Fix MSRV issues.

- need at least 1.78 for Cargo.lock v4
- fix lifetime specs to avoid modern clippy issues that MSRV clippy has no lint for.
- reflect new MSRV in workflow.

Author: brotskydotcom

.github/workflows/ci.yaml

@@ -48,7 +48,7 @@ jobs:
       - name: Install rust MSRV
         uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          toolchain: 1.70
+          toolchain: 1.78
           components: clippy
 
       - name: Clippy check

Cargo.toml

@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 name = "dbus-secret-service"
 version = "4.1.0"
 edition = "2021"
-rust-version = "1.70"
+rust-version = "1.78"   # required for Cargo.lock v4
 exclude = [".github/"]
 
 [features]

src/lib.rs

@@ -233,8 +233,7 @@ impl SecretService {
     }
 
     /// Get all collections
-    #[allow(mismatched_lifetime_syntaxes)]
-    pub fn get_all_collections(&self) -> Result<Vec<Collection>, Error> {
+    pub fn get_all_collections(&'_ self) -> Result<Vec<Collection<'_>>, Error> {
         let paths = self.proxy().collections()?;
         let collections = paths
             .into_iter()
@@ -248,8 +247,7 @@ impl SecretService {
     /// The most common would be the `default` alias, but there
     /// is also a specific method for getting the collection
     /// by default alias.
-    #[allow(mismatched_lifetime_syntaxes)]
-    pub fn get_collection_by_alias(&self, alias: &str) -> Result<Collection, Error> {
+    pub fn get_collection_by_alias(&'_ self, alias: &str) -> Result<Collection<'_>, Error> {
         let path = self.proxy().read_alias(alias)?;
         if path == Path::new("/")? {
             Err(Error::NoResult)