[INFO] cloning repository https://github.com/nilsve/sudoku [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilsve/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsve%2Fsudoku", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsve%2Fsudoku'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 59b7b0d53d9b2159b618879a9017e2824e06e02c [INFO] building nilsve/sudoku against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsve%2Fsudoku" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nilsve/sudoku on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nilsve/sudoku [INFO] finished tweaking git repo https://github.com/nilsve/sudoku [INFO] tweaked toml for git repo https://github.com/nilsve/sudoku written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nilsve/sudoku 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" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] building nilsve/sudoku against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsve%2Fsudoku" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nilsve/sudoku on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nilsve/sudoku [INFO] finished tweaking git repo https://github.com/nilsve/sudoku [INFO] tweaked toml for git repo https://github.com/nilsve/sudoku written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nilsve/sudoku 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" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5497fbc28806ef5d376ab7d388ab24511992a274e4eaa4f95e9e296a27fe977e [INFO] running `Command { std: "docker" "start" "-a" "5497fbc28806ef5d376ab7d388ab24511992a274e4eaa4f95e9e296a27fe977e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5497fbc28806ef5d376ab7d388ab24511992a274e4eaa4f95e9e296a27fe977e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5497fbc28806ef5d376ab7d388ab24511992a274e4eaa4f95e9e296a27fe977e", kill_on_drop: false }` [INFO] [stdout] 5497fbc28806ef5d376ab7d388ab24511992a274e4eaa4f95e9e296a27fe977e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8aaea09889e594304159659a6e8ac8c3f7f69a3e9afc34d5d55cada6a81ac252 [INFO] running `Command { std: "docker" "start" "-a" "8aaea09889e594304159659a6e8ac8c3f7f69a3e9afc34d5d55cada6a81ac252", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.71 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/engine/game.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | for i in 0..max_tries { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BlockCoord` is never constructed [INFO] [stdout] --> src/engine/board.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct BlockCoord; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BlockCoord` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TileCoord` is never constructed [INFO] [stdout] --> src/engine/board.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct TileCoord; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TileCoord` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `MultipleSolutionsAvailable` is never constructed [INFO] [stdout] --> src/engine/board_generator.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum BoardGeneratorError { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 13 | MultipleSolutionsAvailable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BoardGeneratorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `history`, `current`, and `solved` are never read [INFO] [stdout] --> src/engine/game.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Game { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 9 | pub history: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 10 | pub current: Board, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | pub solved: Board, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.94s [INFO] running `Command { std: "docker" "inspect" "8aaea09889e594304159659a6e8ac8c3f7f69a3e9afc34d5d55cada6a81ac252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aaea09889e594304159659a6e8ac8c3f7f69a3e9afc34d5d55cada6a81ac252", kill_on_drop: false }` [INFO] [stdout] 8aaea09889e594304159659a6e8ac8c3f7f69a3e9afc34d5d55cada6a81ac252 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8937c3cce067d87621775d54080e3913706da9e147d6c0dbe4efa284a39a06d3 [INFO] running `Command { std: "docker" "start" "-a" "8937c3cce067d87621775d54080e3913706da9e147d6c0dbe4efa284a39a06d3", kill_on_drop: false }` [INFO] [stderr] Compiling sudoku v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/engine/game.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | for i in 0..max_tries { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `BlockCoord` is never constructed [INFO] [stdout] --> src/engine/board.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub struct BlockCoord; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BlockCoord` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TileCoord` is never constructed [INFO] [stdout] --> src/engine/board.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct TileCoord; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TileCoord` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `MultipleSolutionsAvailable` is never constructed [INFO] [stdout] --> src/engine/board_generator.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum BoardGeneratorError { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 13 | MultipleSolutionsAvailable, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BoardGeneratorError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `history`, `current`, and `solved` are never read [INFO] [stdout] --> src/engine/game.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Game { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 9 | pub history: Vec, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 10 | pub current: Board, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | pub solved: Board, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "8937c3cce067d87621775d54080e3913706da9e147d6c0dbe4efa284a39a06d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8937c3cce067d87621775d54080e3913706da9e147d6c0dbe4efa284a39a06d3", kill_on_drop: false }` [INFO] [stdout] 8937c3cce067d87621775d54080e3913706da9e147d6c0dbe4efa284a39a06d3