Nov 28 14:49:27.437 INFO checking AGausmann/tictactoe-rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 14:49:27.437 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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"`
Nov 28 14:49:28.034 INFO [stdout] 778b022cf802d6974e98759d1d1f948fe2f86b2a3ff7ca332fd3457e9e3e29e9
Nov 28 14:49:28.036 INFO running `"docker" "start" "-a" "778b022cf802d6974e98759d1d1f948fe2f86b2a3ff7ca332fd3457e9e3e29e9"`
Nov 28 14:49:29.812 INFO [stderr] usermod: no changes
Nov 28 14:49:29.875 INFO [stderr]     Checking tic_tac_toe v0.1.0 (/source)
Nov 28 14:49:30.440 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.440 INFO [stderr]   --> src/main.rs:93:9
Nov 28 14:49:30.440 INFO [stderr]    |
Nov 28 14:49:30.440 INFO [stderr] 85 |             'col: for j in 0..3 {
Nov 28 14:49:30.440 INFO [stderr]    |             ---- first declared here
Nov 28 14:49:30.440 INFO [stderr] ...
Nov 28 14:49:30.440 INFO [stderr] 93 |         'col: for j in 0..3 {
Nov 28 14:49:30.440 INFO [stderr]    |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.440 INFO [stderr] 
Nov 28 14:49:30.440 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.440 INFO [stderr]   --> src/main.rs:94:13
Nov 28 14:49:30.440 INFO [stderr]    |
Nov 28 14:49:30.440 INFO [stderr] 84 |         'row: for i in 0..3 {
Nov 28 14:49:30.440 INFO [stderr]    |         ---- first declared here
Nov 28 14:49:30.440 INFO [stderr] ...
Nov 28 14:49:30.440 INFO [stderr] 94 |             'row: for i in 0..3 {
Nov 28 14:49:30.440 INFO [stderr]    |             ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.440 INFO [stderr] 
Nov 28 14:49:30.440 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.440 INFO [stderr]    --> src/main.rs:118:9
Nov 28 14:49:30.440 INFO [stderr]     |
Nov 28 14:49:30.440 INFO [stderr] 84  |         'row: for i in 0..3 {
Nov 28 14:49:30.440 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.440 INFO [stderr] ...
Nov 28 14:49:30.440 INFO [stderr] 118 |         'row: for i in 0..3 {
Nov 28 14:49:30.440 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.440 INFO [stderr] 
Nov 28 14:49:30.440 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.440 INFO [stderr]    --> src/main.rs:118:9
Nov 28 14:49:30.440 INFO [stderr]     |
Nov 28 14:49:30.440 INFO [stderr] 94  |             'row: for i in 0..3 {
Nov 28 14:49:30.440 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.440 INFO [stderr] ...
Nov 28 14:49:30.440 INFO [stderr] 118 |         'row: for i in 0..3 {
Nov 28 14:49:30.440 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.440 INFO [stderr] 
Nov 28 14:49:30.440 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.440 INFO [stderr]    --> src/main.rs:119:13
Nov 28 14:49:30.440 INFO [stderr]     |
Nov 28 14:49:30.441 INFO [stderr] 85  |             'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.441 INFO [stderr] ...
Nov 28 14:49:30.441 INFO [stderr] 119 |             'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.441 INFO [stderr] 
Nov 28 14:49:30.441 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.441 INFO [stderr]    --> src/main.rs:119:13
Nov 28 14:49:30.441 INFO [stderr]     |
Nov 28 14:49:30.441 INFO [stderr] 93  |         'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.441 INFO [stderr] ...
Nov 28 14:49:30.441 INFO [stderr] 119 |             'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.441 INFO [stderr] 
Nov 28 14:49:30.441 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.441 INFO [stderr]    --> src/main.rs:127:9
Nov 28 14:49:30.441 INFO [stderr]     |
Nov 28 14:49:30.441 INFO [stderr] 85  |             'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.441 INFO [stderr] ...
Nov 28 14:49:30.441 INFO [stderr] 127 |         'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.441 INFO [stderr] 
Nov 28 14:49:30.441 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.441 INFO [stderr]    --> src/main.rs:127:9
Nov 28 14:49:30.441 INFO [stderr]     |
Nov 28 14:49:30.441 INFO [stderr] 93  |         'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.441 INFO [stderr] ...
Nov 28 14:49:30.441 INFO [stderr] 127 |         'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.441 INFO [stderr] 
Nov 28 14:49:30.441 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.441 INFO [stderr]    --> src/main.rs:127:9
Nov 28 14:49:30.441 INFO [stderr]     |
Nov 28 14:49:30.441 INFO [stderr] 119 |             'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.441 INFO [stderr] ...
Nov 28 14:49:30.441 INFO [stderr] 127 |         'col: for j in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.441 INFO [stderr] 
Nov 28 14:49:30.441 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.441 INFO [stderr]    --> src/main.rs:128:13
Nov 28 14:49:30.441 INFO [stderr]     |
Nov 28 14:49:30.441 INFO [stderr] 84  |         'row: for i in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.441 INFO [stderr] ...
Nov 28 14:49:30.441 INFO [stderr] 128 |             'row: for i in 0..3 {
Nov 28 14:49:30.441 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.448 INFO [stderr] 
Nov 28 14:49:30.448 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.448 INFO [stderr]    --> src/main.rs:128:13
Nov 28 14:49:30.448 INFO [stderr]     |
Nov 28 14:49:30.448 INFO [stderr] 94  |             'row: for i in 0..3 {
Nov 28 14:49:30.448 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.448 INFO [stderr] ...
Nov 28 14:49:30.448 INFO [stderr] 128 |             'row: for i in 0..3 {
Nov 28 14:49:30.448 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.448 INFO [stderr] 
Nov 28 14:49:30.448 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.448 INFO [stderr]    --> src/main.rs:128:13
Nov 28 14:49:30.448 INFO [stderr]     |
Nov 28 14:49:30.448 INFO [stderr] 118 |         'row: for i in 0..3 {
Nov 28 14:49:30.448 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.448 INFO [stderr] ...
Nov 28 14:49:30.448 INFO [stderr] 128 |             'row: for i in 0..3 {
Nov 28 14:49:30.448 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.448 INFO [stderr] 
Nov 28 14:49:30.448 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.448 INFO [stderr]    --> src/main.rs:190:5
Nov 28 14:49:30.448 INFO [stderr]     |
Nov 28 14:49:30.448 INFO [stderr] 178 |         'col: for j in 0..3 {
Nov 28 14:49:30.448 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.448 INFO [stderr] ...
Nov 28 14:49:30.448 INFO [stderr] 190 |     'col: for j in 0..3 {
Nov 28 14:49:30.448 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.448 INFO [stderr] 
Nov 28 14:49:30.448 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.448 INFO [stderr]    --> src/main.rs:192:9
Nov 28 14:49:30.448 INFO [stderr]     |
Nov 28 14:49:30.448 INFO [stderr] 176 |     'row: for i in 0..3 {
Nov 28 14:49:30.448 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.448 INFO [stderr] ...
Nov 28 14:49:30.448 INFO [stderr] 192 |         'row: for i in 0..3 {
Nov 28 14:49:30.448 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.448 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:230:5
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 176 |     'row: for i in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.449 INFO [stderr] ...
Nov 28 14:49:30.449 INFO [stderr] 230 |     'row: for i in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.449 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:230:5
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 192 |         'row: for i in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.449 INFO [stderr] ...
Nov 28 14:49:30.449 INFO [stderr] 230 |     'row: for i in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.449 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:232:9
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 178 |         'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.449 INFO [stderr] ...
Nov 28 14:49:30.449 INFO [stderr] 232 |         'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.449 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:232:9
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 190 |     'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.449 INFO [stderr] ...
Nov 28 14:49:30.449 INFO [stderr] 232 |         'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.449 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:244:5
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 178 |         'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.449 INFO [stderr] ...
Nov 28 14:49:30.449 INFO [stderr] 244 |     'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.449 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:244:5
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 190 |     'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.449 INFO [stderr] ...
Nov 28 14:49:30.449 INFO [stderr] 244 |     'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.449 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:244:5
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 232 |         'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.449 INFO [stderr] ...
Nov 28 14:49:30.449 INFO [stderr] 244 |     'col: for j in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.449 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:246:9
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 176 |     'row: for i in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.449 INFO [stderr] ...
Nov 28 14:49:30.449 INFO [stderr] 246 |         'row: for i in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.449 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:246:9
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 192 |         'row: for i in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.449 INFO [stderr] ...
Nov 28 14:49:30.449 INFO [stderr] 246 |         'row: for i in 0..3 {
Nov 28 14:49:30.449 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.449 INFO [stderr] 
Nov 28 14:49:30.449 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.449 INFO [stderr]    --> src/main.rs:246:9
Nov 28 14:49:30.449 INFO [stderr]     |
Nov 28 14:49:30.449 INFO [stderr] 230 |     'row: for i in 0..3 {
Nov 28 14:49:30.450 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.450 INFO [stderr] ...
Nov 28 14:49:30.450 INFO [stderr] 246 |         'row: for i in 0..3 {
Nov 28 14:49:30.450 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.450 INFO [stderr] 
Nov 28 14:49:30.553 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.554 INFO [stderr]   --> src/main.rs:93:9
Nov 28 14:49:30.554 INFO [stderr]    |
Nov 28 14:49:30.554 INFO [stderr] 85 |             'col: for j in 0..3 {
Nov 28 14:49:30.554 INFO [stderr]    |             ---- first declared here
Nov 28 14:49:30.554 INFO [stderr] ...
Nov 28 14:49:30.554 INFO [stderr] 93 |         'col: for j in 0..3 {
Nov 28 14:49:30.554 INFO [stderr]    |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.554 INFO [stderr] 
Nov 28 14:49:30.554 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.554 INFO [stderr]   --> src/main.rs:94:13
Nov 28 14:49:30.554 INFO [stderr]    |
Nov 28 14:49:30.554 INFO [stderr] 84 |         'row: for i in 0..3 {
Nov 28 14:49:30.554 INFO [stderr]    |         ---- first declared here
Nov 28 14:49:30.554 INFO [stderr] ...
Nov 28 14:49:30.554 INFO [stderr] 94 |             'row: for i in 0..3 {
Nov 28 14:49:30.554 INFO [stderr]    |             ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.554 INFO [stderr] 
Nov 28 14:49:30.554 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.554 INFO [stderr]    --> src/main.rs:118:9
Nov 28 14:49:30.554 INFO [stderr]     |
Nov 28 14:49:30.554 INFO [stderr] 84  |         'row: for i in 0..3 {
Nov 28 14:49:30.554 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.554 INFO [stderr] ...
Nov 28 14:49:30.554 INFO [stderr] 118 |         'row: for i in 0..3 {
Nov 28 14:49:30.555 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.555 INFO [stderr] 
Nov 28 14:49:30.555 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.555 INFO [stderr]    --> src/main.rs:118:9
Nov 28 14:49:30.555 INFO [stderr]     |
Nov 28 14:49:30.555 INFO [stderr] 94  |             'row: for i in 0..3 {
Nov 28 14:49:30.555 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.555 INFO [stderr] ...
Nov 28 14:49:30.555 INFO [stderr] 118 |         'row: for i in 0..3 {
Nov 28 14:49:30.555 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.555 INFO [stderr] 
Nov 28 14:49:30.555 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.555 INFO [stderr]    --> src/main.rs:119:13
Nov 28 14:49:30.555 INFO [stderr]     |
Nov 28 14:49:30.555 INFO [stderr] 85  |             'col: for j in 0..3 {
Nov 28 14:49:30.555 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.555 INFO [stderr] ...
Nov 28 14:49:30.555 INFO [stderr] 119 |             'col: for j in 0..3 {
Nov 28 14:49:30.555 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.555 INFO [stderr] 
Nov 28 14:49:30.555 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.555 INFO [stderr]    --> src/main.rs:119:13
Nov 28 14:49:30.555 INFO [stderr]     |
Nov 28 14:49:30.556 INFO [stderr] 93  |         'col: for j in 0..3 {
Nov 28 14:49:30.556 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.556 INFO [stderr] ...
Nov 28 14:49:30.556 INFO [stderr] 119 |             'col: for j in 0..3 {
Nov 28 14:49:30.556 INFO [stderr]     |             ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.556 INFO [stderr] 
Nov 28 14:49:30.556 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.556 INFO [stderr]    --> src/main.rs:127:9
Nov 28 14:49:30.556 INFO [stderr]     |
Nov 28 14:49:30.556 INFO [stderr] 85  |             'col: for j in 0..3 {
Nov 28 14:49:30.556 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.556 INFO [stderr] ...
Nov 28 14:49:30.556 INFO [stderr] 127 |         'col: for j in 0..3 {
Nov 28 14:49:30.556 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.556 INFO [stderr] 
Nov 28 14:49:30.556 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.556 INFO [stderr]    --> src/main.rs:127:9
Nov 28 14:49:30.556 INFO [stderr]     |
Nov 28 14:49:30.556 INFO [stderr] 93  |         'col: for j in 0..3 {
Nov 28 14:49:30.556 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.556 INFO [stderr] ...
Nov 28 14:49:30.556 INFO [stderr] 127 |         'col: for j in 0..3 {
Nov 28 14:49:30.556 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.557 INFO [stderr] 
Nov 28 14:49:30.557 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.557 INFO [stderr]    --> src/main.rs:127:9
Nov 28 14:49:30.557 INFO [stderr]     |
Nov 28 14:49:30.557 INFO [stderr] 119 |             'col: for j in 0..3 {
Nov 28 14:49:30.557 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.557 INFO [stderr] ...
Nov 28 14:49:30.557 INFO [stderr] 127 |         'col: for j in 0..3 {
Nov 28 14:49:30.557 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.557 INFO [stderr] 
Nov 28 14:49:30.557 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.557 INFO [stderr]    --> src/main.rs:128:13
Nov 28 14:49:30.557 INFO [stderr]     |
Nov 28 14:49:30.557 INFO [stderr] 84  |         'row: for i in 0..3 {
Nov 28 14:49:30.557 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.557 INFO [stderr] ...
Nov 28 14:49:30.557 INFO [stderr] 128 |             'row: for i in 0..3 {
Nov 28 14:49:30.557 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.557 INFO [stderr] 
Nov 28 14:49:30.557 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.557 INFO [stderr]    --> src/main.rs:128:13
Nov 28 14:49:30.557 INFO [stderr]     |
Nov 28 14:49:30.557 INFO [stderr] 94  |             'row: for i in 0..3 {
Nov 28 14:49:30.557 INFO [stderr]     |             ---- first declared here
Nov 28 14:49:30.558 INFO [stderr] ...
Nov 28 14:49:30.558 INFO [stderr] 128 |             'row: for i in 0..3 {
Nov 28 14:49:30.558 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.558 INFO [stderr] 
Nov 28 14:49:30.558 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.558 INFO [stderr]    --> src/main.rs:128:13
Nov 28 14:49:30.558 INFO [stderr]     |
Nov 28 14:49:30.558 INFO [stderr] 118 |         'row: for i in 0..3 {
Nov 28 14:49:30.558 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.558 INFO [stderr] ...
Nov 28 14:49:30.558 INFO [stderr] 128 |             'row: for i in 0..3 {
Nov 28 14:49:30.558 INFO [stderr]     |             ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.558 INFO [stderr] 
Nov 28 14:49:30.558 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.558 INFO [stderr]    --> src/main.rs:190:5
Nov 28 14:49:30.558 INFO [stderr]     |
Nov 28 14:49:30.558 INFO [stderr] 178 |         'col: for j in 0..3 {
Nov 28 14:49:30.558 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.558 INFO [stderr] ...
Nov 28 14:49:30.558 INFO [stderr] 190 |     'col: for j in 0..3 {
Nov 28 14:49:30.558 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.558 INFO [stderr] 
Nov 28 14:49:30.558 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.558 INFO [stderr]    --> src/main.rs:192:9
Nov 28 14:49:30.559 INFO [stderr]     |
Nov 28 14:49:30.559 INFO [stderr] 176 |     'row: for i in 0..3 {
Nov 28 14:49:30.559 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.559 INFO [stderr] ...
Nov 28 14:49:30.559 INFO [stderr] 192 |         'row: for i in 0..3 {
Nov 28 14:49:30.559 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.559 INFO [stderr] 
Nov 28 14:49:30.559 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.559 INFO [stderr]    --> src/main.rs:230:5
Nov 28 14:49:30.559 INFO [stderr]     |
Nov 28 14:49:30.559 INFO [stderr] 176 |     'row: for i in 0..3 {
Nov 28 14:49:30.559 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.559 INFO [stderr] ...
Nov 28 14:49:30.559 INFO [stderr] 230 |     'row: for i in 0..3 {
Nov 28 14:49:30.559 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.559 INFO [stderr] 
Nov 28 14:49:30.559 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.559 INFO [stderr]    --> src/main.rs:230:5
Nov 28 14:49:30.559 INFO [stderr]     |
Nov 28 14:49:30.559 INFO [stderr] 192 |         'row: for i in 0..3 {
Nov 28 14:49:30.559 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.559 INFO [stderr] ...
Nov 28 14:49:30.559 INFO [stderr] 230 |     'row: for i in 0..3 {
Nov 28 14:49:30.559 INFO [stderr]     |     ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.560 INFO [stderr] 
Nov 28 14:49:30.560 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.560 INFO [stderr]    --> src/main.rs:232:9
Nov 28 14:49:30.560 INFO [stderr]     |
Nov 28 14:49:30.560 INFO [stderr] 178 |         'col: for j in 0..3 {
Nov 28 14:49:30.560 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.560 INFO [stderr] ...
Nov 28 14:49:30.560 INFO [stderr] 232 |         'col: for j in 0..3 {
Nov 28 14:49:30.568 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.568 INFO [stderr] 
Nov 28 14:49:30.568 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.568 INFO [stderr]    --> src/main.rs:232:9
Nov 28 14:49:30.568 INFO [stderr]     |
Nov 28 14:49:30.568 INFO [stderr] 190 |     'col: for j in 0..3 {
Nov 28 14:49:30.568 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.568 INFO [stderr] ...
Nov 28 14:49:30.569 INFO [stderr] 232 |         'col: for j in 0..3 {
Nov 28 14:49:30.569 INFO [stderr]     |         ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.569 INFO [stderr] 
Nov 28 14:49:30.569 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.569 INFO [stderr]    --> src/main.rs:244:5
Nov 28 14:49:30.569 INFO [stderr]     |
Nov 28 14:49:30.569 INFO [stderr] 178 |         'col: for j in 0..3 {
Nov 28 14:49:30.569 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.569 INFO [stderr] ...
Nov 28 14:49:30.569 INFO [stderr] 244 |     'col: for j in 0..3 {
Nov 28 14:49:30.569 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.569 INFO [stderr] 
Nov 28 14:49:30.569 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.569 INFO [stderr]    --> src/main.rs:244:5
Nov 28 14:49:30.569 INFO [stderr]     |
Nov 28 14:49:30.569 INFO [stderr] 190 |     'col: for j in 0..3 {
Nov 28 14:49:30.569 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.569 INFO [stderr] ...
Nov 28 14:49:30.569 INFO [stderr] 244 |     'col: for j in 0..3 {
Nov 28 14:49:30.569 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.569 INFO [stderr] 
Nov 28 14:49:30.569 INFO [stderr] warning: label name `'col` shadows a label name that is already in scope
Nov 28 14:49:30.569 INFO [stderr]    --> src/main.rs:244:5
Nov 28 14:49:30.569 INFO [stderr]     |
Nov 28 14:49:30.569 INFO [stderr] 232 |         'col: for j in 0..3 {
Nov 28 14:49:30.570 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.570 INFO [stderr] ...
Nov 28 14:49:30.570 INFO [stderr] 244 |     'col: for j in 0..3 {
Nov 28 14:49:30.570 INFO [stderr] warning: value assigned to `cell_count` is never read
Nov 28 14:49:30.570 INFO [stderr]    --> src/main.rs:172:13
Nov 28 14:49:30.570 INFO [stderr]     |
Nov 28 14:49:30.570 INFO [stderr] 172 |     let mut cell_count = 0;
Nov 28 14:49:30.570 INFO [stderr]     |             ^^^^^^^^^^
Nov 28 14:49:30.570 INFO [stderr]     |
Nov 28 14:49:30.570 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 28 14:49:30.570 INFO [stderr] 
Nov 28 14:49:30.570 INFO [stderr]     |     ^^^^ lifetime 'col already in scope
Nov 28 14:49:30.570 INFO [stderr] 
Nov 28 14:49:30.570 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.570 INFO [stderr]    --> src/main.rs:246:9
Nov 28 14:49:30.570 INFO [stderr]     |
Nov 28 14:49:30.570 INFO [stderr] 176 |     'row: for i in 0..3 {
Nov 28 14:49:30.570 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.570 INFO [stderr] ...
Nov 28 14:49:30.570 INFO [stderr] 246 |         'row: for i in 0..3 {
Nov 28 14:49:30.570 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.570 INFO [stderr] 
Nov 28 14:49:30.570 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.570 INFO [stderr]    --> src/main.rs:246:9
Nov 28 14:49:30.570 INFO [stderr]     |
Nov 28 14:49:30.571 INFO [stderr] 192 |         'row: for i in 0..3 {
Nov 28 14:49:30.571 INFO [stderr]     |         ---- first declared here
Nov 28 14:49:30.571 INFO [stderr] ...
Nov 28 14:49:30.571 INFO [stderr] 246 |         'row: for i in 0..3 {
Nov 28 14:49:30.571 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.571 INFO [stderr] 
Nov 28 14:49:30.571 INFO [stderr] warning: label name `'row` shadows a label name that is already in scope
Nov 28 14:49:30.571 INFO [stderr]    --> src/main.rs:246:9
Nov 28 14:49:30.571 INFO [stderr]     |
Nov 28 14:49:30.571 INFO [stderr] 230 |     'row: for i in 0..3 {
Nov 28 14:49:30.571 INFO [stderr]     |     ---- first declared here
Nov 28 14:49:30.571 INFO [stderr] ...
Nov 28 14:49:30.571 INFO [stderr] 246 |         'row: for i in 0..3 {
Nov 28 14:49:30.571 INFO [stderr]     |         ^^^^ lifetime 'row already in scope
Nov 28 14:49:30.571 INFO [stderr] 
Nov 28 14:49:30.596 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.596 INFO [stderr]    --> src/main.rs:186:13
Nov 28 14:49:30.597 INFO [stderr]     |
Nov 28 14:49:30.597 INFO [stderr] 186 |             board.set_o(empty_cell);
Nov 28 14:49:30.597 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.597 INFO [stderr]     |
Nov 28 14:49:30.597 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 14:49:30.597 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.597 INFO [stderr] 
Nov 28 14:49:30.597 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.597 INFO [stderr]    --> src/main.rs:200:13
Nov 28 14:49:30.597 INFO [stderr]     |
Nov 28 14:49:30.597 INFO [stderr] 200 |             board.set_o(empty_cell);
Nov 28 14:49:30.597 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.597 INFO [stderr]     |
Nov 28 14:49:30.597 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.597 INFO [stderr] 
Nov 28 14:49:30.597 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.597 INFO [stderr]    --> src/main.rs:213:9
Nov 28 14:49:30.597 INFO [stderr]     |
Nov 28 14:49:30.597 INFO [stderr] 213 |         board.set_o(empty_cell);
Nov 28 14:49:30.597 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.597 INFO [stderr]     |
Nov 28 14:49:30.597 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.597 INFO [stderr] 
Nov 28 14:49:30.598 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.598 INFO [stderr]    --> src/main.rs:225:9
Nov 28 14:49:30.598 INFO [stderr]     |
Nov 28 14:49:30.598 INFO [stderr] 225 |         board.set_o(empty_cell);
Nov 28 14:49:30.598 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.598 INFO [stderr]     |
Nov 28 14:49:30.598 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.598 INFO [stderr] 
Nov 28 14:49:30.598 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.598 INFO [stderr]    --> src/main.rs:240:13
Nov 28 14:49:30.598 INFO [stderr]     |
Nov 28 14:49:30.598 INFO [stderr] 240 |             board.set_o(empty_cell);
Nov 28 14:49:30.598 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.598 INFO [stderr]     |
Nov 28 14:49:30.598 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.598 INFO [stderr] 
Nov 28 14:49:30.598 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.598 INFO [stderr]    --> src/main.rs:254:13
Nov 28 14:49:30.598 INFO [stderr]     |
Nov 28 14:49:30.598 INFO [stderr] 254 |             board.set_o(empty_cell);
Nov 28 14:49:30.598 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.598 INFO [stderr]     |
Nov 28 14:49:30.599 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.599 INFO [stderr] 
Nov 28 14:49:30.604 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.604 INFO [stderr]    --> src/main.rs:267:9
Nov 28 14:49:30.604 INFO [stderr]     |
Nov 28 14:49:30.604 INFO [stderr] 267 |         board.set_o(empty_cell);
Nov 28 14:49:30.604 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.605 INFO [stderr]     |
Nov 28 14:49:30.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.605 INFO [stderr] 
Nov 28 14:49:30.605 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.605 INFO [stderr]    --> src/main.rs:279:9
Nov 28 14:49:30.605 INFO [stderr]     |
Nov 28 14:49:30.605 INFO [stderr] 279 |         board.set_o(empty_cell);
Nov 28 14:49:30.605 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.605 INFO [stderr]     |
Nov 28 14:49:30.605 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.605 INFO [stderr] 
Nov 28 14:49:30.688 INFO [stderr] warning: value assigned to `cell_count` is never read
Nov 28 14:49:30.688 INFO [stderr]    --> src/main.rs:172:13
Nov 28 14:49:30.688 INFO [stderr]     |
Nov 28 14:49:30.689 INFO [stderr] 172 |     let mut cell_count = 0;
Nov 28 14:49:30.689 INFO [stderr]     |             ^^^^^^^^^^
Nov 28 14:49:30.689 INFO [stderr]     |
Nov 28 14:49:30.689 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 28 14:49:30.689 INFO [stderr] 
Nov 28 14:49:30.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.718 INFO [stderr]    --> src/main.rs:186:13
Nov 28 14:49:30.718 INFO [stderr]     |
Nov 28 14:49:30.718 INFO [stderr] 186 |             board.set_o(empty_cell);
Nov 28 14:49:30.718 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.718 INFO [stderr]     |
Nov 28 14:49:30.718 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 28 14:49:30.718 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.718 INFO [stderr] 
Nov 28 14:49:30.718 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.718 INFO [stderr]    --> src/main.rs:200:13
Nov 28 14:49:30.719 INFO [stderr]     |
Nov 28 14:49:30.719 INFO [stderr] 200 |             board.set_o(empty_cell);
Nov 28 14:49:30.719 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.719 INFO [stderr]     |
Nov 28 14:49:30.719 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.719 INFO [stderr] 
Nov 28 14:49:30.719 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.719 INFO [stderr]    --> src/main.rs:213:9
Nov 28 14:49:30.719 INFO [stderr]     |
Nov 28 14:49:30.719 INFO [stderr] 213 |         board.set_o(empty_cell);
Nov 28 14:49:30.719 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.719 INFO [stderr]     |
Nov 28 14:49:30.719 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.719 INFO [stderr] 
Nov 28 14:49:30.720 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.720 INFO [stderr]    --> src/main.rs:225:9
Nov 28 14:49:30.720 INFO [stderr]     |
Nov 28 14:49:30.720 INFO [stderr] 225 |         board.set_o(empty_cell);
Nov 28 14:49:30.720 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.720 INFO [stderr]     |
Nov 28 14:49:30.720 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.720 INFO [stderr] 
Nov 28 14:49:30.720 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.720 INFO [stderr]    --> src/main.rs:240:13
Nov 28 14:49:30.720 INFO [stderr]     |
Nov 28 14:49:30.720 INFO [stderr] 240 |             board.set_o(empty_cell);
Nov 28 14:49:30.720 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.720 INFO [stderr]     |
Nov 28 14:49:30.720 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.720 INFO [stderr] 
Nov 28 14:49:30.720 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.720 INFO [stderr]    --> src/main.rs:254:13
Nov 28 14:49:30.720 INFO [stderr]     |
Nov 28 14:49:30.720 INFO [stderr] 254 |             board.set_o(empty_cell);
Nov 28 14:49:30.720 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.720 INFO [stderr]     |
Nov 28 14:49:30.721 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.721 INFO [stderr] 
Nov 28 14:49:30.721 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.721 INFO [stderr]    --> src/main.rs:267:9
Nov 28 14:49:30.721 INFO [stderr]     |
Nov 28 14:49:30.721 INFO [stderr] 267 |         board.set_o(empty_cell);
Nov 28 14:49:30.721 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.721 INFO [stderr]     |
Nov 28 14:49:30.721 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.721 INFO [stderr] 
Nov 28 14:49:30.721 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 28 14:49:30.721 INFO [stderr]    --> src/main.rs:279:9
Nov 28 14:49:30.721 INFO [stderr]     |
Nov 28 14:49:30.721 INFO [stderr] 279 |         board.set_o(empty_cell);
Nov 28 14:49:30.721 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 14:49:30.721 INFO [stderr]     |
Nov 28 14:49:30.721 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 28 14:49:30.721 INFO [stderr] 
Nov 28 14:49:30.741 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
Nov 28 14:49:30.743 INFO [stderr] su: No module specific data is present
Nov 28 14:49:31.281 INFO running `"docker" "inspect" "778b022cf802d6974e98759d1d1f948fe2f86b2a3ff7ca332fd3457e9e3e29e9"`
Nov 28 14:49:31.622 INFO running `"docker" "rm" "-f" "778b022cf802d6974e98759d1d1f948fe2f86b2a3ff7ca332fd3457e9e3e29e9"`
Nov 28 14:49:31.792 INFO [stdout] 778b022cf802d6974e98759d1d1f948fe2f86b2a3ff7ca332fd3457e9e3e29e9