[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] building kennethc45/sudoku against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkennethc45%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] 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-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kennethc45/sudoku on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3499681897aa8f5480a28d899671ec5370d6dd1b64d3661ab0971d04e83e0890
[INFO] running `Command { std: "docker" "start" "-a" "3499681897aa8f5480a28d899671ec5370d6dd1b64d3661ab0971d04e83e0890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3499681897aa8f5480a28d899671ec5370d6dd1b64d3661ab0971d04e83e0890", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3499681897aa8f5480a28d899671ec5370d6dd1b64d3661ab0971d04e83e0890", kill_on_drop: false }`
[INFO] [stdout] 3499681897aa8f5480a28d899671ec5370d6dd1b64d3661ab0971d04e83e0890
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85d5dfa021787adf32394e81217c7b2e9a30626d8a7b17f4b8df17a5fce6cfd1
[INFO] running `Command { std: "docker" "start" "-a" "85d5dfa021787adf32394e81217c7b2e9a30626d8a7b17f4b8df17a5fce6cfd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling scopeguard v1.2.0
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[INFO] [stderr]    Compiling rustversion v1.0.15
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[INFO] [stderr]    Compiling pin-utils v0.1.0
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[INFO] [stderr]    Compiling num-traits v0.2.18
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[INFO] [stderr]    Compiling indexmap v1.9.3
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[INFO] [stderr]    Compiling serde_json v1.0.116
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[INFO] [stderr]    Compiling tracing v0.1.40
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[INFO] [stderr]    Compiling sync_wrapper v1.0.1
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[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling jobserver v0.1.31
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling parking_lot v0.12.1
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[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling brotli v5.0.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling http-body-util v0.1.1
[INFO] [stderr]    Compiling uuid v1.8.0
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling zstd-sys v2.0.10+zstd.1.5.6
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.80
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling zstd v0.13.1
[INFO] [stderr]    Compiling serde_path_to_error v0.1.16
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling minijinja v2.0.1
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling hyper v1.3.1
[INFO] [stderr]    Compiling async-compression v0.4.9
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling hyper-util v0.1.3
[INFO] [stderr]    Compiling tower-http v0.5.2
[INFO] [stderr]    Compiling 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 | ..._indexes, 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:184:13
[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 `generated_clues` is never read
[INFO] [stdout]   --> src/setup/board_generation.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut generated_clues: Vec<Vec<u32>> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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 52.20s
[INFO] running `Command { std: "docker" "inspect" "85d5dfa021787adf32394e81217c7b2e9a30626d8a7b17f4b8df17a5fce6cfd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d5dfa021787adf32394e81217c7b2e9a30626d8a7b17f4b8df17a5fce6cfd1", kill_on_drop: false }`
[INFO] [stdout] 85d5dfa021787adf32394e81217c7b2e9a30626d8a7b17f4b8df17a5fce6cfd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65ac1a7376000b25c5bf582f27d3f47b06c799d23cc2ba55d38a89b7940517f7
[INFO] running `Command { std: "docker" "start" "-a" "65ac1a7376000b25c5bf582f27d3f47b06c799d23cc2ba55d38a89b7940517f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 | ..._indexes, 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: value assigned to `valid_placement` is never read
[INFO] [stdout]    --> src/main.rs:184:13
[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 `generated_clues` is never read
[INFO] [stdout]   --> src/setup/board_generation.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let mut generated_clues: Vec<Vec<u32>> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "65ac1a7376000b25c5bf582f27d3f47b06c799d23cc2ba55d38a89b7940517f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ac1a7376000b25c5bf582f27d3f47b06c799d23cc2ba55d38a89b7940517f7", kill_on_drop: false }`
[INFO] [stdout] 65ac1a7376000b25c5bf582f27d3f47b06c799d23cc2ba55d38a89b7940517f7