[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#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[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] 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] validating manifest of git repo https://github.com/eliasffyksen/RustyBoard on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ee1e39422ebb610afdcafc05b0a7f5bfe8fded051a1e65bb2f3c46403e2c480
[INFO] running `Command { std: "docker" "start" "-a" "0ee1e39422ebb610afdcafc05b0a7f5bfe8fded051a1e65bb2f3c46403e2c480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ee1e39422ebb610afdcafc05b0a7f5bfe8fded051a1e65bb2f3c46403e2c480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ee1e39422ebb610afdcafc05b0a7f5bfe8fded051a1e65bb2f3c46403e2c480", kill_on_drop: false }`
[INFO] [stdout] 0ee1e39422ebb610afdcafc05b0a7f5bfe8fded051a1e65bb2f3c46403e2c480
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4148c762ccc3bf99897472805fd9895da5072199d4b9c9599cb9620646452582
[INFO] running `Command { std: "docker" "start" "-a" "4148c762ccc3bf99897472805fd9895da5072199d4b9c9599cb9620646452582", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]     Checking cfg-if v1.0.0
[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: enum `Piece` is never used
[INFO] [stdout]  --> src/games/chess/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Piece {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Square` is never used
[INFO] [stdout]   --> src/games/chess/mod.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Square {
[INFO] [stdout]    |      ^^^^^^
[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: struct `RandomPlayer` is never constructed
[INFO] [stdout]  --> src/players/random.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RandomPlayer<R> where R: rand::Rng {
[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: enum `Piece` is never used
[INFO] [stdout]  --> src/games/chess/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Piece {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Square` is never used
[INFO] [stdout]   --> src/games/chess/mod.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Square {
[INFO] [stdout]    |      ^^^^^^
[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: struct `RandomPlayer` is never constructed
[INFO] [stdout]  --> src/players/random.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RandomPlayer<R> where R: rand::Rng {
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.18s
[INFO] running `Command { std: "docker" "inspect" "4148c762ccc3bf99897472805fd9895da5072199d4b9c9599cb9620646452582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4148c762ccc3bf99897472805fd9895da5072199d4b9c9599cb9620646452582", kill_on_drop: false }`
[INFO] [stdout] 4148c762ccc3bf99897472805fd9895da5072199d4b9c9599cb9620646452582