[INFO] cloning repository https://github.com/eliasffyksen/RustyBoard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eliasffyksen/RustyBoard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliasffyksen%2FRustyBoard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliasffyksen%2FRustyBoard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24302ee186cc0d1be0b3be91eed586f11276a003
[INFO] checking eliasffyksen/RustyBoard against master#73252d51d13c0e4f872c3c51defcf48174860ef6 for pr-119989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliasffyksen%2FRustyBoard" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eliasffyksen/RustyBoard on toolchain 73252d51d13c0e4f872c3c51defcf48174860ef6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+73252d51d13c0e4f872c3c51defcf48174860ef6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eliasffyksen/RustyBoard
[INFO] finished tweaking git repo https://github.com/eliasffyksen/RustyBoard
[INFO] tweaked toml for git repo https://github.com/eliasffyksen/RustyBoard written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/eliasffyksen/RustyBoard 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" "+73252d51d13c0e4f872c3c51defcf48174860ef6" "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 eliasffyksen/RustyBoard against try#5d004039df46bb665b8ed6385386e3b1b007a6a8 for pr-119989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliasffyksen%2FRustyBoard" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eliasffyksen/RustyBoard on toolchain 5d004039df46bb665b8ed6385386e3b1b007a6a8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eliasffyksen/RustyBoard
[INFO] finished tweaking git repo https://github.com/eliasffyksen/RustyBoard
[INFO] tweaked toml for git repo https://github.com/eliasffyksen/RustyBoard written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/eliasffyksen/RustyBoard 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" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a385031ff087a5077a6479967c98a3bc5cf0424bf2f44e1ec65d4d760db5ffc
[INFO] running `Command { std: "docker" "start" "-a" "6a385031ff087a5077a6479967c98a3bc5cf0424bf2f44e1ec65d4d760db5ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a385031ff087a5077a6479967c98a3bc5cf0424bf2f44e1ec65d4d760db5ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a385031ff087a5077a6479967c98a3bc5cf0424bf2f44e1ec65d4d760db5ffc", kill_on_drop: false }`
[INFO] [stdout] 6a385031ff087a5077a6479967c98a3bc5cf0424bf2f44e1ec65d4d760db5ffc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5d004039df46bb665b8ed6385386e3b1b007a6a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c553b84f50518571225cd08a7d410918a7bdcfadbf19c60d42d9ba0e20532bb
[INFO] running `Command { std: "docker" "start" "-a" "5c553b84f50518571225cd08a7d410918a7bdcfadbf19c60d42d9ba0e20532bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking getrandom v0.2.8
[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 chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]   --> src/games/chess/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random::RandomPlayer`
[INFO] [stdout]  --> src/players/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use random::RandomPlayer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]   --> src/games/chess/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fmt;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random::RandomPlayer`
[INFO] [stdout]  --> src/players/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use random::RandomPlayer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pawn`, `Knight`, `Rook`, `Bishop`, `Queen`, and `King` are never constructed
[INFO] [stdout]  --> src/games/chess/mod.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Piece {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 4 |   Pawn,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 5 |   Knight,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 6 |   Rook,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 7 |   Bishop,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 8 |   Queen,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 9 |   King(bool), // Whether it has moved or not
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Piece` 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: variants `Blank`, `White`, and `Black` are never constructed
[INFO] [stdout]   --> src/games/chess/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Square {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 18 |   Blank,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 19 |   White(Piece),
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 20 |   Black(Piece),
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Square` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/games/chess/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct State {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init_board`, and `init_piece` are never used
[INFO] [stdout]   --> src/games/chess/mod.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 34 |   pub fn new() -> State {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |   fn init_board(&mut self) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |   fn init_piece(&mut self, piece: Piece, place: usize) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/players/random.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<R> RandomPlayer<R> where R: rand::Rng {
[INFO] [stdout]   | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(rng: R) -> RandomPlayer<R> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pawn`, `Knight`, `Rook`, `Bishop`, `Queen`, and `King` are never constructed
[INFO] [stdout]  --> src/games/chess/mod.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Piece {
[INFO] [stdout]   |      ----- variants in this enum
[INFO] [stdout] 4 |   Pawn,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 5 |   Knight,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 6 |   Rook,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 7 |   Bishop,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 8 |   Queen,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 9 |   King(bool), // Whether it has moved or not
[INFO] [stdout]   |   ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Piece` 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: variants `Blank`, `White`, and `Black` are never constructed
[INFO] [stdout]   --> src/games/chess/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Square {
[INFO] [stdout]    |      ------ variants in this enum
[INFO] [stdout] 18 |   Blank,
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 19 |   White(Piece),
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 20 |   Black(Piece),
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Square` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/games/chess/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct State {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init_board`, and `init_piece` are never used
[INFO] [stdout]   --> src/games/chess/mod.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 34 |   pub fn new() -> State {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |   fn init_board(&mut self) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |   fn init_piece(&mut self, piece: Piece, place: usize) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/players/random.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<R> RandomPlayer<R> where R: rand::Rng {
[INFO] [stdout]   | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(rng: R) -> RandomPlayer<R> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "5c553b84f50518571225cd08a7d410918a7bdcfadbf19c60d42d9ba0e20532bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c553b84f50518571225cd08a7d410918a7bdcfadbf19c60d42d9ba0e20532bb", kill_on_drop: false }`
[INFO] [stdout] 5c553b84f50518571225cd08a7d410918a7bdcfadbf19c60d42d9ba0e20532bb