Change working dir and operate on .

main.js

@@ -131,7 +131,15 @@ async function main() {
         ])
         core.endGroup()
 
-        core.startGroup("Show container ispect")
+        core.startGroup("Check sourceDirectory")
+        await exec.exec("docker", [
+            "exec",
+            container,
+            "ls", "-la", sourceDirectory
+        ])
+        core.endGroup()
+
+        core.startGroup("Show container inspect")
         await exec.exec("docker", [
             "inspect",
             container
@@ -194,14 +202,6 @@ async function main() {
         ])
         core.endGroup()
 
-        core.startGroup("Check sourceDirectory")
-        await exec.exec("docker", [
-            "exec",
-            container,
-            "ls", "-la", sourceDirectory
-        ])
-        core.endGroup()
-
         if (imageTag != "trusty") {
             core.startGroup("Install build dependencies")
             await exec.exec("docker", [