Dec 19 15:15:17.327 INFO checking jeromew21/rust-tic-tac-toe against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 15:15:17.327 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/jeromew21/rust-tic-tac-toe:/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 15:15:17.767 INFO [stdout] d8cc1dae5803f1fc15629a979238bd5dd83773b87a17c6653dc3f998a98a5da3
Dec 19 15:15:17.769 INFO running `"docker" "start" "-a" "d8cc1dae5803f1fc15629a979238bd5dd83773b87a17c6653dc3f998a98a5da3"`
Dec 19 15:15:19.690 INFO [stderr]     Checking tic-tac-toe v0.1.0 (/opt/crater/workdir)
Dec 19 15:15:20.107 INFO [stderr] warning: unreachable pattern
Dec 19 15:15:20.107 INFO [stderr]   --> src/ttt.rs:91:17
Dec 19 15:15:20.107 INFO [stderr]    |
Dec 19 15:15:20.107 INFO [stderr] 77 |                 space => {
Dec 19 15:15:20.107 INFO [stderr]    |                 ----- matches any value
Dec 19 15:15:20.107 INFO [stderr] ...
Dec 19 15:15:20.107 INFO [stderr] 91 |                 _ => panic!("Wrong turn")
Dec 19 15:15:20.107 INFO [stderr]    |                 ^ unreachable pattern
Dec 19 15:15:20.107 INFO [stderr]    |
Dec 19 15:15:20.107 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 19 15:15:20.107 INFO [stderr] 
Dec 19 15:15:20.107 INFO [stderr] warning: unused variable: `num`
Dec 19 15:15:20.107 INFO [stderr]    --> src/main.rs:138:17
Dec 19 15:15:20.107 INFO [stderr]     |
Dec 19 15:15:20.107 INFO [stderr] 138 |             let num = 
Dec 19 15:15:20.107 INFO [stderr]     |                 ^^^ help: consider using `_num` instead
Dec 19 15:15:20.107 INFO [stderr]     |
Dec 19 15:15:20.107 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:15:20.107 INFO [stderr] 
Dec 19 15:15:20.107 INFO [stderr] warning: unused variable: `error`
Dec 19 15:15:20.107 INFO [stderr]    --> src/main.rs:151:25
Dec 19 15:15:20.112 INFO [stderr]     |
Dec 19 15:15:20.112 INFO [stderr] 151 |                     Err(error) => {
Dec 19 15:15:20.112 INFO [stderr]     |                         ^^^^^ help: consider using `_error` instead
Dec 19 15:15:20.112 INFO [stderr] 
Dec 19 15:15:20.112 INFO [stderr] warning: unused variable: `space`
Dec 19 15:15:20.112 INFO [stderr]   --> src/ttt.rs:75:54
Dec 19 15:15:20.112 INFO [stderr]    |
Dec 19 15:15:20.112 INFO [stderr] 75 |         pub fn make_move(&mut self, location: usize, space: &Space) -> bool {
Dec 19 15:15:20.112 INFO [stderr]    |                                                      ^^^^^ help: consider using `_space` instead
Dec 19 15:15:20.112 INFO [stderr] 
Dec 19 15:15:20.112 INFO [stderr] warning: unused variable: `c`
Dec 19 15:15:20.112 INFO [stderr]    --> src/ttt.rs:183:29
Dec 19 15:15:20.112 INFO [stderr]     |
Dec 19 15:15:20.112 INFO [stderr] 183 |                 if let Some(c) = i.move_index {
Dec 19 15:15:20.112 INFO [stderr]     |                             ^ help: consider using `_c` instead
Dec 19 15:15:20.112 INFO [stderr] 
Dec 19 15:15:20.147 INFO [stderr] warning: comparison is useless due to type limits
Dec 19 15:15:20.147 INFO [stderr]   --> src/ttt.rs:78:24
Dec 19 15:15:20.147 INFO [stderr]    |
Dec 19 15:15:20.147 INFO [stderr] 78 |                     if location < 0 || location > 8 {
Dec 19 15:15:20.147 INFO [stderr]    |                        ^^^^^^^^^^^^
Dec 19 15:15:20.147 INFO [stderr]    |
Dec 19 15:15:20.147 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 19 15:15:20.147 INFO [stderr] 
Dec 19 15:15:20.147 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:15:20.147 INFO [stderr]   --> src/main.rs:39:5
Dec 19 15:15:20.147 INFO [stderr]    |
Dec 19 15:15:20.147 INFO [stderr] 39 |     std::io::stdout().flush();
Dec 19 15:15:20.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:15:20.147 INFO [stderr]    |
Dec 19 15:15:20.147 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:15:20.147 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:15:20.147 INFO [stderr] 
Dec 19 15:15:20.147 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:15:20.147 INFO [stderr]   --> src/main.rs:66:13
Dec 19 15:15:20.147 INFO [stderr]    |
Dec 19 15:15:20.147 INFO [stderr] 66 |             File::create(RECORD_FILE);
Dec 19 15:15:20.147 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:15:20.147 INFO [stderr]    |
Dec 19 15:15:20.147 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:15:20.147 INFO [stderr] 
Dec 19 15:15:20.147 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:15:20.147 INFO [stderr]   --> src/main.rs:82:5
Dec 19 15:15:20.147 INFO [stderr]    |
Dec 19 15:15:20.147 INFO [stderr] 82 |     fs::write(RECORD_FILE, data);
Dec 19 15:15:20.147 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:15:20.148 INFO [stderr]    |
Dec 19 15:15:20.148 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:15:20.148 INFO [stderr] 
Dec 19 15:15:20.260 INFO [stderr] warning: unreachable pattern
Dec 19 15:15:20.260 INFO [stderr]   --> src/ttt.rs:91:17
Dec 19 15:15:20.260 INFO [stderr]    |
Dec 19 15:15:20.260 INFO [stderr] 77 |                 space => {
Dec 19 15:15:20.260 INFO [stderr]    |                 ----- matches any value
Dec 19 15:15:20.260 INFO [stderr] ...
Dec 19 15:15:20.260 INFO [stderr] 91 |                 _ => panic!("Wrong turn")
Dec 19 15:15:20.260 INFO [stderr]    |                 ^ unreachable pattern
Dec 19 15:15:20.260 INFO [stderr]    |
Dec 19 15:15:20.260 INFO [stderr]    = note: #[warn(unreachable_patterns)] on by default
Dec 19 15:15:20.260 INFO [stderr] 
Dec 19 15:15:20.260 INFO [stderr] warning: unused variable: `num`
Dec 19 15:15:20.260 INFO [stderr]    --> src/main.rs:138:17
Dec 19 15:15:20.260 INFO [stderr]     |
Dec 19 15:15:20.261 INFO [stderr] 138 |             let num = 
Dec 19 15:15:20.261 INFO [stderr]     |                 ^^^ help: consider using `_num` instead
Dec 19 15:15:20.261 INFO [stderr]     |
Dec 19 15:15:20.261 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 15:15:20.261 INFO [stderr] 
Dec 19 15:15:20.261 INFO [stderr] warning: unused variable: `error`
Dec 19 15:15:20.261 INFO [stderr]    --> src/main.rs:151:25
Dec 19 15:15:20.261 INFO [stderr]     |
Dec 19 15:15:20.261 INFO [stderr] 151 |                     Err(error) => {
Dec 19 15:15:20.261 INFO [stderr]     |                         ^^^^^ help: consider using `_error` instead
Dec 19 15:15:20.261 INFO [stderr] 
Dec 19 15:15:20.261 INFO [stderr] warning: unused variable: `space`
Dec 19 15:15:20.261 INFO [stderr]   --> src/ttt.rs:75:54
Dec 19 15:15:20.261 INFO [stderr]    |
Dec 19 15:15:20.261 INFO [stderr] 75 |         pub fn make_move(&mut self, location: usize, space: &Space) -> bool {
Dec 19 15:15:20.261 INFO [stderr]    |                                                      ^^^^^ help: consider using `_space` instead
Dec 19 15:15:20.261 INFO [stderr] 
Dec 19 15:15:20.261 INFO [stderr] warning: unused variable: `c`
Dec 19 15:15:20.261 INFO [stderr]    --> src/ttt.rs:183:29
Dec 19 15:15:20.261 INFO [stderr]     |
Dec 19 15:15:20.261 INFO [stderr] 183 |                 if let Some(c) = i.move_index {
Dec 19 15:15:20.261 INFO [stderr]     |                             ^ help: consider using `_c` instead
Dec 19 15:15:20.261 INFO [stderr] 
Dec 19 15:15:20.294 INFO [stderr] warning: comparison is useless due to type limits
Dec 19 15:15:20.294 INFO [stderr]   --> src/ttt.rs:78:24
Dec 19 15:15:20.294 INFO [stderr]    |
Dec 19 15:15:20.294 INFO [stderr] 78 |                     if location < 0 || location > 8 {
Dec 19 15:15:20.294 INFO [stderr]    |                        ^^^^^^^^^^^^
Dec 19 15:15:20.294 INFO [stderr]    |
Dec 19 15:15:20.294 INFO [stderr]    = note: #[warn(unused_comparisons)] on by default
Dec 19 15:15:20.294 INFO [stderr] 
Dec 19 15:15:20.294 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:15:20.294 INFO [stderr]   --> src/main.rs:39:5
Dec 19 15:15:20.294 INFO [stderr]    |
Dec 19 15:15:20.294 INFO [stderr] 39 |     std::io::stdout().flush();
Dec 19 15:15:20.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:15:20.294 INFO [stderr]    |
Dec 19 15:15:20.294 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 15:15:20.294 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:15:20.294 INFO [stderr] 
Dec 19 15:15:20.294 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:15:20.294 INFO [stderr]   --> src/main.rs:66:13
Dec 19 15:15:20.294 INFO [stderr]    |
Dec 19 15:15:20.294 INFO [stderr] 66 |             File::create(RECORD_FILE);
Dec 19 15:15:20.294 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:15:20.294 INFO [stderr]    |
Dec 19 15:15:20.294 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:15:20.294 INFO [stderr] 
Dec 19 15:15:20.294 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 15:15:20.294 INFO [stderr]   --> src/main.rs:82:5
Dec 19 15:15:20.294 INFO [stderr]    |
Dec 19 15:15:20.294 INFO [stderr] 82 |     fs::write(RECORD_FILE, data);
Dec 19 15:15:20.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 15:15:20.294 INFO [stderr]    |
Dec 19 15:15:20.294 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 15:15:20.294 INFO [stderr] 
Dec 19 15:15:20.317 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 19 15:15:20.734 INFO running `"docker" "inspect" "d8cc1dae5803f1fc15629a979238bd5dd83773b87a17c6653dc3f998a98a5da3"`
Dec 19 15:15:20.984 INFO running `"docker" "rm" "-f" "d8cc1dae5803f1fc15629a979238bd5dd83773b87a17c6653dc3f998a98a5da3"`
Dec 19 15:15:21.196 INFO [stdout] d8cc1dae5803f1fc15629a979238bd5dd83773b87a17c6653dc3f998a98a5da3