[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 try#0bdee9e879c87b7211d316e9152109cfd46c576b for pr-150097
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbyssPortal%2FRustChess" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/AbyssPortal/RustChess on toolchain 0bdee9e879c87b7211d316e9152109cfd46c576b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "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" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d61e4d2165bbe132edcfbd745d189035d209742760e3eabf9fdc61c3a19d72d7
[INFO] running `Command { std: "docker" "start" "-a" "d61e4d2165bbe132edcfbd745d189035d209742760e3eabf9fdc61c3a19d72d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d61e4d2165bbe132edcfbd745d189035d209742760e3eabf9fdc61c3a19d72d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61e4d2165bbe132edcfbd745d189035d209742760e3eabf9fdc61c3a19d72d7", kill_on_drop: false }`
[INFO] [stdout] d61e4d2165bbe132edcfbd745d189035d209742760e3eabf9fdc61c3a19d72d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0bdee9e879c87b7211d316e9152109cfd46c576b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df5821e14b4bbf804ab97da22e8d0ceccc78ad8d4cfeb381d4807d56c81f0228
[INFO] running `Command { std: "docker" "start" "-a" "df5821e14b4bbf804ab97da22e8d0ceccc78ad8d4cfeb381d4807d56c81f0228", 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 0.67s
[INFO] running `Command { std: "docker" "inspect" "df5821e14b4bbf804ab97da22e8d0ceccc78ad8d4cfeb381d4807d56c81f0228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5821e14b4bbf804ab97da22e8d0ceccc78ad8d4cfeb381d4807d56c81f0228", kill_on_drop: false }`
[INFO] [stdout] df5821e14b4bbf804ab97da22e8d0ceccc78ad8d4cfeb381d4807d56c81f0228
