[INFO] cloning repository https://github.com/tubo28/reversi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tubo28/reversi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftubo28%2Freversi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftubo28%2Freversi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7868c05a2e296f7c2362fe2f844894c943cf2317
[INFO] building tubo28/reversi against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftubo28%2Freversi" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tubo28/reversi on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tubo28/reversi
[INFO] finished tweaking git repo https://github.com/tubo28/reversi
[INFO] tweaked toml for git repo https://github.com/tubo28/reversi written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tubo28/reversi 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1f422ca1641c3a74a23fcbd93547992d1e39934425c3a147ff8335d34cbef6
[INFO] running `Command { std: "docker" "start" "-a" "ce1f422ca1641c3a74a23fcbd93547992d1e39934425c3a147ff8335d34cbef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1f422ca1641c3a74a23fcbd93547992d1e39934425c3a147ff8335d34cbef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1f422ca1641c3a74a23fcbd93547992d1e39934425c3a147ff8335d34cbef6", kill_on_drop: false }`
[INFO] [stdout] ce1f422ca1641c3a74a23fcbd93547992d1e39934425c3a147ff8335d34cbef6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9904bcd721d7333a22314eb69263822e992ab37bd16f0d4271817fe749c46d57
[INFO] running `Command { std: "docker" "start" "-a" "9904bcd721d7333a22314eb69263822e992ab37bd16f0d4271817fe749c46d57", kill_on_drop: false }`
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `winner` is never read
[INFO] [stdout]   --> src/reversi/gm.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct GameResult {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 26 |     pub winner: Turn,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameResult` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "9904bcd721d7333a22314eb69263822e992ab37bd16f0d4271817fe749c46d57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9904bcd721d7333a22314eb69263822e992ab37bd16f0d4271817fe749c46d57", kill_on_drop: false }`
[INFO] [stdout] 9904bcd721d7333a22314eb69263822e992ab37bd16f0d4271817fe749c46d57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74f24d157e333083d02214c6b3dfaa0519d267d88ec64d38b91a1434081f0939
[INFO] running `Command { std: "docker" "start" "-a" "74f24d157e333083d02214c6b3dfaa0519d267d88ec64d38b91a1434081f0939", kill_on_drop: false }`
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `winner` is never read
[INFO] [stdout]   --> src/reversi/gm.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct GameResult {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 26 |     pub winner: Turn,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameResult` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "74f24d157e333083d02214c6b3dfaa0519d267d88ec64d38b91a1434081f0939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f24d157e333083d02214c6b3dfaa0519d267d88ec64d38b91a1434081f0939", kill_on_drop: false }`
[INFO] [stdout] 74f24d157e333083d02214c6b3dfaa0519d267d88ec64d38b91a1434081f0939