[INFO] cloning repository https://github.com/ellingsvee/former-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ellingsvee/former-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fellingsvee%2Fformer-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fellingsvee%2Fformer-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5376083426519c47000603cbf3c2ab254a99bc89
[INFO] checking ellingsvee/former-solver against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fellingsvee%2Fformer-solver" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ellingsvee/former-solver
[INFO] finished tweaking git repo https://github.com/ellingsvee/former-solver
[INFO] tweaked toml for git repo https://github.com/ellingsvee/former-solver written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ellingsvee/former-solver on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ellingsvee/former-solver 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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking ellingsvee/former-solver against e3d12f3322cb00126b2208c6b9df3ac4467951f5 for pr-159706
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fellingsvee%2Fformer-solver" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ellingsvee/former-solver
[INFO] finished tweaking git repo https://github.com/ellingsvee/former-solver
[INFO] tweaked toml for git repo https://github.com/ellingsvee/former-solver written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ellingsvee/former-solver on toolchain e3d12f3322cb00126b2208c6b9df3ac4467951f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ellingsvee/former-solver 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" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "dba755d136f9eefa9dfdaef15462ff41c88b2cc2652b5753f45414e4036160d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dba755d136f9eefa9dfdaef15462ff41c88b2cc2652b5753f45414e4036160d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dba755d136f9eefa9dfdaef15462ff41c88b2cc2652b5753f45414e4036160d5" "/opt/rustwide/cargo-home/bin/cargo" "+e3d12f3322cb00126b2208c6b9df3ac4467951f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dba755d136f9eefa9dfdaef15462ff41c88b2cc2652b5753f45414e4036160d5", kill_on_drop: false }`
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[INFO] [stderr]     Checking former_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::vec`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a_star_search`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::solvers::{a_star_search, anytime_beam_search};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::vec`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::vec;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `a_star_search`
[INFO] [stdout]  --> src/main.rs:8:22
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::solvers::{a_star_search, anytime_beam_search};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BoardData` is never constructed
[INFO] [stdout]   --> src/board.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BoardData {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_BOARDS_PATH` is never used
[INFO] [stdout]   --> src/board.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const DEFAULT_BOARDS_PATH: &str = "daily_boards.json";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/board.rs:56:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Board {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub fn load(date: &str) -> Result<Self, String> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |     fn load_from_path(path: &str, date: &str) -> Result<Self, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn random(shape: (usize, usize), maximum: u8, seed: Option<u64>) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn flip(&self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn relabel(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn to_number(&self) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn canonicalize(&self) -> (Self, bool) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 359 |     pub fn unique_remaining(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 371 |     pub fn children(&mut self) -> Vec<((usize, usize), Board)> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 407 |     pub fn copy(&self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `g_cost`, `h_cost`, `f_cost`, and `into_moves` are never used
[INFO] [stdout]   --> src/solvers.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Node {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn g_cost(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn h_cost(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn f_cost(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn into_moves(self) -> Vec<(usize, usize)> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `breadth_first_search` is never used
[INFO] [stdout]   --> src/solvers.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn breadth_first_search(board: Board) -> Option<Vec<(usize, usize)>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AStarNode` is never constructed
[INFO] [stdout]    --> src/solvers.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct AStarNode(Node);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a_star_search` is never used
[INFO] [stdout]    --> src/solvers.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn a_star_search(board: Board) -> Option<Vec<(usize, usize)>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `no_colors` is never used
[INFO] [stdout]   --> src/visualization.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Visualizer {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn no_colors(mut self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BoardData` is never constructed
[INFO] [stdout]   --> src/board.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BoardData {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_BOARDS_PATH` is never used
[INFO] [stdout]   --> src/board.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const DEFAULT_BOARDS_PATH: &str = "daily_boards.json";
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/board.rs:56:12
[INFO] [stdout]     |
[INFO] [stdout]  27 | impl Board {
[INFO] [stdout]     | ---------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  56 |     pub fn load(date: &str) -> Result<Self, String> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |     fn load_from_path(path: &str, date: &str) -> Result<Self, String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  99 |     pub fn random(shape: (usize, usize), maximum: u8, seed: Option<u64>) -> Self {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 129 |     pub fn flip(&self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     pub fn relabel(&self) -> Self {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     fn to_number(&self) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn canonicalize(&self) -> (Self, bool) {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 359 |     pub fn unique_remaining(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 371 |     pub fn children(&mut self) -> Vec<((usize, usize), Board)> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 407 |     pub fn copy(&self) -> Self {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `g_cost`, `h_cost`, `f_cost`, and `into_moves` are never used
[INFO] [stdout]   --> src/solvers.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Node {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 44 |     fn g_cost(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn h_cost(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |     fn f_cost(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn into_moves(self) -> Vec<(usize, usize)> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `breadth_first_search` is never used
[INFO] [stdout]   --> src/solvers.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn breadth_first_search(board: Board) -> Option<Vec<(usize, usize)>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AStarNode` is never constructed
[INFO] [stdout]    --> src/solvers.rs:112:8
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct AStarNode(Node);
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `a_star_search` is never used
[INFO] [stdout]    --> src/solvers.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 140 | pub fn a_star_search(board: Board) -> Option<Vec<(usize, usize)>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `no_colors` is never used
[INFO] [stdout]   --> src/visualization.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Visualizer {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn no_colors(mut self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.48s
[INFO] running `Command { std: "docker" "inspect" "dba755d136f9eefa9dfdaef15462ff41c88b2cc2652b5753f45414e4036160d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba755d136f9eefa9dfdaef15462ff41c88b2cc2652b5753f45414e4036160d5", kill_on_drop: false }`
[INFO] [stdout] dba755d136f9eefa9dfdaef15462ff41c88b2cc2652b5753f45414e4036160d5
