[INFO] cloning repository https://github.com/kiemonbb/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kiemonbb/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiemonbb%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiemonbb%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78fb6ca883b8a377d3cb8be79db851ac446a097e
[INFO] checking kiemonbb/rust-chess against master#ba7e63b63871a429533c189adbfb1d9a6337e000 for pr-135331-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkiemonbb%2Frust-chess" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kiemonbb/rust-chess
[INFO] finished tweaking git repo https://github.com/kiemonbb/rust-chess
[INFO] tweaked toml for git repo https://github.com/kiemonbb/rust-chess written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kiemonbb/rust-chess on toolchain ba7e63b63871a429533c189adbfb1d9a6337e000
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kiemonbb/rust-chess 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" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e12030ec5cc499ad93795920d543a565067b99664c0afa72d8a3985ff646b549
[INFO] running `Command { std: "docker" "start" "-a" "e12030ec5cc499ad93795920d543a565067b99664c0afa72d8a3985ff646b549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e12030ec5cc499ad93795920d543a565067b99664c0afa72d8a3985ff646b549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12030ec5cc499ad93795920d543a565067b99664c0afa72d8a3985ff646b549", kill_on_drop: false }`
[INFO] [stdout] e12030ec5cc499ad93795920d543a565067b99664c0afa72d8a3985ff646b549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+ba7e63b63871a429533c189adbfb1d9a6337e000" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79b8e91fc744cc2ce0c4cb35665f5326bf0ba7822da3bd17a3c3685e1ca178a4
[INFO] running `Command { std: "docker" "start" "-a" "79b8e91fc744cc2ce0c4cb35665f5326bf0ba7822da3bd17a3c3685e1ca178a4", kill_on_drop: false }`
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> src/board.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Board {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_index` is never used
[INFO] [stdout]   --> src/board.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Piece {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 28 |     fn get_index(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `set`, `set_bit`, and `clear_bit` are never used
[INFO] [stdout]   --> src/board.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 34 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn get(&self, piece: Piece) -> u64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn set(&mut self, piece: Piece, bitboard: u64) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set_bit(&mut self, piece: Piece, square: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn clear_bit(&mut self, piece: Piece, square: usize) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> src/board.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Board {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_index` is never used
[INFO] [stdout]   --> src/board.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl Piece {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 28 |     fn get_index(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get`, `set`, `set_bit`, and `clear_bit` are never used
[INFO] [stdout]   --> src/board.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Board {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 34 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 41 |     pub fn get(&self, piece: Piece) -> u64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn set(&mut self, piece: Piece, bitboard: u64) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn set_bit(&mut self, piece: Piece, square: usize) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     pub fn clear_bit(&mut self, piece: Piece, square: usize) {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "79b8e91fc744cc2ce0c4cb35665f5326bf0ba7822da3bd17a3c3685e1ca178a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b8e91fc744cc2ce0c4cb35665f5326bf0ba7822da3bd17a3c3685e1ca178a4", kill_on_drop: false }`
[INFO] [stdout] 79b8e91fc744cc2ce0c4cb35665f5326bf0ba7822da3bd17a3c3685e1ca178a4