[INFO] fetching crate bittyset 0.1.0...
[INFO] testing bittyset-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bittyset 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bittyset 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c32f29250377a97c48adc93902485408eb1fce6d3ba42fa293bcc46000b71beb
[INFO] running `Command { std: "docker" "start" "-a" "c32f29250377a97c48adc93902485408eb1fce6d3ba42fa293bcc46000b71beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c32f29250377a97c48adc93902485408eb1fce6d3ba42fa293bcc46000b71beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c32f29250377a97c48adc93902485408eb1fce6d3ba42fa293bcc46000b71beb", kill_on_drop: false }`
[INFO] [stdout] c32f29250377a97c48adc93902485408eb1fce6d3ba42fa293bcc46000b71beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bf35018eb1393ea20fee192e11739fd4aed47d37b83ed6d629949e8d4be46871
[INFO] running `Command { std: "docker" "start" "-a" "bf35018eb1393ea20fee192e11739fd4aed47d37b83ed6d629949e8d4be46871", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling gensym v0.1.0
[INFO] [stderr]    Compiling bittyset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.12s
[INFO] running `Command { std: "docker" "inspect" "bf35018eb1393ea20fee192e11739fd4aed47d37b83ed6d629949e8d4be46871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf35018eb1393ea20fee192e11739fd4aed47d37b83ed6d629949e8d4be46871", kill_on_drop: false }`
[INFO] [stdout] bf35018eb1393ea20fee192e11739fd4aed47d37b83ed6d629949e8d4be46871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e4fc5adb9b06be912ac48481680a84e00bc09085d38659ff4a3ea20b0d126ac6
[INFO] running `Command { std: "docker" "start" "-a" "e4fc5adb9b06be912ac48481680a84e00bc09085d38659ff4a3ea20b0d126ac6", kill_on_drop: false }`
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling quickcheck v0.9.2
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling bittyset v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.97s
[INFO] running `Command { std: "docker" "inspect" "e4fc5adb9b06be912ac48481680a84e00bc09085d38659ff4a3ea20b0d126ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4fc5adb9b06be912ac48481680a84e00bc09085d38659ff4a3ea20b0d126ac6", kill_on_drop: false }`
[INFO] [stdout] e4fc5adb9b06be912ac48481680a84e00bc09085d38659ff4a3ea20b0d126ac6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] adf8768a1146064506be9ccaf797d816859f50228d8c34172146e4a06a7ad820
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "adf8768a1146064506be9ccaf797d816859f50228d8c34172146e4a06a7ad820", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bittyset-3bff7d75524704ac
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::contains ... ok
[INFO] [stdout] test tests::shrink_to_fit ... ok
[INFO] [stdout] test tests::with_capacity ... ok
[INFO] [stdout] test tests::reserve ... ok
[INFO] [stdout] test tests::len ... ok
[INFO] [stdout] test tests::insert ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitset-65b3a312b1548093
[INFO] [stdout] 
[INFO] [stdout] running 27 tests
[INFO] [stdout] test eq ... ok
[INFO] [stdout] test collect ... ok
[INFO] [stdout] test debug ... ok
[INFO] [stdout] test hash ... ok
[INFO] [stdout] test clear ... ok
[INFO] [stdout] test extend ... ok
[INFO] [stdout] test is_propert_subset_not_refl_prop ... ok
[INFO] [stdout] test is_proper_subset_one_more_prop ... ok
[INFO] [stdout] test is_proper_subset_vec_prop ... ok
[INFO] [stdout] test bitand_assign_ref_prop ... ok
[INFO] [stdout] test bitxor_assign_ref_prop ... ok
[INFO] [stdout] test bitand_prop ... ok
[INFO] [stdout] test iter ... ok
[INFO] [stdout] test bitxor_prop ... ok
[INFO] [stdout] test is_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 bitor_assign_ref_prop ... ok
[INFO] [stdout] test bitor_prop ... ok
[INFO] [stdout] test is_subset_vec_prop ... ok
[INFO] [stdout] test set_difference_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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bittyset
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/lib.rs - BitSet<T>::capacity (line 115) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::new (line 76) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::reserve (line 130) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::difference_with (line 424) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::remove (line 291) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::contains (line 235) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::intersection (line 361) ... 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>::reserve_exact (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::insert (line 264) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::iter (line 200) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::is_proper_subset (line 513) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::difference (line 403) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::shrink_to_fit (line 169) ... ok
[INFO] [stdout] test src/macros.rs - bitset (line 6) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::symmetric_difference (line 445) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::symmetric_difference_with (line 466) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::union_with (line 340) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::union (line 320) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<T>::with_capacity (line 98) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "adf8768a1146064506be9ccaf797d816859f50228d8c34172146e4a06a7ad820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf8768a1146064506be9ccaf797d816859f50228d8c34172146e4a06a7ad820", kill_on_drop: false }`
[INFO] [stdout] adf8768a1146064506be9ccaf797d816859f50228d8c34172146e4a06a7ad820