[INFO] fetching crate sparse-vector-rs 2.0.0...
[INFO] testing sparse-vector-rs-2.0.0 against 1.99.0-beta.8 for beta-1.100-2
[INFO] extracting crate sparse-vector-rs 2.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sparse-vector-rs 2.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sparse-vector-rs 2.0.0
[INFO] tweaked toml for crates.io crate sparse-vector-rs 2.0.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sparse-vector-rs 2.0.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sparse-vector-rs 2.0.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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] 91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a
[INFO] running `Command { std: "docker" "start" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a", 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" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a", 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" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparse-vector-rs v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a", 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" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling sparse-vector-rs v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a", 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" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "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/deps/sparse_vector-5f7c267852f5aa90)
[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] [stderr]      Running tests/default_value.rs (/opt/rustwide/target/debug/deps/default_value-3145d181a3f16758)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test is_replaceable_after_construction ... ok
[INFO] [stdout] test defaults_to_the_number_0_when_omitted ... ok
[INFO] [stdout] test generalises_to_any_defaultable_type ... ok
[INFO] [stdout] test accepts_an_explicit_default ... ok
[INFO] [stderr]      Running tests/from_elements.rs (/opt/rustwide/target/debug/deps/from_elements-bc4319f5357f5f01)
[INFO] [stdout] test honours_an_explicit_optional_default ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test accepts_any_into_iterator ... ok
[INFO] [stdout] test round_trips_when_the_default_is_carried_alongside ... ok
[INFO] [stdout] test takes_a_default_value ... ok
[INFO] [stdout] test builds_from_elements_dropping_defaults_and_favouring_the_last_duplicate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/introspection.rs (/opt/rustwide/target/debug/deps/introspection-ac17c05eb42e51cd)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test lists_elements_in_descending_index_order ... ok
[INFO] [stdout] test measures_how_far_the_vector_reaches_each_side_of_zero ... ok
[INFO] [stdout] test measures_significant_positions_from_the_last_entry ... ok
[INFO] [stdout] test measures_the_span_between_the_outermost_entries ... ok
[INFO] [stdout] test counts_from_the_inverted_end_by_ordinal ... ok
[INFO] [stdout] test reaches_an_entry_by_ordinal ... ok
[INFO] [stdout] test handles_a_position_at_the_edge_of_the_index_range ... ok
[INFO] [stdout] test clones_independently ... ok
[INFO] [stdout] test measures_significant_positions_from_the_first_entry ... ok
[INFO] [stdout] test is_iterable ... ok
[INFO] [stdout] test refuses_an_ordinal_without_a_matching_entry ... ok
[INFO] [stdout] test keeps_descending_order_under_adversarial_insertion ... ok
[INFO] [stdout] test lists_the_inverted_views_in_ascending_index_order ... ok
[INFO] [stdout] test supports_the_whole_i64_index_range ... ok
[INFO] [stdout] test walks_from_either_end ... ok
[INFO] [stdout] test refuses_a_significant_position_without_an_anchor ... ok
[INFO] [stderr]      Running tests/pruning.rs (/opt/rustwide/target/debug/deps/pruning-d4946ca8de4b1997)
[INFO] [stdout] test reports_the_entry_count ... ok
[INFO] [stdout] test serialises_to_its_explicit_entries_only ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test compares_exactly ... ok
[INFO] [stdout] test prunes_a_negative_zero ... ok
[INFO] [stdout] test keeps_entries_that_were_pruned_earlier_gone ... ok
[INFO] [stdout] test never_stores_a_value_equal_to_the_default ... ok
[INFO] [stdout] test prunes_on_a_change_of_default_and_forgets_pruned_positions ... ok
[INFO] [stdout] test prunes_by_value_not_by_identity ... ok
[INFO] [stdout] test prunes_an_entry_that_becomes_the_default ... ok
[INFO] [stdout] test documents_the_nan_caveat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/reading.rs (/opt/rustwide/target/debug/deps/reading-4fe8b6b4fe2f4929)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running tests/writing.rs (/opt/rustwide/target/debug/deps/writing-dac9ea1d745a1221)
[INFO] [stdout] test answers_for_any_integer_negatives_included ... ok
[INFO] [stdout] test stores_values_of_any_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test resets_every_entry_but_keeps_the_default ... ok
[INFO] [stdout] test inserts_and_updates ... ok
[INFO] [stdout] test chains_writes ... ok
[INFO] [stdout] test resets_to_the_default_value ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sparse_vector
[INFO] [stdout] test result: ok. 4 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 src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - (line 32) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - (line 124) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.55s; merged doctests compilation took 0.52s
[INFO] running `Command { std: "docker" "inspect" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a", kill_on_drop: false }`
[INFO] [stdout] 91827d76b60fb618e2397cd6c0d503782f9c3a05aa2336ad033f7f95ec6b890a
