[INFO] fetching crate bittyset 0.1.0...
[INFO] testing bittyset-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bittyset 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate bittyset 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bittyset 0.1.0
[INFO] finished tweaking crates.io crate bittyset 0.1.0
[INFO] tweaked toml for crates.io crate bittyset 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gensym v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b977dfed91584b7316ce8ab045c38a322ad1a00b9def80562ea175e4a12a8a8d
[INFO] running `Command { std: "docker" "start" "-a" "b977dfed91584b7316ce8ab045c38a322ad1a00b9def80562ea175e4a12a8a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b977dfed91584b7316ce8ab045c38a322ad1a00b9def80562ea175e4a12a8a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b977dfed91584b7316ce8ab045c38a322ad1a00b9def80562ea175e4a12a8a8d", kill_on_drop: false }`
[INFO] [stdout] b977dfed91584b7316ce8ab045c38a322ad1a00b9def80562ea175e4a12a8a8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a4612661a3da983b20d0d43ef5eb350f6047f2ba538ef6adb0021491b71643e
[INFO] running `Command { std: "docker" "start" "-a" "2a4612661a3da983b20d0d43ef5eb350f6047f2ba538ef6adb0021491b71643e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling gensym v0.1.0
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling bittyset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.84s
[INFO] running `Command { std: "docker" "inspect" "2a4612661a3da983b20d0d43ef5eb350f6047f2ba538ef6adb0021491b71643e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4612661a3da983b20d0d43ef5eb350f6047f2ba538ef6adb0021491b71643e", kill_on_drop: false }`
[INFO] [stdout] 2a4612661a3da983b20d0d43ef5eb350f6047f2ba538ef6adb0021491b71643e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c415c1c5cfff82dda0a2d98a119344a6de771b2191c4a9c6c2aecf65f316312f
[INFO] running `Command { std: "docker" "start" "-a" "c415c1c5cfff82dda0a2d98a119344a6de771b2191c4a9c6c2aecf65f316312f", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling bittyset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 21.11s
[INFO] running `Command { std: "docker" "inspect" "c415c1c5cfff82dda0a2d98a119344a6de771b2191c4a9c6c2aecf65f316312f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c415c1c5cfff82dda0a2d98a119344a6de771b2191c4a9c6c2aecf65f316312f", kill_on_drop: false }`
[INFO] [stdout] c415c1c5cfff82dda0a2d98a119344a6de771b2191c4a9c6c2aecf65f316312f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc0757df6ee3445cae7d4f7232f0c3163034ab5ff6d4dedd9f18258fc754f962
[INFO] running `Command { std: "docker" "start" "-a" "dc0757df6ee3445cae7d4f7232f0c3163034ab5ff6d4dedd9f18258fc754f962", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bittyset-0b9027ae9043a2c0)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::contains ... ok
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::with_capacity ... ok
[INFO] [stdout] test tests::shrink_to_fit ... ok
[INFO] [stdout] test tests::reserve ... ok
[INFO] [stdout] test tests::len ... 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] [stderr]      Running tests/bitset.rs (/opt/rustwide/target/debug/deps/bitset-c5bef276b7fb039c)
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test bitand_assign_ref_prop ... ok
[INFO] [stdout] test bitor_assign_ref_prop ... ok
[INFO] [stdout] test collect ... ok
[INFO] [stdout] test extend ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test hash ... ok
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test bitand_prop ... ok
[INFO] [stdout] test bitor_prop ... ok
[INFO] [stdout] test bitxor_assign_ref_prop ... ok
[INFO] [stdout] test debug ... ok
[INFO] [stdout] test is_propert_subset_not_refl_prop ... ok
[INFO] [stdout] test is_subset_one_more_prop ... ok
[INFO] [stdout] test is_proper_subset_one_more_prop ... ok
[INFO] [stdout] test is_subset_refl_prop ... ok
[INFO] [stdout] test set_difference_assign_ref_prop ... ok
[INFO] [stdout] test is_subset_vec_prop ... ok
[INFO] [stdout] test is_proper_subset_vec_prop ... ok
[INFO] [stdout] test set_difference_prop ... ok
[INFO] [stdout] test bitxor_prop ... ok
[INFO] [stdout] test eq_large ... ok
[INFO] [stdout] test hash_large ... ok
[INFO] [stdout] test bitand_large ... ok
[INFO] [stdout] test bitor_large ... ok
[INFO] [stdout] test set_difference_large ... ok
[INFO] [stdout] test bitxor_large ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bittyset
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/lib.rs - BitSet<T>::new (line 76) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::capacity (line 115) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::is_proper_subset (line 513) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::insert (line 264) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::with_capacity (line 98) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::reserve (line 130) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::reserve_exact (line 150) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::remove (line 291) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::intersect_with (line 382) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::is_subset (line 485) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::difference (line 403) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::union (line 320) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::contains (line 235) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::iter (line 200) ... ok
[INFO] [stdout] test src/macros.rs - bitset (line 6) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::intersection (line 361) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::difference_with (line 424) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::symmetric_difference (line 445) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::union_with (line 340) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::shrink_to_fit (line 169) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::symmetric_difference_with (line 466) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc0757df6ee3445cae7d4f7232f0c3163034ab5ff6d4dedd9f18258fc754f962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0757df6ee3445cae7d4f7232f0c3163034ab5ff6d4dedd9f18258fc754f962", kill_on_drop: false }`
[INFO] [stdout] dc0757df6ee3445cae7d4f7232f0c3163034ab5ff6d4dedd9f18258fc754f962