[INFO] cloning repository https://github.com/rynorris/chess [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rynorris/chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frynorris%2Fchess", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frynorris%2Fchess'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5fa95ec072885a9fd554d80f0aeac4ab051fc89c [INFO] checking rynorris/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%2Frynorris%2Fchess" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rynorris/chess [INFO] finished tweaking git repo https://github.com/rynorris/chess [INFO] tweaked toml for git repo https://github.com/rynorris/chess written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rynorris/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/rynorris/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] afd7f595dcefadc18c8ebf6178a164298f7e1b231dc453d12c019485be85fde4 [INFO] running `Command { std: "docker" "start" "-a" "afd7f595dcefadc18c8ebf6178a164298f7e1b231dc453d12c019485be85fde4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afd7f595dcefadc18c8ebf6178a164298f7e1b231dc453d12c019485be85fde4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afd7f595dcefadc18c8ebf6178a164298f7e1b231dc453d12c019485be85fde4", kill_on_drop: false }` [INFO] [stdout] afd7f595dcefadc18c8ebf6178a164298f7e1b231dc453d12c019485be85fde4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 68058612a47e06b0ad85af5765258ebf66fe41f730781beddfdfe01577e204f2 [INFO] running `Command { std: "docker" "start" "-a" "68058612a47e06b0ad85af5765258ebf66fe41f730781beddfdfe01577e204f2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.70 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking numtoa v0.1.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking cassowary v0.3.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking termion v1.5.6 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking tui v0.15.0 [INFO] [stderr] Compiling derive_more v0.99.13 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.2 [INFO] [stderr] Checking clap v3.0.0-beta.2 [INFO] [stderr] Checking chess-lib v0.1.0 (/opt/rustwide/workdir/chess-lib) [INFO] [stdout] warning: struct `Pin` is never constructed [INFO] [stdout] --> chess-lib/src/moves.rs:165:8 [INFO] [stdout] | [INFO] [stdout] 165 | struct Pin(BitCoord, BitBoard); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> chess-lib/src/zobrist.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | DEFAULT_HASHER.get_or_insert_with(|| Self::from_seed(Self::DEFAULT_SEED)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking chess-ai v0.1.0 (/opt/rustwide/workdir/chess-ai) [INFO] [stdout] warning: struct `Pin` is never constructed [INFO] [stdout] --> chess-lib/src/moves.rs:165:8 [INFO] [stdout] | [INFO] [stdout] 165 | struct Pin(BitCoord, BitBoard); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> chess-lib/src/zobrist.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | DEFAULT_HASHER.get_or_insert_with(|| Self::from_seed(Self::DEFAULT_SEED)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking chess-cli v0.1.0 (/opt/rustwide/workdir/chess-cli) [INFO] [stdout] warning: struct `ChessBoard` is never constructed [INFO] [stdout] --> chess-cli/src/board.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct ChessBoard { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `HBorder` is never used [INFO] [stdout] --> chess-cli/src/board.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | enum HBorder { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `VBorder` is never used [INFO] [stdout] --> chess-cli/src/board.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | enum VBorder { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `symbol_for_piece` is never used [INFO] [stdout] --> chess-cli/src/board.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn symbol_for_piece(piece: Piece) -> &'static str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> chess-cli/src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / #[clap(short, long)] [INFO] [stdout] 30 | | fen: String, [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> chess-cli/src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | / #[clap(short, long)] [INFO] [stdout] 39 | | fen: String, [INFO] [stdout] | |_______________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> chess-cli/src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | / #[clap(short, long)] [INFO] [stdout] 51 | | piece: String, [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> chess-cli/src/main.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | / #[clap(short, long)] [INFO] [stdout] 60 | | sourcefile: Option, [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `chess-cli` (bin "chess-cli") due to 4 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `ChessBoard` is never constructed [INFO] [stdout] --> chess-cli/src/board.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct ChessBoard { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `HBorder` is never used [INFO] [stdout] --> chess-cli/src/board.rs:19:6 [INFO] [stdout] | [INFO] [stdout] 19 | enum HBorder { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `VBorder` is never used [INFO] [stdout] --> chess-cli/src/board.rs:26:6 [INFO] [stdout] | [INFO] [stdout] 26 | enum VBorder { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `symbol_for_piece` is never used [INFO] [stdout] --> chess-cli/src/board.rs:33:4 [INFO] [stdout] | [INFO] [stdout] 33 | fn symbol_for_piece(piece: Piece) -> &'static str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> chess-cli/src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / #[clap(short, long)] [INFO] [stdout] 30 | | fen: String, [INFO] [stdout] | |_______________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> chess-cli/src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | / #[clap(short, long)] [INFO] [stdout] 39 | | fen: String, [INFO] [stdout] | |_______________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> chess-cli/src/main.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | / #[clap(short, long)] [INFO] [stdout] 51 | | piece: String, [INFO] [stdout] | |_________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> chess-cli/src/main.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | / #[clap(short, long)] [INFO] [stdout] 60 | | sourcefile: Option, [INFO] [stdout] | |______________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `chess-cli` (bin "chess-cli" test) due to 4 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "68058612a47e06b0ad85af5765258ebf66fe41f730781beddfdfe01577e204f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68058612a47e06b0ad85af5765258ebf66fe41f730781beddfdfe01577e204f2", kill_on_drop: false }` [INFO] [stdout] 68058612a47e06b0ad85af5765258ebf66fe41f730781beddfdfe01577e204f2