Dec 19 07:17:28.090 INFO checking theHooloovoo/Game_of_Life-Rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 07:17:28.090 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:17:28.753 INFO [stdout] aa47f2c2aa568c08508af1b804d567a24f95f642e2a358188366f458b14fd272
Dec 19 07:17:28.760 INFO running `"docker" "start" "-a" "aa47f2c2aa568c08508af1b804d567a24f95f642e2a358188366f458b14fd272"`
Dec 19 07:17:30.181 INFO [stderr]     Checking conway_rs v0.0.1 (/opt/crater/workdir)
Dec 19 07:17:30.368 INFO [stderr] warning: unused import: `std::error::Error`
Dec 19 07:17:30.368 INFO [stderr]  --> src/reader.rs:3:5
Dec 19 07:17:30.368 INFO [stderr]   |
Dec 19 07:17:30.368 INFO [stderr] 3 | use std::error::Error;
Dec 19 07:17:30.368 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 07:17:30.368 INFO [stderr]   |
Dec 19 07:17:30.368 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:17:30.368 INFO [stderr] 
Dec 19 07:17:30.420 INFO [stderr] warning: unused import: `std::error::Error`
Dec 19 07:17:30.420 INFO [stderr]  --> src/reader.rs:3:5
Dec 19 07:17:30.420 INFO [stderr]   |
Dec 19 07:17:30.420 INFO [stderr] 3 | use std::error::Error;
Dec 19 07:17:30.420 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 19 07:17:30.420 INFO [stderr]   |
Dec 19 07:17:30.420 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:17:30.420 INFO [stderr] 
Dec 19 07:17:30.544 INFO [stderr] warning: value assigned to `arg_file_name` is never read
Dec 19 07:17:30.544 INFO [stderr]   --> src/main.rs:28:13
Dec 19 07:17:30.544 INFO [stderr]    |
Dec 19 07:17:30.544 INFO [stderr] 28 |     let mut arg_file_name = "".to_string();
Dec 19 07:17:30.544 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 19 07:17:30.544 INFO [stderr]    |
Dec 19 07:17:30.544 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 07:17:30.544 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 07:17:30.544 INFO [stderr] 
Dec 19 07:17:30.544 INFO [stderr] warning: value assigned to `main_grid` is never read
Dec 19 07:17:30.544 INFO [stderr]   --> src/main.rs:58:25
Dec 19 07:17:30.544 INFO [stderr]    |
Dec 19 07:17:30.544 INFO [stderr] 58 |             Ok(data) => main_grid = grid::Grid::load_from_file_data(data),
Dec 19 07:17:30.544 INFO [stderr]    |                         ^^^^^^^^^
Dec 19 07:17:30.544 INFO [stderr]    |
Dec 19 07:17:30.544 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 07:17:30.544 INFO [stderr] 
Dec 19 07:17:30.544 INFO [stderr] warning: value assigned to `cell_count` is never read
Dec 19 07:17:30.544 INFO [stderr]    --> src/grid.rs:107:17
Dec 19 07:17:30.544 INFO [stderr]     |
Dec 19 07:17:30.544 INFO [stderr] 107 |         let mut cell_count = 0;
Dec 19 07:17:30.544 INFO [stderr]     |                 ^^^^^^^^^^
Dec 19 07:17:30.544 INFO [stderr]     |
Dec 19 07:17:30.544 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 07:17:30.544 INFO [stderr] 
Dec 19 07:17:30.550 INFO [stderr] warning: unused comparison that must be used
Dec 19 07:17:30.550 INFO [stderr]    --> src/grid.rs:150:33
Dec 19 07:17:30.550 INFO [stderr]     |
Dec 19 07:17:30.550 INFO [stderr] 150 |         if self.state == true { self.state == false; }
Dec 19 07:17:30.550 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
Dec 19 07:17:30.550 INFO [stderr]     |
Dec 19 07:17:30.550 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 07:17:30.550 INFO [stderr] 
Dec 19 07:17:30.550 INFO [stderr] warning: unused comparison that must be used
Dec 19 07:17:30.550 INFO [stderr]    --> src/grid.rs:151:33
Dec 19 07:17:30.551 INFO [stderr]     |
Dec 19 07:17:30.551 INFO [stderr] 151 |         else                  { self.state == true;  }
Dec 19 07:17:30.551 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^
Dec 19 07:17:30.551 INFO [stderr] 
Dec 19 07:17:30.576 INFO [stderr] warning: value assigned to `arg_file_name` is never read
Dec 19 07:17:30.576 INFO [stderr]   --> src/main.rs:28:13
Dec 19 07:17:30.576 INFO [stderr]    |
Dec 19 07:17:30.576 INFO [stderr] 28 |     let mut arg_file_name = "".to_string();
Dec 19 07:17:30.576 INFO [stderr]    |             ^^^^^^^^^^^^^
Dec 19 07:17:30.576 INFO [stderr]    |
Dec 19 07:17:30.576 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 07:17:30.576 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 07:17:30.576 INFO [stderr] 
Dec 19 07:17:30.576 INFO [stderr] warning: value assigned to `main_grid` is never read
Dec 19 07:17:30.576 INFO [stderr]   --> src/main.rs:58:25
Dec 19 07:17:30.576 INFO [stderr]    |
Dec 19 07:17:30.576 INFO [stderr] 58 |             Ok(data) => main_grid = grid::Grid::load_from_file_data(data),
Dec 19 07:17:30.576 INFO [stderr]    |                         ^^^^^^^^^
Dec 19 07:17:30.576 INFO [stderr]    |
Dec 19 07:17:30.576 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 07:17:30.576 INFO [stderr] 
Dec 19 07:17:30.576 INFO [stderr] warning: value assigned to `cell_count` is never read
Dec 19 07:17:30.576 INFO [stderr]    --> src/grid.rs:107:17
Dec 19 07:17:30.577 INFO [stderr]     |
Dec 19 07:17:30.577 INFO [stderr] 107 |         let mut cell_count = 0;
Dec 19 07:17:30.577 INFO [stderr]     |                 ^^^^^^^^^^
Dec 19 07:17:30.577 INFO [stderr]     |
Dec 19 07:17:30.577 INFO [stderr]     = help: maybe it is overwritten before being read?
Dec 19 07:17:30.577 INFO [stderr] 
Dec 19 07:17:30.596 INFO [stderr] warning: unused comparison that must be used
Dec 19 07:17:30.596 INFO [stderr]    --> src/grid.rs:150:33
Dec 19 07:17:30.596 INFO [stderr]     |
Dec 19 07:17:30.596 INFO [stderr] 150 |         if self.state == true { self.state == false; }
Dec 19 07:17:30.596 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^
Dec 19 07:17:30.596 INFO [stderr]     |
Dec 19 07:17:30.596 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 07:17:30.596 INFO [stderr] 
Dec 19 07:17:30.596 INFO [stderr] warning: unused comparison that must be used
Dec 19 07:17:30.596 INFO [stderr]    --> src/grid.rs:151:33
Dec 19 07:17:30.596 INFO [stderr]     |
Dec 19 07:17:30.596 INFO [stderr] 151 |         else                  { self.state == true;  }
Dec 19 07:17:30.596 INFO [stderr]     |                                 ^^^^^^^^^^^^^^^^^^
Dec 19 07:17:30.596 INFO [stderr] 
Dec 19 07:17:30.618 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 19 07:17:31.414 INFO running `"docker" "inspect" "aa47f2c2aa568c08508af1b804d567a24f95f642e2a358188366f458b14fd272"`
Dec 19 07:17:31.699 INFO running `"docker" "rm" "-f" "aa47f2c2aa568c08508af1b804d567a24f95f642e2a358188366f458b14fd272"`
Dec 19 07:17:31.976 INFO [stdout] aa47f2c2aa568c08508af1b804d567a24f95f642e2a358188366f458b14fd272