[INFO] cloning repository https://github.com/joshpencheon/chess-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshpencheon/chess-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshpencheon%2Fchess-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshpencheon%2Fchess-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0f0939b985e59926998fdd316dc2734575af5bd
[INFO] checking joshpencheon/chess-rs against try#5d96fa0e954d77528204a1ba3b8847ec083c779b for pr-153457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshpencheon%2Fchess-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joshpencheon/chess-rs
[INFO] finished tweaking git repo https://github.com/joshpencheon/chess-rs
[INFO] tweaked toml for git repo https://github.com/joshpencheon/chess-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joshpencheon/chess-rs on toolchain 5d96fa0e954d77528204a1ba3b8847ec083c779b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/joshpencheon/chess-rs 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" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dcfaa6aafb343f897b3677f4e79fa9d6d6582912ba97649baf9d924a5d5684f
[INFO] running `Command { std: "docker" "start" "-a" "5dcfaa6aafb343f897b3677f4e79fa9d6d6582912ba97649baf9d924a5d5684f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dcfaa6aafb343f897b3677f4e79fa9d6d6582912ba97649baf9d924a5d5684f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dcfaa6aafb343f897b3677f4e79fa9d6d6582912ba97649baf9d924a5d5684f", kill_on_drop: false }`
[INFO] [stdout] 5dcfaa6aafb343f897b3677f4e79fa9d6d6582912ba97649baf9d924a5d5684f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5d96fa0e954d77528204a1ba3b8847ec083c779b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7ba1294c845390223ab74c94a4ce5872fea10ec474c1b1189f72b4ef0b1fd85
[INFO] running `Command { std: "docker" "start" "-a" "c7ba1294c845390223ab74c94a4ce5872fea10ec474c1b1189f72b4ef0b1fd85", kill_on_drop: false }`
[INFO] [stderr]     Checking chess-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `piece_type`, `colour`, `file`, and `rank` are never read
[INFO] [stdout]  --> src/piece.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Piece {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 3 |     piece_type: PieceType,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 4 |     colour: Colour,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     file: File,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     rank: Rank
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Piece` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `piece_type`, `colour`, `file`, and `rank` are never read
[INFO] [stdout]  --> src/piece.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Piece {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 3 |     piece_type: PieceType,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 4 |     colour: Colour,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     file: File,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     rank: Rank
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Piece` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/piece.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Colour {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 22 |     White,
[INFO] [stdout] 23 |     Black
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Colour` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/piece.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub enum Colour {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] 22 |     White,
[INFO] [stdout] 23 |     Black
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Colour` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pawn`, `Rook`, `Bishop`, `Queen`, and `King` are never constructed
[INFO] [stdout]   --> src/piece.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum PieceType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 32 |     Pawn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     Rook,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     Knight,
[INFO] [stdout] 35 |     Bishop,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 36 |     Queen,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     King
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pieces` is never read
[INFO] [stdout]  --> src/position.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Position {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     pieces: Vec<Piece>
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pawn`, `Rook`, `Bishop`, `Queen`, and `King` are never constructed
[INFO] [stdout]   --> src/piece.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub enum PieceType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 32 |     Pawn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 33 |     Rook,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     Knight,
[INFO] [stdout] 35 |     Bishop,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 36 |     Queen,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 37 |     King
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pieces` is never read
[INFO] [stdout]  --> src/position.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Position {
[INFO] [stdout]   |            -------- field in this struct
[INFO] [stdout] 5 |     pieces: Vec<Piece>
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Position` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] running `Command { std: "docker" "inspect" "c7ba1294c845390223ab74c94a4ce5872fea10ec474c1b1189f72b4ef0b1fd85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7ba1294c845390223ab74c94a4ce5872fea10ec474c1b1189f72b4ef0b1fd85", kill_on_drop: false }`
[INFO] [stdout] c7ba1294c845390223ab74c94a4ce5872fea10ec474c1b1189f72b4ef0b1fd85
