[INFO] cloning repository https://github.com/ruggeri/sudoku_solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruggeri/sudoku_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6f77304a6366925acd849c5f564446cb7245b76 [INFO] checking ruggeri/sudoku_solver against master#453ceafce32ef8108c604bca5e165ab41d3d6d8c for pr-124187 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ruggeri/sudoku_solver on toolchain 453ceafce32ef8108c604bca5e165ab41d3d6d8c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] finished tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] tweaked toml for git repo https://github.com/ruggeri/sudoku_solver written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ruggeri/sudoku_solver 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" "+453ceafce32ef8108c604bca5e165ab41d3d6d8c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] checking ruggeri/sudoku_solver against try#773c42f0166e62a538b8fa36161b0c6df69a9640 for pr-124187 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ruggeri/sudoku_solver on toolchain 773c42f0166e62a538b8fa36161b0c6df69a9640 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] finished tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] tweaked toml for git repo https://github.com/ruggeri/sudoku_solver written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ruggeri/sudoku_solver 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" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "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] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking ruggeri/sudoku_solver against try#773c42f0166e62a538b8fa36161b0c6df69a9640 for pr-124187 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruggeri%2Fsudoku_solver" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ruggeri/sudoku_solver on toolchain 773c42f0166e62a538b8fa36161b0c6df69a9640 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] finished tweaking git repo https://github.com/ruggeri/sudoku_solver [INFO] tweaked toml for git repo https://github.com/ruggeri/sudoku_solver written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ruggeri/sudoku_solver 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" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 70cb90347aa520ea8524ff9584915f1861ff067dce2401fd1f08f9dee1ee2a89 [INFO] running `Command { std: "docker" "start" "-a" "70cb90347aa520ea8524ff9584915f1861ff067dce2401fd1f08f9dee1ee2a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "70cb90347aa520ea8524ff9584915f1861ff067dce2401fd1f08f9dee1ee2a89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70cb90347aa520ea8524ff9584915f1861ff067dce2401fd1f08f9dee1ee2a89", kill_on_drop: false }` [INFO] [stdout] 70cb90347aa520ea8524ff9584915f1861ff067dce2401fd1f08f9dee1ee2a89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+773c42f0166e62a538b8fa36161b0c6df69a9640" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43e7840805ad01617fc872d575d31ba7e88a765e238d3c04b32318ce81c2ce6f [INFO] running `Command { std: "docker" "start" "-a" "43e7840805ad01617fc872d575d31ba7e88a765e238d3c04b32318ce81c2ce6f", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Checking sudoku_solving v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:68:11 [INFO] [stdout] | [INFO] [stdout] 68 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:128:11 [INFO] [stdout] | [INFO] [stdout] 128 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:177:11 [INFO] [stdout] | [INFO] [stdout] 177 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/group_checker.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `needless_bool` [INFO] [stdout] --> src/checker/group_checker.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:68:11 [INFO] [stdout] | [INFO] [stdout] 68 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unknown_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:128:11 [INFO] [stdout] | [INFO] [stdout] 128 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/grid_checker.rs:177:11 [INFO] [stdout] | [INFO] [stdout] 177 | #[allow(if_same_then_else)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `if_same_then_else` [INFO] [stdout] --> src/checker/group_checker.rs:42:11 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unknown lint: `needless_bool` [INFO] [stdout] --> src/checker/group_checker.rs:42:30 [INFO] [stdout] | [INFO] [stdout] 42 | #[allow(if_same_then_else, needless_bool)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/checker/grid_checker.rs:27:57 [INFO] [stdout] | [INFO] [stdout] 27 | ... SUDOKU_DIM_USIZE] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/checker/grid_checker.rs:27:57 [INFO] [stdout] | [INFO] [stdout] 27 | ... SUDOKU_DIM_USIZE] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[SudokuGroupConflictChecker; 16]; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/checker/grid_checker.rs:27:52 [INFO] [stdout] | [INFO] [stdout] 27 | ... SUDOKU_DIM_USIZE] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/checker/group_checker.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | value_conflicts: [u8; SUDOKU_DIM_USIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[SudokuGroupConflictChecker; 16]; 16]` does not permit being left uninitialized [INFO] [stdout] --> src/checker/grid_checker.rs:27:52 [INFO] [stdout] | [INFO] [stdout] 27 | ... SUDOKU_DIM_USIZE] = mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: integers must be initialized (in this struct field) [INFO] [stdout] --> src/checker/group_checker.rs:11:3 [INFO] [stdout] | [INFO] [stdout] 11 | value_conflicts: [u8; SUDOKU_DIM_USIZE], [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue` [INFO] [stdout] --> src/main.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SudokuChoice`, `SudokuPosition`, `SudokuValue` [INFO] [stdout] --> src/main.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | core::{SudokuChoice, SudokuGrid, SudokuPosition, SudokuValue}, [INFO] [stdout] | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.21s [INFO] running `Command { std: "docker" "inspect" "43e7840805ad01617fc872d575d31ba7e88a765e238d3c04b32318ce81c2ce6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43e7840805ad01617fc872d575d31ba7e88a765e238d3c04b32318ce81c2ce6f", kill_on_drop: false }` [INFO] [stdout] 43e7840805ad01617fc872d575d31ba7e88a765e238d3c04b32318ce81c2ce6f