[INFO] cloning repository https://github.com/micaherne/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/micaherne/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicaherne%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicaherne%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75ca3ae3331971bff33195df12976e41a62833d6
[INFO] checking micaherne/rust-chess against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicaherne%2Frust-chess" "/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/micaherne/rust-chess
[INFO] finished tweaking git repo https://github.com/micaherne/rust-chess
[INFO] tweaked toml for git repo https://github.com/micaherne/rust-chess written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/micaherne/rust-chess on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/micaherne/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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eadeb816ba651ba8bdb9eabe819573af7fb89b9aa37a0babcfd49cc946ea570a
[INFO] running `Command { std: "docker" "start" "-a" "eadeb816ba651ba8bdb9eabe819573af7fb89b9aa37a0babcfd49cc946ea570a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eadeb816ba651ba8bdb9eabe819573af7fb89b9aa37a0babcfd49cc946ea570a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eadeb816ba651ba8bdb9eabe819573af7fb89b9aa37a0babcfd49cc946ea570a", kill_on_drop: false }`
[INFO] [stdout] eadeb816ba651ba8bdb9eabe819573af7fb89b9aa37a0babcfd49cc946ea570a
[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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0f03c3684a5728b0ffe30efe0ec922b13a7aa462e1597d86e313ab0d5d67208
[INFO] running `Command { std: "docker" "start" "-a" "a0f03c3684a5728b0ffe30efe0ec922b13a7aa462e1597d86e313ab0d5d67208", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking chess-uci v0.1.0 (/opt/rustwide/workdir/chess-uci)
[INFO] [stderr]     Checking rust-chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `PIECE_TABLES` is never used
[INFO] [stdout]   --> src/position64/evaluate.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const PIECE_TABLES: [PieceSquareTable; PIECE_COUNT] = generate_tables();
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Fen, Infallible>
[INFO] [stdout]   --> src/fen.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         s.try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-chess` (bin "rust-chess" test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: constant `PIECE_TABLES` is never used
[INFO] [stdout]   --> src/position64/evaluate.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const PIECE_TABLES: [PieceSquareTable; PIECE_COUNT] = generate_tables();
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generate_tables` is never used
[INFO] [stdout]   --> src/position64/evaluate.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | const fn generate_tables() -> [PieceSquareTable; PIECE_COUNT] {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Fen, Infallible>
[INFO] [stdout]   --> src/fen.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         s.try_into().unwrap()
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-chess` (bin "rust-chess") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a0f03c3684a5728b0ffe30efe0ec922b13a7aa462e1597d86e313ab0d5d67208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0f03c3684a5728b0ffe30efe0ec922b13a7aa462e1597d86e313ab0d5d67208", kill_on_drop: false }`
[INFO] [stdout] a0f03c3684a5728b0ffe30efe0ec922b13a7aa462e1597d86e313ab0d5d67208
