[INFO] cloning repository https://github.com/lklacar/rust-tic-tac-toe-ai [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lklacar/rust-tic-tac-toe-ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flklacar%2Frust-tic-tac-toe-ai", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flklacar%2Frust-tic-tac-toe-ai'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4071d4f333eaf0b602d2deaa041e398bf8e3f014 [INFO] testing lklacar/rust-tic-tac-toe-ai against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flklacar%2Frust-tic-tac-toe-ai" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lklacar/rust-tic-tac-toe-ai on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lklacar/rust-tic-tac-toe-ai [INFO] finished tweaking git repo https://github.com/lklacar/rust-tic-tac-toe-ai [INFO] tweaked toml for git repo https://github.com/lklacar/rust-tic-tac-toe-ai written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/lklacar/rust-tic-tac-toe-ai already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4cc7dfb66e4c44f8f9305b3abbb72cc70ad0db5a8f099c99b7d99ee164324890 [INFO] running `Command { std: "docker" "start" "-a" "4cc7dfb66e4c44f8f9305b3abbb72cc70ad0db5a8f099c99b7d99ee164324890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cc7dfb66e4c44f8f9305b3abbb72cc70ad0db5a8f099c99b7d99ee164324890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cc7dfb66e4c44f8f9305b3abbb72cc70ad0db5a8f099c99b7d99ee164324890", kill_on_drop: false }` [INFO] [stdout] 4cc7dfb66e4c44f8f9305b3abbb72cc70ad0db5a8f099c99b7d99ee164324890 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9dbb71ac93be232fa314cfc26a23ba119a9e8a73910923beb1a1387c2fd5e7ff [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9dbb71ac93be232fa314cfc26a23ba119a9e8a73910923beb1a1387c2fd5e7ff", kill_on_drop: false }` [INFO] [stderr] Compiling rust-tic-tac-toe-ai v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/board.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn new(size: u32) -> Board { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell` [INFO] [stdout] --> src/board.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut cell = match option_cell { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut cell = match option_cell { [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: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | let mut cell = match option_cell { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty_cells` [INFO] [stdout] --> src/board.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn empty_cells(&self) -> Vec<&cell::Cell> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `O` [INFO] [stdout] --> src/cell.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | O, [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 1.35s [INFO] running `Command { std: "docker" "inspect" "9dbb71ac93be232fa314cfc26a23ba119a9e8a73910923beb1a1387c2fd5e7ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9dbb71ac93be232fa314cfc26a23ba119a9e8a73910923beb1a1387c2fd5e7ff", kill_on_drop: false }` [INFO] [stdout] 9dbb71ac93be232fa314cfc26a23ba119a9e8a73910923beb1a1387c2fd5e7ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 64b8a9278792b8ef41f738ac11ca34472aaa16af115b1c0604d7bbe1eac7bffd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "64b8a9278792b8ef41f738ac11ca34472aaa16af115b1c0604d7bbe1eac7bffd", kill_on_drop: false }` [INFO] [stderr] Compiling rust-tic-tac-toe-ai v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `size` [INFO] [stdout] --> src/board.rs:10:16 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn new(size: u32) -> Board { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cell` [INFO] [stdout] --> src/board.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut cell = match option_cell { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:51:13 [INFO] [stdout] | [INFO] [stdout] 51 | let mut cell = match option_cell { [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: variable does not need to be mutable [INFO] [stdout] --> src/board.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | let mut cell = match option_cell { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `empty_cells` [INFO] [stdout] --> src/board.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn empty_cells(&self) -> Vec<&cell::Cell> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `O` [INFO] [stdout] --> src/cell.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | O, [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "64b8a9278792b8ef41f738ac11ca34472aaa16af115b1c0604d7bbe1eac7bffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64b8a9278792b8ef41f738ac11ca34472aaa16af115b1c0604d7bbe1eac7bffd", kill_on_drop: false }` [INFO] [stdout] 64b8a9278792b8ef41f738ac11ca34472aaa16af115b1c0604d7bbe1eac7bffd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 32126c706146a2db19ae9cb5da37b66311f988f32e7cf0b1e4fdb8ac3f33ee78 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "32126c706146a2db19ae9cb5da37b66311f988f32e7cf0b1e4fdb8ac3f33ee78", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `size` [INFO] [stderr] --> src/board.rs:10:16 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn new(size: u32) -> Board { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_size` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cell` [INFO] [stderr] --> src/board.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut cell = match option_cell { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cell` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:51:13 [INFO] [stderr] | [INFO] [stderr] 51 | let mut cell = match option_cell { [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: variable does not need to be mutable [INFO] [stderr] --> src/board.rs:74:21 [INFO] [stderr] | [INFO] [stderr] 74 | let mut cell = match option_cell { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `empty_cells` [INFO] [stderr] --> src/board.rs:24:12 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn empty_cells(&self) -> Vec<&cell::Cell> { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `O` [INFO] [stderr] --> src/cell.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | O, [INFO] [stderr] | ^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_tic_tac_toe_ai-c5f0625049077e69 [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "32126c706146a2db19ae9cb5da37b66311f988f32e7cf0b1e4fdb8ac3f33ee78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32126c706146a2db19ae9cb5da37b66311f988f32e7cf0b1e4fdb8ac3f33ee78", kill_on_drop: false }` [INFO] [stdout] 32126c706146a2db19ae9cb5da37b66311f988f32e7cf0b1e4fdb8ac3f33ee78