 01 11:44:35.031 INFO kablam! 238 |         }
Sep 01 11:44:35.031 INFO kablam!     |         - immutable borrow ends here
Sep 01 11:44:35.031 INFO kablam! 
Sep 01 11:44:35.040 INFO kablam! error: aborting due to previous error
Sep 01 11:44:35.040 INFO kablam! 
Sep 01 11:44:35.040 INFO kablam! For more information about this error, try `rustc --explain E0502`.
Sep 01 11:44:35.049 INFO kablam! error: Could not compile `reversi`.
Sep 01 11:44:35.049 INFO kablam! 
Sep 01 11:44:35.049 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 11:44:35.051 INFO kablam! su: No module specific data is present
Sep 01 11:44:35.495 INFO running `"docker" "rm" "-f" "0afb81bef00a2cc31529d58e28e7e37097aa355b3072de8dd949d35d5aef3c68"`
Sep 01 11:44:35.646 INFO blam! 0afb81bef00a2cc31529d58e28e7e37097aa355b3072de8dd949d35d5aef3c68