diff --git a/config/artifact/musl-wrapper.yml b/config/artifact/musl-wrapper.yml
new file mode 100644
index 00000000..9ae3ec49
--- /dev/null
+++ b/config/artifact/musl-wrapper.yml
@@ -0,0 +1,2 @@
+musl-wrapper:
+  source: 'https://musl.libc.org/releases/musl-1.2.5.tar.gz'
diff --git a/src/StaticPHP/Doctor/Item/LinuxMuslCheck.php b/src/StaticPHP/Doctor/Item/LinuxMuslCheck.php
index b64df85b..b01b7b7b 100644
--- a/src/StaticPHP/Doctor/Item/LinuxMuslCheck.php
+++ b/src/StaticPHP/Doctor/Item/LinuxMuslCheck.php
@@ -73,10 +73,14 @@ class LinuxMuslCheck
             $prefix = 'sudo ';
             logger()->warning('Current user is not root, using sudo for running command');
         }
-        shell()->cd(SOURCE_PATH . '/musl-wrapper')
+        $shell = shell()->cd(SOURCE_PATH . '/musl-wrapper')
             ->exec('CC=gcc CXX=g++ AR=ar LD=ld ./configure --disable-gcc-wrapper')
-            ->exec('CC=gcc CXX=g++ AR=ar LD=ld make -j')
-            ->exec("CC=gcc CXX=g++ AR=ar LD=ld {$prefix}make install");
+            ->exec('CC=gcc CXX=g++ AR=ar LD=ld make -j');
+        if ($prefix !== '') {
+            f_passthru('cd ' . SOURCE_PATH . "/musl-wrapper && CC=gcc CXX=g++ AR=ar LD=ld {$prefix}make install");
+        } else {
+            $shell->exec("CC=gcc CXX=g++ AR=ar LD=ld {$prefix}make install");
+        }
         return true;
     }
 
@@ -97,7 +101,7 @@ class LinuxMuslCheck
         $downloader->add('musl-toolchain')->download(false);
         $extractor->extract('musl-toolchain');
         $pkg_root = PKG_ROOT_PATH . '/musl-toolchain';
-        shell()->exec("{$prefix}cp -rf {$pkg_root}/* /usr/local/musl");
+        f_passthru("{$prefix}cp -rf {$pkg_root}/* /usr/local/musl");
         FileSystem::removeDir($pkg_root);
         return true;
     }
diff --git a/src/StaticPHP/Doctor/Item/LinuxToolCheck.php b/src/StaticPHP/Doctor/Item/LinuxToolCheck.php
index f4cdc311..b44bcb9d 100644
--- a/src/StaticPHP/Doctor/Item/LinuxToolCheck.php
+++ b/src/StaticPHP/Doctor/Item/LinuxToolCheck.php
@@ -71,7 +71,7 @@ class LinuxToolCheck
             }
         }
         if (!empty($missing)) {
-            return CheckResult::fail(implode(', ', $missing) . ' not installed on your system', 'install-linux-tools', [$distro, $missing]);
+            return CheckResult::fail(implode(', ', $missing) . ' not installed on your system', 'install-linux-tools', ['distro' => $distro, 'missing' => $missing]);
         }
         return CheckResult::ok();
     }
@@ -96,7 +96,7 @@ class LinuxToolCheck
         if (LinuxUtil::isMuslDist()) {
             // check linux-headers installation
             if (!file_exists('/usr/include/linux/mman.h')) {
-                return CheckResult::fail('linux-headers not installed on your system', 'install-linux-tools', [LinuxUtil::getOSRelease(), ['linux-headers']]);
+                return CheckResult::fail('linux-headers not installed on your system', 'install-linux-tools', ['distro' => LinuxUtil::getOSRelease(), 'missing' => ['linux-headers']]);
             }
         }
         return CheckResult::ok();
@@ -137,7 +137,7 @@ class LinuxToolCheck
         $to_install = $is_debian ? str_replace('xz', 'xz-utils', $missing) : $missing;
         // debian, alpine libtool -> libtoolize
         $to_install = str_replace('libtoolize', 'libtool', $to_install);
-        shell()->exec($prefix . $install_cmd . ' ' . implode(' ', $to_install));
+        f_passthru($prefix . $install_cmd . ' ' . implode(' ', $to_install));
 
         return true;
     }
diff --git a/src/StaticPHP/Doctor/Item/MacOSToolCheck.php b/src/StaticPHP/Doctor/Item/MacOSToolCheck.php
index d9c869ea..b69528ad 100644
--- a/src/StaticPHP/Doctor/Item/MacOSToolCheck.php
+++ b/src/StaticPHP/Doctor/Item/MacOSToolCheck.php
@@ -53,7 +53,7 @@ class MacOSToolCheck
             }
         }
         if (!empty($missing)) {
-            return CheckResult::fail('missing system commands: ' . implode(', ', $missing), 'build-tools', [$missing]);
+            return CheckResult::fail('missing system commands: ' . implode(', ', $missing), 'build-tools', ['missing' => $missing]);
         }
         return CheckResult::ok();
     }
@@ -63,7 +63,7 @@ class MacOSToolCheck
     {
         // if the bison command is /usr/bin/bison, it is the system bison that may be too old
         if (($bison = MacOSUtil::findCommand('bison', $command_path)) === null) {
-            return CheckResult::fail('bison is not installed or too old', 'build-tools', [['bison']]);
+            return CheckResult::fail('bison is not installed or too old', 'build-tools', ['missing' => ['bison']]);
         }
         // check version: bison (GNU Bison) x.y(.z)
         $version = shell()->execWithResult("{$bison} --version", false);