Ignore clippy::result-unit-err lint as it would require API changes

url/src/lib.rs

@@ -1433,6 +1433,7 @@ impl Url {
     /// Return an object with methods to manipulate this URL’s path segments.
     ///
     /// Return `Err(())` if this URL is cannot-be-a-base.
+    #[allow(clippy::clippy::result_unit_err)]
     pub fn path_segments_mut(&mut self) -> Result<PathSegmentsMut<'_>, ()> {
         if self.cannot_be_a_base() {
             Err(())
@@ -1516,6 +1517,7 @@ impl Url {
     /// # }
     /// # run().unwrap();
     /// ```
+    #[allow(clippy::clippy::result_unit_err)]
     pub fn set_port(&mut self, mut port: Option<u16>) -> Result<(), ()> {
         // has_host implies !cannot_be_a_base
         if !self.has_host() || self.host() == Some(Host::Domain("")) || self.scheme() == "file" {
@@ -1786,6 +1788,7 @@ impl Url {
     /// # run().unwrap();
     /// ```
     ///
+    #[allow(clippy::clippy::result_unit_err)]
     pub fn set_ip_host(&mut self, address: IpAddr) -> Result<(), ()> {
         if self.cannot_be_a_base() {
             return Err(());
@@ -1825,6 +1828,7 @@ impl Url {
     /// # }
     /// # run().unwrap();
     /// ```
+    #[allow(clippy::clippy::result_unit_err)]
     pub fn set_password(&mut self, password: Option<&str>) -> Result<(), ()> {
         // has_host implies !cannot_be_a_base
         if !self.has_host() || self.host() == Some(Host::Domain("")) || self.scheme() == "file" {
@@ -1917,6 +1921,7 @@ impl Url {
     /// # }
     /// # run().unwrap();
     /// ```
+    #[allow(clippy::clippy::result_unit_err)]
     pub fn set_username(&mut self, username: &str) -> Result<(), ()> {
         // has_host implies !cannot_be_a_base
         if !self.has_host() || self.host() == Some(Host::Domain("")) || self.scheme() == "file" {
@@ -2078,6 +2083,7 @@ impl Url {
     /// # }
     /// # run().unwrap();
     /// ```
+    #[allow(clippy::clippy::result_unit_err)]
     pub fn set_scheme(&mut self, scheme: &str) -> Result<(), ()> {
         let mut parser = Parser::for_setter(String::new());
         let remaining = parser.parse_scheme(parser::Input::new(scheme))?;
@@ -2157,6 +2163,7 @@ impl Url {
     /// # }
     /// ```
     #[cfg(any(unix, windows, target_os = "redox"))]
+    #[allow(clippy::clippy::result_unit_err)]
     pub fn from_file_path<P: AsRef<Path>>(path: P) -> Result<Url, ()> {
         let mut serialization = "file://".to_owned();
         let host_start = serialization.len() as u32;
@@ -2193,6 +2200,7 @@ impl Url {
     /// Note that `std::path` does not consider trailing slashes significant
     /// and usually does not include them (e.g. in `Path::parent()`).
     #[cfg(any(unix, windows, target_os = "redox"))]
+    #[allow(clippy::clippy::result_unit_err)]
     pub fn from_directory_path<P: AsRef<Path>>(path: P) -> Result<Url, ()> {
         let mut url = Url::from_file_path(path)?;
         if !url.serialization.ends_with('/') {
@@ -2309,6 +2317,7 @@ impl Url {
     /// for a Windows path, is not UTF-8.)
     #[inline]
     #[cfg(any(unix, windows, target_os = "redox"))]
+    #[allow(clippy::clippy::result_unit_err)]
     pub fn to_file_path(&self) -> Result<PathBuf, ()> {
         if let Some(segments) = self.path_segments() {
             let host = match self.host() {

url/src/quirks.rs

@@ -56,6 +56,7 @@ pub fn protocol(url: &Url) -> &str {
 }
 
 /// Setter for https://url.spec.whatwg.org/#dom-url-protocol
+#[allow(clippy::clippy::result_unit_err)]
 pub fn set_protocol(url: &mut Url, mut new_protocol: &str) -> Result<(), ()> {
     // The scheme state in the spec ignores everything after the first `:`,
     // but `set_scheme` errors if there is more.
@@ -72,6 +73,7 @@ pub fn username(url: &Url) -> &str {
 }
 
 /// Setter for https://url.spec.whatwg.org/#dom-url-username
+#[allow(clippy::clippy::result_unit_err)]
 pub fn set_username(url: &mut Url, new_username: &str) -> Result<(), ()> {
     url.set_username(new_username)
 }
@@ -83,6 +85,7 @@ pub fn password(url: &Url) -> &str {
 }
 
 /// Setter for https://url.spec.whatwg.org/#dom-url-password
+#[allow(clippy::clippy::result_unit_err)]
 pub fn set_password(url: &mut Url, new_password: &str) -> Result<(), ()> {
     url.set_password(if new_password.is_empty() {
         None
@@ -98,6 +101,7 @@ pub fn host(url: &Url) -> &str {
 }
 
 /// Setter for https://url.spec.whatwg.org/#dom-url-host
+#[allow(clippy::clippy::result_unit_err)]
 pub fn set_host(url: &mut Url, new_host: &str) -> Result<(), ()> {
     // If context object’s url’s cannot-be-a-base-URL flag is set, then return.
     if url.cannot_be_a_base() {
@@ -154,6 +158,7 @@ pub fn hostname(url: &Url) -> &str {
 }
 
 /// Setter for https://url.spec.whatwg.org/#dom-url-hostname
+#[allow(clippy::clippy::result_unit_err)]
 pub fn set_hostname(url: &mut Url, new_hostname: &str) -> Result<(), ()> {
     if url.cannot_be_a_base() {
         return Err(());
@@ -195,6 +200,7 @@ pub fn port(url: &Url) -> &str {
 }
 
 /// Setter for https://url.spec.whatwg.org/#dom-url-port
+#[allow(clippy::clippy::result_unit_err)]
 pub fn set_port(url: &mut Url, new_port: &str) -> Result<(), ()> {
     let result;
     {