[INFO] fetching crate ribbon-filter 0.2.0...
[INFO] testing ribbon-filter-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate ribbon-filter 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate ribbon-filter 0.2.0
[INFO] finished tweaking crates.io crate ribbon-filter 0.2.0
[INFO] tweaked toml for crates.io crate ribbon-filter 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ribbon-filter 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ribbon-filter 0.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff69d7e26a942f3e9849e850c499580b3e2087827cc275c150768a91b95ea0f4
[INFO] running `Command { std: "docker" "start" "-a" "ff69d7e26a942f3e9849e850c499580b3e2087827cc275c150768a91b95ea0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff69d7e26a942f3e9849e850c499580b3e2087827cc275c150768a91b95ea0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff69d7e26a942f3e9849e850c499580b3e2087827cc275c150768a91b95ea0f4", kill_on_drop: false }`
[INFO] [stdout] ff69d7e26a942f3e9849e850c499580b3e2087827cc275c150768a91b95ea0f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e4a963e6b1d85a286672314d1b52fd5779f9bb9e8d5829bcda23693b089709
[INFO] running `Command { std: "docker" "start" "-a" "f3e4a963e6b1d85a286672314d1b52fd5779f9bb9e8d5829bcda23693b089709", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling ribbon-filter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.49s
[INFO] running `Command { std: "docker" "inspect" "f3e4a963e6b1d85a286672314d1b52fd5779f9bb9e8d5829bcda23693b089709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e4a963e6b1d85a286672314d1b52fd5779f9bb9e8d5829bcda23693b089709", kill_on_drop: false }`
[INFO] [stdout] f3e4a963e6b1d85a286672314d1b52fd5779f9bb9e8d5829bcda23693b089709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd4a843a1843edde817397ae4d5b21c3f84d2c5e1b0ca9e2b94bc847c4a2d9b3
[INFO] running `Command { std: "docker" "start" "-a" "bd4a843a1843edde817397ae4d5b21c3f84d2c5e1b0ca9e2b94bc847c4a2d9b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling ribbon-filter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "bd4a843a1843edde817397ae4d5b21c3f84d2c5e1b0ca9e2b94bc847c4a2d9b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4a843a1843edde817397ae4d5b21c3f84d2c5e1b0ca9e2b94bc847c4a2d9b3", kill_on_drop: false }`
[INFO] [stdout] bd4a843a1843edde817397ae4d5b21c3f84d2c5e1b0ca9e2b94bc847c4a2d9b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e059ad57af8720d4c821387f04e4d0c08beb49c8882a5bd51ea1d4ea3e791261
[INFO] running `Command { std: "docker" "start" "-a" "e059ad57af8720d4c821387f04e4d0c08beb49c8882a5bd51ea1d4ea3e791261", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ribbon_filter-5e6a5437f5dec239)
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test error::tests::param_error_display_is_actionable ... ok
[INFO] [stdout] test error::tests::build_error_display_contains_context ... ok
[INFO] [stdout] test tests::hash_pipeline_masks_fingerprint_to_r_bits ... ok
[INFO] [stdout] test tests::growth_path_is_exercised_and_reports_grown_m ... ok
[INFO] [stdout] test tests::hash_pipeline_is_deterministic_for_seed_and_key ... ok
[INFO] [stdout] test tests::construction_failure_out_of_bounds_display_contains_context ... ok
[INFO] [stdout] test tests::builder_supports_custom_buildhasher ... ok
[INFO] [stdout] test tests::hash_pipeline_start_in_range_and_pivot_forced ... ok
[INFO] [stdout] test tests::contains_and_contains_in_are_equivalent ... ok
[INFO] [stdout] test tests::builder_supports_width_above_64 ... ok
[INFO] [stdout] test tests::bitpacked_storage_maintains_membership_behavior ... ok
[INFO] [stdout] test tests::homogeneous_pipeline_has_zero_fingerprint ... ok
[INFO] [stdout] test tests::params_accepts_valid_values ... ok
[INFO] [stdout] test tests::params_from_expected_items_computes_m ... ok
[INFO] [stdout] test tests::params_r_from_fpr_rounding_and_range ... ok
[INFO] [stdout] test tests::params_rejects_w_greater_than_m ... ok
[INFO] [stdout] test tests::params_rejects_zero_m ... ok
[INFO] [stdout] test tests::params_rejects_zero_w ... ok
[INFO] [stdout] test tests::retry_path_is_exercised_and_eventually_succeeds ... ok
[INFO] [stdout] test tests::standard_builder_reports_inconsistent_equation_failure ... ok
[INFO] [stdout] test tests::params_rejects_zero_retry_limit ... ok
[INFO] [stdout] test tests::homogeneous_build_succeeds_and_has_no_false_negatives ... ok
[INFO] [stdout] test tests::params_rejects_zero_r ... ok
[INFO] [stdout] test tests::params_rejects_zero_n_in_expected_items ... ok
[INFO] [stdout] test tests::params_from_expected_items_rejects_overhead_out_of_range ... ok
[INFO] [stdout] test tests::start_position_hook_stays_in_bounds ... ok
[INFO] [stdout] test tests::successful_build_persists_selected_attempt_seed ... ok
[INFO] [stdout] test tests::terminal_failure_reports_attempts_and_final_m ... ok
[INFO] [stdout] test tests::width_128_pipeline_sets_bits_in_both_halves ... ok
[INFO] [stdout] test tests::standard_builder_is_deterministic_for_same_input ... ok
[INFO] [stdout] test tests::standard_builder_has_no_false_negatives_1k ... ok
[INFO] [stdout] test tests::standard_builder_has_no_false_negatives_10k ... ok
[INFO] [stdout] test tests::homogeneous_mode_has_reasonable_false_positive_rate ... ok
[INFO] [stdout] test tests::adversarial_regression_corpus_has_no_false_negatives ... ok
[INFO] [stdout] test tests::property_no_false_negatives_across_generated_cases ... ok
[INFO] [stdout] test tests::compatibility_matrix_modes_widths_and_fingerprints ... ok
[INFO] [stdout] test tests::property_determinism_across_generated_cases ... ok
[INFO] [stdout] test tests::statistical_false_positive_rates_are_within_confidence_bounds ... ok
[INFO] [stderr]    Doc-tests ribbon_filter
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 38 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.54s; merged doctests compilation took 0.53s
[INFO] running `Command { std: "docker" "inspect" "e059ad57af8720d4c821387f04e4d0c08beb49c8882a5bd51ea1d4ea3e791261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e059ad57af8720d4c821387f04e4d0c08beb49c8882a5bd51ea1d4ea3e791261", kill_on_drop: false }`
[INFO] [stdout] e059ad57af8720d4c821387f04e4d0c08beb49c8882a5bd51ea1d4ea3e791261