[INFO] cloning repository https://github.com/kennethc45/sudoku
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kennethc45/sudoku" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethc45%2Fsudoku", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethc45%2Fsudoku'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de646a2d2603ccbb85628642de4881bc75c06b51
[INFO] checking kennethc45/sudoku against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethc45%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] started tweaking git repo https://github.com/kennethc45/sudoku
[INFO] finished tweaking git repo https://github.com/kennethc45/sudoku
[INFO] tweaked toml for git repo https://github.com/kennethc45/sudoku written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kennethc45/sudoku on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kennethc45/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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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
[INFO] checking kennethc45/sudoku against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethc45%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] started tweaking git repo https://github.com/kennethc45/sudoku
[INFO] finished tweaking git repo https://github.com/kennethc45/sudoku
[INFO] tweaked toml for git repo https://github.com/kennethc45/sudoku written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kennethc45/sudoku on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kennethc45/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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2bbc00007203327bee5eb2688ac86ed3ad3bf8a904de8c4b320f2c25ab7d033
[INFO] running `Command { std: "docker" "start" "-a" "c2bbc00007203327bee5eb2688ac86ed3ad3bf8a904de8c4b320f2c25ab7d033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2bbc00007203327bee5eb2688ac86ed3ad3bf8a904de8c4b320f2c25ab7d033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2bbc00007203327bee5eb2688ac86ed3ad3bf8a904de8c4b320f2c25ab7d033", kill_on_drop: false }`
[INFO] [stdout] c2bbc00007203327bee5eb2688ac86ed3ad3bf8a904de8c4b320f2c25ab7d033
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1042b07dc8ce2dc74285189c4285ea3f1e3118e061d4d26bd330db377d0715b3
[INFO] running `Command { std: "docker" "start" "-a" "1042b07dc8ce2dc74285189c4285ea3f1e3118e061d4d26bd330db377d0715b3", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling zstd-safe v7.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking brotli-decompressor v4.0.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking iri-string v0.7.2
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking http-range-header v0.4.1
[INFO] [stderr]     Checking flate2 v1.0.29
[INFO] [stderr]     Checking dotenvy v0.15.7
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]    Compiling axum v0.7.5
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking http-body-util v0.1.1
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]     Checking brotli v5.0.0
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking hyper v1.3.1
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper-util v0.1.3
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking minijinja v2.0.1
[INFO] [stderr]     Checking zstd v0.13.1
[INFO] [stderr]     Checking async-compression v0.4.9
[INFO] [stderr]     Checking tower-http v0.5.2
[INFO] [stderr]     Checking sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `print_board`
[INFO] [stdout]  --> src/setup/board_generation.rs:2:157
[INFO] [stdout]   |
[INFO] [stdout] 2 | ...ndexes, check_spot_occupied, every_spot_full, valid_board, print_board};
[INFO] [stdout]   |                                                               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `print_board`
[INFO] [stdout]  --> src/setup/board_generation.rs:2:157
[INFO] [stdout]   |
[INFO] [stdout] 2 | ...ndexes, check_spot_occupied, every_spot_full, valid_board, print_board};
[INFO] [stdout]   |                                                               ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::setup::utilities::*`
[INFO] [stdout]  --> src/tests/test_cases.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::setup::utilities::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `valid_placement` is never read
[INFO] [stdout]    --> src/main.rs:184:31
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut valid_placement = false;
[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: value assigned to `valid_placement` is never read
[INFO] [stdout]    --> src/main.rs:184:31
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let mut valid_placement = false;
[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: function `update_board` is never used
[INFO] [stdout]    --> src/setup/utilities.rs:192:8
[INFO] [stdout]     |
[INFO] [stdout] 192 | pub fn update_board(board: &mut Vec<Vec<u32>>, val: u32, pos: (usize, usize)) -> &Vec<Vec<u32>> {
[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 8.42s
[INFO] running `Command { std: "docker" "inspect" "1042b07dc8ce2dc74285189c4285ea3f1e3118e061d4d26bd330db377d0715b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1042b07dc8ce2dc74285189c4285ea3f1e3118e061d4d26bd330db377d0715b3", kill_on_drop: false }`
[INFO] [stdout] 1042b07dc8ce2dc74285189c4285ea3f1e3118e061d4d26bd330db377d0715b3