[INFO] fetching crate sodoku 0.0.1...
[INFO] testing sodoku-0.0.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate sodoku 0.0.1 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sodoku 0.0.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a56dc2b10d66726b6e21a3b418a731bf75dfe00deae3ba71bff583231e1b5e
[INFO] running `Command { std: "docker" "start" "-a" "b9a56dc2b10d66726b6e21a3b418a731bf75dfe00deae3ba71bff583231e1b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a56dc2b10d66726b6e21a3b418a731bf75dfe00deae3ba71bff583231e1b5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a56dc2b10d66726b6e21a3b418a731bf75dfe00deae3ba71bff583231e1b5e", kill_on_drop: false }`
[INFO] [stdout] b9a56dc2b10d66726b6e21a3b418a731bf75dfe00deae3ba71bff583231e1b5e
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7ed274874a1ff8b964cbf4351212fc1fcb2e5f10f4c4d2617dee6e4ee1674d3e
[INFO] running `Command { std: "docker" "start" "-a" "7ed274874a1ff8b964cbf4351212fc1fcb2e5f10f4c4d2617dee6e4ee1674d3e", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "7ed274874a1ff8b964cbf4351212fc1fcb2e5f10f4c4d2617dee6e4ee1674d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed274874a1ff8b964cbf4351212fc1fcb2e5f10f4c4d2617dee6e4ee1674d3e", kill_on_drop: false }`
[INFO] [stdout] 7ed274874a1ff8b964cbf4351212fc1fcb2e5f10f4c4d2617dee6e4ee1674d3e
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 36af2b1f10dd865bf72d9862a527d67e2bc40076f92f51ce3cb058ba9377a2d3
[INFO] running `Command { std: "docker" "start" "-a" "36af2b1f10dd865bf72d9862a527d67e2bc40076f92f51ce3cb058ba9377a2d3", 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "36af2b1f10dd865bf72d9862a527d67e2bc40076f92f51ce3cb058ba9377a2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36af2b1f10dd865bf72d9862a527d67e2bc40076f92f51ce3cb058ba9377a2d3", kill_on_drop: false }`
[INFO] [stdout] 36af2b1f10dd865bf72d9862a527d67e2bc40076f92f51ce3cb058ba9377a2d3
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a103a562f30f10a8ca405db3da167db2e7e8955d608f9841ea44490bedee8108
[INFO] running `Command { std: "docker" "start" "-a" "a103a562f30f10a8ca405db3da167db2e7e8955d608f9841ea44490bedee8108", 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)]` 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 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/sodoku-fb643374d1de1ccd)
[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/x86_64-unknown-linux-musl/debug/deps/sodoku-a73fc3dc0ba2af21)
[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" "a103a562f30f10a8ca405db3da167db2e7e8955d608f9841ea44490bedee8108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a103a562f30f10a8ca405db3da167db2e7e8955d608f9841ea44490bedee8108", kill_on_drop: false }`
[INFO] [stdout] a103a562f30f10a8ca405db3da167db2e7e8955d608f9841ea44490bedee8108