[INFO] fetching crate understory_virtual_list 0.1.2...
[INFO] testing understory_virtual_list-0.1.2 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate understory_virtual_list 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate understory_virtual_list 0.1.2
[INFO] finished tweaking crates.io crate understory_virtual_list 0.1.2
[INFO] tweaked toml for crates.io crate understory_virtual_list 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate understory_virtual_list 0.1.2 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 understory_virtual_list 0.1.2 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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb
[INFO] running `Command { std: "docker" "start" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb", 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" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb" "/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" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb", 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" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling understory_virtual_list v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb", 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" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling understory_virtual_list v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb", 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" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/understory_virtual_list/da90bdd8ffc20f15/out/understory_virtual_list-da90bdd8ffc20f15)
[INFO] [stdout] 
[INFO] [stdout] running 60 tests
[INFO] [stdout] test grid_track::tests::basic_cell_to_track_mapping ... ok
[INFO] [stdout] test grid_track::tests::index_at_offset_resolves_to_first_cell_in_track ... ok
[INFO] [stdout] test model::tests::empty_materialized_range_inside_content_has_coherent_spacers ... ok
[INFO] [stdout] test model::tests::index_strip_len_and_covered_extent ... ok
[INFO] [stdout] test model::tests::simple_materialized_range ... ok
[INFO] [stdout] test model::tests::empty_materialized_range_beyond_content_has_coherent_spacers ... ok
[INFO] [stdout] test sparse::tests::at_and_after_smaller_set_indices ... ok
[INFO] [stdout] test model::tests::deprecated_visible_names_forward_to_index_strip_names ... ok
[INFO] [stdout] test prefix_sum::tests::rebuild_and_helpers_match_expectations ... ok
[INFO] [stdout] test prefix_sum::tests::index_lookup_uses_prefix_sums ... ok
[INFO] [stdout] test grid_track::tests::extent_and_offsets_come_from_tracks ... ok
[INFO] [stdout] test prefix_sum::tests::prefix_cache_rebuilds_only_through_requested_index ... ok
[INFO] [stdout] test sparse::tests::before_set_indices ... ok
[INFO] [stdout] test sparse::tests::before_set_offsets ... ok
[INFO] [stdout] test fixed::tests::negative_extents_are_clamped_to_zero ... ok
[INFO] [stdout] test sparse::tests::index_at_offset_clamps_to_last_item ... ok
[INFO] [stdout] test sparse::tests::index_at_offset_for_len_clamps_to_last_item_in_prefix ... ok
[INFO] [stdout] test sparse::tests::index_at_offset_for_zero_default_extent ... ok
[INFO] [stdout] test sparse::tests::index_at_offset_handles_initial_guess_past_len ... ok
[INFO] [stdout] test sparse::tests::at_set_extents ... ok
[INFO] [stdout] test sparse::tests::before_set_extents ... ok
[INFO] [stdout] test sparse::tests::compare_dense ... ok
[INFO] [stdout] test sparse::tests::index_at_offset_returns_greatest_index_for_trailing_zero_sized_defaults ... ok
[INFO] [stdout] test sparse::tests::constructor_clamps_negative_default_extent ... ok
[INFO] [stdout] test sparse::tests::only_default_extents ... ok
[INFO] [stdout] test sparse::tests::only_default_indices ... ok
[INFO] [stdout] test grid_track::tests::sparse_track_model_resizes_for_grid_cells ... ok
[INFO] [stdout] test sparse::tests::only_default_offsets ... ok
[INFO] [stdout] test model::tests::empty_model_yields_empty_strip ... ok
[INFO] [stdout] test sparse::tests::at_and_after_set_offsets ... ok
[INFO] [stdout] test sparse::tests::out_of_range_rebuild ... ok
[INFO] [stdout] test sparse::tests::out_of_range_set_extent ... ok
[INFO] [stdout] test sparse::tests::at_and_after_smaller_set_offsets ... ok
[INFO] [stdout] test sparse::tests::total_extent_for_len_is_not_off_by_one ... ok
[INFO] [stdout] test tail_anchored::tests::tail_scroll_offset_matches_content_minus_viewport ... ok
[INFO] [stdout] test virtual_list::tests::grid_virtual_list_covers_all_cells_in_visible_tracks ... ok
[INFO] [stdout] test model::tests::index_strip_len_saturates_for_incoherent_public_values ... ok
[INFO] [stdout] test virtual_list::tests::materialized_strip_tracks_scroll_and_viewport ... ok
[INFO] [stdout] test virtual_list::tests::model_query_wrappers_do_not_dirty_cached_strip ... ok
[INFO] [stdout] test virtual_list::tests::deprecated_visible_helpers_forward_to_materialized_helpers ... ok
[INFO] [stdout] test prefix_sum::tests::grows_and_reports_extents ... ok
[INFO] [stdout] test virtual_list::tests::overscan_accessors_and_clamp_scroll_behave ... ok
[INFO] [stdout] test prefix_sum::tests::negative_extents_are_clamped_to_zero ... ok
[INFO] [stdout] test virtual_list::tests::range_helpers_use_half_open_ranges ... ok
[INFO] [stdout] test sparse::tests::rebuild_initializes_prefixes_from_zero ... ok
[INFO] [stdout] test sparse::tests::at_and_after_set_indices ... ok
[INFO] [stdout] test sparse::tests::shrink_then_grow_discards_stale_sparse_entries ... ok
[INFO] [stdout] test virtual_list::tests::restore_tail_anchor_keeps_scroll_when_not_previously_anchored ... ok
[INFO] [stdout] test virtual_list::tests::target_offset_for_index_returns_none_for_empty_model ... ok
[INFO] [stdout] test virtual_list::tests::viewport_range_handles_empty_and_single_item_ranges ... ok
[INFO] [stdout] test virtual_list::tests::set_len_works_through_tail_anchored_models ... ok
[INFO] [stdout] test virtual_list::tests::tail_anchored_helpers_scroll_and_detect_tail ... ok
[INFO] [stdout] test sparse::tests::total_extent_for_len_clamp ... ok
[INFO] [stdout] test tail_anchored::tests::is_at_tail_detects_near_tail_offsets ... ok
[INFO] [stdout] test virtual_list::tests::restore_tail_anchor_uses_state_captured_before_append ... ok
[INFO] [stdout] test virtual_list::tests::set_len_resizes_model_and_invalidates_cached_strip ... ok
[INFO] [stdout] test virtual_list::tests::visibility_queries_for_indices ... ok
[INFO] [stdout] test fixed::tests::basic_offsets_and_indices ... ok
[INFO] [stdout] test virtual_list::tests::scroll_to_index_alignment_behaves_as_expected ... ok
[INFO] [stderr]    Doc-tests understory_virtual_list
[INFO] [stdout] test model::tests::asymmetric_overscan_extends_in_one_direction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 60 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 49) ... ok
[INFO] [stdout] test src/tail_anchored.rs - tail_anchored (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.66s; merged doctests compilation took 0.63s
[INFO] running `Command { std: "docker" "inspect" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb", kill_on_drop: false }`
[INFO] [stdout] c009dc3e10e34aed5ba734d39e4e1737552ca73cd239c478b9f4a6ed551ef0fb
