[INFO] fetching crate leptonica-sudoku 0.1.0...
[INFO] testing leptonica-sudoku-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate leptonica-sudoku 0.1.0 into /workspace/builds/worker-7-tc1/source
[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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate leptonica-sudoku 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding leptonica-sys v0.2.1 (available: v0.4.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.6.2
[INFO] [stderr]   Downloaded which v2.0.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.30
[INFO] [stderr]   Downloaded quote v0.6.13
[INFO] [stderr]   Downloaded cexpr v0.3.6
[INFO] [stderr]   Downloaded clang-sys v0.28.1
[INFO] [stderr]   Downloaded unicode-xid v0.1.0
[INFO] [stderr]   Downloaded leptonica-sys v0.2.1
[INFO] [stderr]   Downloaded bindgen v0.50.1
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0736304ec0e485429bf1d1b3f4939df699ab4e64df003a1ca131caa38e90fb83
[INFO] running `Command { std: "docker" "start" "-a" "0736304ec0e485429bf1d1b3f4939df699ab4e64df003a1ca131caa38e90fb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0736304ec0e485429bf1d1b3f4939df699ab4e64df003a1ca131caa38e90fb83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0736304ec0e485429bf1d1b3f4939df699ab4e64df003a1ca131caa38e90fb83", kill_on_drop: false }`
[INFO] [stdout] 0736304ec0e485429bf1d1b3f4939df699ab4e64df003a1ca131caa38e90fb83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 920a58fc75ab7d9fd8a816e4a4baf557501db20e20d6d2cb7df51194bfbb96af
[INFO] running `Command { std: "docker" "start" "-a" "920a58fc75ab7d9fd8a816e4a4baf557501db20e20d6d2cb7df51194bfbb96af", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling env_logger v0.6.2
[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` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "920a58fc75ab7d9fd8a816e4a4baf557501db20e20d6d2cb7df51194bfbb96af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920a58fc75ab7d9fd8a816e4a4baf557501db20e20d6d2cb7df51194bfbb96af", kill_on_drop: false }`
[INFO] [stdout] 920a58fc75ab7d9fd8a816e4a4baf557501db20e20d6d2cb7df51194bfbb96af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 959901faede045d59037674d047362070bd7b069a44c31298382ddf641fe871e
[INFO] running `Command { std: "docker" "start" "-a" "959901faede045d59037674d047362070bd7b069a44c31298382ddf641fe871e", kill_on_drop: false }`
[INFO] [stderr]    Compiling leptonica-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "959901faede045d59037674d047362070bd7b069a44c31298382ddf641fe871e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959901faede045d59037674d047362070bd7b069a44c31298382ddf641fe871e", kill_on_drop: false }`
[INFO] [stdout] 959901faede045d59037674d047362070bd7b069a44c31298382ddf641fe871e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c4ede4ecac2c22b81ff802004331c0cac3d5051018337a13a0563c9bfcea1b1
[INFO] running `Command { std: "docker" "start" "-a" "4c4ede4ecac2c22b81ff802004331c0cac3d5051018337a13a0563c9bfcea1b1", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cexpr v0.3.6, nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/leptonica_sudoku-5d0dfba43c0b03fd)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::new_works ... ok
[INFO] [stderr] Solved after 487 guesses
[INFO] [stderr] Solved after 127 guesses
[INFO] [stderr] Solved after 127 guesses
[INFO] [stderr] Solved after 244 guesses
[INFO] [stderr] Solved after 127 guesses
[INFO] [stderr] Solved after 280 guesses
[INFO] [stderr] Trying 30 zeros
[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] [stdout] test tests::solve_works ... ok
[INFO] [stdout] test tests::generate_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "4c4ede4ecac2c22b81ff802004331c0cac3d5051018337a13a0563c9bfcea1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c4ede4ecac2c22b81ff802004331c0cac3d5051018337a13a0563c9bfcea1b1", kill_on_drop: false }`
[INFO] [stdout] 4c4ede4ecac2c22b81ff802004331c0cac3d5051018337a13a0563c9bfcea1b1