Dec 17 13:48:14.556 INFO checking theHooloovoo/Game_of_Life-Rust against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 13:48:14.556 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/theHooloovoo/Game_of_Life-Rust:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:48:14.736 INFO [stdout] 4ff687e56eb55fbdb27dca3d66570d4bdd62ec29a54ee98216bb34136151d841
Dec 17 13:48:14.742 INFO running `"docker" "start" "-a" "4ff687e56eb55fbdb27dca3d66570d4bdd62ec29a54ee98216bb34136151d841"`
Dec 17 13:48:15.932 INFO [stderr]     Checking getopts v0.2.14
Dec 17 13:48:16.404 INFO [stderr]     Checking conway_rs v0.0.1 (/opt/crater/workdir)
Dec 17 13:48:16.548 INFO [stderr] warning: unused import: `std::error::Error`
Dec 17 13:48:16.548 INFO [stderr]  --> src/reader.rs:3:5
Dec 17 13:48:16.548 INFO [stderr]   |
Dec 17 13:48:16.548 INFO [stderr] 3 | use std::error::Error;
Dec 17 13:48:16.548 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 13:48:16.548 INFO [stderr]   |
Dec 17 13:48:16.548 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:48:16.548 INFO [stderr] 
Dec 17 13:48:16.568 INFO [stderr] warning: unused import: `std::error::Error`
Dec 17 13:48:16.568 INFO [stderr]  --> src/reader.rs:3:5
Dec 17 13:48:16.568 INFO [stderr]   |
Dec 17 13:48:16.568 INFO [stderr] 3 | use std::error::Error;
Dec 17 13:48:16.568 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 17 13:48:16.568 INFO [stderr]   |
Dec 17 13:48:16.568 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 13:48:16.568 INFO [stderr] 
Dec 17 13:48:16.628 INFO [stderr] warning: value assigned to `arg_file_name` is never read
Dec 17 13:48:16.628 INFO [stderr]   --> src/main.rs:28:13
Dec 17 13:48:16.628 INFO [stderr]    |
Dec 17 13:48:16.628 INFO [stderr] 28 |     let mut arg_file_name = "".to_string();
Dec 17 13:48:16.628 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 17 13:48:16.628 INFO [stderr]    |
Dec 17 13:48:16.628 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 13:48:16.628 INFO [stderr] 
Dec 17 13:48:16.628 INFO [stderr] warning: value assigned to `main_grid` is never read
Dec 17 13:48:16.628 INFO [stderr]   --> src/main.rs:58:25
Dec 17 13:48:16.628 INFO [stderr]    |
Dec 17 13:48:16.628 INFO [stderr] 58 |             Ok(data) => main_grid = grid::Grid::load_from_file_data(data),
Dec 17 13:48:16.628 INFO [stderr]    |                         ^^^^^^^^^
Dec 17 13:48:16.628 INFO [stderr] 
Dec 17 13:48:16.628 INFO [stderr] warning: value assigned to `cell_count` is never read
Dec 17 13:48:16.628 INFO [stderr]    --> src/grid.rs:107:17
Dec 17 13:48:16.628 INFO [stderr]     |
Dec 17 13:48:16.628 INFO [stderr] 107 |         let mut cell_count = 0;
Dec 17 13:48:16.628 INFO [stderr]     |                 ^^^^^^^^^^
Dec 17 13:48:16.628 INFO [stderr] 
Dec 17 13:48:16.643 INFO [stderr] warning: unused comparison that must be used
Dec 17 13:48:16.643 INFO [stderr]    --> src/grid.rs:150:33
Dec 17 13:48:16.643 INFO [stderr]     |
Dec 17 13:48:16.643 INFO [stderr] 150 |         if self.state == true { self.state == false; }
Dec 17 13:48:16.643 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
Dec 17 13:48:16.643 INFO [stderr]     |
Dec 17 13:48:16.643 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 13:48:16.643 INFO [stderr] 
Dec 17 13:48:16.643 INFO [stderr] warning: unused comparison that must be used
Dec 17 13:48:16.643 INFO [stderr]    --> src/grid.rs:151:33
Dec 17 13:48:16.643 INFO [stderr]     |
Dec 17 13:48:16.643 INFO [stderr] 151 |         else                  { self.state == true;  }
Dec 17 13:48:16.643 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^
Dec 17 13:48:16.643 INFO [stderr] 
Dec 17 13:48:16.684 INFO [stderr] warning: value assigned to `arg_file_name` is never read
Dec 17 13:48:16.684 INFO [stderr]   --> src/main.rs:28:13
Dec 17 13:48:16.684 INFO [stderr]    |
Dec 17 13:48:16.684 INFO [stderr] 28 |     let mut arg_file_name = "".to_string();
Dec 17 13:48:16.684 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 17 13:48:16.684 INFO [stderr]    |
Dec 17 13:48:16.684 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 17 13:48:16.684 INFO [stderr] 
Dec 17 13:48:16.684 INFO [stderr] warning: value assigned to `main_grid` is never read
Dec 17 13:48:16.684 INFO [stderr]   --> src/main.rs:58:25
Dec 17 13:48:16.684 INFO [stderr]    |
Dec 17 13:48:16.684 INFO [stderr] 58 |             Ok(data) => main_grid = grid::Grid::load_from_file_data(data),
Dec 17 13:48:16.684 INFO [stderr]    |                         ^^^^^^^^^
Dec 17 13:48:16.684 INFO [stderr] 
Dec 17 13:48:16.684 INFO [stderr] warning: value assigned to `cell_count` is never read
Dec 17 13:48:16.684 INFO [stderr]    --> src/grid.rs:107:17
Dec 17 13:48:16.684 INFO [stderr]     |
Dec 17 13:48:16.684 INFO [stderr] 107 |         let mut cell_count = 0;
Dec 17 13:48:16.685 INFO [stderr]     |                 ^^^^^^^^^^
Dec 17 13:48:16.685 INFO [stderr] 
Dec 17 13:48:16.720 INFO [stderr] warning: unused comparison that must be used
Dec 17 13:48:16.720 INFO [stderr]    --> src/grid.rs:150:33
Dec 17 13:48:16.720 INFO [stderr]     |
Dec 17 13:48:16.720 INFO [stderr] 150 |         if self.state == true { self.state == false; }
Dec 17 13:48:16.720 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
Dec 17 13:48:16.720 INFO [stderr]     |
Dec 17 13:48:16.720 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 13:48:16.720 INFO [stderr] 
Dec 17 13:48:16.720 INFO [stderr] warning: unused comparison that must be used
Dec 17 13:48:16.720 INFO [stderr]    --> src/grid.rs:151:33
Dec 17 13:48:16.720 INFO [stderr]     |
Dec 17 13:48:16.720 INFO [stderr] 151 |         else                  { self.state == true;  }
Dec 17 13:48:16.720 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^
Dec 17 13:48:16.720 INFO [stderr] 
Dec 17 13:48:16.752 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
Dec 17 13:48:17.768 INFO running `"docker" "inspect" "4ff687e56eb55fbdb27dca3d66570d4bdd62ec29a54ee98216bb34136151d841"`
Dec 17 13:48:18.072 INFO running `"docker" "rm" "-f" "4ff687e56eb55fbdb27dca3d66570d4bdd62ec29a54ee98216bb34136151d841"`
Dec 17 13:48:18.316 INFO [stdout] 4ff687e56eb55fbdb27dca3d66570d4bdd62ec29a54ee98216bb34136151d841