[INFO] cloning repository https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviliusi%2FRecursive-Tic-Tac-Toe-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviliusi%2FRecursive-Tic-Tac-Toe-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a5c226fa10d078bd6046ade272b0611ddc694a8
[INFO] testing viliusi/Recursive-Tic-Tac-Toe-Rust against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviliusi%2FRecursive-Tic-Tac-Toe-Rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust
[INFO] finished tweaking git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust
[INFO] tweaked toml for git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/viliusi/Recursive-Tic-Tac-Toe-Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e06539b41a611b44e2502a33afeb19bc9f9b1187d30df196d867c05af99711
[INFO] running `Command { std: "docker" "start" "-a" "b5e06539b41a611b44e2502a33afeb19bc9f9b1187d30df196d867c05af99711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e06539b41a611b44e2502a33afeb19bc9f9b1187d30df196d867c05af99711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e06539b41a611b44e2502a33afeb19bc9f9b1187d30df196d867c05af99711", kill_on_drop: false }`
[INFO] [stdout] b5e06539b41a611b44e2502a33afeb19bc9f9b1187d30df196d867c05af99711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58d9454eaf9e3d04f3f0d72bdfcd30c53667c019ff9153d6fced86aa5d531609
[INFO] running `Command { std: "docker" "start" "-a" "58d9454eaf9e3d04f3f0d72bdfcd30c53667c019ff9153d6fced86aa5d531609", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling recursive-tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     if (preview == 9) {
[INFO] [stdout]    |                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -                     if (preview == 9) {
[INFO] [stdout] 65 +                     if preview == 9 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `return_pos` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut return_pos = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_return_pos` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `return_pos` is never read
[INFO] [stdout]   --> src/main.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         return_pos = 9;
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut i : u8 = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/main.rs:163:26
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `focus`
[INFO] [stdout]    --> src/main.rs:163:52
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_focus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `preview`
[INFO] [stdout]    --> src/main.rs:163:68
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stdout]     |                                                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_turn`
[INFO] [stdout]    --> src/main.rs:163:106
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stdout]     |                                                                                                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:209:16
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn print_debug(input: char, board: &mut [[u8; 9]; 9], preview: &mut u8, current_turn: bool, held_move: &mut u8, focus: &mut u8) {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/main.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn print_debug(input: char, board: &mut [[u8; 9]; 9], preview: &mut u8, current_turn: bool, held_move: &mut u8, focus: &mut u8) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_turn`
[INFO] [stdout]    --> src/main.rs:209:73
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn print_debug(input: char, board: &mut [[u8; 9]; 9], preview: &mut u8, current_turn: bool, held_move: &mut u8, focus: &mut u8) {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "58d9454eaf9e3d04f3f0d72bdfcd30c53667c019ff9153d6fced86aa5d531609", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d9454eaf9e3d04f3f0d72bdfcd30c53667c019ff9153d6fced86aa5d531609", kill_on_drop: false }`
[INFO] [stdout] 58d9454eaf9e3d04f3f0d72bdfcd30c53667c019ff9153d6fced86aa5d531609
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86efba78cbd4fb2b1ebb4afc6d84fc7ff87807c833cdd7a719c51a4c09aa38fa
[INFO] running `Command { std: "docker" "start" "-a" "86efba78cbd4fb2b1ebb4afc6d84fc7ff87807c833cdd7a719c51a4c09aa38fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling recursive-tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     if (preview == 9) {
[INFO] [stdout]    |                        ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 65 -                     if (preview == 9) {
[INFO] [stdout] 65 +                     if preview == 9 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `return_pos` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut return_pos = 0;
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_return_pos` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `return_pos` is never read
[INFO] [stdout]   --> src/main.rs:67:25
[INFO] [stdout]    |
[INFO] [stdout] 67 |                         return_pos = 9;
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]    --> src/main.rs:106:13
[INFO] [stdout]     |
[INFO] [stdout] 106 |     let mut i : u8 = 0;
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/main.rs:163:26
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stdout]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `focus`
[INFO] [stdout]    --> src/main.rs:163:52
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stdout]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_focus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `preview`
[INFO] [stdout]    --> src/main.rs:163:68
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stdout]     |                                                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_turn`
[INFO] [stdout]    --> src/main.rs:163:106
[INFO] [stdout]     |
[INFO] [stdout] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stdout]     |                                                                                                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]    --> src/main.rs:209:16
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn print_debug(input: char, board: &mut [[u8; 9]; 9], preview: &mut u8, current_turn: bool, held_move: &mut u8, focus: &mut u8) {
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/main.rs:209:29
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn print_debug(input: char, board: &mut [[u8; 9]; 9], preview: &mut u8, current_turn: bool, held_move: &mut u8, focus: &mut u8) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_turn`
[INFO] [stdout]    --> src/main.rs:209:73
[INFO] [stdout]     |
[INFO] [stdout] 209 | fn print_debug(input: char, board: &mut [[u8; 9]; 9], preview: &mut u8, current_turn: bool, held_move: &mut u8, focus: &mut u8) {
[INFO] [stdout]     |                                                                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "86efba78cbd4fb2b1ebb4afc6d84fc7ff87807c833cdd7a719c51a4c09aa38fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86efba78cbd4fb2b1ebb4afc6d84fc7ff87807c833cdd7a719c51a4c09aa38fa", kill_on_drop: false }`
[INFO] [stdout] 86efba78cbd4fb2b1ebb4afc6d84fc7ff87807c833cdd7a719c51a4c09aa38fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1f155bd2d4ea0264fc84dc46bc86ba617cb3a6ba03c79027fad1966c00deae4d
[INFO] running `Command { std: "docker" "start" "-a" "1f155bd2d4ea0264fc84dc46bc86ba617cb3a6ba03c79027fad1966c00deae4d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:65:24
[INFO] [stderr]    |
[INFO] [stderr] 65 |                     if (preview == 9) {
[INFO] [stderr]    |                        ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 65 -                     if (preview == 9) {
[INFO] [stderr] 65 +                     if preview == 9 {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: variable `return_pos` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut return_pos = 0;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_return_pos` instead
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `return_pos` is never read
[INFO] [stderr]   --> src/main.rs:67:25
[INFO] [stderr]    |
[INFO] [stderr] 67 |                         return_pos = 9;
[INFO] [stderr]    |                         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]    --> src/main.rs:106:13
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let mut i : u8 = 0;
[INFO] [stderr]     |             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/main.rs:163:26
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stderr]     |                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `focus`
[INFO] [stderr]    --> src/main.rs:163:52
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stderr]     |                                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_focus`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `preview`
[INFO] [stderr]    --> src/main.rs:163:68
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stderr]     |                                                                    ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_preview`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_turn`
[INFO] [stderr]    --> src/main.rs:163:106
[INFO] [stderr]     |
[INFO] [stderr] 163 | fn try_move(input: char, board: &mut [[u8; 9]; 9], focus: &mut u8, preview: &mut u8, held_move: &mut u8, current_turn: bool) {
[INFO] [stderr]     |                                                                                                          ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]    --> src/main.rs:209:16
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn print_debug(input: char, board: &mut [[u8; 9]; 9], preview: &mut u8, current_turn: bool, held_move: &mut u8, focus: &mut u8) {
[INFO] [stderr]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/main.rs:209:29
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn print_debug(input: char, board: &mut [[u8; 9]; 9], preview: &mut u8, current_turn: bool, held_move: &mut u8, focus: &mut u8) {
[INFO] [stderr]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `current_turn`
[INFO] [stderr]    --> src/main.rs:209:73
[INFO] [stderr]     |
[INFO] [stderr] 209 | fn print_debug(input: char, board: &mut [[u8; 9]; 9], preview: &mut u8, current_turn: bool, held_move: &mut u8, focus: &mut u8) {
[INFO] [stderr]     |                                                                         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_turn`
[INFO] [stderr] 
[INFO] [stderr] warning: `recursive-tic-tac-toe` (bin "recursive-tic-tac-toe" test) generated 13 warnings (run `cargo fix --bin "recursive-tic-tac-toe" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/recursive_tic_tac_toe-1a17a8a30eac27f5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1f155bd2d4ea0264fc84dc46bc86ba617cb3a6ba03c79027fad1966c00deae4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f155bd2d4ea0264fc84dc46bc86ba617cb3a6ba03c79027fad1966c00deae4d", kill_on_drop: false }`
[INFO] [stdout] 1f155bd2d4ea0264fc84dc46bc86ba617cb3a6ba03c79027fad1966c00deae4d