[INFO] cloning repository https://github.com/pr95/reversi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pr95/reversi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpr95%2Freversi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpr95%2Freversi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1a43bbd5a4fba4fbcd80aa73db8f144d34e65f2
[INFO] testing pr95/reversi against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpr95%2Freversi" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pr95/reversi on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pr95/reversi
[INFO] finished tweaking git repo https://github.com/pr95/reversi
[INFO] tweaked toml for git repo https://github.com/pr95/reversi written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/pr95/reversi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ac07cff752474d279797178b99a92a227caf00a7a63541e070ee70d74540bc
[INFO] running `Command { std: "docker" "start" "-a" "06ac07cff752474d279797178b99a92a227caf00a7a63541e070ee70d74540bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ac07cff752474d279797178b99a92a227caf00a7a63541e070ee70d74540bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ac07cff752474d279797178b99a92a227caf00a7a63541e070ee70d74540bc", kill_on_drop: false }`
[INFO] [stdout] 06ac07cff752474d279797178b99a92a227caf00a7a63541e070ee70d74540bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39d89830f1e002bdc9e13551a4d2f2b7c56b7c253de21e0e0e6141af7ff78ed1
[INFO] running `Command { std: "docker" "start" "-a" "39d89830f1e002bdc9e13551a4d2f2b7c56b7c253de21e0e0e6141af7ff78ed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut field = [[0; SIZE_X]; SIZE_Y];
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `winner`
[INFO] [stdout]   --> src/main.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn winner(field: &[[i32; SIZE_X];SIZE_Y]) -> i32 {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_valid_boundaries`
[INFO] [stdout]   --> src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn check_valid_boundaries(rev_x: i32, rev_y: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `valid_turn`
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn valid_turn(field: &[[i32; SIZE_X];SIZE_Y], player: i32, x_koord: usize, y_koord: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_turn`
[INFO] [stdout]    --> src/main.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn execute_turn(field: &mut [[i32; SIZE_X];SIZE_Y], player :i32, x_koord: usize, y_koord: usize) -> &mut [[i32; SIZE_X];SIZE_Y] {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `possible_turns`
[INFO] [stdout]    --> src/main.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn possible_turns(field: &[[i32; SIZE_X];SIZE_Y], player: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "39d89830f1e002bdc9e13551a4d2f2b7c56b7c253de21e0e0e6141af7ff78ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39d89830f1e002bdc9e13551a4d2f2b7c56b7c253de21e0e0e6141af7ff78ed1", kill_on_drop: false }`
[INFO] [stdout] 39d89830f1e002bdc9e13551a4d2f2b7c56b7c253de21e0e0e6141af7ff78ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba50780d35f1ae891ccad3cc92092a283e086aae3071eb470427216d35b01cc
[INFO] running `Command { std: "docker" "start" "-a" "eba50780d35f1ae891ccad3cc92092a283e086aae3071eb470427216d35b01cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `test_field` is never read
[INFO] [stdout]   --> src/test.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut test_field = [[0; SIZE_X];SIZE_Y];
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `test_field` is never read
[INFO] [stdout]   --> src/test.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let mut test_field = [[0; SIZE_X];SIZE_Y];
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `test_field` is never read
[INFO] [stdout]   --> src/test.rs:43:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |         let mut test_field = [[0; SIZE_X];SIZE_Y];
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:179:9
[INFO] [stdout]     |
[INFO] [stdout] 179 |     let mut field = [[0; SIZE_X]; SIZE_Y];
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_valid_boundaries`
[INFO] [stdout]   --> src/main.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn check_valid_boundaries(rev_x: i32, rev_y: i32) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `valid_turn`
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn valid_turn(field: &[[i32; SIZE_X];SIZE_Y], player: i32, x_koord: usize, y_koord: usize) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `execute_turn`
[INFO] [stdout]    --> src/main.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn execute_turn(field: &mut [[i32; SIZE_X];SIZE_Y], player :i32, x_koord: usize, y_koord: usize) -> &mut [[i32; SIZE_X];SIZE_Y] {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `possible_turns`
[INFO] [stdout]    --> src/main.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn possible_turns(field: &[[i32; SIZE_X];SIZE_Y], player: i32) -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "eba50780d35f1ae891ccad3cc92092a283e086aae3071eb470427216d35b01cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba50780d35f1ae891ccad3cc92092a283e086aae3071eb470427216d35b01cc", kill_on_drop: false }`
[INFO] [stdout] eba50780d35f1ae891ccad3cc92092a283e086aae3071eb470427216d35b01cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b7182c9412cbc45927ae70e94c597c64bed91ab0f1eceae57e1316636f5ef2b
[INFO] running `Command { std: "docker" "start" "-a" "6b7182c9412cbc45927ae70e94c597c64bed91ab0f1eceae57e1316636f5ef2b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `test_field` is never read
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/test.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut test_field = [[0; SIZE_X];SIZE_Y];
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `test_field` is never read
[INFO] [stderr]   --> src/test.rs:29:17
[INFO] [stderr]    |
[INFO] [stderr] 29 |         let mut test_field = [[0; SIZE_X];SIZE_Y];
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `test_field` is never read
[INFO] [stderr]   --> src/test.rs:43:17
[INFO] [stderr]    |
[INFO] [stderr] 43 |         let mut test_field = [[0; SIZE_X];SIZE_Y];
[INFO] [stderr]    |                 ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:179:9
[INFO] [stderr]     |
[INFO] [stderr] 179 |     let mut field = [[0; SIZE_X]; SIZE_Y];
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_valid_boundaries`
[INFO] [stderr]   --> src/main.rs:53:4
[INFO] [stderr]    |
[INFO] [stderr] 53 | fn check_valid_boundaries(rev_x: i32, rev_y: i32) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `valid_turn`
[INFO] [stderr]   --> src/main.rs:66:4
[INFO] [stderr]    |
[INFO] [stderr] 66 | fn valid_turn(field: &[[i32; SIZE_X];SIZE_Y], player: i32, x_koord: usize, y_koord: usize) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `execute_turn`
[INFO] [stderr]    --> src/main.rs:111:4
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn execute_turn(field: &mut [[i32; SIZE_X];SIZE_Y], player :i32, x_koord: usize, y_koord: usize) -> &mut [[i32; SIZE_X];SIZE_Y] {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `possible_turns`
[INFO] [stderr]    --> src/main.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn possible_turns(field: &[[i32; SIZE_X];SIZE_Y], player: i32) -> i32 {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `reversi` (bin "reversi" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reversi-7baf7cec73f55de5)
[INFO] [stdout] test test::tests::test_winner_1 ... ok
[INFO] [stdout] test test::tests::test_winner_tie ... ok
[INFO] [stdout] test test::tests::test_winner_2 ... ok
[INFO] [stdout] test test::tests::test_show_field - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6b7182c9412cbc45927ae70e94c597c64bed91ab0f1eceae57e1316636f5ef2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b7182c9412cbc45927ae70e94c597c64bed91ab0f1eceae57e1316636f5ef2b", kill_on_drop: false }`
[INFO] [stdout] 6b7182c9412cbc45927ae70e94c597c64bed91ab0f1eceae57e1316636f5ef2b