[INFO] fetching crate nonogram 0.3.0...
[INFO] testing nonogram-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate nonogram 0.3.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate nonogram 0.3.0 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 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-102/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] c9fae42554079a2993d833104c2faade61ff5c40482d9e736ba26a24e8c654ee
[INFO] running `Command { std: "docker" "start" "-a" "c9fae42554079a2993d833104c2faade61ff5c40482d9e736ba26a24e8c654ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9fae42554079a2993d833104c2faade61ff5c40482d9e736ba26a24e8c654ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fae42554079a2993d833104c2faade61ff5c40482d9e736ba26a24e8c654ee", kill_on_drop: false }`
[INFO] [stdout] c9fae42554079a2993d833104c2faade61ff5c40482d9e736ba26a24e8c654ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 6f4a801920064dfd4192b7dcfba2962e3f520d49b16f5724241b06d65bdc5154
[INFO] running `Command { std: "docker" "start" "-a" "6f4a801920064dfd4192b7dcfba2962e3f520d49b16f5724241b06d65bdc5154", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.71
[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_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[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 num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[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 21.45s
[INFO] running `Command { std: "docker" "inspect" "6f4a801920064dfd4192b7dcfba2962e3f520d49b16f5724241b06d65bdc5154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4a801920064dfd4192b7dcfba2962e3f520d49b16f5724241b06d65bdc5154", kill_on_drop: false }`
[INFO] [stdout] 6f4a801920064dfd4192b7dcfba2962e3f520d49b16f5724241b06d65bdc5154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] [stdout] 8986ed4057835fbdc93a88744f6c308ddcf6b261d9013ebe9dd30636d3a46255
[INFO] running `Command { std: "docker" "start" "-a" "8986ed4057835fbdc93a88744f6c308ddcf6b261d9013ebe9dd30636d3a46255", 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]    Compiling nonogram v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "8986ed4057835fbdc93a88744f6c308ddcf6b261d9013ebe9dd30636d3a46255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8986ed4057835fbdc93a88744f6c308ddcf6b261d9013ebe9dd30636d3a46255", kill_on_drop: false }`
[INFO] [stdout] 8986ed4057835fbdc93a88744f6c308ddcf6b261d9013ebe9dd30636d3a46255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 3886c9e330037406a9d24a8622bc090195ae47b4f2c7fe32169a1d3279dcf1e7
[INFO] running `Command { std: "docker" "start" "-a" "3886c9e330037406a9d24a8622bc090195ae47b4f2c7fe32169a1d3279dcf1e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nonogram-81d5370d0f4a3c3b)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test state::state_grid::tests::get_column_at_j ... ok
[INFO] [stdout] test state::state_grid::tests::get_row_at_i ... 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_false2 ... ok
[INFO] [stdout] test state::state_grid::tests::grid_is_known_false1 ... 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_zero_no_usable_space ... 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_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_indexes2 ... ok
[INFO] [stdout] test state::tests::common_row_indexes3 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states2 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states1 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states3 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states5 ... ok
[INFO] [stdout] test state::tests::filter_invalid_row_states2 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states4 ... ok
[INFO] [stdout] test state::tests::filter_invalid_row_states3 ... ok
[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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/generation.rs (/opt/rustwide/target/debug/deps/generation-4d373cf0ee0a7dc0)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test random_generation_works ... ok
[INFO] [stdout] test detects_solvable ... ok
[INFO] [stdout] test detects_not_solvable ... ok
[INFO] [stderr]      Running tests/serialization.rs (/opt/rustwide/target/debug/deps/serialization-846142f289d7d511)
[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 2.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nonogram
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test deserialize_invalid_grid_dimensions ... ok
[INFO] [stdout] test deserialize_invalid_grid_rows ... ok
[INFO] [stdout] test serialize_puzzle ... ok
[INFO] [stdout] test deserialize_puzzle ... ok
[INFO] [stdout] test deserialize_invalid_json ... ok
[INFO] [stdout] test deserialize_invalid_object_field ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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" "3886c9e330037406a9d24a8622bc090195ae47b4f2c7fe32169a1d3279dcf1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3886c9e330037406a9d24a8622bc090195ae47b4f2c7fe32169a1d3279dcf1e7", kill_on_drop: false }`
[INFO] [stdout] 3886c9e330037406a9d24a8622bc090195ae47b4f2c7fe32169a1d3279dcf1e7