diff --git a/.github/actions/setup-build-env/action.yml b/.github/actions/setup-build-env/action.yml
index c0a913f..18830ab 100644
--- a/.github/actions/setup-build-env/action.yml
+++ b/.github/actions/setup-build-env/action.yml
@@ -26,7 +26,7 @@ runs:
     - name: Install packages (macOS)
       if: runner.os == 'macOS'
       shell: bash
-      run: brew tap slp/krun && brew install asciidoctor libkrun clang-format llvm
+      run: brew tap libkrun/krun && brew trust libkrun/krun && brew install asciidoctor libkrun clang-format llvm
 
     - name: Install packages (Linux)
       if: runner.os == 'Linux'
diff --git a/src/commands/changevm.rs b/src/commands/changevm.rs
index 5cd365b..c160dd5 100644
--- a/src/commands/changevm.rs
+++ b/src/commands/changevm.rs
@@ -60,7 +60,7 @@ impl ChangeVmCmd {
 
             let mut vmcfg = match cfg.vmconfig_map.remove(&self.name) {
                 None => {
-                    println!("No VM found with name {}", &self.name);
+                    println!("No VM found with name {}", self.name);
                     std::process::exit(-1);
                 }
                 Some(vmcfg) => vmcfg,
diff --git a/src/commands/list.rs b/src/commands/list.rs
index 791943c..bd7568a 100644
--- a/src/commands/list.rs
+++ b/src/commands/list.rs
@@ -17,7 +17,7 @@ impl ListCmd {
         if cfg.vmconfig_map.is_empty() {
             println!("No microVMs found");
         } else {
-            for (_name, vm) in cfg.vmconfig_map.iter() {
+            for vm in cfg.vmconfig_map.values() {
                 println!();
                 printvm(vm);
             }
diff --git a/src/commands/start.rs b/src/commands/start.rs
index 5c56c97..163b6e9 100644
--- a/src/commands/start.rs
+++ b/src/commands/start.rs
@@ -118,7 +118,7 @@ fn map_volumes(_ctx: u32, vmcfg: &VmConfig, rootfs: &str) {
 fn map_volumes(ctx: u32, vmcfg: &VmConfig, rootfs: &str) -> Vec<(String, String)> {
     let mut mounts = Vec::new();
     for (idx, (host_path, guest_path)) in vmcfg.mapped_volumes.iter().enumerate() {
-        let full_guest = format!("{}{}", &rootfs, guest_path);
+        let full_guest = format!("{}{}", rootfs, guest_path);
         let full_guest_path = Path::new(&full_guest);
         if !full_guest_path.exists() {
             std::fs::create_dir(full_guest_path)