Sep 10 01:40:03.965 INFO checking wraikny/reversi-rs against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090 Sep 10 01:40:03.965 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets Sep 10 01:40:03.965 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-4/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"` Sep 10 01:40:04.182 INFO blam! 80916a799dbcb827a090f6152f09ebb536642f9b00157ef2d3a7b64aa288998b Sep 10 01:40:04.184 INFO running `"docker" "start" "-a" "80916a799dbcb827a090f6152f09ebb536642f9b00157ef2d3a7b64aa288998b"` Sep 10 01:40:06.030 INFO kablam! usermod: no changes Sep 10 01:40:06.142 INFO kablam! Checking cfg-if v0.1.4 Sep 10 01:40:06.154 INFO kablam! Checking nodrop v0.1.12 Sep 10 01:40:06.154 INFO kablam! Checking memoffset v0.2.1 Sep 10 01:40:06.154 INFO kablam! Checking scopeguard v0.3.3 Sep 10 01:40:06.154 INFO kablam! Compiling rayon-core v1.4.0 Sep 10 01:40:06.154 INFO kablam! Checking either v1.5.0 Sep 10 01:40:06.154 INFO kablam! Checking num_cpus v1.8.0 Sep 10 01:40:06.154 INFO kablam! Checking rand v0.4.2 Sep 10 01:40:06.635 INFO kablam! Checking crossbeam-utils v0.2.2 Sep 10 01:40:06.771 INFO kablam! Checking arrayvec v0.4.7 Sep 10 01:40:08.794 INFO kablam! Checking crossbeam-epoch v0.3.1 Sep 10 01:40:10.023 INFO kablam! Checking crossbeam-deque v0.2.0 Sep 10 01:40:11.378 INFO kablam! Checking rayon v1.0.1 Sep 10 01:40:14.925 INFO kablam! Checking reversi v0.1.0 (file:///source) Sep 10 01:40:15.608 INFO kablam! error[E0502]: cannot borrow `self.colors` as mutable because it is also borrowed as immutable Sep 10 01:40:15.608 INFO kablam! --> src/board.rs:237:13 Sep 10 01:40:15.608 INFO kablam! | Sep 10 01:40:15.608 INFO kablam! 236 | if let Some(Some(color)) = self.colors.get(&coordinate) { Sep 10 01:40:15.608 INFO kablam! | ----------- immutable borrow occurs here Sep 10 01:40:15.608 INFO kablam! 237 | self.colors.insert(coordinate, Some(color.rev())); Sep 10 01:40:15.608 INFO kablam! | ^^^^^^^^^^^ mutable borrow occurs here Sep 10 01:40:15.608 INFO kablam! 238 | } Sep 10 01:40:15.608 INFO kablam! | - immutable borrow ends here Sep 10 01:40:15.612 INFO kablam! Sep 10 01:40:15.633 INFO kablam! error: aborting due to previous error Sep 10 01:40:15.633 INFO kablam! Sep 10 01:40:15.633 INFO kablam! For more information about this error, try `rustc --explain E0502`. Sep 10 01:40:15.650 INFO kablam! error[E0502]: cannot borrow `self.colors` as mutable because it is also borrowed as immutable Sep 10 01:40:15.650 INFO kablam! --> src/board.rs:237:13 Sep 10 01:40:15.650 INFO kablam! | Sep 10 01:40:15.650 INFO kablam! 236 | if let Some(Some(color)) = self.colors.get(&coordinate) { Sep 10 01:40:15.650 INFO kablam! | ----------- immutable borrow occurs here Sep 10 01:40:15.650 INFO kablam! 237 | self.colors.insert(coordinate, Some(color.rev())); Sep 10 01:40:15.650 INFO kablam! | ^^^^^^^^^^^ mutable borrow occurs here Sep 10 01:40:15.650 INFO kablam! 238 | } Sep 10 01:40:15.650 INFO kablam! | - immutable borrow ends here Sep 10 01:40:15.650 INFO kablam! Sep 10 01:40:15.658 INFO kablam! error: Could not compile `reversi`. Sep 10 01:40:15.658 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 10 01:40:15.672 INFO kablam! error: aborting due to previous error Sep 10 01:40:15.672 INFO kablam! Sep 10 01:40:15.672 INFO kablam! For more information about this error, try `rustc --explain E0502`. Sep 10 01:40:15.692 INFO kablam! error: Could not compile `reversi`. Sep 10 01:40:15.692 INFO kablam! Sep 10 01:40:15.692 INFO kablam! To learn more, run the command again with --verbose. Sep 10 01:40:15.693 INFO kablam! su: No module specific data is present Sep 10 01:40:17.037 INFO running `"docker" "rm" "-f" "80916a799dbcb827a090f6152f09ebb536642f9b00157ef2d3a7b64aa288998b"` Sep 10 01:40:17.150 INFO blam! 80916a799dbcb827a090f6152f09ebb536642f9b00157ef2d3a7b64aa288998b