[INFO] fetching crate bitarray-set 0.4.1...
[INFO] testing bitarray-set-0.4.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate bitarray-set 0.4.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bitarray-set 0.4.1 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 bitarray-set 0.4.1
[INFO] finished tweaking crates.io crate bitarray-set 0.4.1
[INFO] tweaked toml for crates.io crate bitarray-set 0.4.1 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 61583402a40720b2ce7516f1fc4a9de1837fbe18f3b62beaf3497045a796d546
[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" "61583402a40720b2ce7516f1fc4a9de1837fbe18f3b62beaf3497045a796d546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61583402a40720b2ce7516f1fc4a9de1837fbe18f3b62beaf3497045a796d546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61583402a40720b2ce7516f1fc4a9de1837fbe18f3b62beaf3497045a796d546", kill_on_drop: false }`
[INFO] [stdout] 61583402a40720b2ce7516f1fc4a9de1837fbe18f3b62beaf3497045a796d546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 85ac31f0409f37d511b5fd2cd4fe026229c03b9e215c365cabb2fbc1fa3c326e
[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" "85ac31f0409f37d511b5fd2cd4fe026229c03b9e215c365cabb2fbc1fa3c326e", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling generic-array v0.3.2
[INFO] [stderr]    Compiling bit-array v0.4.4
[INFO] [stderr]    Compiling bitarray-set v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `Command { std: "docker" "inspect" "85ac31f0409f37d511b5fd2cd4fe026229c03b9e215c365cabb2fbc1fa3c326e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ac31f0409f37d511b5fd2cd4fe026229c03b9e215c365cabb2fbc1fa3c326e", kill_on_drop: false }`
[INFO] [stdout] 85ac31f0409f37d511b5fd2cd4fe026229c03b9e215c365cabb2fbc1fa3c326e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] beb1603434b1f5c796d3c042fbe12ca1dc87f7f19abe197addddaf36ee910ccc
[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" "beb1603434b1f5c796d3c042fbe12ca1dc87f7f19abe197addddaf36ee910ccc", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitarray-set v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]     --> src/lib.rs:1004:43
[INFO] [stdout]      |
[INFO] [stdout] 1004 |             assert_eq!(bitset_10.contains((9)), 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: unnecessary parentheses around method argument
[INFO] [stdout]     --> src/lib.rs:1008:43
[INFO] [stdout]      |
[INFO] [stdout] 1008 |             assert_eq!(bitset_64.contains((63)), b);
[INFO] [stdout]      |                                           ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around method argument
[INFO] [stdout]     --> src/lib.rs:1012:44
[INFO] [stdout]      |
[INFO] [stdout] 1012 |             assert_eq!(bitset_100.contains((99)), b);
[INFO] [stdout]      |                                            ^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "beb1603434b1f5c796d3c042fbe12ca1dc87f7f19abe197addddaf36ee910ccc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb1603434b1f5c796d3c042fbe12ca1dc87f7f19abe197addddaf36ee910ccc", kill_on_drop: false }`
[INFO] [stdout] beb1603434b1f5c796d3c042fbe12ca1dc87f7f19abe197addddaf36ee910ccc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 77d419d8b508ededc5d4a48fe8906287765492eecadfda879e608af9da3c80f8
[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" "77d419d8b508ededc5d4a48fe8906287765492eecadfda879e608af9da3c80f8", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]     --> src/lib.rs:1004:43
[INFO] [stderr]      |
[INFO] [stderr] 1004 |             assert_eq!(bitset_10.contains((9)), b);
[INFO] [stderr]      |                                           ^^^ help: remove these parentheses
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]     --> src/lib.rs:1008:43
[INFO] [stderr]      |
[INFO] [stderr] 1008 |             assert_eq!(bitset_64.contains((63)), b);
[INFO] [stderr]      |                                           ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around method argument
[INFO] [stderr]     --> src/lib.rs:1012:44
[INFO] [stderr]      |
[INFO] [stderr] 1012 |             assert_eq!(bitset_100.contains((99)), b);
[INFO] [stderr]      |                                            ^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitarray_set-521a3dfec517263b
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::test_bit_array_clone ... ok
[INFO] [stdout] test tests::test_bit_array_remove ... ok
[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_from_usizes ... ok
[INFO] [stdout] test tests::test_bit_set_frombit_array_init ... ok
[INFO] [stdout] test tests::test_bit_set_show ... ok
[INFO] [stdout] test tests::test_bit_set_symmetric_difference_with ... ok
[INFO] [stdout] test tests::test_bit_set_iterator ... ok
[INFO] [stdout] test tests::test_bit_set_union_with ... ok
[INFO] [stdout] test tests::test_bit_set_is_disjoint ... ok
[INFO] [stdout] test tests::test_bit_set_intersection ... ok
[INFO] [stdout] test tests::test_bit_set_subset ... ok
[INFO] [stdout] test tests::test_bit_set_difference_with ... ok
[INFO] [stdout] test tests::test_bit_set_intersect_with ... ok
[INFO] [stdout] test tests::test_bit_set_eq ... ok
[INFO] [stdout] test tests::test_bit_array_masking ... ok
[INFO] [stderr]    Doc-tests bitarray-set
[INFO] [stdout] test tests::test_bit_set_union ... ok
[INFO] [stdout] test tests::test_bit_set_symmetric_difference ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::iter (line 336) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::new (line 216) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::difference (line 426) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::get_ref (line 291) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::union (line 361) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::difference_with (line 554) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::intersect_with (line 525) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::from_bit_array (line 235) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::into_bit_array (line 266) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::intersection (line 393) ... ok
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::union_with (line 497) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::symmetric_difference_with (line 591) ... ok
[INFO] [stdout] test src/lib.rs - BitArraySet<B, NBits>::symmetric_difference (line 466) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77d419d8b508ededc5d4a48fe8906287765492eecadfda879e608af9da3c80f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d419d8b508ededc5d4a48fe8906287765492eecadfda879e608af9da3c80f8", kill_on_drop: false }`
[INFO] [stdout] 77d419d8b508ededc5d4a48fe8906287765492eecadfda879e608af9da3c80f8