Dec 14 12:13:31.957 INFO testing AntoineSebert/local_hack_day_2018 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 12:13:31.957 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 14 12:13:32.262 INFO [stdout] 8067974b7e072db0d02ae0bdc7dc6aff87fe9c6b66142c6d2262473de39b814c
Dec 14 12:13:32.265 INFO running `"docker" "start" "-a" "8067974b7e072db0d02ae0bdc7dc6aff87fe9c6b66142c6d2262473de39b814c"`
Dec 14 12:13:32.685 INFO [stderr] usermod: no changes
Dec 14 12:13:32.751 INFO [stderr]    Compiling local_hack_day_2018 v0.1.0 (/source)
Dec 14 12:13:33.149 INFO [stderr] error[E0502]: cannot borrow `world[..][..]` as immutable because it is also borrowed as mutable
Dec 14 12:13:33.149 INFO [stderr]    --> src/main.rs:114:34
Dec 14 12:13:33.149 INFO [stderr]     |
Dec 14 12:13:33.149 INFO [stderr] 114 |             let is_alive: bool = world[n][n_2].clone(); 
Dec 14 12:13:33.149 INFO [stderr]     |                                  ^^^^^^^^^^^^^ immutable borrow occurs here
Dec 14 12:13:33.149 INFO [stderr] ...
Dec 14 12:13:33.149 INFO [stderr] 117 |                     cells_to_update.push(&mut world[n][n_2]);
Dec 14 12:13:33.149 INFO [stderr]     |                                               ------------- mutable borrow occurs here
Dec 14 12:13:33.149 INFO [stderr] ...
Dec 14 12:13:33.149 INFO [stderr] 131 | }
Dec 14 12:13:33.149 INFO [stderr]     | - mutable borrow ends here
Dec 14 12:13:33.149 INFO [stderr] 
Dec 14 12:13:33.149 INFO [stderr] error[E0499]: cannot borrow `world[..][..]` as mutable more than once at a time
Dec 14 12:13:33.149 INFO [stderr]    --> src/main.rs:117:47
Dec 14 12:13:33.149 INFO [stderr]     |
Dec 14 12:13:33.149 INFO [stderr] 117 |                     cells_to_update.push(&mut world[n][n_2]);
Dec 14 12:13:33.149 INFO [stderr]     |                                               ^^^^^^^^^^^^^ mutable borrow starts here in previous iteration of loop
Dec 14 12:13:33.149 INFO [stderr] ...
Dec 14 12:13:33.149 INFO [stderr] 131 | }
Dec 14 12:13:33.149 INFO [stderr]     | - mutable borrow ends here
Dec 14 12:13:33.149 INFO [stderr] 
Dec 14 12:13:33.149 INFO [stderr] error[E0499]: cannot borrow `world[..][..]` as mutable more than once at a time
Dec 14 12:13:33.149 INFO [stderr]    --> src/main.rs:121:43
Dec 14 12:13:33.149 INFO [stderr]     |
Dec 14 12:13:33.149 INFO [stderr] 117 |                     cells_to_update.push(&mut world[n][n_2]);
Dec 14 12:13:33.149 INFO [stderr]     |                                               ------------- first mutable borrow occurs here
Dec 14 12:13:33.149 INFO [stderr] ...
Dec 14 12:13:33.149 INFO [stderr] 121 |                 cells_to_update.push(&mut world[n][n_2]);
Dec 14 12:13:33.149 INFO [stderr]     |                                           ^^^^^^^^^^^^^ second mutable borrow occurs here
Dec 14 12:13:33.149 INFO [stderr] ...
Dec 14 12:13:33.149 INFO [stderr] 131 | }
Dec 14 12:13:33.149 INFO [stderr]     | - first borrow ends here
Dec 14 12:13:33.149 INFO [stderr] 
Dec 14 12:13:33.149 INFO [stderr] error: aborting due to 3 previous errors
Dec 14 12:13:33.149 INFO [stderr] 
Dec 14 12:13:33.149 INFO [stderr] Some errors occurred: E0499, E0502.
Dec 14 12:13:33.149 INFO [stderr] For more information about an error, try `rustc --explain E0499`.
Dec 14 12:13:33.157 INFO [stderr] error: Could not compile `local_hack_day_2018`.
Dec 14 12:13:33.157 INFO [stderr] 
Dec 14 12:13:33.157 INFO [stderr] To learn more, run the command again with --verbose.
Dec 14 12:13:33.158 INFO [stderr] su: No module specific data is present
Dec 14 12:13:33.368 INFO running `"docker" "inspect" "8067974b7e072db0d02ae0bdc7dc6aff87fe9c6b66142c6d2262473de39b814c"`
Dec 14 12:13:33.447 INFO running `"docker" "rm" "-f" "8067974b7e072db0d02ae0bdc7dc6aff87fe9c6b66142c6d2262473de39b814c"`
Dec 14 12:13:33.535 INFO [stdout] 8067974b7e072db0d02ae0bdc7dc6aff87fe9c6b66142c6d2262473de39b814c