[INFO] fetching crate leptonica-sudoku 0.1.0...
[INFO] testing leptonica-sudoku-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate leptonica-sudoku 0.1.0 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate leptonica-sudoku 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leptonica-sudoku 0.1.0
[INFO] finished tweaking crates.io crate leptonica-sudoku 0.1.0
[INFO] tweaked toml for crates.io crate leptonica-sudoku 0.1.0 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25b303b21cb7bfd2fa2856c8d6a43e2bbed1b8b7aa0bdeb9eb8b451adf131c72
[INFO] running `Command { std: "docker" "start" "-a" "25b303b21cb7bfd2fa2856c8d6a43e2bbed1b8b7aa0bdeb9eb8b451adf131c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25b303b21cb7bfd2fa2856c8d6a43e2bbed1b8b7aa0bdeb9eb8b451adf131c72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b303b21cb7bfd2fa2856c8d6a43e2bbed1b8b7aa0bdeb9eb8b451adf131c72", kill_on_drop: false }`
[INFO] [stdout] 25b303b21cb7bfd2fa2856c8d6a43e2bbed1b8b7aa0bdeb9eb8b451adf131c72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3abd834f8c4f13ff74d97380c181a27087d64bbd2a1c12ec861deed603956836
[INFO] running `Command { std: "docker" "start" "-a" "3abd834f8c4f13ff74d97380c181a27087d64bbd2a1c12ec861deed603956836", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling leptonica-sys v0.2.1
[INFO] [stderr]    Compiling leptonica-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 19s
[INFO] running `Command { std: "docker" "inspect" "3abd834f8c4f13ff74d97380c181a27087d64bbd2a1c12ec861deed603956836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abd834f8c4f13ff74d97380c181a27087d64bbd2a1c12ec861deed603956836", kill_on_drop: false }`
[INFO] [stdout] 3abd834f8c4f13ff74d97380c181a27087d64bbd2a1c12ec861deed603956836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e7983cf7340168d14b0e95133264d002ba7fae3173f930a6ad5cfec3bc77c19
[INFO] running `Command { std: "docker" "start" "-a" "8e7983cf7340168d14b0e95133264d002ba7fae3173f930a6ad5cfec3bc77c19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leptonica-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.57s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/leptonica_sudoku-bad64b8e9b31c360)
[INFO] running `Command { std: "docker" "inspect" "8e7983cf7340168d14b0e95133264d002ba7fae3173f930a6ad5cfec3bc77c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e7983cf7340168d14b0e95133264d002ba7fae3173f930a6ad5cfec3bc77c19", kill_on_drop: false }`
[INFO] [stdout] 8e7983cf7340168d14b0e95133264d002ba7fae3173f930a6ad5cfec3bc77c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d789c30443230eb97370267e874429d9fff21aa2bef8f788dde24ec5fef2a2d
[INFO] running `Command { std: "docker" "start" "-a" "3d789c30443230eb97370267e874429d9fff21aa2bef8f788dde24ec5fef2a2d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leptonica_sudoku-bad64b8e9b31c360)
[INFO] [stdout] 
[INFO] [stderr] Solved after 487 guesses
[INFO] [stdout] running 3 tests
[INFO] [stderr] Solved after 127 guesses
[INFO] [stdout] test tests::solve_works ... ok
[INFO] [stderr] Solved after 127 guesses
[INFO] [stdout] test tests::new_works ... ok
[INFO] [stderr] Solved after 244 guesses
[INFO] [stdout] test tests::generate_works ... ok
[INFO] [stderr] Solved after 127 guesses
[INFO] [stdout] 
[INFO] [stderr] Solved after 280 guesses
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] Trying 30 zeros
[INFO] [stdout] 
[INFO] [stderr] Solved after 132 guesses
[INFO] [stderr] Solved after 132 guesses
[INFO] [stderr] Solved after 177 guesses
[INFO] [stderr] Solved after 132 guesses
[INFO] [stderr] Solved after 285 guesses
[INFO] [stderr] Solved after 128 guesses
[INFO] [stderr] Solved after 128 guesses
[INFO] [stderr] Solved after 317 guesses
[INFO] [stderr] Solved after 128 guesses
[INFO] [stderr] Solved after 389 guesses
[INFO] [stderr] Have 30 zeros
[INFO] [stderr] Final: nelems = 50
[INFO] [stderr] 0 0 3 7 8 9 0 0 6 
[INFO] [stderr] 4 0 6 0 0 0 7 8 0 
[INFO] [stderr] 7 0 9 4 5 0 1 0 3 
[INFO] [stderr] 2 3 0 8 0 7 5 0 4 
[INFO] [stderr] 0 6 4 2 0 0 8 9 7 
[INFO] [stderr] 8 0 7 5 6 0 2 0 0 
[INFO] [stderr] 3 0 2 9 7 8 6 0 0 
[INFO] [stderr] 0 4 5 0 1 0 9 7 8 
[INFO] [stderr] 9 7 0 0 4 5 0 1 2 
[INFO] [stderr] Solved after 128 guesses
[INFO] [stderr] 1 2 3 7 8 9 4 5 6 
[INFO] [stderr] 4 5 6 1 2 3 7 8 9 
[INFO] [stderr] 7 8 9 4 5 6 1 2 3 
[INFO] [stderr] 2 3 1 8 9 7 5 6 4 
[INFO] [stderr] 5 6 4 2 3 1 8 9 7 
[INFO] [stderr] 8 9 7 5 6 4 2 3 1 
[INFO] [stderr] 3 1 2 9 7 8 6 4 5 
[INFO] [stderr] 6 4 5 3 1 2 9 7 8 
[INFO] [stderr] 9 7 8 6 4 5 3 1 2 
[INFO] [stderr]    Doc-tests leptonica-sudoku
[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" "3d789c30443230eb97370267e874429d9fff21aa2bef8f788dde24ec5fef2a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d789c30443230eb97370267e874429d9fff21aa2bef8f788dde24ec5fef2a2d", kill_on_drop: false }`
[INFO] [stdout] 3d789c30443230eb97370267e874429d9fff21aa2bef8f788dde24ec5fef2a2d