[INFO] cloning repository https://github.com/AbyssPortal/RustChess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AbyssPortal/RustChess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbyssPortal%2FRustChess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbyssPortal%2FRustChess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77c9bb6403ae443b78763dfbca2ca70b60815ff7
[INFO] checking AbyssPortal/RustChess against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbyssPortal%2FRustChess" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/AbyssPortal/RustChess
[INFO] finished tweaking git repo https://github.com/AbyssPortal/RustChess
[INFO] tweaked toml for git repo https://github.com/AbyssPortal/RustChess written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AbyssPortal/RustChess on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/AbyssPortal/RustChess 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2032c95012bf3a71bf4eab958e9ee2fc5ea87e7f87e46d2deffc3d1a2cb767b
[INFO] running `Command { std: "docker" "start" "-a" "f2032c95012bf3a71bf4eab958e9ee2fc5ea87e7f87e46d2deffc3d1a2cb767b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2032c95012bf3a71bf4eab958e9ee2fc5ea87e7f87e46d2deffc3d1a2cb767b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2032c95012bf3a71bf4eab958e9ee2fc5ea87e7f87e46d2deffc3d1a2cb767b", kill_on_drop: false }`
[INFO] [stdout] f2032c95012bf3a71bf4eab958e9ee2fc5ea87e7f87e46d2deffc3d1a2cb767b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3deb54ca8201065ea04083ba7dda032622882d20aeca706ce22c41ca9b3e6426
[INFO] running `Command { std: "docker" "start" "-a" "3deb54ca8201065ea04083ba7dda032622882d20aeca706ce22c41ca9b3e6426", kill_on_drop: false }`
[INFO] [stderr]     Checking text_io v0.1.12
[INFO] [stderr]     Checking rust_chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chess::*`
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use chess::*;
[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: `chess_io::*`
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use chess_io::*;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chess::*`
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use chess::*;
[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: `chess_io::*`
[INFO] [stdout]  --> src/lib.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use chess_io::*;
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_squares` is never used
[INFO] [stdout]    --> src/chess.rs:148:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |     impl<'a> Board {
[INFO] [stdout]     |     -------------- method in this implementation
[INFO] [stdout] 148 |         pub fn get_squares(&'a self) -> &'a [[Option<Piece>; BOARD_SIZE]; BOARD_SIZE] {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/chess.rs:955:31
[INFO] [stdout]     |
[INFO] [stdout] 955 |         UnrecognizedCharacter(char),
[INFO] [stdout]     |         --------------------- ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FenError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 955 -         UnrecognizedCharacter(char),
[INFO] [stdout] 955 +         UnrecognizedCharacter(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_squares` is never used
[INFO] [stdout]    --> src/chess.rs:148:16
[INFO] [stdout]     |
[INFO] [stdout] 147 |     impl<'a> Board {
[INFO] [stdout]     |     -------------- method in this implementation
[INFO] [stdout] 148 |         pub fn get_squares(&'a self) -> &'a [[Option<Piece>; BOARD_SIZE]; BOARD_SIZE] {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/chess.rs:955:31
[INFO] [stdout]     |
[INFO] [stdout] 955 |         UnrecognizedCharacter(char),
[INFO] [stdout]     |         --------------------- ^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FenError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 955 -         UnrecognizedCharacter(char),
[INFO] [stdout] 955 +         UnrecognizedCharacter(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "3deb54ca8201065ea04083ba7dda032622882d20aeca706ce22c41ca9b3e6426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3deb54ca8201065ea04083ba7dda032622882d20aeca706ce22c41ca9b3e6426", kill_on_drop: false }`
[INFO] [stdout] 3deb54ca8201065ea04083ba7dda032622882d20aeca706ce22c41ca9b3e6426
