[INFO] fetching crate bit-set 0.5.2...
[INFO] testing bit-set-0.5.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate bit-set 0.5.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate bit-set 0.5.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit-set 0.5.2
[INFO] finished tweaking crates.io crate bit-set 0.5.2
[INFO] tweaked toml for crates.io crate bit-set 0.5.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08e4ba37fe3226799c4b73125fe298fc128d9fe82049f20f08a1b50dbe7a5719
[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" "08e4ba37fe3226799c4b73125fe298fc128d9fe82049f20f08a1b50dbe7a5719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08e4ba37fe3226799c4b73125fe298fc128d9fe82049f20f08a1b50dbe7a5719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e4ba37fe3226799c4b73125fe298fc128d9fe82049f20f08a1b50dbe7a5719", kill_on_drop: false }`
[INFO] [stdout] 08e4ba37fe3226799c4b73125fe298fc128d9fe82049f20f08a1b50dbe7a5719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ef9a974f6a0232357f69df4120d3713dcef5b7a416a9d9b9566c30b669802d2
[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" "3ef9a974f6a0232357f69df4120d3713dcef5b7a416a9d9b9566c30b669802d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling bit-set v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "3ef9a974f6a0232357f69df4120d3713dcef5b7a416a9d9b9566c30b669802d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef9a974f6a0232357f69df4120d3713dcef5b7a416a9d9b9566c30b669802d2", kill_on_drop: false }`
[INFO] [stdout] 3ef9a974f6a0232357f69df4120d3713dcef5b7a416a9d9b9566c30b669802d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37b378d074fdd5e5a0c808d6b341fd04b5f1d82c7752284e99282e60cb712ecc
[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" "37b378d074fdd5e5a0c808d6b341fd04b5f1d82c7752284e99282e60cb712ecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling bit-set v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]    --> src/lib.rs:996:44
[INFO] [stdout]     |
[INFO] [stdout] 996 |                 assert_eq!(bitset.contains((l-1)), b);
[INFO] [stdout]     |                                            ^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "37b378d074fdd5e5a0c808d6b341fd04b5f1d82c7752284e99282e60cb712ecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37b378d074fdd5e5a0c808d6b341fd04b5f1d82c7752284e99282e60cb712ecc", kill_on_drop: false }`
[INFO] [stdout] 37b378d074fdd5e5a0c808d6b341fd04b5f1d82c7752284e99282e60cb712ecc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-01-01" "test" "--frozen", 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] f9693327265bf8369fda9c8c6c50556b71ef5847a92da56cf3111af1d3274c77
[INFO] running `Command { std: "docker" "start" "-a" "f9693327265bf8369fda9c8c6c50556b71ef5847a92da56cf3111af1d3274c77", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]    --> src/lib.rs:996:44
[INFO] [stderr]     |
[INFO] [stderr] 996 |                 assert_eq!(bitset.contains((l-1)), b);
[INFO] [stderr]     |                                            ^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bit_set-8b1492884dd1baaa
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::test_bit_set_basic ... ok
[INFO] [stdout] test tests::test_bit_set_difference ... ok
[INFO] [stdout] test tests::test_bit_set_cmp ... ok
[INFO] [stdout] test tests::test_bit_set_difference_with ... ok
[INFO] [stdout] test tests::test_bit_set_eq ... ok
[INFO] [stdout] test tests::test_bit_set_is_disjoint ... ok
[INFO] [stdout] test tests::test_bit_set_intersect_with ... ok
[INFO] [stdout] test tests::test_bit_set_intersection ... ok
[INFO] [stdout] test tests::test_bit_vec_clone ... ok
[INFO] [stdout] test tests::test_bit_vec_masking ... ok
[INFO] [stdout] test tests::test_bit_vec_remove ... ok
[INFO] [stdout] test tests::test_bit_set_symmetric_difference_with ... ok
[INFO] [stdout] test tests::test_bit_set_frombit_vec_init ... ok
[INFO] [stdout] test tests::test_bit_set_from_usizes ... ok
[INFO] [stdout] test tests::test_bit_set_union ... ok
[INFO] [stdout] test tests::test_bit_set_union_with ... ok
[INFO] [stdout] test tests::test_bit_set_symmetric_difference ... ok
[INFO] [stdout] test tests::test_bit_set_subset ... ok
[INFO] [stdout] test tests::test_bit_set_iterator ... ok
[INFO] [stdout] test tests::test_bit_set_show ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bit-set
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test src/lib.rs - BitSet<B>::intersection (line 447) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::capacity (line 236) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::reserve_len_exact (line 281) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::symmetric_difference (line 510) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::difference (line 475) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::symmetric_difference_with (line 615) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::iter (line 400) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::shrink_to_fit (line 367) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<u32>::with_capacity (line 186) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::get_ref (line 319) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::intersect_with (line 559) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::difference_with (line 583) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<u32>::new (line 171) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<u32>::from_bit_vec (line 202) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::reserve_len (line 256) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::union (line 420) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::into_bit_vec (line 299) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - BitSet<B>::union_with (line 536) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.84s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f9693327265bf8369fda9c8c6c50556b71ef5847a92da56cf3111af1d3274c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9693327265bf8369fda9c8c6c50556b71ef5847a92da56cf3111af1d3274c77", kill_on_drop: false }`
[INFO] [stdout] f9693327265bf8369fda9c8c6c50556b71ef5847a92da56cf3111af1d3274c77