diff --git a/.drone.yml b/.drone.yml
index 20ee7f752759..f1ccdace55a9 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -49,6 +49,7 @@ steps:
   depends_on: [ clone ]
   commands:
   - cp -R . /tmp/3/ && cd /tmp/3/
+  - git submodule sync
   - git submodule update --init --recursive --jobs 7
   - ./project/scripts/sbt community-build/test
 
diff --git a/compiler/test/dotty/tools/dotc/BootstrappedOnlyCompilationTests.scala b/compiler/test/dotty/tools/dotc/BootstrappedOnlyCompilationTests.scala
index 6f61401559cc..61da70fef499 100644
--- a/compiler/test/dotty/tools/dotc/BootstrappedOnlyCompilationTests.scala
+++ b/compiler/test/dotty/tools/dotc/BootstrappedOnlyCompilationTests.scala
@@ -21,7 +21,7 @@ class BootstrappedOnlyCompilationTests extends ParallelTesting {
 
   // Test suite configuration --------------------------------------------------
 
-  def maxDuration = 30.seconds
+  def maxDuration = 60.seconds
   def numberOfSlaves = 5
   def safeMode = Properties.testsSafeMode
   def isInteractive = SummaryReport.isInteractive
diff --git a/sbt-dotty/sbt-test/sbt-dotty/analyzer-plugin/plugin/Analyzer.scala b/sbt-dotty/sbt-test/sbt-dotty/analyzer-plugin/plugin/Analyzer.scala
index 9fb8efa557ab..65d25055c9df 100644
--- a/sbt-dotty/sbt-test/sbt-dotty/analyzer-plugin/plugin/Analyzer.scala
+++ b/sbt-dotty/sbt-test/sbt-dotty/analyzer-plugin/plugin/Analyzer.scala
@@ -61,7 +61,7 @@ class InitChecker extends PluginPhase {
         ctx.warning("tree: " + tree.symbol.defTree.show)
       }
       else {
-        ctx.warning(tree.symbol + " is neither in lib nor hello, owner = " + enclosingPkg, tree.sourcePos)
+        ctx.warning(s"${tree.symbol} is neither in lib nor hello, owner = $enclosingPkg", tree.sourcePos)
       }
       tree
     }
@@ -83,4 +83,4 @@ class InitChecker extends PluginPhase {
     }
     tree
   }
-}
\ No newline at end of file
+}