[INFO] cloning repository https://github.com/JAlexLong/rusty-stone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JAlexLong/rusty-stone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJAlexLong%2Frusty-stone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJAlexLong%2Frusty-stone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 564043b6cfea4e7b215fd0168772ed2e47c71677
[INFO] checking JAlexLong/rusty-stone against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJAlexLong%2Frusty-stone" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JAlexLong/rusty-stone
[INFO] finished tweaking git repo https://github.com/JAlexLong/rusty-stone
[INFO] tweaked toml for git repo https://github.com/JAlexLong/rusty-stone written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JAlexLong/rusty-stone on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JAlexLong/rusty-stone 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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking JAlexLong/rusty-stone against try#595142ec72045c7f2fab2923de8e59995a52e6e7 for pr-151830
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJAlexLong%2Frusty-stone" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JAlexLong/rusty-stone
[INFO] finished tweaking git repo https://github.com/JAlexLong/rusty-stone
[INFO] tweaked toml for git repo https://github.com/JAlexLong/rusty-stone written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JAlexLong/rusty-stone on toolchain 595142ec72045c7f2fab2923de8e59995a52e6e7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JAlexLong/rusty-stone 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" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f531eac2d75fa815064068d65e12c1101bc5e0de4daadb5d34fb4ec3cd6d714
[INFO] running `Command { std: "docker" "start" "-a" "3f531eac2d75fa815064068d65e12c1101bc5e0de4daadb5d34fb4ec3cd6d714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f531eac2d75fa815064068d65e12c1101bc5e0de4daadb5d34fb4ec3cd6d714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f531eac2d75fa815064068d65e12c1101bc5e0de4daadb5d34fb4ec3cd6d714", kill_on_drop: false }`
[INFO] [stdout] 3f531eac2d75fa815064068d65e12c1101bc5e0de4daadb5d34fb4ec3cd6d714
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+595142ec72045c7f2fab2923de8e59995a52e6e7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3434bbfa0ef2fdfb8ba193317b377e6fa4647b214faf480e3c0ebde57e7428c8
[INFO] running `Command { std: "docker" "start" "-a" "3434bbfa0ef2fdfb8ba193317b377e6fa4647b214faf480e3c0ebde57e7428c8", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty-stone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `board`, `turn`, `komi`, and `history` are never read
[INFO] [stdout]   --> src/game.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 32 |     board: Board,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     turn: Stone,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     komi: f64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     history: Vec<Board>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board`, `turn`, `komi`, and `history` are never read
[INFO] [stdout]   --> src/game.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Game {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 32 |     board: Board,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     turn: Stone,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     komi: f64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     history: Vec<Board>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "3434bbfa0ef2fdfb8ba193317b377e6fa4647b214faf480e3c0ebde57e7428c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3434bbfa0ef2fdfb8ba193317b377e6fa4647b214faf480e3c0ebde57e7428c8", kill_on_drop: false }`
[INFO] [stdout] 3434bbfa0ef2fdfb8ba193317b377e6fa4647b214faf480e3c0ebde57e7428c8