[INFO] fetching crate nonogram 0.3.0...
[INFO] testing nonogram-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate nonogram 0.3.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate nonogram 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nonogram 0.3.0
[INFO] finished tweaking crates.io crate nonogram 0.3.0
[INFO] tweaked toml for crates.io crate nonogram 0.3.0 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray-rand v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe3aef8029b22a7428a47bd89e1ba4fe4e372eaf5d111509eb919f76410fcdff
[INFO] running `Command { std: "docker" "start" "-a" "fe3aef8029b22a7428a47bd89e1ba4fe4e372eaf5d111509eb919f76410fcdff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe3aef8029b22a7428a47bd89e1ba4fe4e372eaf5d111509eb919f76410fcdff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe3aef8029b22a7428a47bd89e1ba4fe4e372eaf5d111509eb919f76410fcdff", kill_on_drop: false }`
[INFO] [stdout] fe3aef8029b22a7428a47bd89e1ba4fe4e372eaf5d111509eb919f76410fcdff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b245618b423049131e76c280fbedb72cb3b610cf1684deccef8a0cfe9a6d81c
[INFO] running `Command { std: "docker" "start" "-a" "7b245618b423049131e76c280fbedb72cb3b610cf1684deccef8a0cfe9a6d81c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling ndarray-rand v0.9.0
[INFO] [stderr]    Compiling nonogram v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.26s
[INFO] running `Command { std: "docker" "inspect" "7b245618b423049131e76c280fbedb72cb3b610cf1684deccef8a0cfe9a6d81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b245618b423049131e76c280fbedb72cb3b610cf1684deccef8a0cfe9a6d81c", kill_on_drop: false }`
[INFO] [stdout] 7b245618b423049131e76c280fbedb72cb3b610cf1684deccef8a0cfe9a6d81c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c9713933ad015f8422649278798b13657a5da2bae414d7ead1360e723cc1f9
[INFO] running `Command { std: "docker" "start" "-a" "e7c9713933ad015f8422649278798b13657a5da2bae414d7ead1360e723cc1f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nonogram v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "e7c9713933ad015f8422649278798b13657a5da2bae414d7ead1360e723cc1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c9713933ad015f8422649278798b13657a5da2bae414d7ead1360e723cc1f9", kill_on_drop: false }`
[INFO] [stdout] e7c9713933ad015f8422649278798b13657a5da2bae414d7ead1360e723cc1f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88c7f93713375cf78f156b8e394b5757096a41eb0e4f9768abaefe59eafde96c
[INFO] running `Command { std: "docker" "start" "-a" "88c7f93713375cf78f156b8e394b5757096a41eb0e4f9768abaefe59eafde96c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] running 32 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nonogram-ad1a779e185b33d9)
[INFO] [stdout] test state::state_grid::tests::get_column_at_j ... ok
[INFO] [stdout] test state::state_grid::tests::get_state_in_bounds ... ok
[INFO] [stdout] test state::state_grid::tests::get_state_out_of_bounds ... ok
[INFO] [stdout] test state::state_grid::tests::grid_is_known_false1 ... ok
[INFO] [stdout] test state::state_grid::tests::grid_is_known_false2 ... ok
[INFO] [stdout] test state::state_grid::tests::grid_is_known_true ... ok
[INFO] [stdout] test state::state_grid::tests::new_grid_with_default ... ok
[INFO] [stdout] test state::state_grid::tests::new_grid_with_dimensions ... ok
[INFO] [stdout] test state::state_grid::tests::set_state_in_bounds ... ok
[INFO] [stdout] test state::state_grid::tests::set_state_out_of_bounds ... ok
[INFO] [stdout] test state::state_row::tests::new_w_appended_seg_no_trailing_unknown ... ok
[INFO] [stdout] test state::state_row::tests::new_w_appended_seg_segments_exhausted ... ok
[INFO] [stdout] test state::state_row::tests::new_w_appended_seg_with_trailing_unknown ... ok
[INFO] [stdout] test state::state_row::tests::new_w_appended_zero_no_usable_space ... ok
[INFO] [stdout] test state::state_row::tests::new_w_appended_zero_usable_space_remaining ... ok
[INFO] [stdout] test state::state_row::tests::row_is_known_false1 ... ok
[INFO] [stdout] test state::state_row::tests::row_is_known_false2 ... ok
[INFO] [stdout] test state::state_row::tests::row_is_known_true ... ok
[INFO] [stdout] test state::state_row::tests::state_at_index_in_bounds ... ok
[INFO] [stdout] test state::state_row::tests::state_at_index_out_of_bounds ... ok
[INFO] [stdout] test state::tests::common_row_indexes1 ... ok
[INFO] [stdout] test state::tests::common_row_indexes3 ... ok
[INFO] [stdout] test state::tests::common_row_indexes2 ... ok
[INFO] [stdout] test state::state_grid::tests::get_row_at_i ... ok
[INFO] [stdout] test state::tests::enumerate_row_states1 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states2 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states3 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states5 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states4 ... ok
[INFO] [stdout] test state::tests::filter_invalid_row_states2 ... ok
[INFO] [stdout] test state::tests::filter_invalid_row_states3 ... ok
[INFO] [stderr]      Running tests/generation.rs (/opt/rustwide/target/debug/deps/generation-5377e8426d623331)
[INFO] [stdout] test state::tests::filter_invalid_row_states1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test detects_not_solvable ... ok
[INFO] [stdout] test random_generation_works ... ok
[INFO] [stdout] test detects_solvable ... ok
[INFO] [stderr]      Running tests/serialization.rs (/opt/rustwide/target/debug/deps/serialization-657bfebedfeb0abb)
[INFO] [stdout] test mismatched_dimensions_work ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.24s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test deserialize_invalid_grid_dimensions ... ok
[INFO] [stdout] test deserialize_invalid_object_field ... ok
[INFO] [stderr]    Doc-tests nonogram
[INFO] [stdout] test deserialize_invalid_grid_rows ... ok
[INFO] [stdout] test deserialize_invalid_json ... ok
[INFO] [stdout] test deserialize_puzzle ... ok
[INFO] [stdout] test serialize_puzzle ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[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" "88c7f93713375cf78f156b8e394b5757096a41eb0e4f9768abaefe59eafde96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88c7f93713375cf78f156b8e394b5757096a41eb0e4f9768abaefe59eafde96c", kill_on_drop: false }`
[INFO] [stdout] 88c7f93713375cf78f156b8e394b5757096a41eb0e4f9768abaefe59eafde96c