[INFO] fetching crate nonogram 0.3.0...
[INFO] testing nonogram-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate nonogram 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nonogram 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", 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] 2c681e28645016ad9bdf4ebad3a5303bc53f59e9610be69bf66d956b32d79585
[INFO] running `Command { std: "docker" "start" "-a" "2c681e28645016ad9bdf4ebad3a5303bc53f59e9610be69bf66d956b32d79585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c681e28645016ad9bdf4ebad3a5303bc53f59e9610be69bf66d956b32d79585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c681e28645016ad9bdf4ebad3a5303bc53f59e9610be69bf66d956b32d79585", kill_on_drop: false }`
[INFO] [stdout] 2c681e28645016ad9bdf4ebad3a5303bc53f59e9610be69bf66d956b32d79585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d75b759b89df50c750153eec3fc09f5a98e40cc7d5bf99107c120c440cfe3c1
[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" "5d75b759b89df50c750153eec3fc09f5a98e40cc7d5bf99107c120c440cfe3c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itertools v0.7.11
[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 rand v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[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 21.46s
[INFO] running `Command { std: "docker" "inspect" "5d75b759b89df50c750153eec3fc09f5a98e40cc7d5bf99107c120c440cfe3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d75b759b89df50c750153eec3fc09f5a98e40cc7d5bf99107c120c440cfe3c1", kill_on_drop: false }`
[INFO] [stdout] 5d75b759b89df50c750153eec3fc09f5a98e40cc7d5bf99107c120c440cfe3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 363f83b15f785c73617fcc01f65298ab5c4385a0876654c3fed875d8cc95dee9
[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" "363f83b15f785c73617fcc01f65298ab5c4385a0876654c3fed875d8cc95dee9", kill_on_drop: false }`
[INFO] [stderr]    Compiling nonogram v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "363f83b15f785c73617fcc01f65298ab5c4385a0876654c3fed875d8cc95dee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363f83b15f785c73617fcc01f65298ab5c4385a0876654c3fed875d8cc95dee9", kill_on_drop: false }`
[INFO] [stdout] 363f83b15f785c73617fcc01f65298ab5c4385a0876654c3fed875d8cc95dee9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 312fca45bf11d8a01d88b7b378932b4b44b74b87a4ae282a43c706a060d89f12
[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" "312fca45bf11d8a01d88b7b378932b4b44b74b87a4ae282a43c706a060d89f12", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nonogram-52bf431571073619)
[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::grid_is_known_false1 ... ok
[INFO] [stdout] test state::state_row::tests::new_w_appended_zero_no_usable_space ... 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::get_state_in_bounds ... ok
[INFO] [stdout] test state::state_grid::tests::set_state_out_of_bounds ... ok
[INFO] [stdout] test state::state_grid::tests::get_state_out_of_bounds ... 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_true ... ok
[INFO] [stdout] test state::state_row::tests::row_is_known_false2 ... 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_seg_segments_exhausted ... ok
[INFO] [stdout] test state::state_grid::tests::new_grid_with_default ... ok
[INFO] [stdout] test state::tests::common_row_indexes2 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states5 ... ok
[INFO] [stdout] test state::tests::filter_invalid_row_states1 ... ok
[INFO] [stdout] test state::state_grid::tests::grid_is_known_true ... ok
[INFO] [stdout] test state::tests::filter_invalid_row_states2 ... ok
[INFO] [stdout] test state::tests::filter_invalid_row_states3 ... ok
[INFO] [stdout] test state::state_grid::tests::grid_is_known_false2 ... ok
[INFO] [stdout] test state::state_row::tests::new_w_appended_seg_no_trailing_unknown ... ok
[INFO] [stdout] test state::state_row::tests::state_at_index_out_of_bounds ... ok
[INFO] [stdout] test state::tests::common_row_indexes3 ... ok
[INFO] [stdout] test state::tests::enumerate_row_states1 ... ok
[INFO] [stdout] test state::tests::common_row_indexes1 ... 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_states4 ... ok
[INFO] [stdout] test state::state_row::tests::state_at_index_in_bounds ... 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] [stderr]      Running tests/generation.rs (/opt/rustwide/target/debug/deps/generation-f1dd24f82f71583c)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test detects_not_solvable ... ok
[INFO] [stdout] test detects_solvable ... ok
[INFO] [stdout] test random_generation_works ... ok
[INFO] [stderr]      Running tests/serialization.rs (/opt/rustwide/target/debug/deps/serialization-23e6b41a64dd96d7)
[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 3.91s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test deserialize_invalid_json ... ok
[INFO] [stdout] test deserialize_invalid_grid_dimensions ... ok
[INFO] [stdout] test deserialize_invalid_grid_rows ... ok
[INFO] [stdout] test deserialize_invalid_object_field ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nonogram
[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" "312fca45bf11d8a01d88b7b378932b4b44b74b87a4ae282a43c706a060d89f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "312fca45bf11d8a01d88b7b378932b4b44b74b87a4ae282a43c706a060d89f12", kill_on_drop: false }`
[INFO] [stdout] 312fca45bf11d8a01d88b7b378932b4b44b74b87a4ae282a43c706a060d89f12