Fix clippy regression

See https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes

Was newly introduced

Also introducing a weekly cron to detect this type of regressions

.github/workflows/kuksa_databroker_build.yml

@@ -24,6 +24,9 @@ on:
       QUAY_IO_USERNAME:
         required: true
   workflow_dispatch:
+  # Run every Sunday night to check regressions, for example from clippy
+  schedule:
+    - cron: "0 4 * * 0"
 
 # suffix to avoid cancellation when running from release workflow
 concurrency:

databroker/src/broker.rs

@@ -1111,7 +1111,7 @@ pub enum EntryReadAccess<'a> {
     Err(&'a Metadata, ReadError),
 }
 
-impl<'a> EntryReadAccess<'a> {
+impl EntryReadAccess<'_> {
     pub fn datapoint(&self) -> Result<&Datapoint, ReadError> {
         match self {
             Self::Entry(entry) => Ok(&entry.datapoint),
@@ -1151,7 +1151,7 @@ pub struct EntryReadIterator<'a, 'b> {
     permissions: &'b Permissions,
 }
 
-impl<'a, 'b> Iterator for EntryReadIterator<'a, 'b> {
+impl<'a> Iterator for EntryReadIterator<'a, '_> {
     type Item = EntryReadAccess<'a>;
 
     #[inline]
@@ -1167,7 +1167,7 @@ impl<'a, 'b> Iterator for EntryReadIterator<'a, 'b> {
     }
 }
 
-impl<'a, 'b> DatabaseReadAccess<'a, 'b> {
+impl DatabaseReadAccess<'_, '_> {
     pub fn get_entry_by_id(&self, id: i32) -> Result<&Entry, ReadError> {
         match self.db.entries.get(&id) {
             Some(entry) => match self.permissions.can_read(&entry.metadata.path) {
@@ -1203,7 +1203,7 @@ impl<'a, 'b> DatabaseReadAccess<'a, 'b> {
     }
 }
 
-impl<'a, 'b> DatabaseWriteAccess<'a, 'b> {
+impl DatabaseWriteAccess<'_, '_> {
     pub fn update_by_path(
         &mut self,
         path: &str,
@@ -1397,7 +1397,7 @@ impl Database {
     }
 }
 
-impl<'a, 'b> query::CompilationInput for DatabaseReadAccess<'a, 'b> {
+impl query::CompilationInput for DatabaseReadAccess<'_, '_> {
     fn get_datapoint_type(&self, path: &str) -> Result<DataType, query::CompilationError> {
         match self.get_metadata_by_path(path) {
             Some(metadata) => Ok(metadata.data_type.to_owned()),