[INFO] crate spool 0.1.2 is already in cache
[INFO] testing spool-0.1.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate spool 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate spool 0.1.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spool 0.1.2
[INFO] finished tweaking crates.io crate spool 0.1.2
[INFO] tweaked toml for crates.io crate spool 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 477555eda7d46fed1c70aa679e56445fd9399baf9ac30a80c83b3a82ed7fd126
[INFO] running `Command { std: "docker" "start" "-a" "477555eda7d46fed1c70aa679e56445fd9399baf9ac30a80c83b3a82ed7fd126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "477555eda7d46fed1c70aa679e56445fd9399baf9ac30a80c83b3a82ed7fd126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477555eda7d46fed1c70aa679e56445fd9399baf9ac30a80c83b3a82ed7fd126", kill_on_drop: false }`
[INFO] [stdout] 477555eda7d46fed1c70aa679e56445fd9399baf9ac30a80c83b3a82ed7fd126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 434527f8e53ac3200b4c2793915203ce4f203a04cf8a13f3f41e6bbcb90bf8e8
[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" "434527f8e53ac3200b4c2793915203ce4f203a04cf8a13f3f41e6bbcb90bf8e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling spool v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "434527f8e53ac3200b4c2793915203ce4f203a04cf8a13f3f41e6bbcb90bf8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434527f8e53ac3200b4c2793915203ce4f203a04cf8a13f3f41e6bbcb90bf8e8", kill_on_drop: false }`
[INFO] [stdout] 434527f8e53ac3200b4c2793915203ce4f203a04cf8a13f3f41e6bbcb90bf8e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c57310548e2c45653771305b169fc777eff537eb61455358bc7caa6710567ecf
[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" "c57310548e2c45653771305b169fc777eff537eb61455358bc7caa6710567ecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling spool v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `PoolKey`
[INFO] [stdout]    --> src/pool.rs:808:17
[INFO] [stdout]     |
[INFO] [stdout] 808 |                 PoolKey,
[INFO] [stdout]     |                 ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "c57310548e2c45653771305b169fc777eff537eb61455358bc7caa6710567ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57310548e2c45653771305b169fc777eff537eb61455358bc7caa6710567ecf", kill_on_drop: false }`
[INFO] [stdout] c57310548e2c45653771305b169fc777eff537eb61455358bc7caa6710567ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c029f0a299cbf80b36e0f4fcd9e75e0e574077846fb8886253631398dd5c2bb1
[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" "c029f0a299cbf80b36e0f4fcd9e75e0e574077846fb8886253631398dd5c2bb1", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `PoolKey`
[INFO] [stderr]    --> src/pool.rs:808:17
[INFO] [stderr]     |
[INFO] [stderr] 808 |                 PoolKey,
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spool-7b551f408cb09f9b
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test pool::tests::object_pool::get::returns_some_reference_to_entry_specified ... ok
[INFO] [stdout] test pool::tests::object_pool::get_mut::returns_none_if_data_is_none ... 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::get_mut::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::get::returns_none_if_key_has_invalid_index ... ok
[INFO] [stdout] test pool::tests::object_pool::insert::correctly_updates_pool_state ... 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_mut::returns_none_if_key_has_invalid_index ... ok
[INFO] [stdout] test pool::tests::object_pool::clear::replaces_all_items_with_none_and_pushes_index_to_free ... 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_some_reference_to_entry_specified ... ok
[INFO] [stdout] test pool::tests::object_pool::delete::returns_none_if_generation_mismatch ... 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::new::correctly_initializes_a_pool ... ok
[INFO] [stdout] test pool::tests::object_pool::take::replaces_item_with_none_and_pushes_index_to_free ... ok
[INFO] [stdout] test pool::tests::pool_item::get::returns_none_if_empty ... ok
[INFO] [stdout] test pool::tests::pool_item::set::increments_generation ... 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_generation_mismatch ... ok
[INFO] [stdout] test pool::tests::object_pool::take::returns_none_if_key_has_invalid_index ... ok
[INFO] [stdout] test pool::tests::pool_item::get::returns_some_if_not_empty ... ok
[INFO] [stdout] test pool::tests::pool_item::default::default_makes_sense ... 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::clear::sets_contents_to_none_without_advancing_generation ... ok
[INFO] [stdout] test pool::tests::object_pool::insert::should_panic_if_full ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spool
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::capacity (line 156) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::insert (line 176) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::new (line 130) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::get_mut (line 251) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::delete (line 322) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::take (line 286) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::get (line 218) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool<T>::clear (line 356) ... ok
[INFO] [stdout] test src/pool.rs - pool::ObjectPool (line 90) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c029f0a299cbf80b36e0f4fcd9e75e0e574077846fb8886253631398dd5c2bb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c029f0a299cbf80b36e0f4fcd9e75e0e574077846fb8886253631398dd5c2bb1", kill_on_drop: false }`
[INFO] [stdout] c029f0a299cbf80b36e0f4fcd9e75e0e574077846fb8886253631398dd5c2bb1