[INFO] fetching crate sodoku 0.0.1...
[INFO] testing sodoku-0.0.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate sodoku 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate sodoku 0.0.1
[INFO] finished tweaking crates.io crate sodoku 0.0.1
[INFO] tweaked toml for crates.io crate sodoku 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sodoku 0.0.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sodoku 0.0.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bff0d8bee70bff35fe52935a5a946c76f7f34da6e606347599dd7205d53e0367
[INFO] running `Command { std: "docker" "start" "-a" "bff0d8bee70bff35fe52935a5a946c76f7f34da6e606347599dd7205d53e0367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bff0d8bee70bff35fe52935a5a946c76f7f34da6e606347599dd7205d53e0367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bff0d8bee70bff35fe52935a5a946c76f7f34da6e606347599dd7205d53e0367", kill_on_drop: false }`
[INFO] [stdout] bff0d8bee70bff35fe52935a5a946c76f7f34da6e606347599dd7205d53e0367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69caa4d7b3b85f038907eeaf51b0f85c1788fe7fac1df42d3a44e0b8059d4330
[INFO] running `Command { std: "docker" "start" "-a" "69caa4d7b3b85f038907eeaf51b0f85c1788fe7fac1df42d3a44e0b8059d4330", kill_on_drop: false }`
[INFO] [stderr]    Compiling sodoku v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/dec.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "69caa4d7b3b85f038907eeaf51b0f85c1788fe7fac1df42d3a44e0b8059d4330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69caa4d7b3b85f038907eeaf51b0f85c1788fe7fac1df42d3a44e0b8059d4330", kill_on_drop: false }`
[INFO] [stdout] 69caa4d7b3b85f038907eeaf51b0f85c1788fe7fac1df42d3a44e0b8059d4330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a50df7e27c639c36eaad339a016f9b65790596cbbd0e22798bd4ab48dd1868c7
[INFO] running `Command { std: "docker" "start" "-a" "a50df7e27c639c36eaad339a016f9b65790596cbbd0e22798bd4ab48dd1868c7", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/dec.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sodoku v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `score`
[INFO] [stdout]   --> src/dec.rs:36:28
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "a50df7e27c639c36eaad339a016f9b65790596cbbd0e22798bd4ab48dd1868c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50df7e27c639c36eaad339a016f9b65790596cbbd0e22798bd4ab48dd1868c7", kill_on_drop: false }`
[INFO] [stdout] a50df7e27c639c36eaad339a016f9b65790596cbbd0e22798bd4ab48dd1868c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54c2f3d340ddffb108701678e5f922d9345c228aaf3e50f4ed8385f696400f9e
[INFO] running `Command { std: "docker" "start" "-a" "54c2f3d340ddffb108701678e5f922d9345c228aaf3e50f4ed8385f696400f9e", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `score`
[INFO] [stderr]   --> src/dec.rs:36:28
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn with_difficulty(score: u8) -> Self {
[INFO] [stderr]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_score`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sodoku` (lib) generated 1 warning
[INFO] [stderr] warning: `sodoku` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sodoku-c2048f173952db25)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sodoku-acada1d6adf8a53f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sodoku
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54c2f3d340ddffb108701678e5f922d9345c228aaf3e50f4ed8385f696400f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54c2f3d340ddffb108701678e5f922d9345c228aaf3e50f4ed8385f696400f9e", kill_on_drop: false }`
[INFO] [stdout] 54c2f3d340ddffb108701678e5f922d9345c228aaf3e50f4ed8385f696400f9e