[INFO] fetching crate leptonica-sudoku 0.1.0...
[INFO] testing leptonica-sudoku-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate leptonica-sudoku 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate leptonica-sudoku 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28a02b3fc5d3f3e630e96a178bdb76e6fd7e50ff6d573425ce51abfd17b978e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "28a02b3fc5d3f3e630e96a178bdb76e6fd7e50ff6d573425ce51abfd17b978e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28a02b3fc5d3f3e630e96a178bdb76e6fd7e50ff6d573425ce51abfd17b978e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a02b3fc5d3f3e630e96a178bdb76e6fd7e50ff6d573425ce51abfd17b978e0", kill_on_drop: false }`
[INFO] [stdout] 28a02b3fc5d3f3e630e96a178bdb76e6fd7e50ff6d573425ce51abfd17b978e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3110beb6907f50919af165001b129a275d3fda13797bc27d5d660e9aab4e73be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3110beb6907f50919af165001b129a275d3fda13797bc27d5d660e9aab4e73be", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling bindgen v0.50.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.5.4
[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 [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "3110beb6907f50919af165001b129a275d3fda13797bc27d5d660e9aab4e73be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3110beb6907f50919af165001b129a275d3fda13797bc27d5d660e9aab4e73be", kill_on_drop: false }`
[INFO] [stdout] 3110beb6907f50919af165001b129a275d3fda13797bc27d5d660e9aab4e73be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aae94a6f8cd276cc569876da1d0cf38f227a6df2031ed1ed76db002e3fe477a2
[INFO] running `Command { std: "docker" "start" "-a" "aae94a6f8cd276cc569876da1d0cf38f227a6df2031ed1ed76db002e3fe477a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling leptonica-sudoku v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "aae94a6f8cd276cc569876da1d0cf38f227a6df2031ed1ed76db002e3fe477a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae94a6f8cd276cc569876da1d0cf38f227a6df2031ed1ed76db002e3fe477a2", kill_on_drop: false }`
[INFO] [stdout] aae94a6f8cd276cc569876da1d0cf38f227a6df2031ed1ed76db002e3fe477a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a70acd2d7a698a7d6298b5eacba20f6f05f994c21583a690fb8f8d65eb9ed8d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a70acd2d7a698a7d6298b5eacba20f6f05f994c21583a690fb8f8d65eb9ed8d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leptonica_sudoku-70b50e3610c72992)
[INFO] [stdout] running 3 tests
[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 487 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] test tests::new_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" "a70acd2d7a698a7d6298b5eacba20f6f05f994c21583a690fb8f8d65eb9ed8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70acd2d7a698a7d6298b5eacba20f6f05f994c21583a690fb8f8d65eb9ed8d1", kill_on_drop: false }`
[INFO] [stdout] a70acd2d7a698a7d6298b5eacba20f6f05f994c21583a690fb8f8d65eb9ed8d1