Dec 18 08:33:03.756 INFO checking AntoineSebert/local_hack_day_2018 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:33:03.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/AntoineSebert/local_hack_day_2018:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:33:03.994 INFO [stdout] b3183ca3a47dc99acd2dc5ace1358b6355e88425621b256da5a623d090fc5f8b
Dec 18 08:33:03.997 INFO running `"docker" "start" "-a" "b3183ca3a47dc99acd2dc5ace1358b6355e88425621b256da5a623d090fc5f8b"`
Dec 18 08:33:04.591 INFO [stderr]     Checking local_hack_day_2018 v0.1.0 (/opt/crater/workdir)
Dec 18 08:33:04.864 INFO [stderr] error[E0502]: cannot borrow `world[..][..]` as immutable because it is also borrowed as mutable
Dec 18 08:33:04.865 INFO [stderr]    --> src/main.rs:114:34
Dec 18 08:33:04.865 INFO [stderr]     |
Dec 18 08:33:04.865 INFO [stderr] 114 |             let is_alive: bool = world[n][n_2].clone(); 
Dec 18 08:33:04.865 INFO [stderr]     |                                  ^^^^^^^^^^^^^ immutable borrow occurs here
Dec 18 08:33:04.865 INFO [stderr] ...
Dec 18 08:33:04.866 INFO [stderr] 117 |                     cells_to_update.push(&mut world[n][n_2]);
Dec 18 08:33:04.866 INFO [stderr]     |                                               ------------- mutable borrow occurs here
Dec 18 08:33:04.866 INFO [stderr] ...
Dec 18 08:33:04.866 INFO [stderr] 131 | }
Dec 18 08:33:04.866 INFO [stderr]     | - mutable borrow ends here
Dec 18 08:33:04.866 INFO [stderr] 
Dec 18 08:33:04.866 INFO [stderr] error[E0499]: cannot borrow `world[..][..]` as mutable more than once at a time
Dec 18 08:33:04.866 INFO [stderr]    --> src/main.rs:117:47
Dec 18 08:33:04.866 INFO [stderr]     |
Dec 18 08:33:04.866 INFO [stderr] 117 |                     cells_to_update.push(&mut world[n][n_2]);
Dec 18 08:33:04.866 INFO [stderr]     |                                               ^^^^^^^^^^^^^ mutable borrow starts here in previous iteration of loop
Dec 18 08:33:04.866 INFO [stderr] ...
Dec 18 08:33:04.866 INFO [stderr] 131 | }
Dec 18 08:33:04.866 INFO [stderr]     | - mutable borrow ends here
Dec 18 08:33:04.866 INFO [stderr] 
Dec 18 08:33:04.866 INFO [stderr] error[E0499]: cannot borrow `world[..][..]` as mutable more than once at a time
Dec 18 08:33:04.866 INFO [stderr]    --> src/main.rs:121:43
Dec 18 08:33:04.866 INFO [stderr]     |
Dec 18 08:33:04.866 INFO [stderr] 117 |                     cells_to_update.push(&mut world[n][n_2]);
Dec 18 08:33:04.866 INFO [stderr]     |                                               ------------- first mutable borrow occurs here
Dec 18 08:33:04.866 INFO [stderr] ...
Dec 18 08:33:04.866 INFO [stderr] 121 |                 cells_to_update.push(&mut world[n][n_2]);
Dec 18 08:33:04.866 INFO [stderr]     |                                           ^^^^^^^^^^^^^ second mutable borrow occurs here
Dec 18 08:33:04.866 INFO [stderr] ...
Dec 18 08:33:04.866 INFO [stderr] 131 | }
Dec 18 08:33:04.866 INFO [stderr]     | - first borrow ends here
Dec 18 08:33:04.866 INFO [stderr] 
Dec 18 08:33:04.866 INFO [stderr] error: aborting due to 3 previous errors
Dec 18 08:33:04.866 INFO [stderr] 
Dec 18 08:33:04.866 INFO [stderr] Some errors occurred: E0499, E0502.
Dec 18 08:33:04.866 INFO [stderr] For more information about an error, try `rustc --explain E0499`.
Dec 18 08:33:04.880 INFO [stderr] error: Could not compile `local_hack_day_2018`.
Dec 18 08:33:04.880 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 08:33:04.963 INFO [stderr] error[E0502]: cannot borrow `world[..][..]` as immutable because it is also borrowed as mutable
Dec 18 08:33:04.963 INFO [stderr]    --> src/main.rs:114:34
Dec 18 08:33:04.964 INFO [stderr]     |
Dec 18 08:33:04.964 INFO [stderr] 114 |             let is_alive: bool = world[n][n_2].clone(); 
Dec 18 08:33:04.964 INFO [stderr]     |                                  ^^^^^^^^^^^^^ immutable borrow occurs here
Dec 18 08:33:04.964 INFO [stderr] ...
Dec 18 08:33:04.964 INFO [stderr] 117 |                     cells_to_update.push(&mut world[n][n_2]);
Dec 18 08:33:04.964 INFO [stderr]     |                                               ------------- mutable borrow occurs here
Dec 18 08:33:04.969 INFO [stderr] ...
Dec 18 08:33:04.969 INFO [stderr] 131 | }
Dec 18 08:33:04.969 INFO [stderr]     | - mutable borrow ends here
Dec 18 08:33:04.969 INFO [stderr] 
Dec 18 08:33:04.969 INFO [stderr] error[E0499]: cannot borrow `world[..][..]` as mutable more than once at a time
Dec 18 08:33:04.969 INFO [stderr]    --> src/main.rs:117:47
Dec 18 08:33:04.969 INFO [stderr]     |
Dec 18 08:33:04.969 INFO [stderr] 117 |                     cells_to_update.push(&mut world[n][n_2]);
Dec 18 08:33:04.969 INFO [stderr]     |                                               ^^^^^^^^^^^^^ mutable borrow starts here in previous iteration of loop
Dec 18 08:33:04.969 INFO [stderr] ...
Dec 18 08:33:04.969 INFO [stderr] 131 | }
Dec 18 08:33:04.969 INFO [stderr]     | - mutable borrow ends here
Dec 18 08:33:04.969 INFO [stderr] 
Dec 18 08:33:04.969 INFO [stderr] error[E0499]: cannot borrow `world[..][..]` as mutable more than once at a time
Dec 18 08:33:04.969 INFO [stderr]    --> src/main.rs:121:43
Dec 18 08:33:04.969 INFO [stderr]     |
Dec 18 08:33:04.969 INFO [stderr] 117 |                     cells_to_update.push(&mut world[n][n_2]);
Dec 18 08:33:04.969 INFO [stderr]     |                                               ------------- first mutable borrow occurs here
Dec 18 08:33:04.969 INFO [stderr] ...
Dec 18 08:33:04.969 INFO [stderr] 121 |                 cells_to_update.push(&mut world[n][n_2]);
Dec 18 08:33:04.969 INFO [stderr]     |                                           ^^^^^^^^^^^^^ second mutable borrow occurs here
Dec 18 08:33:04.969 INFO [stderr] ...
Dec 18 08:33:04.969 INFO [stderr] 131 | }
Dec 18 08:33:04.969 INFO [stderr]     | - first borrow ends here
Dec 18 08:33:04.969 INFO [stderr] 
Dec 18 08:33:04.969 INFO [stderr] error: aborting due to 3 previous errors
Dec 18 08:33:04.969 INFO [stderr] 
Dec 18 08:33:04.969 INFO [stderr] Some errors occurred: E0499, E0502.
Dec 18 08:33:04.969 INFO [stderr] For more information about an error, try `rustc --explain E0499`.
Dec 18 08:33:04.976 INFO [stderr] error: Could not compile `local_hack_day_2018`.
Dec 18 08:33:04.976 INFO [stderr] 
Dec 18 08:33:04.976 INFO [stderr] To learn more, run the command again with --verbose.
Dec 18 08:33:05.313 INFO running `"docker" "inspect" "b3183ca3a47dc99acd2dc5ace1358b6355e88425621b256da5a623d090fc5f8b"`
Dec 18 08:33:05.408 INFO running `"docker" "rm" "-f" "b3183ca3a47dc99acd2dc5ace1358b6355e88425621b256da5a623d090fc5f8b"`
Dec 18 08:33:05.504 INFO [stdout] b3183ca3a47dc99acd2dc5ace1358b6355e88425621b256da5a623d090fc5f8b