Dec 06 16:08:35.901 INFO testing AGausmann/tictactoe-rust against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 16:08:35.901 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06 16:08:36.332 INFO [stdout] 2f5953f47f34168b2860e7c7ee1b28f860e095cbf29a5fc3a706f9cfee9819b5
Dec 06 16:08:36.336 INFO running `"docker" "start" "-a" "2f5953f47f34168b2860e7c7ee1b28f860e095cbf29a5fc3a706f9cfee9819b5"`
Dec 06 16:08:37.308 INFO [stderr] usermod: no changes
Dec 06 16:08:37.339 INFO [stderr]    Compiling tic_tac_toe v0.1.0 (/source)
Dec 06 16:08:37.704 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.704 INFO [stderr]   --> src/main.rs:93:9
Dec 06 16:08:37.704 INFO [stderr]    |
Dec 06 16:08:37.704 INFO [stderr] 85 |             'col: for j in 0..3 {
Dec 06 16:08:37.704 INFO [stderr]    |             ---- first declared here
Dec 06 16:08:37.704 INFO [stderr] ...
Dec 06 16:08:37.704 INFO [stderr] 93 |         'col: for j in 0..3 {
Dec 06 16:08:37.704 INFO [stderr]    |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.704 INFO [stderr] 
Dec 06 16:08:37.704 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.704 INFO [stderr]   --> src/main.rs:94:13
Dec 06 16:08:37.704 INFO [stderr]    |
Dec 06 16:08:37.704 INFO [stderr] 84 |         'row: for i in 0..3 {
Dec 06 16:08:37.704 INFO [stderr]    |         ---- first declared here
Dec 06 16:08:37.704 INFO [stderr] ...
Dec 06 16:08:37.704 INFO [stderr] 94 |             'row: for i in 0..3 {
Dec 06 16:08:37.704 INFO [stderr]    |             ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.704 INFO [stderr] 
Dec 06 16:08:37.704 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.704 INFO [stderr]    --> src/main.rs:118:9
Dec 06 16:08:37.704 INFO [stderr]     |
Dec 06 16:08:37.704 INFO [stderr] 84  |         'row: for i in 0..3 {
Dec 06 16:08:37.704 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.704 INFO [stderr] ...
Dec 06 16:08:37.704 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 06 16:08:37.704 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:118:9
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.705 INFO [stderr] 94  |             'row: for i in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:37.705 INFO [stderr] ...
Dec 06 16:08:37.705 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:119:13
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.705 INFO [stderr] 85  |             'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:37.705 INFO [stderr] ...
Dec 06 16:08:37.705 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:119:13
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.705 INFO [stderr] 93  |         'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.705 INFO [stderr] ...
Dec 06 16:08:37.705 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:127:9
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.705 INFO [stderr] 85  |             'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:37.705 INFO [stderr] ...
Dec 06 16:08:37.705 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:127:9
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.705 INFO [stderr] 93  |         'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.705 INFO [stderr] ...
Dec 06 16:08:37.705 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:127:9
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.705 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:37.705 INFO [stderr] ...
Dec 06 16:08:37.705 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:128:13
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.705 INFO [stderr] 84  |         'row: for i in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.705 INFO [stderr] ...
Dec 06 16:08:37.705 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:128:13
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.705 INFO [stderr] 94  |             'row: for i in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:37.705 INFO [stderr] ...
Dec 06 16:08:37.705 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:128:13
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.705 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.705 INFO [stderr] ...
Dec 06 16:08:37.705 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 06 16:08:37.705 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.705 INFO [stderr] 
Dec 06 16:08:37.705 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.705 INFO [stderr]    --> src/main.rs:190:5
Dec 06 16:08:37.705 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:192:9
Dec 06 16:08:37.706 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:230:5
Dec 06 16:08:37.706 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:230:5
Dec 06 16:08:37.706 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:232:9
Dec 06 16:08:37.706 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:232:9
Dec 06 16:08:37.706 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:244:5
Dec 06 16:08:37.706 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:244:5
Dec 06 16:08:37.706 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:244:5
Dec 06 16:08:37.706 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:246:9
Dec 06 16:08:37.706 INFO [stderr]     |
Dec 06 16:08:37.706 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:37.706 INFO [stderr] ...
Dec 06 16:08:37.706 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 06 16:08:37.706 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.706 INFO [stderr] 
Dec 06 16:08:37.706 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.706 INFO [stderr]    --> src/main.rs:246:9
Dec 06 16:08:37.707 INFO [stderr]     |
Dec 06 16:08:37.707 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 06 16:08:37.707 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:37.707 INFO [stderr] ...
Dec 06 16:08:37.707 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 06 16:08:37.707 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.707 INFO [stderr] 
Dec 06 16:08:37.707 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:37.707 INFO [stderr]    --> src/main.rs:246:9
Dec 06 16:08:37.707 INFO [stderr]     |
Dec 06 16:08:37.707 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 06 16:08:37.707 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:37.707 INFO [stderr] ...
Dec 06 16:08:37.707 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 06 16:08:37.707 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:37.707 INFO [stderr] 
Dec 06 16:08:37.796 INFO [stderr] warning: value assigned to `cell_count` is never read
Dec 06 16:08:37.797 INFO [stderr]    --> src/main.rs:172:13
Dec 06 16:08:37.797 INFO [stderr]     |
Dec 06 16:08:37.797 INFO [stderr] 172 |     let mut cell_count = 0;
Dec 06 16:08:37.797 INFO [stderr]     |             ^^^^^^^^^^
Dec 06 16:08:37.797 INFO [stderr]     |
Dec 06 16:08:37.797 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 06 16:08:37.797 INFO [stderr] 
Dec 06 16:08:37.820 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:37.820 INFO [stderr]    --> src/main.rs:186:13
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr] 186 |             board.set_o(empty_cell);
Dec 06 16:08:37.821 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 16:08:37.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:37.821 INFO [stderr] 
Dec 06 16:08:37.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:37.821 INFO [stderr]    --> src/main.rs:200:13
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr] 200 |             board.set_o(empty_cell);
Dec 06 16:08:37.821 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:37.821 INFO [stderr] 
Dec 06 16:08:37.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:37.821 INFO [stderr]    --> src/main.rs:213:9
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr] 213 |         board.set_o(empty_cell);
Dec 06 16:08:37.821 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:37.821 INFO [stderr] 
Dec 06 16:08:37.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:37.821 INFO [stderr]    --> src/main.rs:225:9
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr] 225 |         board.set_o(empty_cell);
Dec 06 16:08:37.821 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:37.821 INFO [stderr] 
Dec 06 16:08:37.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:37.821 INFO [stderr]    --> src/main.rs:240:13
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr] 240 |             board.set_o(empty_cell);
Dec 06 16:08:37.821 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:37.821 INFO [stderr] 
Dec 06 16:08:37.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:37.821 INFO [stderr]    --> src/main.rs:254:13
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr] 254 |             board.set_o(empty_cell);
Dec 06 16:08:37.821 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:37.821 INFO [stderr] 
Dec 06 16:08:37.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:37.821 INFO [stderr]    --> src/main.rs:267:9
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr] 267 |         board.set_o(empty_cell);
Dec 06 16:08:37.821 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:37.821 INFO [stderr] 
Dec 06 16:08:37.821 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:37.821 INFO [stderr]    --> src/main.rs:279:9
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr] 279 |         board.set_o(empty_cell);
Dec 06 16:08:37.821 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:37.821 INFO [stderr]     |
Dec 06 16:08:37.821 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:37.821 INFO [stderr] 
Dec 06 16:08:38.260 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 06 16:08:38.260 INFO [stderr] su: No module specific data is present
Dec 06 16:08:38.783 INFO running `"docker" "inspect" "2f5953f47f34168b2860e7c7ee1b28f860e095cbf29a5fc3a706f9cfee9819b5"`
Dec 06 16:08:38.915 INFO running `"docker" "rm" "-f" "2f5953f47f34168b2860e7c7ee1b28f860e095cbf29a5fc3a706f9cfee9819b5"`
Dec 06 16:08:39.006 INFO [stdout] 2f5953f47f34168b2860e7c7ee1b28f860e095cbf29a5fc3a706f9cfee9819b5
Dec 06 16:08:39.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 06 16:08:39.172 INFO [stdout] 5ed68759e2b581180a917878f0d0f6ad945c677945ceec6b2201e1c926f7e702
Dec 06 16:08:39.178 INFO running `"docker" "start" "-a" "5ed68759e2b581180a917878f0d0f6ad945c677945ceec6b2201e1c926f7e702"`
Dec 06 16:08:39.580 INFO [stderr] usermod: no changes
Dec 06 16:08:39.605 INFO [stderr]    Compiling tic_tac_toe v0.1.0 (/source)
Dec 06 16:08:40.044 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.044 INFO [stderr]   --> src/main.rs:93:9
Dec 06 16:08:40.046 INFO [stderr]    |
Dec 06 16:08:40.046 INFO [stderr] 85 |             'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]    |             ---- first declared here
Dec 06 16:08:40.046 INFO [stderr] ...
Dec 06 16:08:40.046 INFO [stderr] 93 |         'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]    |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.046 INFO [stderr] 
Dec 06 16:08:40.046 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.046 INFO [stderr]   --> src/main.rs:94:13
Dec 06 16:08:40.046 INFO [stderr]    |
Dec 06 16:08:40.046 INFO [stderr] 84 |         'row: for i in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]    |         ---- first declared here
Dec 06 16:08:40.046 INFO [stderr] ...
Dec 06 16:08:40.046 INFO [stderr] 94 |             'row: for i in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]    |             ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.046 INFO [stderr] 
Dec 06 16:08:40.046 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.046 INFO [stderr]    --> src/main.rs:118:9
Dec 06 16:08:40.046 INFO [stderr]     |
Dec 06 16:08:40.046 INFO [stderr] 84  |         'row: for i in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.046 INFO [stderr] ...
Dec 06 16:08:40.046 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.046 INFO [stderr] 
Dec 06 16:08:40.046 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.046 INFO [stderr]    --> src/main.rs:118:9
Dec 06 16:08:40.046 INFO [stderr]     |
Dec 06 16:08:40.046 INFO [stderr] 94  |             'row: for i in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:40.046 INFO [stderr] ...
Dec 06 16:08:40.046 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.046 INFO [stderr] 
Dec 06 16:08:40.046 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.046 INFO [stderr]    --> src/main.rs:119:13
Dec 06 16:08:40.046 INFO [stderr]     |
Dec 06 16:08:40.046 INFO [stderr] 85  |             'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:40.046 INFO [stderr] ...
Dec 06 16:08:40.046 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.046 INFO [stderr] 
Dec 06 16:08:40.046 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.046 INFO [stderr]    --> src/main.rs:119:13
Dec 06 16:08:40.046 INFO [stderr]     |
Dec 06 16:08:40.046 INFO [stderr] 93  |         'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.046 INFO [stderr] ...
Dec 06 16:08:40.046 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.046 INFO [stderr] 
Dec 06 16:08:40.046 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.046 INFO [stderr]    --> src/main.rs:127:9
Dec 06 16:08:40.046 INFO [stderr]     |
Dec 06 16:08:40.046 INFO [stderr] 85  |             'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:40.046 INFO [stderr] ...
Dec 06 16:08:40.046 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.046 INFO [stderr] 
Dec 06 16:08:40.046 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.046 INFO [stderr]    --> src/main.rs:127:9
Dec 06 16:08:40.046 INFO [stderr]     |
Dec 06 16:08:40.046 INFO [stderr] 93  |         'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.046 INFO [stderr] ...
Dec 06 16:08:40.046 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 06 16:08:40.046 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.046 INFO [stderr] 
Dec 06 16:08:40.046 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.046 INFO [stderr]    --> src/main.rs:127:9
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.047 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.047 INFO [stderr] 
Dec 06 16:08:40.047 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.047 INFO [stderr]    --> src/main.rs:128:13
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 84  |         'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.047 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.047 INFO [stderr] 
Dec 06 16:08:40.047 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.047 INFO [stderr]    --> src/main.rs:128:13
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 94  |             'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |             ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.047 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.047 INFO [stderr] 
Dec 06 16:08:40.047 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.047 INFO [stderr]    --> src/main.rs:128:13
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.047 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.047 INFO [stderr] 
Dec 06 16:08:40.047 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.047 INFO [stderr]    --> src/main.rs:190:5
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.047 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.047 INFO [stderr] 
Dec 06 16:08:40.047 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.047 INFO [stderr]    --> src/main.rs:192:9
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.047 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.047 INFO [stderr] 
Dec 06 16:08:40.047 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.047 INFO [stderr]    --> src/main.rs:230:5
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.047 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.047 INFO [stderr] 
Dec 06 16:08:40.047 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.047 INFO [stderr]    --> src/main.rs:230:5
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.047 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.047 INFO [stderr] 
Dec 06 16:08:40.047 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.047 INFO [stderr]    --> src/main.rs:232:9
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.047 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.047 INFO [stderr] 
Dec 06 16:08:40.047 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.047 INFO [stderr]    --> src/main.rs:232:9
Dec 06 16:08:40.047 INFO [stderr]     |
Dec 06 16:08:40.047 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 06 16:08:40.047 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:40.047 INFO [stderr] ...
Dec 06 16:08:40.048 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.048 INFO [stderr] 
Dec 06 16:08:40.048 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.048 INFO [stderr]    --> src/main.rs:244:5
Dec 06 16:08:40.048 INFO [stderr]     |
Dec 06 16:08:40.048 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.048 INFO [stderr] ...
Dec 06 16:08:40.048 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.048 INFO [stderr] 
Dec 06 16:08:40.048 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.048 INFO [stderr]    --> src/main.rs:244:5
Dec 06 16:08:40.048 INFO [stderr]     |
Dec 06 16:08:40.048 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:40.048 INFO [stderr] ...
Dec 06 16:08:40.048 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.048 INFO [stderr] 
Dec 06 16:08:40.048 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 06 16:08:40.048 INFO [stderr]    --> src/main.rs:244:5
Dec 06 16:08:40.048 INFO [stderr]     |
Dec 06 16:08:40.048 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.048 INFO [stderr] ...
Dec 06 16:08:40.048 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 06 16:08:40.048 INFO [stderr] 
Dec 06 16:08:40.048 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.048 INFO [stderr]    --> src/main.rs:246:9
Dec 06 16:08:40.048 INFO [stderr]     |
Dec 06 16:08:40.048 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:40.048 INFO [stderr] ...
Dec 06 16:08:40.048 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.048 INFO [stderr] 
Dec 06 16:08:40.048 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.048 INFO [stderr]    --> src/main.rs:246:9
Dec 06 16:08:40.048 INFO [stderr]     |
Dec 06 16:08:40.048 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |         ---- first declared here
Dec 06 16:08:40.048 INFO [stderr] ...
Dec 06 16:08:40.048 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.048 INFO [stderr] 
Dec 06 16:08:40.048 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 06 16:08:40.048 INFO [stderr]    --> src/main.rs:246:9
Dec 06 16:08:40.048 INFO [stderr]     |
Dec 06 16:08:40.048 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |     ---- first declared here
Dec 06 16:08:40.048 INFO [stderr] ...
Dec 06 16:08:40.048 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 06 16:08:40.048 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 06 16:08:40.048 INFO [stderr] 
Dec 06 16:08:40.167 INFO [stderr] warning: value assigned to `cell_count` is never read
Dec 06 16:08:40.167 INFO [stderr]    --> src/main.rs:172:13
Dec 06 16:08:40.167 INFO [stderr]     |
Dec 06 16:08:40.167 INFO [stderr] 172 |     let mut cell_count = 0;
Dec 06 16:08:40.167 INFO [stderr]     |             ^^^^^^^^^^
Dec 06 16:08:40.167 INFO [stderr]     |
Dec 06 16:08:40.167 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 06 16:08:40.167 INFO [stderr] 
Dec 06 16:08:40.220 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:40.220 INFO [stderr]    --> src/main.rs:186:13
Dec 06 16:08:40.220 INFO [stderr]     |
Dec 06 16:08:40.220 INFO [stderr] 186 |             board.set_o(empty_cell);
Dec 06 16:08:40.220 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:40.220 INFO [stderr]     |
Dec 06 16:08:40.220 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 06 16:08:40.221 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:40.221 INFO [stderr] 
Dec 06 16:08:40.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:40.221 INFO [stderr]    --> src/main.rs:200:13
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr] 200 |             board.set_o(empty_cell);
Dec 06 16:08:40.221 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:40.221 INFO [stderr] 
Dec 06 16:08:40.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:40.221 INFO [stderr]    --> src/main.rs:213:9
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr] 213 |         board.set_o(empty_cell);
Dec 06 16:08:40.221 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:40.221 INFO [stderr] 
Dec 06 16:08:40.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:40.221 INFO [stderr]    --> src/main.rs:225:9
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr] 225 |         board.set_o(empty_cell);
Dec 06 16:08:40.221 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:40.221 INFO [stderr] 
Dec 06 16:08:40.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:40.221 INFO [stderr]    --> src/main.rs:240:13
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr] 240 |             board.set_o(empty_cell);
Dec 06 16:08:40.221 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:40.221 INFO [stderr] 
Dec 06 16:08:40.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:40.221 INFO [stderr]    --> src/main.rs:254:13
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr] 254 |             board.set_o(empty_cell);
Dec 06 16:08:40.221 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:40.221 INFO [stderr] 
Dec 06 16:08:40.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:40.221 INFO [stderr]    --> src/main.rs:267:9
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr] 267 |         board.set_o(empty_cell);
Dec 06 16:08:40.221 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:40.221 INFO [stderr] 
Dec 06 16:08:40.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 06 16:08:40.221 INFO [stderr]    --> src/main.rs:279:9
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr] 279 |         board.set_o(empty_cell);
Dec 06 16:08:40.221 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 06 16:08:40.221 INFO [stderr]     |
Dec 06 16:08:40.221 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 06 16:08:40.221 INFO [stderr] 
Dec 06 16:08:40.541 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Dec 06 16:08:40.543 INFO [stderr] su: No module specific data is present
Dec 06 16:08:40.892 INFO running `"docker" "inspect" "5ed68759e2b581180a917878f0d0f6ad945c677945ceec6b2201e1c926f7e702"`
Dec 06 16:08:40.961 INFO running `"docker" "rm" "-f" "5ed68759e2b581180a917878f0d0f6ad945c677945ceec6b2201e1c926f7e702"`
Dec 06 16:08:41.036 INFO [stdout] 5ed68759e2b581180a917878f0d0f6ad945c677945ceec6b2201e1c926f7e702
Dec 06 16:08:41.040 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --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 06 16:08:41.201 INFO [stdout] 4fdf436c3fdc4a0ebaf447d41cffd948d94ca736da6b5622434511e5aca5e332
Dec 06 16:08:41.203 INFO running `"docker" "start" "-a" "4fdf436c3fdc4a0ebaf447d41cffd948d94ca736da6b5622434511e5aca5e332"`
Dec 06 16:08:41.592 INFO [stderr] usermod: no changes
Dec 06 16:08:41.638 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 06 16:08:41.644 INFO [stderr]      Running /target/debug/deps/tic_tac_toe-762e93edd4a239ff
Dec 06 16:08:41.644 INFO [stdout] 
Dec 06 16:08:41.644 INFO [stdout] running 0 tests
Dec 06 16:08:41.644 INFO [stdout] 
Dec 06 16:08:41.644 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 16:08:41.644 INFO [stdout] 
Dec 06 16:08:41.656 INFO [stderr] su: No module specific data is present
Dec 06 16:08:41.985 INFO running `"docker" "inspect" "4fdf436c3fdc4a0ebaf447d41cffd948d94ca736da6b5622434511e5aca5e332"`
Dec 06 16:08:42.094 INFO running `"docker" "rm" "-f" "4fdf436c3fdc4a0ebaf447d41cffd948d94ca736da6b5622434511e5aca5e332"`
Dec 06 16:08:42.248 INFO [stdout] 4fdf436c3fdc4a0ebaf447d41cffd948d94ca736da6b5622434511e5aca5e332