[INFO] cloning repository https://github.com/mathletedev/rust-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/mathletedev/rust-sudoku-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathletedev%2Frust-sudoku-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathletedev%2Frust-sudoku-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d36e906e037f1def419679a1d20886e16f3bd169
[INFO] checking mathletedev/rust-sudoku-solver against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathletedev%2Frust-sudoku-solver" "/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/mathletedev/rust-sudoku-solver
[INFO] finished tweaking git repo https://github.com/mathletedev/rust-sudoku-solver
[INFO] tweaked toml for git repo https://github.com/mathletedev/rust-sudoku-solver written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mathletedev/rust-sudoku-solver on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mathletedev/rust-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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7be608f9103f50f0b6863e0e197168aec3df87fbd2a656d60184d90c87baad19
[INFO] running `Command { std: "docker" "start" "-a" "7be608f9103f50f0b6863e0e197168aec3df87fbd2a656d60184d90c87baad19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be608f9103f50f0b6863e0e197168aec3df87fbd2a656d60184d90c87baad19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be608f9103f50f0b6863e0e197168aec3df87fbd2a656d60184d90c87baad19", kill_on_drop: false }`
[INFO] [stdout] 7be608f9103f50f0b6863e0e197168aec3df87fbd2a656d60184d90c87baad19
[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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e68951e008fd09e9d6bcca169004910a2c4e09b66f60d9aa2771b6cdb9a76817
[INFO] running `Command { std: "docker" "start" "-a" "e68951e008fd09e9d6bcca169004910a2c4e09b66f60d9aa2771b6cdb9a76817", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `grid` is never read
[INFO] [stdout]   --> src/main.rs:77:2
[INFO] [stdout]    |
[INFO] [stdout] 77 |     grid[empty.0][empty.1] = 0;
[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 `grid` is never read
[INFO] [stdout]   --> src/main.rs:77:2
[INFO] [stdout]    |
[INFO] [stdout] 77 |     grid[empty.0][empty.1] = 0;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "e68951e008fd09e9d6bcca169004910a2c4e09b66f60d9aa2771b6cdb9a76817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68951e008fd09e9d6bcca169004910a2c4e09b66f60d9aa2771b6cdb9a76817", kill_on_drop: false }`
[INFO] [stdout] e68951e008fd09e9d6bcca169004910a2c4e09b66f60d9aa2771b6cdb9a76817
