[INFO] cloning repository https://github.com/galkahana/rust-sudoku-quick-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/galkahana/rust-sudoku-quick-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalkahana%2Frust-sudoku-quick-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalkahana%2Frust-sudoku-quick-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7786d26535bdd3945f5b1621b51f4268643394be
[INFO] checking galkahana/rust-sudoku-quick-solver against try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgalkahana%2Frust-sudoku-quick-solver" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/galkahana/rust-sudoku-quick-solver on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/galkahana/rust-sudoku-quick-solver
[INFO] finished tweaking git repo https://github.com/galkahana/rust-sudoku-quick-solver
[INFO] tweaked toml for git repo https://github.com/galkahana/rust-sudoku-quick-solver written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/galkahana/rust-sudoku-quick-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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b013d4c3671edf5d964d7ac4de4b543831c70bc1528ba7f469d9f4a4280b10d1
[INFO] running `Command { std: "docker" "start" "-a" "b013d4c3671edf5d964d7ac4de4b543831c70bc1528ba7f469d9f4a4280b10d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b013d4c3671edf5d964d7ac4de4b543831c70bc1528ba7f469d9f4a4280b10d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b013d4c3671edf5d964d7ac4de4b543831c70bc1528ba7f469d9f4a4280b10d1", kill_on_drop: false }`
[INFO] [stdout] b013d4c3671edf5d964d7ac4de4b543831c70bc1528ba7f469d9f4a4280b10d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8894811f7f9601312bce25c33e869b9252753c49bdc3ce1a100482ba16e54d6
[INFO] running `Command { std: "docker" "start" "-a" "c8894811f7f9601312bce25c33e869b9252753c49bdc3ce1a100482ba16e54d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking rust-sudoku-quick-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this conversion is useless `std::io::Error` to `std::io::Error`
[INFO] [stdout]   --> src/board.rs:55:59
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         return Err(ReadError::ReadErrorIO(err.into()));
[INFO] [stdout]    |                                                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `std::io::Error` to `std::io::Error`
[INFO] [stdout]   --> src/board.rs:55:59
[INFO] [stdout]    |
[INFO] [stdout] 55 |                         return Err(ReadError::ReadErrorIO(err.into()));
[INFO] [stdout]    |                                                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-sudoku-quick-solver` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-sudoku-quick-solver` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "c8894811f7f9601312bce25c33e869b9252753c49bdc3ce1a100482ba16e54d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8894811f7f9601312bce25c33e869b9252753c49bdc3ce1a100482ba16e54d6", kill_on_drop: false }`
[INFO] [stdout] c8894811f7f9601312bce25c33e869b9252753c49bdc3ce1a100482ba16e54d6