[INFO] fetching crate db-rs 0.4.1...
[INFO] testing db-rs-0.4.1 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate db-rs 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate db-rs 0.4.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate db-rs 0.4.1
[INFO] tweaked toml for crates.io crate db-rs 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate db-rs 0.4.1 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate db-rs 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2
[INFO] running `Command { std: "docker" "start" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling syn v3.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling db-rs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 10.17s
[INFO] running `Command { std: "docker" "inspect" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling db-rs v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 12.49s
[INFO] running `Command { std: "docker" "inspect" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/db-rs/712aebb9c2f8c040/out/db_rs-712aebb9c2f8c040)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test payload_buffer::tests::push_encoded_matches_encode_then_push ... ok
[INFO] [stdout] test log::tests::finds_no_candidate_without_numbered_logs ... ok
[INFO] [stdout] test payload_buffer::tests::single_payload_round_trip ... ok
[INFO] [stdout] test log::tests::finds_next_log_instead_of_latest ... ok
[INFO] [stdout] test payload_buffer::tests::truncated_payload_is_incomplete ... ok
[INFO] [stdout] test log::tests::finds_latest_log_candidate ... ok
[INFO] [stdout] test payload_buffer::tests::empty_payload_is_distinct_from_empty_buffer ... ok
[INFO] [stdout] test views::composite_view::tests::rejects_unknown_table_ids ... ok
[INFO] [stdout] test views::composite_view::tests::routes_events_to_child_views ... ok
[INFO] [stdout] test views::composite_view::tests::take_pending_skips_unchanged_views ... ok
[INFO] [stdout] test payload_buffer::tests::multiple_payloads_round_trip ... ok
[INFO] [stdout] test payload_buffer::tests::empty_buffer_has_no_payload ... ok
[INFO] [stdout] test log::tests::locks_use_a_separate_database_file ... ok
[INFO] [stdout] test log::tests::init_creates_initial_log ... ok
[INFO] [stdout] test log::tests::appended_events_can_be_read ... ok
[INFO] [stdout] test log::tests::snapshot_recovery_rejects_pending_edits ... ok
[INFO] [stdout] test views::composite_view::tests::snapshot_round_trip ... ok
[INFO] [stderr]      Running tests/hashmap.rs (/opt/rustwide/target/release/build/db-rs/8eeec381eb78f10e/out/hashmap-8eeec381eb78f10e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test round_trip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/hashmap_map.rs (/opt/rustwide/target/release/build/db-rs/b3b1ef7a87251ff2/out/hashmap_map-b3b1ef7a87251ff2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test round_trip ... ok
[INFO] [stderr]      Running tests/hashmap_set.rs (/opt/rustwide/target/release/build/db-rs/b960b40f3e4a8f8c/out/hashmap_set-b960b40f3e4a8f8c)
[INFO] [stdout] test snapshot_preserves_entries_and_empty_groups ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test round_trip ... ok
[INFO] [stdout] test snapshot_preserves_members_and_empty_groups ... ok
[INFO] [stderr]      Running tests/in_memory.rs (/opt/rustwide/target/release/build/db-rs/87236741565a7f02/out/in_memory-87236741565a7f02)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running tests/ipc.rs (/opt/rustwide/target/release/build/db-rs/71a48289d91ed815/out/ipc-71a48289d91ed815)
[INFO] [stdout] test dropping_empty_write_is_harmless ... ok
[INFO] [stdout] test composite_snapshot_round_trip ... ok
[INFO] [stdout] test dropping_dirty_write_requires_reinitializing ... ok
[INFO] [stdout] test dropped_composite_edits_poison_the_database ... ok
[INFO] [stdout] test persistent_init_does_not_fall_back_to_memory ... ok
[INFO] [stdout] test transactions_and_notifications ... ok
[INFO] [stdout] test ignores_log_location_and_does_not_persist ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test ipc_worker ... ok
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ipc_worker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stdout] test writers_serialize_across_processes ... ok
[INFO] [stdout] test ipc_worker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stdout] test reader_blocks_another_process_writer ... ok
[INFO] [stdout] test ipc_worker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stdout] test ipc_worker ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 4 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stdout] test writers_on_different_logs_serialize_across_processes ... ok
[INFO] [stderr]      Running tests/last_modified.rs (/opt/rustwide/target/release/build/db-rs/de2e43d446ad17ea/out/last_modified-de2e43d446ad17ea)
[INFO] [stdout] test stale_reader_blocks_another_process_writer_after_snapshot ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test composite_tracks_only_changed_children_and_preserves_their_sequences ... ok
[INFO] [stderr]      Running tests/notifications.rs (/opt/rustwide/target/release/build/db-rs/8244ba38fb5d0956/out/notifications-8244ba38fb5d0956)
[INFO] [stdout] test collection_views_track_commits_replay_and_empty_snapshots ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test disconnected_receiver_does_not_prevent_writes ... ok
[INFO] [stdout] test notifies_local_writes_and_catch_up_across_snapshots ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/option.rs (/opt/rustwide/target/release/build/db-rs/92a8677c4eeb1442/out/option-92a8677c4eeb1442)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test round_trip ... ok
[INFO] [stdout] test snapshots_preserve_some_and_none ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vec.rs (/opt/rustwide/target/release/build/db-rs/125f2b04923230cd/out/vec-125f2b04923230cd)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test invalid_indices_leave_the_view_and_pending_events_unchanged ... ok
[INFO] [stdout] test round_trip ... ok
[INFO] [stdout] test snapshots_preserve_order_during_reopen_and_catch_up ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/view.rs (/opt/rustwide/target/release/build/db-rs/30de817ecbb8bde9/out/view-30de817ecbb8bde9)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test read_transactions_release_their_locks_independently ... ok
[INFO] [stdout] test dropping_empty_write_transaction_is_harmless ... ok
[INFO] [stdout] test dropping_dirty_write_transaction_requires_reopening ... ok
[INFO] [stdout] test dropped_dirty_transaction_is_rejected_before_catch_up ... ok
[INFO] [stdout] test write_transaction_sequence ... ok
[INFO] [stdout] test write_transaction_catches_up_a_stale_view ... ok
[INFO] [stdout] test catch_up_crosses_each_snapshot ... ok
[INFO] [stdout] test snapshot_reduces_log_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests db_rs
[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" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2", kill_on_drop: false }`
[INFO] [stdout] b5124680565d4482716785fda96016d4af2dd2d480e294773c2345d7727608b2
