[INFO] cloning repository https://github.com/krisuh/rust-checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krisuh/rust-checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisuh%2Frust-checkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisuh%2Frust-checkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46988a60b5285c85d1e193cd193a31f88f37a4c5
[INFO] testing krisuh/rust-checkers against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrisuh%2Frust-checkers" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/krisuh/rust-checkers on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/krisuh/rust-checkers
[INFO] finished tweaking git repo https://github.com/krisuh/rust-checkers
[INFO] tweaked toml for git repo https://github.com/krisuh/rust-checkers written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/krisuh/rust-checkers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31f160e4083f7e4603836c9a36f8049cb156752863ee22828be72d32c649af11
[INFO] running `Command { std: "docker" "start" "-a" "31f160e4083f7e4603836c9a36f8049cb156752863ee22828be72d32c649af11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f160e4083f7e4603836c9a36f8049cb156752863ee22828be72d32c649af11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f160e4083f7e4603836c9a36f8049cb156752863ee22828be72d32c649af11", kill_on_drop: false }`
[INFO] [stdout] 31f160e4083f7e4603836c9a36f8049cb156752863ee22828be72d32c649af11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5951deb4d9e2201be0372e3f861ac873b883c936295390237ccf96016471f3d4
[INFO] running `Command { std: "docker" "start" "-a" "5951deb4d9e2201be0372e3f861ac873b883c936295390237ccf96016471f3d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]  --> src/game/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     height: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_occupied`
[INFO] [stdout]   --> src/game/mod.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn is_occupied(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "5951deb4d9e2201be0372e3f861ac873b883c936295390237ccf96016471f3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5951deb4d9e2201be0372e3f861ac873b883c936295390237ccf96016471f3d4", kill_on_drop: false }`
[INFO] [stdout] 5951deb4d9e2201be0372e3f861ac873b883c936295390237ccf96016471f3d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 295acbd78859254fc99837163751e3bc1e99b3e95461e9074365b23f650e3f43
[INFO] running `Command { std: "docker" "start" "-a" "295acbd78859254fc99837163751e3bc1e99b3e95461e9074365b23f650e3f43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]  --> src/game/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     height: u8,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_occupied`
[INFO] [stdout]   --> src/game/mod.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn is_occupied(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.89s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/checkers-8da53b6f6144cdc8)
[INFO] running `Command { std: "docker" "inspect" "295acbd78859254fc99837163751e3bc1e99b3e95461e9074365b23f650e3f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295acbd78859254fc99837163751e3bc1e99b3e95461e9074365b23f650e3f43", kill_on_drop: false }`
[INFO] [stdout] 295acbd78859254fc99837163751e3bc1e99b3e95461e9074365b23f650e3f43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7996bb563a3e28ac317a2a697fd8491b4fa5e1bd9a821ee71bf30e3fbc31c017
[INFO] running `Command { std: "docker" "start" "-a" "7996bb563a3e28ac317a2a697fd8491b4fa5e1bd9a821ee71bf30e3fbc31c017", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]  --> src/game/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     height: u8,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_occupied`
[INFO] [stderr]   --> src/game/mod.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn is_occupied(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `checkers` (bin "checkers" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/checkers-8da53b6f6144cdc8)
[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" "7996bb563a3e28ac317a2a697fd8491b4fa5e1bd9a821ee71bf30e3fbc31c017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7996bb563a3e28ac317a2a697fd8491b4fa5e1bd9a821ee71bf30e3fbc31c017", kill_on_drop: false }`
[INFO] [stdout] 7996bb563a3e28ac317a2a697fd8491b4fa5e1bd9a821ee71bf30e3fbc31c017