[INFO] crate selectors 0.20.0 is already in cache
[INFO] extracting crate selectors 0.20.0 into work/ex/clippy-test-run/sources/stable/reg/selectors/0.20.0
[INFO] extracting crate selectors 0.20.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/selectors/0.20.0
[INFO] validating manifest of selectors-0.20.0 on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of selectors-0.20.0 on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing selectors-0.20.0
[INFO] finished frobbing selectors-0.20.0
[INFO] frobbed toml for selectors-0.20.0 written to work/ex/clippy-test-run/sources/stable/reg/selectors/0.20.0/Cargo.toml
[INFO] started frobbing selectors-0.20.0
[INFO] finished frobbing selectors-0.20.0
[INFO] frobbed toml for selectors-0.20.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/selectors/0.20.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting selectors-0.20.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-6/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/selectors/0.20.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c1c9c0299e1bb0bfcbf1775f4fee8b23eac4cf692cc00b47a905f01ed7a7de35
[INFO] running `"docker" "start" "-a" "c1c9c0299e1bb0bfcbf1775f4fee8b23eac4cf692cc00b47a905f01ed7a7de35"`
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling selectors v0.20.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling cssparser-macros v0.3.5
[INFO] [stderr]     Checking cssparser v0.24.1
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> matching.rs:715:21
[INFO] [stderr]     |
[INFO] [stderr] 715 |                     operator: operator,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `operator`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> matching.rs:744:25
[INFO] [stderr]     |
[INFO] [stderr] 744 |                         operator: operator,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `operator`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> matching.rs:746:25
[INFO] [stderr]     |
[INFO] [stderr] 746 |                         expected_value: expected_value,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `expected_value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> parser.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             iter: iter,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1645:25
[INFO] [stderr]      |
[INFO] [stderr] 1645 |                         local_name: local_name,
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1646:25
[INFO] [stderr]      |
[INFO] [stderr] 1646 |                         local_name_lower: local_name_lower,
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name_lower`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1653:21
[INFO] [stderr]      |
[INFO] [stderr] 1653 |                     local_name: local_name,
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1654:21
[INFO] [stderr]      |
[INFO] [stderr] 1654 |                     local_name_lower: local_name_lower,
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name_lower`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1726:21
[INFO] [stderr]      |
[INFO] [stderr] 1726 |                     operator: operator,
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `operator`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1727:21
[INFO] [stderr]      |
[INFO] [stderr] 1727 |                     case_sensitivity: case_sensitivity,
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `case_sensitivity`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1734:13
[INFO] [stderr]      |
[INFO] [stderr] 1734 |             local_name: local_name,
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1735:13
[INFO] [stderr]      |
[INFO] [stderr] 1735 |             operator: operator,
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `operator`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1736:13
[INFO] [stderr]      |
[INFO] [stderr] 1736 |             value: value,
[INFO] [stderr]      |             ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1737:13
[INFO] [stderr]      |
[INFO] [stderr] 1737 |             case_sensitivity: case_sensitivity,
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `case_sensitivity`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1738:13
[INFO] [stderr]      |
[INFO] [stderr] 1738 |             never_matches: never_matches,
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `never_matches`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> matching.rs:715:21
[INFO] [stderr]     |
[INFO] [stderr] 715 |                     operator: operator,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `operator`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::redundant_field_names)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> matching.rs:744:25
[INFO] [stderr]     |
[INFO] [stderr] 744 |                         operator: operator,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `operator`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> matching.rs:746:25
[INFO] [stderr]     |
[INFO] [stderr] 746 |                         expected_value: expected_value,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `expected_value`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> parser.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |             iter: iter,
[INFO] [stderr]     |             ^^^^^^^^^^ help: replace it with: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1645:25
[INFO] [stderr]      |
[INFO] [stderr] 1645 |                         local_name: local_name,
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1646:25
[INFO] [stderr]      |
[INFO] [stderr] 1646 |                         local_name_lower: local_name_lower,
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name_lower`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1653:21
[INFO] [stderr]      |
[INFO] [stderr] 1653 |                     local_name: local_name,
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1654:21
[INFO] [stderr]      |
[INFO] [stderr] 1654 |                     local_name_lower: local_name_lower,
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name_lower`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1726:21
[INFO] [stderr]      |
[INFO] [stderr] 1726 |                     operator: operator,
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^ help: replace it with: `operator`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1727:21
[INFO] [stderr]      |
[INFO] [stderr] 1727 |                     case_sensitivity: case_sensitivity,
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `case_sensitivity`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1734:13
[INFO] [stderr]      |
[INFO] [stderr] 1734 |             local_name: local_name,
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `local_name`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1735:13
[INFO] [stderr]      |
[INFO] [stderr] 1735 |             operator: operator,
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^ help: replace it with: `operator`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1736:13
[INFO] [stderr]      |
[INFO] [stderr] 1736 |             value: value,
[INFO] [stderr]      |             ^^^^^^^^^^^^ help: replace it with: `value`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1737:13
[INFO] [stderr]      |
[INFO] [stderr] 1737 |             case_sensitivity: case_sensitivity,
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `case_sensitivity`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]     --> parser.rs:1738:13
[INFO] [stderr]      |
[INFO] [stderr] 1738 |             never_matches: never_matches,
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `never_matches`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> bloom.rs:12:34
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const BLOOM_HASH_MASK: u32 = 0x00ffffff;
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: consider: `0x00ff_ffff`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> bloom.rs:12:34
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const BLOOM_HASH_MASK: u32 = 0x00ffffff;
[INFO] [stderr]    |                                  ^^^^^^^^^^ help: consider: `0x00ff_ffff`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:336:36
[INFO] [stderr]     |
[INFO] [stderr] 336 |             hashes[0] |= (fourth & 0x000000ff) << 24;
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: consider: `0x0000_00ff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:337:36
[INFO] [stderr]     |
[INFO] [stderr] 337 |             hashes[1] |= (fourth & 0x0000ff00) << 16;
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:338:36
[INFO] [stderr]     |
[INFO] [stderr] 338 |             hashes[2] |= (fourth & 0x00ff0000) << 8;
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:348:35
[INFO] [stderr]     |
[INFO] [stderr] 348 |         ((self.packed_hashes[0] & 0xff000000) >> 24) |
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: consider: `0xff00_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:349:39
[INFO] [stderr]     |
[INFO] [stderr] 349 |             ((self.packed_hashes[1] & 0xff000000) >> 16) |
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: consider: `0xff00_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:350:39
[INFO] [stderr]     |
[INFO] [stderr] 350 |             ((self.packed_hashes[2] & 0xff000000) >> 8)
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: consider: `0xff00_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: All variants have the same postfix: `Namespace`
[INFO] [stderr]     --> parser.rs:1484:1
[INFO] [stderr]      |
[INFO] [stderr] 1484 | / enum QNamePrefix<Impl: SelectorImpl> {
[INFO] [stderr] 1485 | |     ImplicitNoNamespace,                          // `foo` in attr selectors
[INFO] [stderr] 1486 | |     ImplicitAnyNamespace,                         // `foo` in type selectors, without a default ns
[INFO] [stderr] 1487 | |     ImplicitDefaultNamespace(Impl::NamespaceUrl), // `foo` in type selectors, with a default ns
[INFO] [stderr] ...    |
[INFO] [stderr] 1490 | |     ExplicitNamespace(Impl::NamespacePrefix, Impl::NamespaceUrl), // `prefix|foo`
[INFO] [stderr] 1491 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]      = help: remove the postfixes and use full paths to the variants instead of glob imports
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> /opt/crater/target/debug/build/selectors-ac3d2f4e0e40dba6/out/ascii_case_insensitive_html_attributes.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 |     key: 17577996893838306539,
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^ help: consider: `17_577_996_893_838_306_539`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:336:36
[INFO] [stderr]     |
[INFO] [stderr] 336 |             hashes[0] |= (fourth & 0x000000ff) << 24;
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: consider: `0x0000_00ff`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:337:36
[INFO] [stderr]     |
[INFO] [stderr] 337 |             hashes[1] |= (fourth & 0x0000ff00) << 16;
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: consider: `0x0000_ff00`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:338:36
[INFO] [stderr]     |
[INFO] [stderr] 338 |             hashes[2] |= (fourth & 0x00ff0000) << 8;
[INFO] [stderr]     |                                    ^^^^^^^^^^ help: consider: `0x00ff_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:348:35
[INFO] [stderr]     |
[INFO] [stderr] 348 |         ((self.packed_hashes[0] & 0xff000000) >> 24) |
[INFO] [stderr]     |                                   ^^^^^^^^^^ help: consider: `0xff00_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:349:39
[INFO] [stderr]     |
[INFO] [stderr] 349 |             ((self.packed_hashes[1] & 0xff000000) >> 16) |
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: consider: `0xff00_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> parser.rs:350:39
[INFO] [stderr]     |
[INFO] [stderr] 350 |             ((self.packed_hashes[2] & 0xff000000) >> 8)
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: consider: `0xff00_0000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]     --> parser.rs:2356:20
[INFO] [stderr]      |
[INFO] [stderr] 2356 |     const MATHML: &'static str = "http://www.w3.org/1998/Math/MathML";
[INFO] [stderr]      |                   -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::const_static_lifetime)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: Constants have by default a `'static` lifetime
[INFO] [stderr]     --> parser.rs:2357:17
[INFO] [stderr]      |
[INFO] [stderr] 2357 |     const SVG: &'static str = "http://www.w3.org/2000/svg";
[INFO] [stderr]      |                -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#const_static_lifetime
[INFO] [stderr] 
[INFO] [stderr] warning: All variants have the same postfix: `Namespace`
[INFO] [stderr]     --> parser.rs:1484:1
[INFO] [stderr]      |
[INFO] [stderr] 1484 | / enum QNamePrefix<Impl: SelectorImpl> {
[INFO] [stderr] 1485 | |     ImplicitNoNamespace,                          // `foo` in attr selectors
[INFO] [stderr] 1486 | |     ImplicitAnyNamespace,                         // `foo` in type selectors, without a default ns
[INFO] [stderr] 1487 | |     ImplicitDefaultNamespace(Impl::NamespaceUrl), // `foo` in type selectors, with a default ns
[INFO] [stderr] ...    |
[INFO] [stderr] 1490 | |     ExplicitNamespace(Impl::NamespacePrefix, Impl::NamespaceUrl), // `prefix|foo`
[INFO] [stderr] 1491 | | }
[INFO] [stderr]      | |_^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::enum_variant_names)] on by default
[INFO] [stderr]      = help: remove the postfixes and use full paths to the variants instead of glob imports
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#enum_variant_names
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]  --> /opt/crater/target/debug/build/selectors-ac3d2f4e0e40dba6/out/ascii_case_insensitive_html_attributes.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 |     key: 17577996893838306539,
[INFO] [stderr]   |          ^^^^^^^^^^^^^^^^^^^^ help: consider: `17_577_996_893_838_306_539`
[INFO] [stderr]   |
[INFO] [stderr]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `bloom::CountingBloomFilter<S>`
[INFO] [stderr]   --> bloom.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 | /     pub fn new() -> Self {
[INFO] [stderr] 87 | |         CountingBloomFilter {
[INFO] [stderr] 88 | |             storage: Default::default(),
[INFO] [stderr] 89 | |         }
[INFO] [stderr] 90 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 73 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> builder.rs:207:24
[INFO] [stderr]     |
[INFO] [stderr] 207 |     pub fn specificity(&self) -> u32 {
[INFO] [stderr]     |                        ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> builder.rs:212:31
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub fn has_pseudo_element(&self) -> bool {
[INFO] [stderr]     |                               ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> builder.rs:217:23
[INFO] [stderr]     |
[INFO] [stderr] 217 |     pub fn is_slotted(&self) -> bool {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> context.rs:53:28
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn matches_visited(&self) -> bool {
[INFO] [stderr]    |                            ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> context.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn matches_unvisited(&self) -> bool {
[INFO] [stderr]    |                              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `1`
[INFO] [stderr]   --> matching.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |         const HAS_SLOW_SELECTOR = 1 << 0;
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]    --> matching.rs:277:89
[INFO] [stderr]     |
[INFO] [stderr] 277 |         if !matches_simple_selector(component, element, &mut local_context, &mut |_, _| {}) {
[INFO] [stderr]     |                                                                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::block_in_if_condition_stmt)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> matching.rs:421:13
[INFO] [stderr]     |
[INFO] [stderr] 421 | /             match element.parent_element() {
[INFO] [stderr] 422 | |                 Some(e) => return Some(e),
[INFO] [stderr] 423 | |                 None => {},
[INFO] [stderr] 424 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Some(e) = element.parent_element() { return Some(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> matching.rs:873:9
[INFO] [stderr]     |
[INFO] [stderr] 873 |         cache.as_mut().map(|c| c.insert(element.opaque(), i));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(c) = cache.as_mut() { c.insert(element.opaque(), i) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> nth_index_cache.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         self.0.get(&el).map(|x| *x)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.0.get(&el).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `hashes`.
[INFO] [stderr]    --> parser.rs:325:18
[INFO] [stderr]     |
[INFO] [stderr] 325 |         for i in 0..4 {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 325 |         for <item> in &mut hashes {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: item `parser::Selector<Impl>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> parser.rs:499:1
[INFO] [stderr]     |
[INFO] [stderr] 499 | / impl<Impl: SelectorImpl> Selector<Impl> {
[INFO] [stderr] 500 | |     #[inline]
[INFO] [stderr] 501 | |     pub fn specificity(&self) -> u32 {
[INFO] [stderr] 502 | |         self.0.header.header.specificity()
[INFO] [stderr] ...   |
[INFO] [stderr] 655 | |     }
[INFO] [stderr] 656 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> parser.rs:675:48
[INFO] [stderr]     |
[INFO] [stderr] 675 |     pub(crate) fn is_featureless_host_selector(&mut self) -> bool {
[INFO] [stderr]     |                                                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]    --> parser.rs:735:56
[INFO] [stderr]     |
[INFO] [stderr] 735 |               if self.0.next_sequence().map_or(true, |x| {
[INFO] [stderr]     |  ________________________________________________________^
[INFO] [stderr] 736 | |                 matches!(x, Combinator::Child | Combinator::Descendant)
[INFO] [stderr] 737 | |             }) {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> parser.rs:785:24
[INFO] [stderr]     |
[INFO] [stderr] 785 |     pub fn is_ancestor(&self) -> bool {
[INFO] [stderr]     |                        ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> parser.rs:795:30
[INFO] [stderr]     |
[INFO] [stderr] 795 |     pub fn is_pseudo_element(&self) -> bool {
[INFO] [stderr]     |                              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> parser.rs:801:23
[INFO] [stderr]     |
[INFO] [stderr] 801 |     pub fn is_sibling(&self) -> bool {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `bloom::CountingBloomFilter<S>`
[INFO] [stderr]   --> bloom.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 | /     pub fn new() -> Self {
[INFO] [stderr] 87 | |         CountingBloomFilter {
[INFO] [stderr] 88 | |             storage: Default::default(),
[INFO] [stderr] 89 | |         }
[INFO] [stderr] 90 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 73 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: transmute from a type (`[u8; 0]`) to itself
[INFO] [stderr]    --> bloom.rs:310:9
[INFO] [stderr]     |
[INFO] [stderr] 310 |         transmute::<[u8; ARRAY_SIZE % 8], [u8; 0]>([]);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_transmute)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_transmute
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> builder.rs:207:24
[INFO] [stderr]     |
[INFO] [stderr] 207 |     pub fn specificity(&self) -> u32 {
[INFO] [stderr]     |                        ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::trivially_copy_pass_by_ref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> builder.rs:212:31
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub fn has_pseudo_element(&self) -> bool {
[INFO] [stderr]     |                               ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> builder.rs:217:23
[INFO] [stderr]     |
[INFO] [stderr] 217 |     pub fn is_slotted(&self) -> bool {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> context.rs:53:28
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn matches_visited(&self) -> bool {
[INFO] [stderr]    |                            ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]   --> context.rs:62:30
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn matches_unvisited(&self) -> bool {
[INFO] [stderr]    |                              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `1`
[INFO] [stderr]   --> matching.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |         const HAS_SLOW_SELECTOR = 1 << 0;
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]     --> parser.rs:1546:38
[INFO] [stderr]      |
[INFO] [stderr] 1546 |                       let url = result.ok_or(
[INFO] [stderr]      |  ______________________________________^
[INFO] [stderr] 1547 | |                         after_ident
[INFO] [stderr] 1548 | |                             .source_location()
[INFO] [stderr] 1549 | |                             .new_custom_error(SelectorParseErrorKind::ExpectedNamespace(value)),
[INFO] [stderr] 1550 | |                     )?;
[INFO] [stderr]      | |_____________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] help: try this
[INFO] [stderr]      |
[INFO] [stderr] 1546 |                     let url = result.ok_or_else(|| after_ident
[INFO] [stderr] 1547 |                             .source_location()
[INFO] [stderr] 1548 |                             .new_custom_error(SelectorParseErrorKind::ExpectedNamespace(value)))?;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]    --> matching.rs:277:89
[INFO] [stderr]     |
[INFO] [stderr] 277 |         if !matches_simple_selector(component, element, &mut local_context, &mut |_, _| {}) {
[INFO] [stderr]     |                                                                                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::block_in_if_condition_stmt)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> matching.rs:421:13
[INFO] [stderr]     |
[INFO] [stderr] 421 | /             match element.parent_element() {
[INFO] [stderr] 422 | |                 Some(e) => return Some(e),
[INFO] [stderr] 423 | |                 None => {},
[INFO] [stderr] 424 | |             }
[INFO] [stderr]     | |_____________^ help: try this: `if let Some(e) = element.parent_element() { return Some(e) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: called `map(f)` on an Option value where `f` is a unit closure
[INFO] [stderr]    --> matching.rs:873:9
[INFO] [stderr]     |
[INFO] [stderr] 873 |         cache.as_mut().map(|c| c.insert(element.opaque(), i));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: try this: `if let Some(c) = cache.as_mut() { c.insert(element.opaque(), i) }`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::option_map_unit_fn)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#option_map_unit_fn
[INFO] [stderr] 
[INFO] [stderr] warning: You are using an explicit closure for cloning elements
[INFO] [stderr]   --> nth_index_cache.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 40 |         self.0.get(&el).map(|x| *x)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `self.0.get(&el).cloned()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::map_clone)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_clone
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `hashes`.
[INFO] [stderr]    --> parser.rs:325:18
[INFO] [stderr]     |
[INFO] [stderr] 325 |         for i in 0..4 {
[INFO] [stderr]     |                  ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 325 |         for <item> in &mut hashes {
[INFO] [stderr]     |             ^^^^^^    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: item `parser::Selector<Impl>` has a public `len` method but no corresponding `is_empty` method
[INFO] [stderr]    --> parser.rs:499:1
[INFO] [stderr]     |
[INFO] [stderr] 499 | / impl<Impl: SelectorImpl> Selector<Impl> {
[INFO] [stderr] 500 | |     #[inline]
[INFO] [stderr] 501 | |     pub fn specificity(&self) -> u32 {
[INFO] [stderr] 502 | |         self.0.header.header.specificity()
[INFO] [stderr] ...   |
[INFO] [stderr] 655 | |     }
[INFO] [stderr] 656 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_without_is_empty)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_without_is_empty
[INFO] [stderr] 
[INFO] [stderr] warning: methods called `is_*` usually take self by reference or no self; consider choosing a less ambiguous name
[INFO] [stderr]    --> parser.rs:675:48
[INFO] [stderr]     |
[INFO] [stderr] 675 |     pub(crate) fn is_featureless_host_selector(&mut self) -> bool {
[INFO] [stderr]     |                                                ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::wrong_self_convention)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#wrong_self_convention
[INFO] [stderr] 
[INFO] [stderr] warning: in an 'if' condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a 'let'
[INFO] [stderr]    --> parser.rs:735:56
[INFO] [stderr]     |
[INFO] [stderr] 735 |               if self.0.next_sequence().map_or(true, |x| {
[INFO] [stderr]     |  ________________________________________________________^
[INFO] [stderr] 736 | |                 matches!(x, Combinator::Child | Combinator::Descendant)
[INFO] [stderr] 737 | |             }) {
[INFO] [stderr]     | |_____________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#block_in_if_condition_stmt
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> parser.rs:785:24
[INFO] [stderr]     |
[INFO] [stderr] 785 |     pub fn is_ancestor(&self) -> bool {
[INFO] [stderr]     |                        ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> parser.rs:795:30
[INFO] [stderr]     |
[INFO] [stderr] 795 |     pub fn is_pseudo_element(&self) -> bool {
[INFO] [stderr]     |                              ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: this argument is passed by reference, but would be more efficient if passed by value
[INFO] [stderr]    --> parser.rs:801:23
[INFO] [stderr]     |
[INFO] [stderr] 801 |     pub fn is_sibling(&self) -> bool {
[INFO] [stderr]     |                       ^^^^^ help: consider passing by value instead: `self`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#trivially_copy_pass_by_ref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `ok_or` followed by a function call
[INFO] [stderr]     --> parser.rs:1546:38
[INFO] [stderr]      |
[INFO] [stderr] 1546 |                       let url = result.ok_or(
[INFO] [stderr]      |  ______________________________________^
[INFO] [stderr] 1547 | |                         after_ident
[INFO] [stderr] 1548 | |                             .source_location()
[INFO] [stderr] 1549 | |                             .new_custom_error(SelectorParseErrorKind::ExpectedNamespace(value)),
[INFO] [stderr] 1550 | |                     )?;
[INFO] [stderr]      | |_____________________^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::or_fun_call)] on by default
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] help: try this
[INFO] [stderr]      |
[INFO] [stderr] 1546 |                     let url = result.ok_or_else(|| after_ident
[INFO] [stderr] 1547 |                             .source_location()
[INFO] [stderr] 1548 |                             .new_custom_error(SelectorParseErrorKind::ExpectedNamespace(value)))?;
[INFO] [stderr]      |
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 59
[INFO] [stderr]     --> parser.rs:2360:5
[INFO] [stderr]      |
[INFO] [stderr] 2360 | /     fn test_parsing() {
[INFO] [stderr] 2361 | |         assert!(parse("").is_err());
[INFO] [stderr] 2362 | |         assert!(parse(":lang(4)").is_err());
[INFO] [stderr] 2363 | |         assert!(parse(":lang(en US)").is_err());
[INFO] [stderr] ...    |
[INFO] [stderr] 2884 | |         assert!(parse("slot::slotted(div,foo)").is_err());
[INFO] [stderr] 2885 | |     }
[INFO] [stderr]      | |_____^
[INFO] [stderr]      |
[INFO] [stderr]      = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]      = help: you could split it up into multiple smaller functions
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `(1 << 20) + (1 << 10)`
[INFO] [stderr]     --> parser.rs:2771:21
[INFO] [stderr]      |
[INFO] [stderr] 2771 |                     (1 << 20) + (1 << 10) + (0 << 0),
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `0`
[INFO] [stderr]     --> parser.rs:2771:45
[INFO] [stderr]      |
[INFO] [stderr] 2771 |                     (1 << 20) + (1 << 10) + (0 << 0),
[INFO] [stderr]      |                                             ^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.40s
[INFO] running `"docker" "inspect" "c1c9c0299e1bb0bfcbf1775f4fee8b23eac4cf692cc00b47a905f01ed7a7de35"`
[INFO] running `"docker" "rm" "-f" "c1c9c0299e1bb0bfcbf1775f4fee8b23eac4cf692cc00b47a905f01ed7a7de35"`
[INFO] [stdout] c1c9c0299e1bb0bfcbf1775f4fee8b23eac4cf692cc00b47a905f01ed7a7de35