Dec 14 12:37:24.571 INFO testing AGausmann/tictactoe-rust against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 12:37:24.571 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 12:37:25.080 INFO [stdout] eb9ccdde06135bfb55e005e9f1111fe70fe2ce5c150db71557436e4b825f1785
Dec 14 12:37:25.088 INFO running `"docker" "start" "-a" "eb9ccdde06135bfb55e005e9f1111fe70fe2ce5c150db71557436e4b825f1785"`
Dec 14 12:37:26.942 INFO [stderr] usermod: no changes
Dec 14 12:37:27.043 INFO [stderr]    Compiling tic_tac_toe v0.1.0 (/source)
Dec 14 12:37:27.711 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.711 INFO [stderr]   --> src/main.rs:93:9
Dec 14 12:37:27.711 INFO [stderr]    |
Dec 14 12:37:27.711 INFO [stderr] 85 |             'col: for j in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]    |             ---- first declared here
Dec 14 12:37:27.711 INFO [stderr] ...
Dec 14 12:37:27.711 INFO [stderr] 93 |         'col: for j in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]    |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.711 INFO [stderr] 
Dec 14 12:37:27.711 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.711 INFO [stderr]   --> src/main.rs:94:13
Dec 14 12:37:27.711 INFO [stderr]    |
Dec 14 12:37:27.711 INFO [stderr] 84 |         'row: for i in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]    |         ---- first declared here
Dec 14 12:37:27.711 INFO [stderr] ...
Dec 14 12:37:27.711 INFO [stderr] 94 |             'row: for i in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]    |             ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.711 INFO [stderr] 
Dec 14 12:37:27.711 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.711 INFO [stderr]    --> src/main.rs:118:9
Dec 14 12:37:27.711 INFO [stderr]     |
Dec 14 12:37:27.711 INFO [stderr] 84  |         'row: for i in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.711 INFO [stderr] ...
Dec 14 12:37:27.711 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.711 INFO [stderr] 
Dec 14 12:37:27.711 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.711 INFO [stderr]    --> src/main.rs:118:9
Dec 14 12:37:27.711 INFO [stderr]     |
Dec 14 12:37:27.711 INFO [stderr] 94  |             'row: for i in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:27.711 INFO [stderr] ...
Dec 14 12:37:27.711 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.711 INFO [stderr] 
Dec 14 12:37:27.711 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.711 INFO [stderr]    --> src/main.rs:119:13
Dec 14 12:37:27.711 INFO [stderr]     |
Dec 14 12:37:27.711 INFO [stderr] 85  |             'col: for j in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:27.711 INFO [stderr] ...
Dec 14 12:37:27.711 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.711 INFO [stderr] 
Dec 14 12:37:27.711 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.711 INFO [stderr]    --> src/main.rs:119:13
Dec 14 12:37:27.711 INFO [stderr]     |
Dec 14 12:37:27.711 INFO [stderr] 93  |         'col: for j in 0..3 {
Dec 14 12:37:27.711 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.711 INFO [stderr] ...
Dec 14 12:37:27.712 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 14 12:37:27.712 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.712 INFO [stderr] 
Dec 14 12:37:27.723 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.723 INFO [stderr]    --> src/main.rs:127:9
Dec 14 12:37:27.723 INFO [stderr]     |
Dec 14 12:37:27.723 INFO [stderr] 85  |             'col: for j in 0..3 {
Dec 14 12:37:27.723 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:27.723 INFO [stderr] ...
Dec 14 12:37:27.723 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 14 12:37:27.723 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.723 INFO [stderr] 
Dec 14 12:37:27.723 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.723 INFO [stderr]    --> src/main.rs:127:9
Dec 14 12:37:27.723 INFO [stderr]     |
Dec 14 12:37:27.723 INFO [stderr] 93  |         'col: for j in 0..3 {
Dec 14 12:37:27.723 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.723 INFO [stderr] ...
Dec 14 12:37:27.723 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 14 12:37:27.723 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.723 INFO [stderr] 
Dec 14 12:37:27.723 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:127:9
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.724 INFO [stderr] 
Dec 14 12:37:27.724 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:128:13
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 84  |         'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.724 INFO [stderr] 
Dec 14 12:37:27.724 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:128:13
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 94  |             'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.724 INFO [stderr] 
Dec 14 12:37:27.724 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:128:13
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.724 INFO [stderr] 
Dec 14 12:37:27.724 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:190:5
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.724 INFO [stderr] 
Dec 14 12:37:27.724 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:192:9
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.724 INFO [stderr] 
Dec 14 12:37:27.724 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:230:5
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.724 INFO [stderr] 
Dec 14 12:37:27.724 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:230:5
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.724 INFO [stderr] 
Dec 14 12:37:27.724 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:232:9
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.724 INFO [stderr] 
Dec 14 12:37:27.724 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.724 INFO [stderr]    --> src/main.rs:232:9
Dec 14 12:37:27.724 INFO [stderr]     |
Dec 14 12:37:27.724 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:27.724 INFO [stderr] ...
Dec 14 12:37:27.724 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 14 12:37:27.724 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.725 INFO [stderr] 
Dec 14 12:37:27.725 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.725 INFO [stderr]    --> src/main.rs:244:5
Dec 14 12:37:27.725 INFO [stderr]     |
Dec 14 12:37:27.725 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.725 INFO [stderr] ...
Dec 14 12:37:27.725 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.725 INFO [stderr] 
Dec 14 12:37:27.725 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.725 INFO [stderr]    --> src/main.rs:244:5
Dec 14 12:37:27.725 INFO [stderr]     |
Dec 14 12:37:27.725 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:27.725 INFO [stderr] ...
Dec 14 12:37:27.725 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.725 INFO [stderr] 
Dec 14 12:37:27.725 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:27.725 INFO [stderr]    --> src/main.rs:244:5
Dec 14 12:37:27.725 INFO [stderr]     |
Dec 14 12:37:27.725 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.725 INFO [stderr] ...
Dec 14 12:37:27.725 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 14 12:37:27.725 INFO [stderr] 
Dec 14 12:37:27.725 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.725 INFO [stderr]    --> src/main.rs:246:9
Dec 14 12:37:27.725 INFO [stderr]     |
Dec 14 12:37:27.725 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:27.725 INFO [stderr] ...
Dec 14 12:37:27.725 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.725 INFO [stderr] 
Dec 14 12:37:27.725 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.725 INFO [stderr]    --> src/main.rs:246:9
Dec 14 12:37:27.725 INFO [stderr]     |
Dec 14 12:37:27.725 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:27.725 INFO [stderr] ...
Dec 14 12:37:27.725 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.725 INFO [stderr] 
Dec 14 12:37:27.725 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:27.725 INFO [stderr]    --> src/main.rs:246:9
Dec 14 12:37:27.725 INFO [stderr]     |
Dec 14 12:37:27.725 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:27.725 INFO [stderr] ...
Dec 14 12:37:27.725 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 14 12:37:27.725 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:27.725 INFO [stderr] 
Dec 14 12:37:27.848 INFO [stderr] warning: value assigned to `cell_count` is never read
Dec 14 12:37:27.848 INFO [stderr]    --> src/main.rs:172:13
Dec 14 12:37:27.848 INFO [stderr]     |
Dec 14 12:37:27.848 INFO [stderr] 172 |     let mut cell_count = 0;
Dec 14 12:37:27.848 INFO [stderr]     |             ^^^^^^^^^^
Dec 14 12:37:27.848 INFO [stderr]     |
Dec 14 12:37:27.848 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 14 12:37:27.848 INFO [stderr] 
Dec 14 12:37:27.881 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:27.881 INFO [stderr]    --> src/main.rs:186:13
Dec 14 12:37:27.881 INFO [stderr]     |
Dec 14 12:37:27.881 INFO [stderr] 186 |             board.set_o(empty_cell);
Dec 14 12:37:27.881 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:27.881 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 12:37:27.882 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:27.882 INFO [stderr] 
Dec 14 12:37:27.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:27.882 INFO [stderr]    --> src/main.rs:200:13
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr] 200 |             board.set_o(empty_cell);
Dec 14 12:37:27.882 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:27.882 INFO [stderr] 
Dec 14 12:37:27.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:27.882 INFO [stderr]    --> src/main.rs:213:9
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr] 213 |         board.set_o(empty_cell);
Dec 14 12:37:27.882 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:27.882 INFO [stderr] 
Dec 14 12:37:27.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:27.882 INFO [stderr]    --> src/main.rs:225:9
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr] 225 |         board.set_o(empty_cell);
Dec 14 12:37:27.882 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:27.882 INFO [stderr] 
Dec 14 12:37:27.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:27.882 INFO [stderr]    --> src/main.rs:240:13
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr] 240 |             board.set_o(empty_cell);
Dec 14 12:37:27.882 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:27.882 INFO [stderr] 
Dec 14 12:37:27.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:27.882 INFO [stderr]    --> src/main.rs:254:13
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr] 254 |             board.set_o(empty_cell);
Dec 14 12:37:27.882 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:27.882 INFO [stderr] 
Dec 14 12:37:27.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:27.882 INFO [stderr]    --> src/main.rs:267:9
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr] 267 |         board.set_o(empty_cell);
Dec 14 12:37:27.882 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:27.882 INFO [stderr]     |
Dec 14 12:37:27.882 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:27.882 INFO [stderr] 
Dec 14 12:37:27.882 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:27.882 INFO [stderr]    --> src/main.rs:279:9
Dec 14 12:37:27.883 INFO [stderr]     |
Dec 14 12:37:27.883 INFO [stderr] 279 |         board.set_o(empty_cell);
Dec 14 12:37:27.883 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:27.883 INFO [stderr]     |
Dec 14 12:37:27.883 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:27.883 INFO [stderr] 
Dec 14 12:37:28.407 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 14 12:37:28.410 INFO [stderr] su: No module specific data is present
Dec 14 12:37:29.190 INFO running `"docker" "inspect" "eb9ccdde06135bfb55e005e9f1111fe70fe2ce5c150db71557436e4b825f1785"`
Dec 14 12:37:29.425 INFO running `"docker" "rm" "-f" "eb9ccdde06135bfb55e005e9f1111fe70fe2ce5c150db71557436e4b825f1785"`
Dec 14 12:37:29.699 INFO [stdout] eb9ccdde06135bfb55e005e9f1111fe70fe2ce5c150db71557436e4b825f1785
Dec 14 12:37:29.703 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 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 14 12:37:30.204 INFO [stdout] 37eda1c93fd102de860175b1cc835a1f6f566ff7e4b91546f139f584ce10298e
Dec 14 12:37:30.206 INFO running `"docker" "start" "-a" "37eda1c93fd102de860175b1cc835a1f6f566ff7e4b91546f139f584ce10298e"`
Dec 14 12:37:31.782 INFO [stderr] usermod: no changes
Dec 14 12:37:31.875 INFO [stderr]    Compiling tic_tac_toe v0.1.0 (/source)
Dec 14 12:37:32.479 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.479 INFO [stderr]   --> src/main.rs:93:9
Dec 14 12:37:32.479 INFO [stderr]    |
Dec 14 12:37:32.479 INFO [stderr] 85 |             'col: for j in 0..3 {
Dec 14 12:37:32.479 INFO [stderr]    |             ---- first declared here
Dec 14 12:37:32.479 INFO [stderr] ...
Dec 14 12:37:32.479 INFO [stderr] 93 |         'col: for j in 0..3 {
Dec 14 12:37:32.479 INFO [stderr]    |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.479 INFO [stderr] 
Dec 14 12:37:32.479 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.479 INFO [stderr]   --> src/main.rs:94:13
Dec 14 12:37:32.479 INFO [stderr]    |
Dec 14 12:37:32.480 INFO [stderr] 84 |         'row: for i in 0..3 {
Dec 14 12:37:32.480 INFO [stderr]    |         ---- first declared here
Dec 14 12:37:32.480 INFO [stderr] ...
Dec 14 12:37:32.480 INFO [stderr] 94 |             'row: for i in 0..3 {
Dec 14 12:37:32.480 INFO [stderr]    |             ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.480 INFO [stderr] 
Dec 14 12:37:32.480 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.480 INFO [stderr]    --> src/main.rs:118:9
Dec 14 12:37:32.480 INFO [stderr]     |
Dec 14 12:37:32.480 INFO [stderr] 84  |         'row: for i in 0..3 {
Dec 14 12:37:32.480 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.480 INFO [stderr] ...
Dec 14 12:37:32.480 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 14 12:37:32.480 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.480 INFO [stderr] 
Dec 14 12:37:32.480 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.480 INFO [stderr]    --> src/main.rs:118:9
Dec 14 12:37:32.480 INFO [stderr]     |
Dec 14 12:37:32.480 INFO [stderr] 94  |             'row: for i in 0..3 {
Dec 14 12:37:32.480 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:32.480 INFO [stderr] ...
Dec 14 12:37:32.480 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 14 12:37:32.480 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.480 INFO [stderr] 
Dec 14 12:37:32.480 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.480 INFO [stderr]    --> src/main.rs:119:13
Dec 14 12:37:32.480 INFO [stderr]     |
Dec 14 12:37:32.480 INFO [stderr] 85  |             'col: for j in 0..3 {
Dec 14 12:37:32.480 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:32.480 INFO [stderr] ...
Dec 14 12:37:32.480 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 14 12:37:32.480 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.480 INFO [stderr] 
Dec 14 12:37:32.480 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.480 INFO [stderr]    --> src/main.rs:119:13
Dec 14 12:37:32.480 INFO [stderr]     |
Dec 14 12:37:32.480 INFO [stderr] 93  |         'col: for j in 0..3 {
Dec 14 12:37:32.480 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.480 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:127:9
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 85  |             'col: for j in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:127:9
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 93  |         'col: for j in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:127:9
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 119 |             'col: for j in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 127 |         'col: for j in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:128:13
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 84  |         'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:128:13
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 94  |             'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |             ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:128:13
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 118 |         'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 128 |             'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:190:5
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:192:9
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:230:5
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.481 INFO [stderr] 
Dec 14 12:37:32.481 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.481 INFO [stderr]    --> src/main.rs:230:5
Dec 14 12:37:32.481 INFO [stderr]     |
Dec 14 12:37:32.481 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.481 INFO [stderr] ...
Dec 14 12:37:32.481 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 14 12:37:32.481 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.482 INFO [stderr] 
Dec 14 12:37:32.482 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.482 INFO [stderr]    --> src/main.rs:232:9
Dec 14 12:37:32.482 INFO [stderr]     |
Dec 14 12:37:32.482 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.482 INFO [stderr] ...
Dec 14 12:37:32.482 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.482 INFO [stderr] 
Dec 14 12:37:32.482 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.482 INFO [stderr]    --> src/main.rs:232:9
Dec 14 12:37:32.482 INFO [stderr]     |
Dec 14 12:37:32.482 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:32.482 INFO [stderr] ...
Dec 14 12:37:32.482 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.482 INFO [stderr] 
Dec 14 12:37:32.482 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.482 INFO [stderr]    --> src/main.rs:244:5
Dec 14 12:37:32.482 INFO [stderr]     |
Dec 14 12:37:32.482 INFO [stderr] 178 |         'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.482 INFO [stderr] ...
Dec 14 12:37:32.482 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.482 INFO [stderr] 
Dec 14 12:37:32.482 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.482 INFO [stderr]    --> src/main.rs:244:5
Dec 14 12:37:32.482 INFO [stderr]     |
Dec 14 12:37:32.482 INFO [stderr] 190 |     'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:32.482 INFO [stderr] ...
Dec 14 12:37:32.482 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.482 INFO [stderr] 
Dec 14 12:37:32.482 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Dec 14 12:37:32.482 INFO [stderr]    --> src/main.rs:244:5
Dec 14 12:37:32.482 INFO [stderr]     |
Dec 14 12:37:32.482 INFO [stderr] 232 |         'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.482 INFO [stderr] ...
Dec 14 12:37:32.482 INFO [stderr] 244 |     'col: for j in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Dec 14 12:37:32.482 INFO [stderr] 
Dec 14 12:37:32.482 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.482 INFO [stderr]    --> src/main.rs:246:9
Dec 14 12:37:32.482 INFO [stderr]     |
Dec 14 12:37:32.482 INFO [stderr] 176 |     'row: for i in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:32.482 INFO [stderr] ...
Dec 14 12:37:32.482 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.482 INFO [stderr] 
Dec 14 12:37:32.482 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.482 INFO [stderr]    --> src/main.rs:246:9
Dec 14 12:37:32.482 INFO [stderr]     |
Dec 14 12:37:32.482 INFO [stderr] 192 |         'row: for i in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |         ---- first declared here
Dec 14 12:37:32.482 INFO [stderr] ...
Dec 14 12:37:32.482 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.482 INFO [stderr] 
Dec 14 12:37:32.482 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Dec 14 12:37:32.482 INFO [stderr]    --> src/main.rs:246:9
Dec 14 12:37:32.482 INFO [stderr]     |
Dec 14 12:37:32.482 INFO [stderr] 230 |     'row: for i in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |     ---- first declared here
Dec 14 12:37:32.482 INFO [stderr] ...
Dec 14 12:37:32.482 INFO [stderr] 246 |         'row: for i in 0..3 {
Dec 14 12:37:32.482 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Dec 14 12:37:32.482 INFO [stderr] 
Dec 14 12:37:32.577 INFO [stderr] warning: value assigned to `cell_count` is never read
Dec 14 12:37:32.577 INFO [stderr]    --> src/main.rs:172:13
Dec 14 12:37:32.577 INFO [stderr]     |
Dec 14 12:37:32.577 INFO [stderr] 172 |     let mut cell_count = 0;
Dec 14 12:37:32.577 INFO [stderr]     |             ^^^^^^^^^^
Dec 14 12:37:32.577 INFO [stderr]     |
Dec 14 12:37:32.577 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Dec 14 12:37:32.577 INFO [stderr] 
Dec 14 12:37:32.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:32.609 INFO [stderr]    --> src/main.rs:186:13
Dec 14 12:37:32.609 INFO [stderr]     |
Dec 14 12:37:32.609 INFO [stderr] 186 |             board.set_o(empty_cell);
Dec 14 12:37:32.609 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:32.609 INFO [stderr]     |
Dec 14 12:37:32.609 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 14 12:37:32.609 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:32.609 INFO [stderr] 
Dec 14 12:37:32.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:32.609 INFO [stderr]    --> src/main.rs:200:13
Dec 14 12:37:32.609 INFO [stderr]     |
Dec 14 12:37:32.609 INFO [stderr] 200 |             board.set_o(empty_cell);
Dec 14 12:37:32.609 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:32.609 INFO [stderr]     |
Dec 14 12:37:32.609 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:32.609 INFO [stderr] 
Dec 14 12:37:32.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:32.609 INFO [stderr]    --> src/main.rs:213:9
Dec 14 12:37:32.609 INFO [stderr]     |
Dec 14 12:37:32.609 INFO [stderr] 213 |         board.set_o(empty_cell);
Dec 14 12:37:32.609 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:32.609 INFO [stderr]     |
Dec 14 12:37:32.609 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:32.609 INFO [stderr] 
Dec 14 12:37:32.609 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:32.609 INFO [stderr]    --> src/main.rs:225:9
Dec 14 12:37:32.609 INFO [stderr]     |
Dec 14 12:37:32.609 INFO [stderr] 225 |         board.set_o(empty_cell);
Dec 14 12:37:32.609 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:32.609 INFO [stderr]     |
Dec 14 12:37:32.609 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:32.610 INFO [stderr] 
Dec 14 12:37:32.610 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:32.610 INFO [stderr]    --> src/main.rs:240:13
Dec 14 12:37:32.610 INFO [stderr]     |
Dec 14 12:37:32.610 INFO [stderr] 240 |             board.set_o(empty_cell);
Dec 14 12:37:32.610 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:32.610 INFO [stderr]     |
Dec 14 12:37:32.610 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:32.610 INFO [stderr] 
Dec 14 12:37:32.610 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:32.610 INFO [stderr]    --> src/main.rs:254:13
Dec 14 12:37:32.610 INFO [stderr]     |
Dec 14 12:37:32.610 INFO [stderr] 254 |             board.set_o(empty_cell);
Dec 14 12:37:32.610 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:32.610 INFO [stderr]     |
Dec 14 12:37:32.610 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:32.610 INFO [stderr] 
Dec 14 12:37:32.610 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:32.610 INFO [stderr]    --> src/main.rs:267:9
Dec 14 12:37:32.610 INFO [stderr]     |
Dec 14 12:37:32.610 INFO [stderr] 267 |         board.set_o(empty_cell);
Dec 14 12:37:32.610 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:32.610 INFO [stderr]     |
Dec 14 12:37:32.610 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:32.610 INFO [stderr] 
Dec 14 12:37:32.610 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 14 12:37:32.610 INFO [stderr]    --> src/main.rs:279:9
Dec 14 12:37:32.610 INFO [stderr]     |
Dec 14 12:37:32.610 INFO [stderr] 279 |         board.set_o(empty_cell);
Dec 14 12:37:32.610 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 14 12:37:32.610 INFO [stderr]     |
Dec 14 12:37:32.610 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 14 12:37:32.610 INFO [stderr] 
Dec 14 12:37:32.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Dec 14 12:37:32.931 INFO [stderr] su: No module specific data is present
Dec 14 12:37:33.748 INFO running `"docker" "inspect" "37eda1c93fd102de860175b1cc835a1f6f566ff7e4b91546f139f584ce10298e"`
Dec 14 12:37:34.096 INFO running `"docker" "rm" "-f" "37eda1c93fd102de860175b1cc835a1f6f566ff7e4b91546f139f584ce10298e"`
Dec 14 12:37:34.395 INFO [stdout] 37eda1c93fd102de860175b1cc835a1f6f566ff7e4b91546f139f584ce10298e
Dec 14 12:37:34.400 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 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 14 12:37:34.747 INFO [stdout] 9e8675a759eb9768eeb45714729b55e61926eb6874f81d30ac53ff6e03a0ba1d
Dec 14 12:37:34.751 INFO running `"docker" "start" "-a" "9e8675a759eb9768eeb45714729b55e61926eb6874f81d30ac53ff6e03a0ba1d"`
Dec 14 12:37:36.266 INFO [stderr] usermod: no changes
Dec 14 12:37:36.367 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 14 12:37:36.379 INFO [stdout] 
Dec 14 12:37:36.379 INFO [stdout] running 0 tests
Dec 14 12:37:36.379 INFO [stdout] 
Dec 14 12:37:36.379 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 12:37:36.379 INFO [stdout] 
Dec 14 12:37:36.379 INFO [stderr]      Running /target/debug/deps/tic_tac_toe-94dd43fd1a8a681b
Dec 14 12:37:36.379 INFO [stderr] su: No module specific data is present
Dec 14 12:37:37.559 INFO running `"docker" "inspect" "9e8675a759eb9768eeb45714729b55e61926eb6874f81d30ac53ff6e03a0ba1d"`
Dec 14 12:37:38.023 INFO running `"docker" "rm" "-f" "9e8675a759eb9768eeb45714729b55e61926eb6874f81d30ac53ff6e03a0ba1d"`
Dec 14 12:37:38.447 INFO [stdout] 9e8675a759eb9768eeb45714729b55e61926eb6874f81d30ac53ff6e03a0ba1d