[INFO] updating cached repository https://github.com/succcubbus/sudoku-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5669ab1a9dfde41458470cfbd89d599a41288ba2
[INFO] testing succcubbus/sudoku-solver/5669ab1a9dfde41458470cfbd89d599a41288ba2 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsucccubbus%2Fsudoku-solver" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/succcubbus/sudoku-solver on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/succcubbus/sudoku-solver
[INFO] finished tweaking git repo https://github.com/succcubbus/sudoku-solver
[INFO] tweaked toml for git repo https://github.com/succcubbus/sudoku-solver written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/succcubbus/sudoku-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be3e9b2319a0859e675d387ee7b1b21d8a964ae49f61f0d6ee28777f4f12c95b
[INFO] running `Command { std: "docker" "start" "-a" "be3e9b2319a0859e675d387ee7b1b21d8a964ae49f61f0d6ee28777f4f12c95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be3e9b2319a0859e675d387ee7b1b21d8a964ae49f61f0d6ee28777f4f12c95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3e9b2319a0859e675d387ee7b1b21d8a964ae49f61f0d6ee28777f4f12c95b", kill_on_drop: false }`
[INFO] [stdout] be3e9b2319a0859e675d387ee7b1b21d8a964ae49f61f0d6ee28777f4f12c95b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31a535fd003e48ca266ee821d9efb15cdcd6bf0124e06d050f350f50191679eb
[INFO] running `Command { std: "docker" "start" "-a" "31a535fd003e48ca266ee821d9efb15cdcd6bf0124e06d050f350f50191679eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `Command { std: "docker" "inspect" "31a535fd003e48ca266ee821d9efb15cdcd6bf0124e06d050f350f50191679eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a535fd003e48ca266ee821d9efb15cdcd6bf0124e06d050f350f50191679eb", kill_on_drop: false }`
[INFO] [stdout] 31a535fd003e48ca266ee821d9efb15cdcd6bf0124e06d050f350f50191679eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62fa5980c64f4547620260c49c95c4d28da36973ea63b6fa3d2fa74e11fccc51
[INFO] running `Command { std: "docker" "start" "-a" "62fa5980c64f4547620260c49c95c4d28da36973ea63b6fa3d2fa74e11fccc51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sudoku-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "62fa5980c64f4547620260c49c95c4d28da36973ea63b6fa3d2fa74e11fccc51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62fa5980c64f4547620260c49c95c4d28da36973ea63b6fa3d2fa74e11fccc51", kill_on_drop: false }`
[INFO] [stdout] 62fa5980c64f4547620260c49c95c4d28da36973ea63b6fa3d2fa74e11fccc51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccf9c2d2ae220bac5e68832dbf30e1ebf0a2bc1b116c00625150a538d0e9751a
[INFO] running `Command { std: "docker" "start" "-a" "ccf9c2d2ae220bac5e68832dbf30e1ebf0a2bc1b116c00625150a538d0e9751a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sudoku_solver-495935a6c27b91dd)
[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" "ccf9c2d2ae220bac5e68832dbf30e1ebf0a2bc1b116c00625150a538d0e9751a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf9c2d2ae220bac5e68832dbf30e1ebf0a2bc1b116c00625150a538d0e9751a", kill_on_drop: false }`
[INFO] [stdout] ccf9c2d2ae220bac5e68832dbf30e1ebf0a2bc1b116c00625150a538d0e9751a