[INFO] fetching crate leptonica-sudoku 0.1.0...
[INFO] testing leptonica-sudoku-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate leptonica-sudoku 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate leptonica-sudoku 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f08b0924d1908b477d98fde9271f266acad6b5859c7184bf1f781d9333cdd65a
[INFO] running `"docker" "start" "-a" "f08b0924d1908b477d98fde9271f266acad6b5859c7184bf1f781d9333cdd65a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling bindgen v0.50.1
[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 1m 14s
[INFO] running `"docker" "inspect" "f08b0924d1908b477d98fde9271f266acad6b5859c7184bf1f781d9333cdd65a"`
[INFO] running `"docker" "rm" "-f" "f08b0924d1908b477d98fde9271f266acad6b5859c7184bf1f781d9333cdd65a"`
[INFO] [stdout] f08b0924d1908b477d98fde9271f266acad6b5859c7184bf1f781d9333cdd65a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37e9bdb0ac0ffb16bcf81ce05f8b5aab4e87740ba276ca67e8dda8fe5319005f
[INFO] running `"docker" "start" "-a" "37e9bdb0ac0ffb16bcf81ce05f8b5aab4e87740ba276ca67e8dda8fe5319005f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling leptonica-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "37e9bdb0ac0ffb16bcf81ce05f8b5aab4e87740ba276ca67e8dda8fe5319005f"`
[INFO] running `"docker" "rm" "-f" "37e9bdb0ac0ffb16bcf81ce05f8b5aab4e87740ba276ca67e8dda8fe5319005f"`
[INFO] [stdout] 37e9bdb0ac0ffb16bcf81ce05f8b5aab4e87740ba276ca67e8dda8fe5319005f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b360e1792d1e54a22fc7e690e21bf4c6575e8b5c102ab7856de03618d70af15e
[INFO] running `"docker" "start" "-a" "b360e1792d1e54a22fc7e690e21bf4c6575e8b5c102ab7856de03618d70af15e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leptonica_sudoku-7195e51dc92b247e
[INFO] [stderr] Solved after 487 guesses
[INFO] [stdout] 
[INFO] [stderr] Solved after 127 guesses
[INFO] [stdout] running 3 tests
[INFO] [stderr] Solved after 127 guesses
[INFO] [stdout] test tests::new_works ... ok
[INFO] [stderr] Solved after 244 guesses
[INFO] [stdout] test tests::solve_works ... ok
[INFO] [stderr] Solved after 127 guesses
[INFO] [stdout] test tests::generate_works ... ok
[INFO] [stderr] Solved after 280 guesses
[INFO] [stdout] 
[INFO] [stderr] Trying 30 zeros
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] Solved after 132 guesses
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b360e1792d1e54a22fc7e690e21bf4c6575e8b5c102ab7856de03618d70af15e"`
[INFO] running `"docker" "rm" "-f" "b360e1792d1e54a22fc7e690e21bf4c6575e8b5c102ab7856de03618d70af15e"`
[INFO] [stdout] b360e1792d1e54a22fc7e690e21bf4c6575e8b5c102ab7856de03618d70af15e