[INFO] cloning repository https://github.com/timdeklijn/pathfinder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timdeklijn/pathfinder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimdeklijn%2Fpathfinder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimdeklijn%2Fpathfinder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7072dc57392017cbd96a35fadda2b5ea96bbf8c4
[INFO] checking timdeklijn/pathfinder against master#52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6 for pr-127907
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimdeklijn%2Fpathfinder" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timdeklijn/pathfinder on toolchain 52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timdeklijn/pathfinder
[INFO] finished tweaking git repo https://github.com/timdeklijn/pathfinder
[INFO] tweaked toml for git repo https://github.com/timdeklijn/pathfinder written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/timdeklijn/pathfinder 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" "+52f3c71c8dc4aaed71e3035995fcbdd6d78c98c6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking timdeklijn/pathfinder against try#6223d840318ac1f9c8b6bf3aef24c3ff67683479 for pr-127907
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimdeklijn%2Fpathfinder" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timdeklijn/pathfinder on toolchain 6223d840318ac1f9c8b6bf3aef24c3ff67683479
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timdeklijn/pathfinder
[INFO] finished tweaking git repo https://github.com/timdeklijn/pathfinder
[INFO] tweaked toml for git repo https://github.com/timdeklijn/pathfinder written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/timdeklijn/pathfinder 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" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c938bca356851f3c4dbda5908439490131f7c678af3aed9e89bf06033549c0e6
[INFO] running `Command { std: "docker" "start" "-a" "c938bca356851f3c4dbda5908439490131f7c678af3aed9e89bf06033549c0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c938bca356851f3c4dbda5908439490131f7c678af3aed9e89bf06033549c0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c938bca356851f3c4dbda5908439490131f7c678af3aed9e89bf06033549c0e6", kill_on_drop: false }`
[INFO] [stdout] c938bca356851f3c4dbda5908439490131f7c678af3aed9e89bf06033549c0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6223d840318ac1f9c8b6bf3aef24c3ff67683479" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cafbf6a58ebb441ea7e0149fefa64185911df530f1929a0d901fe9b1d26defff
[INFO] running `Command { std: "docker" "start" "-a" "cafbf6a58ebb441ea7e0149fefa64185911df530f1929a0d901fe9b1d26defff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pathfinder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/main.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let env = Env::new(10, 10);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/main.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let env = Env::new(10, 10);
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Player` is never constructed
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | enum Tiles {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Player,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Player` is never constructed
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | enum Tiles {
[INFO] [stdout]    |      ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 |     Player,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | struct Position {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 69 |     x: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 70 |     y: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x` and `y` are never read
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | struct Position {
[INFO] [stdout]    |        -------- fields in this struct
[INFO] [stdout] 69 |     x: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 70 |     y: usize,
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Win` and `Lose` are never constructed
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum State {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 75 |     Playing,
[INFO] [stdout] 76 |     Win,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 77 |     Lose,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Win` and `Lose` are never constructed
[INFO] [stdout]   --> src/main.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum State {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 75 |     Playing,
[INFO] [stdout] 76 |     Win,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 77 |     Lose,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Actions` is never used
[INFO] [stdout]   --> src/main.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum Actions {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Actions` is never used
[INFO] [stdout]   --> src/main.rs:80:6
[INFO] [stdout]    |
[INFO] [stdout] 80 | enum Actions {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sample` is never used
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl Actions {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 88 |     fn sample() -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `sample` is never used
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl Actions {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 88 |     fn sample() -> Self {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board`, `agent`, and `state` are never read
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Env {
[INFO] [stdout]     |        --- fields in this struct
[INFO] [stdout] 101 |     board: Board,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 102 |     agent: Position,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 103 |     state: State,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `board`, `agent`, and `state` are never read
[INFO] [stdout]    --> src/main.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Env {
[INFO] [stdout]     |        --- fields in this struct
[INFO] [stdout] 101 |     board: Board,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 102 |     agent: Position,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 103 |     state: State,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `step` is never used
[INFO] [stdout]    --> src/main.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl Env {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn step(&mut self, action: Actions) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `step` is never used
[INFO] [stdout]    --> src/main.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | impl Env {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 118 |     fn step(&mut self, action: Actions) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "cafbf6a58ebb441ea7e0149fefa64185911df530f1929a0d901fe9b1d26defff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cafbf6a58ebb441ea7e0149fefa64185911df530f1929a0d901fe9b1d26defff", kill_on_drop: false }`
[INFO] [stdout] cafbf6a58ebb441ea7e0149fefa64185911df530f1929a0d901fe9b1d26defff