[INFO] fetching crate spool 0.1.3...
[INFO] testing spool-0.1.3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate spool 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate spool 0.1.3 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 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-12/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d6a28b734da04aebdbc32b5cda7749eadf351e7e1512a36836bcc34d79e5f26b
[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" "d6a28b734da04aebdbc32b5cda7749eadf351e7e1512a36836bcc34d79e5f26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6a28b734da04aebdbc32b5cda7749eadf351e7e1512a36836bcc34d79e5f26b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6a28b734da04aebdbc32b5cda7749eadf351e7e1512a36836bcc34d79e5f26b", kill_on_drop: false }`
[INFO] [stdout] d6a28b734da04aebdbc32b5cda7749eadf351e7e1512a36836bcc34d79e5f26b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a6dc3fc52faba0f40f540ff5ab6d104b028d4a487000c7b6917fe542cb17a2ce
[INFO] running `Command { std: "docker" "start" "-a" "a6dc3fc52faba0f40f540ff5ab6d104b028d4a487000c7b6917fe542cb17a2ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling spool v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "a6dc3fc52faba0f40f540ff5ab6d104b028d4a487000c7b6917fe542cb17a2ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6dc3fc52faba0f40f540ff5ab6d104b028d4a487000c7b6917fe542cb17a2ce", kill_on_drop: false }`
[INFO] [stdout] a6dc3fc52faba0f40f540ff5ab6d104b028d4a487000c7b6917fe542cb17a2ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f6a83ae33830fc8fedbcab8a57b76bf46942b73b9922b49f6dbb60c2e893e085
[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" "f6a83ae33830fc8fedbcab8a57b76bf46942b73b9922b49f6dbb60c2e893e085", kill_on_drop: false }`
[INFO] [stderr]    Compiling spool v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "f6a83ae33830fc8fedbcab8a57b76bf46942b73b9922b49f6dbb60c2e893e085", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a83ae33830fc8fedbcab8a57b76bf46942b73b9922b49f6dbb60c2e893e085", kill_on_drop: false }`
[INFO] [stdout] f6a83ae33830fc8fedbcab8a57b76bf46942b73b9922b49f6dbb60c2e893e085
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a8613cf2b500759007e8c50c79b5cf0e7426c834e78c37a3c254a20d28a8696
[INFO] running `Command { std: "docker" "start" "-a" "0a8613cf2b500759007e8c50c79b5cf0e7426c834e78c37a3c254a20d28a8696", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 34 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spool-7173f2be4bfd890e)
[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::get_mut::returns_none_if_generation_mismatch ... 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_data_is_none ... ok
[INFO] [stdout] test pool::tests::object_pool::get::returns_some_reference_to_entry_specified ... ok
[INFO] [stdout] test pool::tests::object_pool::get::returns_none_if_key_has_invalid_index ... ok
[INFO] [stdout] test pool::tests::object_pool::iter::returns_an_empty_iterator_from_empty_pool ... ok
[INFO] [stdout] test pool::tests::object_pool::iter::returns_an_iterator_correctly_skipping_none_elements ... ok
[INFO] [stdout] test pool::tests::object_pool::delete::does_nothing_if_key_has_invalid_index ... 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_mut::returns_an_iterator_correctly_skipping_none_elements ... 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::returns_valid_key_pointing_to_expected_data ... ok
[INFO] [stdout] test pool::tests::object_pool::insert::correctly_updates_pool_state ... ok
[INFO] [stdout] test pool::tests::object_pool::delete::returns_none_if_generation_mismatch ... 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::iter_mut::returns_an_empty_iterator_from_empty_pool ... ok
[INFO] [stdout] test pool::tests::object_pool::take::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::pool_item::clear::sets_contents_to_none_without_advancing_generation ... ok
[INFO] [stdout] test pool::tests::object_pool::take::returns_none_if_generation_mismatch ... 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_iterator_to_all_contained_elements ... 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::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::get::returns_some_if_not_empty ... ok
[INFO] [stdout] test pool::tests::pool_item::set::increments_generation ... ok
[INFO] [stdout] test pool::tests::object_pool::take::returns_none_if_key_has_invalid_index ... 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::object_pool::delete::returns_none_if_data_is_none ... 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 0.11s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[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 (line 90) ... 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>::get_mut (line 261) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::get (line 232) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::delete (line 326) ... 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 4.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0a8613cf2b500759007e8c50c79b5cf0e7426c834e78c37a3c254a20d28a8696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a8613cf2b500759007e8c50c79b5cf0e7426c834e78c37a3c254a20d28a8696", kill_on_drop: false }`
[INFO] [stdout] 0a8613cf2b500759007e8c50c79b5cf0e7426c834e78c37a3c254a20d28a8696