[INFO] fetching crate rsudoku 0.2.0...
[INFO] testing rsudoku-0.2.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate rsudoku 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rsudoku 0.2.0
[INFO] finished tweaking crates.io crate rsudoku 0.2.0
[INFO] tweaked toml for crates.io crate rsudoku 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsudoku 0.2.0 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 rsudoku 0.2.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unchecked-array v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f07b04340e2ceecba0f19fee30c0634f0b99954ce43a56e520da6c3f5e5083a0
[INFO] running `Command { std: "docker" "start" "-a" "f07b04340e2ceecba0f19fee30c0634f0b99954ce43a56e520da6c3f5e5083a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f07b04340e2ceecba0f19fee30c0634f0b99954ce43a56e520da6c3f5e5083a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07b04340e2ceecba0f19fee30c0634f0b99954ce43a56e520da6c3f5e5083a0", kill_on_drop: false }`
[INFO] [stdout] f07b04340e2ceecba0f19fee30c0634f0b99954ce43a56e520da6c3f5e5083a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 24a134bf08fca73aa749e1f1351cf091de5d7f6bb2751a880b60550f89cac1c9
[INFO] running `Command { std: "docker" "start" "-a" "24a134bf08fca73aa749e1f1351cf091de5d7f6bb2751a880b60550f89cac1c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling unchecked-array v0.1.0
[INFO] [stderr]    Compiling rsudoku v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "24a134bf08fca73aa749e1f1351cf091de5d7f6bb2751a880b60550f89cac1c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a134bf08fca73aa749e1f1351cf091de5d7f6bb2751a880b60550f89cac1c9", kill_on_drop: false }`
[INFO] [stdout] 24a134bf08fca73aa749e1f1351cf091de5d7f6bb2751a880b60550f89cac1c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 04a8de49609a70da476e8571a7954e7a535d315121db44f72722022075f676ab
[INFO] running `Command { std: "docker" "start" "-a" "04a8de49609a70da476e8571a7954e7a535d315121db44f72722022075f676ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsudoku v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "04a8de49609a70da476e8571a7954e7a535d315121db44f72722022075f676ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a8de49609a70da476e8571a7954e7a535d315121db44f72722022075f676ab", kill_on_drop: false }`
[INFO] [stdout] 04a8de49609a70da476e8571a7954e7a535d315121db44f72722022075f676ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 233c092bfa9fe7d9387a6af5ce12a62c64da171570136ce925dc1450d420dad0
[INFO] running `Command { std: "docker" "start" "-a" "233c092bfa9fe7d9387a6af5ce12a62c64da171570136ce925dc1450d420dad0", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rsudoku-80bd0ad7e7c2c039)
[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/rsudoku-fd6f35507055978f)
[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]    Doc-tests rsudoku
[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" "233c092bfa9fe7d9387a6af5ce12a62c64da171570136ce925dc1450d420dad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "233c092bfa9fe7d9387a6af5ce12a62c64da171570136ce925dc1450d420dad0", kill_on_drop: false }`
[INFO] [stdout] 233c092bfa9fe7d9387a6af5ce12a62c64da171570136ce925dc1450d420dad0