MSRV 1.57; update dependencies

.github/workflows/cli.yml

@@ -22,7 +22,7 @@ jobs:
           - macos-latest
           - windows-latest
         rust:
-          - 1.56.0 # MSRV
+          - 1.57.0 # MSRV
           - stable
     runs-on: ${{ matrix.platform }}
     steps:

.github/workflows/core.yml

@@ -26,7 +26,7 @@ jobs:
           - macos-latest
           - windows-latest
         rust:
-          - 1.56.0 # MSRV
+          - 1.57.0 # MSRV
           - stable
     runs-on: ${{ matrix.platform }}
     steps:
@@ -47,7 +47,7 @@ jobs:
           - macos-latest
           - windows-latest
         rust:
-          - 1.56.0 # MSRV
+          - 1.57.0 # MSRV
           - stable
     runs-on: ${{ matrix.platform }}
     steps:

.github/workflows/derive.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.56.0 # MSRV
+          - 1.57.0 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v2

.github/workflows/tokio.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         rust:
-          - 1.56.0 # MSRV
+          - 1.57 # MSRV
           - stable
     steps:
       - uses: actions/checkout@v2

.github/workflows/workspace.yml

@@ -16,7 +16,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions-rs/toolchain@v1
       with:
-        toolchain: 1.56.0 # MSRV
+        toolchain: 1.57.0 # MSRV
         components: clippy
         override: true
         profile: minimal

cli/src/commands/gen/cmd.rs

@@ -43,7 +43,7 @@ impl Runnable for Cmd {
 impl Cmd {
     /// Generate a new subcommand in this application
     pub fn generate(&self, app_root: &Path, name: &str) {
-        let snake_case_name = name.replace("-", "_");
+        let snake_case_name = name.replace('-', "_");
         let output_dir = app_root.join("src").join("commands");
 
         if !output_dir.exists() {

cli/src/commands/new.rs

@@ -40,10 +40,12 @@ impl Runnable for NewCommand {
     /// Run the Abscissa application generator
     fn run(&self) {
         let started_at = Instant::now();
+        #[allow(clippy::redundant_closure)]
         let app_properties = self.parse_options().unwrap_or_else(|e| fatal_error(e));
         let app_template = Collection::default();
         let branch_name = "main";
 
+        #[allow(clippy::redundant_closure)]
         self.create_parent_directory()
             .unwrap_or_else(|e| fatal_error(e));
 
@@ -52,15 +54,18 @@ impl Runnable for NewCommand {
         template_files.sort_by(|a, b| a.name().cmp(b.name()));
 
         for template_file in &template_files {
+            #[allow(clippy::redundant_closure)]
             self.render_template_file(&app_template, template_file, &app_properties)
                 .unwrap_or_else(|e| fatal_error(e));
         }
 
         // TODO(tarcieri): make this optional?
+        #[allow(clippy::redundant_closure)]
         self.run_git_init(branch_name)
             .unwrap_or_else(|e| fatal_error(e));
 
         // TODO(tarcieri): make this optional?
+        #[allow(clippy::redundant_closure)]
         self.generate_lockfile().unwrap_or_else(|e| fatal_error(e));
 
         let duration = started_at.elapsed();
@@ -265,7 +270,7 @@ impl NewCommand {
             .file_name()
             .expect("no filename?")
             .to_string_lossy()
-            .replace("-", "_");
+            .replace('-', "_");
 
         let name: properties::name::App = app_name.parse().expect("no app name");