[INFO] crate www-authenticate 0.3.0 is already in cache
[INFO] extracting crate www-authenticate 0.3.0 into work/ex/clippy-test-run/sources/stable/reg/www-authenticate/0.3.0
[INFO] extracting crate www-authenticate 0.3.0 into work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/www-authenticate/0.3.0
[INFO] validating manifest of www-authenticate-0.3.0 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 www-authenticate-0.3.0 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 www-authenticate-0.3.0
[INFO] finished frobbing www-authenticate-0.3.0
[INFO] frobbed toml for www-authenticate-0.3.0 written to work/ex/clippy-test-run/sources/stable/reg/www-authenticate/0.3.0/Cargo.toml
[INFO] started frobbing www-authenticate-0.3.0
[INFO] finished frobbing www-authenticate-0.3.0
[INFO] frobbed toml for www-authenticate-0.3.0 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/reg/www-authenticate/0.3.0/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 www-authenticate-0.3.0 against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/reg/www-authenticate/0.3.0:/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] ff1d6aa999be6e9b5c54a708eff7e2114f54ff2d8c116a5928e6320934a38d42
[INFO] running `"docker" "start" "-a" "ff1d6aa999be6e9b5c54a708eff7e2114f54ff2d8c116a5928e6320934a38d42"`
[INFO] [stderr]     Checking hyperx v0.13.2
[INFO] [stderr]     Checking www-authenticate v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: redundant field names in struct initialization
[INFO] [stderr]    --> src/lib.rs:435:43
[INFO] [stderr]     |
[INFO] [stderr] 435 |                     Some(BasicChallenge { realm: realm })
[INFO] [stderr]     |                                           ^^^^^^^^^^^^ help: replace it with: `realm`
[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]    --> src/lib.rs:608:25
[INFO] [stderr]     |
[INFO] [stderr] 608 |                         realm: realm,
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: replace it with: `realm`
[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]    --> src/lib.rs:610:25
[INFO] [stderr]     |
[INFO] [stderr] 610 |                         nonce: nonce,
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: replace it with: `nonce`
[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]    --> src/lib.rs:611:25
[INFO] [stderr]     |
[INFO] [stderr] 611 |                         opaque: opaque,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: replace it with: `opaque`
[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]    --> src/lib.rs:612:25
[INFO] [stderr]     |
[INFO] [stderr] 612 |                         stale: stale,
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: replace it with: `stale`
[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]    --> src/lib.rs:613:25
[INFO] [stderr]     |
[INFO] [stderr] 613 |                         algorithm: algorithm,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `algorithm`
[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]    --> src/lib.rs:614:25
[INFO] [stderr]     |
[INFO] [stderr] 614 |                         qop: qop,
[INFO] [stderr]     |                         ^^^^^^^^ help: replace it with: `qop`
[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]    --> src/lib.rs:616:25
[INFO] [stderr]     |
[INFO] [stderr] 616 |                         userhash: userhash,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `userhash`
[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]    --> src/lib.rs:435:43
[INFO] [stderr]     |
[INFO] [stderr] 435 |                     Some(BasicChallenge { realm: realm })
[INFO] [stderr]     |                                           ^^^^^^^^^^^^ help: replace it with: `realm`
[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]    --> src/lib.rs:608:25
[INFO] [stderr]     |
[INFO] [stderr] 608 |                         realm: realm,
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: replace it with: `realm`
[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]    --> src/lib.rs:610:25
[INFO] [stderr]     |
[INFO] [stderr] 610 |                         nonce: nonce,
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: replace it with: `nonce`
[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]    --> src/lib.rs:611:25
[INFO] [stderr]     |
[INFO] [stderr] 611 |                         opaque: opaque,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^ help: replace it with: `opaque`
[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]    --> src/lib.rs:612:25
[INFO] [stderr]     |
[INFO] [stderr] 612 |                         stale: stale,
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: replace it with: `stale`
[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]    --> src/lib.rs:613:25
[INFO] [stderr]     |
[INFO] [stderr] 613 |                         algorithm: algorithm,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `algorithm`
[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]    --> src/lib.rs:614:25
[INFO] [stderr]     |
[INFO] [stderr] 614 |                         qop: qop,
[INFO] [stderr]     |                         ^^^^^^^^ help: replace it with: `qop`
[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]    --> src/lib.rs:616:25
[INFO] [stderr]     |
[INFO] [stderr] 616 |                         userhash: userhash,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: replace it with: `userhash`
[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: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:417:31
[INFO] [stderr]     |
[INFO] [stderr] 417 |                 Token68(_) => return None,
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/lib.rs:425:33
[INFO] [stderr]     |
[INFO] [stderr] 425 |                                 ()
[INFO] [stderr]     |                                 ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:536:31
[INFO] [stderr]     |
[INFO] [stderr] 536 |                 Token68(_) => return None,
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:570:25
[INFO] [stderr]     |
[INFO] [stderr] 570 |                         return Other(a);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Other(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/lib.rs:594:33
[INFO] [stderr]     |
[INFO] [stderr] 594 |                                 ()
[INFO] [stderr]     |                                 ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:901:24
[INFO] [stderr]     |
[INFO] [stderr] 901 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 902 | |                     if is_qdtext(self.cur()) {
[INFO] [stderr] 903 | |                         s.push(self.cur());
[INFO] [stderr] 904 | |                         self.inc(1);
[INFO] [stderr] ...   |
[INFO] [stderr] 907 | |                     }
[INFO] [stderr] 908 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 901 |                 } else if is_qdtext(self.cur()) {
[INFO] [stderr] 902 |     s.push(self.cur());
[INFO] [stderr] 903 |     self.inc(1);
[INFO] [stderr] 904 | } else {
[INFO] [stderr] 905 |     return Err(Error::Header);
[INFO] [stderr] 906 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:417:31
[INFO] [stderr]     |
[INFO] [stderr] 417 |                 Token68(_) => return None,
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/lib.rs:425:33
[INFO] [stderr]     |
[INFO] [stderr] 425 |                                 ()
[INFO] [stderr]     |                                 ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unused_unit)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:536:31
[INFO] [stderr]     |
[INFO] [stderr] 536 |                 Token68(_) => return None,
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: remove `return` as shown: `None`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/lib.rs:570:25
[INFO] [stderr]     |
[INFO] [stderr] 570 |                         return Other(a);
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Other(a)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded unit expression
[INFO] [stderr]    --> src/lib.rs:594:33
[INFO] [stderr]     |
[INFO] [stderr] 594 |                                 ()
[INFO] [stderr]     |                                 ^^ help: remove the final `()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unused_unit
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/lib.rs:901:24
[INFO] [stderr]     |
[INFO] [stderr] 901 |                   } else {
[INFO] [stderr]     |  ________________________^
[INFO] [stderr] 902 | |                     if is_qdtext(self.cur()) {
[INFO] [stderr] 903 | |                         s.push(self.cur());
[INFO] [stderr] 904 | |                         self.inc(1);
[INFO] [stderr] ...   |
[INFO] [stderr] 907 | |                     }
[INFO] [stderr] 908 | |                 }
[INFO] [stderr]     | |_________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 901 |                 } else if is_qdtext(self.cur()) {
[INFO] [stderr] 902 |     s.push(self.cur());
[INFO] [stderr] 903 |     self.inc(1);
[INFO] [stderr] 904 | } else {
[INFO] [stderr] 905 |     return Err(Error::Header);
[INFO] [stderr] 906 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/lib.rs:139:14
[INFO] [stderr]     |
[INFO] [stderr] 139 |             .or_insert(Vec::new())
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[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] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/lib.rs:147:14
[INFO] [stderr]     |
[INFO] [stderr] 147 |             .or_insert(Vec::new())
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/lib.rs:177:46
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let stream = parser::Stream::new(data.as_ref());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^ help: try this: `data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/lib.rs:191:22
[INFO] [stderr]     |
[INFO] [stderr] 191 |                     .or_insert(Vec::new())
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `raw::ChallengeFields`
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 | /         pub fn new() -> Self {
[INFO] [stderr] 297 | |             ChallengeFields(HashMap::new())
[INFO] [stderr] 298 | |         }
[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] 293 |     #[derive(Default)]
[INFO] [stderr] 294 |     pub struct ChallengeFields(HashMap<UniCase<CowStr>, (String, Quote)>);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:422:21
[INFO] [stderr]     |
[INFO] [stderr] 422 | /                     match map.remove("charset") {
[INFO] [stderr] 423 | |                         Some(c) => {
[INFO] [stderr] 424 | |                             if UniCase(&c) == UniCase("UTF-8") {
[INFO] [stderr] 425 | |                                 ()
[INFO] [stderr] ...   |
[INFO] [stderr] 430 | |                         None => (),
[INFO] [stderr] 431 | |                     }
[INFO] [stderr]     | |_____________________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 422 |                     if let Some(c) = map.remove("charset") {
[INFO] [stderr] 423 |     if UniCase(&c) == UniCase("UTF-8") {
[INFO] [stderr] 424 |         ()
[INFO] [stderr] 425 |     } else {
[INFO] [stderr] 426 |         return None;
[INFO] [stderr] 427 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:591:21
[INFO] [stderr]     |
[INFO] [stderr] 591 | /                     match charset {
[INFO] [stderr] 592 | |                         Some(c) => {
[INFO] [stderr] 593 | |                             if UniCase(&c) == UniCase("UTF-8") {
[INFO] [stderr] 594 | |                                 ()
[INFO] [stderr] ...   |
[INFO] [stderr] 599 | |                         None => (),
[INFO] [stderr] 600 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 591 |                     if let Some(c) = charset {
[INFO] [stderr] 592 |     if UniCase(&c) == UniCase("UTF-8") {
[INFO] [stderr] 593 |         ()
[INFO] [stderr] 594 |     } else {
[INFO] [stderr] 595 |         return None;
[INFO] [stderr] 596 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.realm`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:633:26
[INFO] [stderr]     |
[INFO] [stderr] 633 |             for realm in self.realm {
[INFO] [stderr]     |                          ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]     = help: consider replacing `for realm in self.realm` with `if let Some(realm) = self.realm`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.domain`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:637:27
[INFO] [stderr]     |
[INFO] [stderr] 637 |             for domain in self.domain {
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for domain in self.domain` with `if let Some(domain) = self.domain`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.nonce`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:644:26
[INFO] [stderr]     |
[INFO] [stderr] 644 |             for nonce in self.nonce {
[INFO] [stderr]     |                          ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for nonce in self.nonce` with `if let Some(nonce) = self.nonce`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.opaque`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:647:27
[INFO] [stderr]     |
[INFO] [stderr] 647 |             for opaque in self.opaque {
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for opaque in self.opaque` with `if let Some(opaque) = self.opaque`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.stale`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:650:26
[INFO] [stderr]     |
[INFO] [stderr] 650 |             for stale in self.stale {
[INFO] [stderr]     |                          ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for stale in self.stale` with `if let Some(stale) = self.stale`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.algorithm`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:653:30
[INFO] [stderr]     |
[INFO] [stderr] 653 |             for algorithm in self.algorithm {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for algorithm in self.algorithm` with `if let Some(algorithm) = self.algorithm`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.qop`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:656:24
[INFO] [stderr]     |
[INFO] [stderr] 656 |             for qop in self.qop {
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for qop in self.qop` with `if let Some(qop) = self.qop`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.userhash`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:663:29
[INFO] [stderr]     |
[INFO] [stderr] 663 |             for userhash in self.userhash {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for userhash in self.userhash` with `if let Some(userhash) = self.userhash`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/lib.rs:830:20
[INFO] [stderr]     |
[INFO] [stderr] 830 |                 if b.len() < 1 {
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `b.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `www-authenticate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/lib.rs:139:14
[INFO] [stderr]     |
[INFO] [stderr] 139 |             .or_insert(Vec::new())
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[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] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/lib.rs:147:14
[INFO] [stderr]     |
[INFO] [stderr] 147 |             .or_insert(Vec::new())
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: this call to `as_ref` does nothing
[INFO] [stderr]    --> src/lib.rs:177:46
[INFO] [stderr]     |
[INFO] [stderr] 177 |             let stream = parser::Stream::new(data.as_ref());
[INFO] [stderr]     |                                              ^^^^^^^^^^^^^ help: try this: `data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::useless_asref)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_asref
[INFO] [stderr] 
[INFO] [stderr] warning: use of `or_insert` followed by a function call
[INFO] [stderr]    --> src/lib.rs:191:22
[INFO] [stderr]     |
[INFO] [stderr] 191 |                     .or_insert(Vec::new())
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: try this: `or_insert_with(Vec::new)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `raw::ChallengeFields`
[INFO] [stderr]    --> src/lib.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 | /         pub fn new() -> Self {
[INFO] [stderr] 297 | |             ChallengeFields(HashMap::new())
[INFO] [stderr] 298 | |         }
[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] 293 |     #[derive(Default)]
[INFO] [stderr] 294 |     pub struct ChallengeFields(HashMap<UniCase<CowStr>, (String, Quote)>);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:422:21
[INFO] [stderr]     |
[INFO] [stderr] 422 | /                     match map.remove("charset") {
[INFO] [stderr] 423 | |                         Some(c) => {
[INFO] [stderr] 424 | |                             if UniCase(&c) == UniCase("UTF-8") {
[INFO] [stderr] 425 | |                                 ()
[INFO] [stderr] ...   |
[INFO] [stderr] 430 | |                         None => (),
[INFO] [stderr] 431 | |                     }
[INFO] [stderr]     | |_____________________^
[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] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 422 |                     if let Some(c) = map.remove("charset") {
[INFO] [stderr] 423 |     if UniCase(&c) == UniCase("UTF-8") {
[INFO] [stderr] 424 |         ()
[INFO] [stderr] 425 |     } else {
[INFO] [stderr] 426 |         return None;
[INFO] [stderr] 427 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/lib.rs:591:21
[INFO] [stderr]     |
[INFO] [stderr] 591 | /                     match charset {
[INFO] [stderr] 592 | |                         Some(c) => {
[INFO] [stderr] 593 | |                             if UniCase(&c) == UniCase("UTF-8") {
[INFO] [stderr] 594 | |                                 ()
[INFO] [stderr] ...   |
[INFO] [stderr] 599 | |                         None => (),
[INFO] [stderr] 600 | |                     }
[INFO] [stderr]     | |_____________________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 591 |                     if let Some(c) = charset {
[INFO] [stderr] 592 |     if UniCase(&c) == UniCase("UTF-8") {
[INFO] [stderr] 593 |         ()
[INFO] [stderr] 594 |     } else {
[INFO] [stderr] 595 |         return None;
[INFO] [stderr] 596 |     }
[INFO] [stderr]   ...
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.realm`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:633:26
[INFO] [stderr]     |
[INFO] [stderr] 633 |             for realm in self.realm {
[INFO] [stderr]     |                          ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::for_loop_over_option)] on by default
[INFO] [stderr]     = help: consider replacing `for realm in self.realm` with `if let Some(realm) = self.realm`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.domain`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:637:27
[INFO] [stderr]     |
[INFO] [stderr] 637 |             for domain in self.domain {
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for domain in self.domain` with `if let Some(domain) = self.domain`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.nonce`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:644:26
[INFO] [stderr]     |
[INFO] [stderr] 644 |             for nonce in self.nonce {
[INFO] [stderr]     |                          ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for nonce in self.nonce` with `if let Some(nonce) = self.nonce`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.opaque`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:647:27
[INFO] [stderr]     |
[INFO] [stderr] 647 |             for opaque in self.opaque {
[INFO] [stderr]     |                           ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for opaque in self.opaque` with `if let Some(opaque) = self.opaque`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.stale`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:650:26
[INFO] [stderr]     |
[INFO] [stderr] 650 |             for stale in self.stale {
[INFO] [stderr]     |                          ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for stale in self.stale` with `if let Some(stale) = self.stale`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.algorithm`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:653:30
[INFO] [stderr]     |
[INFO] [stderr] 653 |             for algorithm in self.algorithm {
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for algorithm in self.algorithm` with `if let Some(algorithm) = self.algorithm`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.qop`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:656:24
[INFO] [stderr]     |
[INFO] [stderr] 656 |             for qop in self.qop {
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for qop in self.qop` with `if let Some(qop) = self.qop`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] error: for loop over `self.userhash`, which is an `Option`. This is more readably written as an `if let` statement.
[INFO] [stderr]    --> src/lib.rs:663:29
[INFO] [stderr]     |
[INFO] [stderr] 663 |             for userhash in self.userhash {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider replacing `for userhash in self.userhash` with `if let Some(userhash) = self.userhash`
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#for_loop_over_option
[INFO] [stderr] 
[INFO] [stderr] warning: length comparison to one
[INFO] [stderr]    --> src/lib.rs:830:20
[INFO] [stderr]     |
[INFO] [stderr] 830 |                 if b.len() < 1 {
[INFO] [stderr]     |                    ^^^^^^^^^^^ help: using `is_empty` is clearer and more explicit: `b.is_empty()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::len_zero)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `www-authenticate`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "ff1d6aa999be6e9b5c54a708eff7e2114f54ff2d8c116a5928e6320934a38d42"`
[INFO] running `"docker" "rm" "-f" "ff1d6aa999be6e9b5c54a708eff7e2114f54ff2d8c116a5928e6320934a38d42"`
[INFO] [stdout] ff1d6aa999be6e9b5c54a708eff7e2114f54ff2d8c116a5928e6320934a38d42