[INFO] fetching crate spool 0.1.3...
[INFO] testing spool-0.1.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate spool 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate spool 0.1.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spool 0.1.3
[INFO] finished tweaking crates.io crate spool 0.1.3
[INFO] tweaked toml for crates.io crate spool 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5bdde6876a129b0140cad95373494e79507840fc8f5fbaf057bf6f18e9be8366
[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" "5bdde6876a129b0140cad95373494e79507840fc8f5fbaf057bf6f18e9be8366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5bdde6876a129b0140cad95373494e79507840fc8f5fbaf057bf6f18e9be8366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdde6876a129b0140cad95373494e79507840fc8f5fbaf057bf6f18e9be8366", kill_on_drop: false }`
[INFO] [stdout] 5bdde6876a129b0140cad95373494e79507840fc8f5fbaf057bf6f18e9be8366
[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=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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77cc2e3813976d522817fafb1117c2d3192a5ad33e1a9273136ec71221d7fd73
[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" "77cc2e3813976d522817fafb1117c2d3192a5ad33e1a9273136ec71221d7fd73", kill_on_drop: false }`
[INFO] [stderr]    Compiling spool v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "77cc2e3813976d522817fafb1117c2d3192a5ad33e1a9273136ec71221d7fd73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cc2e3813976d522817fafb1117c2d3192a5ad33e1a9273136ec71221d7fd73", kill_on_drop: false }`
[INFO] [stdout] 77cc2e3813976d522817fafb1117c2d3192a5ad33e1a9273136ec71221d7fd73
[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=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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1589c29112f83ae70e8ae1c47966a0047167d841a83aa5af1fc0966c377499fa
[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" "1589c29112f83ae70e8ae1c47966a0047167d841a83aa5af1fc0966c377499fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling spool v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "1589c29112f83ae70e8ae1c47966a0047167d841a83aa5af1fc0966c377499fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1589c29112f83ae70e8ae1c47966a0047167d841a83aa5af1fc0966c377499fa", kill_on_drop: false }`
[INFO] [stdout] 1589c29112f83ae70e8ae1c47966a0047167d841a83aa5af1fc0966c377499fa
[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=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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31e368685c38115217dcc9346b7489428af4afa4b22639a4c12562e4011a55a0
[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" "31e368685c38115217dcc9346b7489428af4afa4b22639a4c12562e4011a55a0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spool-6d5eb3f53810038e)
[INFO] [stdout] 
[INFO] [stdout] running 34 tests
[INFO] [stdout] test pool::tests::object_pool::clear::replaces_all_items_with_none_and_clears_free_queue_and_resets_next ... ok
[INFO] [stdout] test pool::tests::object_pool::delete::does_nothing_if_key_has_invalid_index ... ok
[INFO] [stdout] test pool::tests::object_pool::delete::returns_none_if_data_is_none ... ok
[INFO] [stdout] test pool::tests::object_pool::get::returns_none_if_data_is_none ... ok
[INFO] [stdout] test pool::tests::object_pool::get_mut::returns_none_if_data_is_none ... ok
[INFO] [stdout] test pool::tests::object_pool::iter::returns_an_iterator_to_all_contained_elements ... ok
[INFO] [stdout] test pool::tests::object_pool::iter_mut::returns_an_empty_iterator_from_empty_pool ... ok
[INFO] [stdout] test pool::tests::object_pool::iter_mut::returns_an_iterator_to_all_contained_elements ... ok
[INFO] [stdout] test pool::tests::object_pool::new::correctly_initializes_a_pool ... ok
[INFO] [stdout] test pool::tests::object_pool::iter_mut::returns_an_iterator_correctly_skipping_none_elements ... ok
[INFO] [stdout] test pool::tests::object_pool::take::replaces_item_with_none_and_pushes_index_to_free ... ok
[INFO] [stdout] test pool::tests::object_pool::take::returns_none_if_generation_mismatch ... ok
[INFO] [stdout] test pool::tests::object_pool::take::returns_none_if_data_is_none ... ok
[INFO] [stdout] test pool::tests::object_pool::take::returns_none_if_key_has_invalid_index ... ok
[INFO] [stdout] test pool::tests::pool_item::clear::sets_contents_to_none_without_advancing_generation ... ok
[INFO] [stdout] test pool::tests::pool_item::default::default_makes_sense ... ok
[INFO] [stdout] test pool::tests::pool_item::get::returns_none_if_empty ... ok
[INFO] [stdout] test pool::tests::pool_item::get::returns_some_if_not_empty ... ok
[INFO] [stdout] test pool::tests::pool_item::get_mut::returns_none_if_empty ... ok
[INFO] [stdout] test pool::tests::pool_item::get_mut::returns_some_if_not_empty ... ok
[INFO] [stdout] test pool::tests::pool_item::set::increments_generation ... ok
[INFO] [stdout] test pool::tests::object_pool::delete::replaces_item_with_none_and_pushes_index_to_free ... ok
[INFO] [stdout] test pool::tests::object_pool::insert::correctly_updates_pool_state ... ok
[INFO] [stdout] test pool::tests::object_pool::get::returns_none_if_key_has_invalid_index ... ok
[INFO] [stdout] test pool::tests::object_pool::delete::returns_none_if_generation_mismatch ... ok
[INFO] [stdout] test pool::tests::object_pool::get::returns_some_reference_to_entry_specified ... ok
[INFO] [stdout] test pool::tests::object_pool::insert::returns_valid_key_pointing_to_expected_data ... ok
[INFO] [stdout] test pool::tests::object_pool::get::returns_none_if_generation_mismatch ... ok
[INFO] [stdout] test pool::tests::object_pool::iter::returns_an_empty_iterator_from_empty_pool ... ok
[INFO] [stdout] test pool::tests::object_pool::get_mut::returns_some_reference_to_entry_specified ... ok
[INFO] [stdout] test pool::tests::object_pool::iter::returns_an_iterator_correctly_skipping_none_elements ... ok
[INFO] [stdout] test pool::tests::object_pool::get_mut::returns_none_if_key_has_invalid_index ... ok
[INFO] [stdout] test pool::tests::object_pool::get_mut::returns_none_if_generation_mismatch ... ok
[INFO] [stderr]    Doc-tests spool
[INFO] [stdout] test pool::tests::object_pool::insert::should_panic_if_full - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::delete (line 326) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool (line 90) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::get (line 232) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::get_mut (line 261) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::new (line 143) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::clear (line 356) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::insert (line 189) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::capacity (line 169) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::take (line 292) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31e368685c38115217dcc9346b7489428af4afa4b22639a4c12562e4011a55a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e368685c38115217dcc9346b7489428af4afa4b22639a4c12562e4011a55a0", kill_on_drop: false }`
[INFO] [stdout] 31e368685c38115217dcc9346b7489428af4afa4b22639a4c12562e4011a55a0