[INFO] cloning repository https://github.com/ASchneidman/chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ASchneidman/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FASchneidman%2Fchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FASchneidman%2Fchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 131057dcb53bc3f8453239560fa401b30f45f5ee
[INFO] checking ASchneidman/chess against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FASchneidman%2Fchess" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ASchneidman/chess
[INFO] finished tweaking git repo https://github.com/ASchneidman/chess
[INFO] tweaked toml for git repo https://github.com/ASchneidman/chess written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ASchneidman/chess on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ASchneidman/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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8e699d417806ff634f7c66b8b4940de5633fa6dfbd720cb5bb79b0a82cd5d69
[INFO] running `Command { std: "docker" "start" "-a" "c8e699d417806ff634f7c66b8b4940de5633fa6dfbd720cb5bb79b0a82cd5d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8e699d417806ff634f7c66b8b4940de5633fa6dfbd720cb5bb79b0a82cd5d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e699d417806ff634f7c66b8b4940de5633fa6dfbd720cb5bb79b0a82cd5d69", kill_on_drop: false }`
[INFO] [stdout] c8e699d417806ff634f7c66b8b4940de5633fa6dfbd720cb5bb79b0a82cd5d69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a22bf1cab48f8d344ba739ca246d76c36b115e663e8ee899a81d6a2db53e6f73
[INFO] running `Command { std: "docker" "start" "-a" "a22bf1cab48f8d344ba739ca246d76c36b115e663e8ee899a81d6a2db53e6f73", kill_on_drop: false }`
[INFO] [stderr]     Checking inline_colorization v0.1.6
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `side` is never read
[INFO] [stdout]  --> src/fen.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut side = piece::Side::White;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/fen.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn board_to_fen(board: &Vec<Piece>) -> &str {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `side` is never read
[INFO] [stdout]    --> src/main.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut side = piece::Side::White;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `board_to_fen` is never used
[INFO] [stdout]    --> src/fen.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn board_to_fen(board: &Vec<Piece>) -> &str {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `side` is never read
[INFO] [stdout]  --> src/fen.rs:9:20
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut side = piece::Side::White;
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `board`
[INFO] [stdout]    --> src/fen.rs:111:21
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn board_to_fen(board: &Vec<Piece>) -> &str {
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_board`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `side` is never read
[INFO] [stdout]    --> src/main.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut side = piece::Side::White;
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `board_to_fen` is never used
[INFO] [stdout]    --> src/fen.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn board_to_fen(board: &Vec<Piece>) -> &str {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "a22bf1cab48f8d344ba739ca246d76c36b115e663e8ee899a81d6a2db53e6f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22bf1cab48f8d344ba739ca246d76c36b115e663e8ee899a81d6a2db53e6f73", kill_on_drop: false }`
[INFO] [stdout] a22bf1cab48f8d344ba739ca246d76c36b115e663e8ee899a81d6a2db53e6f73
