Report memory-usage while coverage report generation

Author: staabm

src/Runner/CodeCoverage.php

@@ -41,6 +41,7 @@
 use SebastianBergmann\CodeCoverage\Test\TestStatus\TestStatus;
 use SebastianBergmann\Comparator\Comparator;
 use SebastianBergmann\Timer\NoActiveTimerException;
+use SebastianBergmann\Timer\ResourceUsageFormatter;
 use SebastianBergmann\Timer\Timer;
 
 /**
@@ -458,7 +459,7 @@ private function codeCoverageGenerationSucceeded(Printer $printer): void
         $printer->print(
             sprintf(
                 "done [%s]\n",
-                $this->timer()->stop()->asString(),
+                (new ResourceUsageFormatter)->resourceUsage($this->timer()->stop()),
             ),
         );
     }
@@ -471,7 +472,7 @@ private function codeCoverageGenerationFailed(Printer $printer, CodeCoverageExce
         $printer->print(
             sprintf(
                 "failed [%s]\n%s\n",
-                $this->timer()->stop()->asString(),
+                (new ResourceUsageFormatter)->resourceUsage($this->timer()->stop()),
                 $e->getMessage(),
             ),
         );