<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>315249</bug_id>
          
          <creation_ts>2026-05-20 17:43:35 -0700</creation_ts>
          <short_desc>REGRESSION(313554@main): webkitpy.scripts.measure_build_time_unittest.MeasureBuildTimeTest.test_clean_and_null_build</short_desc>
          <delta_ts>2026-05-21 12:47:31 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Tools / Tests</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>DUPLICATE</resolution>
          <dup_id>315261</dup_id>
          <see_also>https://bugs.webkit.org/show_bug.cgi?id=315127</see_also>
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Sam Sneddon [:gsnedders]">gsnedders</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>emw</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2212761</commentid>
    <comment_count>0</comment_count>
    <who name="Sam Sneddon [:gsnedders]">gsnedders</who>
    <bug_when>2026-05-20 17:43:35 -0700</bug_when>
    <thetext>```
&apos;./Tools/Scripts/test-webkitpy&apos; &apos;webkitpy.scripts.measure_build_time_unittest.MeasureBuildTimeTest.test_clean_and_null_build&apos;
Suppressing most webkitpy logging while running unit tests.
[1/1] webkitpy.scripts.measure_build_time_unittest.MeasureBuildTimeTest.test_clean_and_null_build failed:
  Traceback (most recent call last):
    File &quot;/Volumes/gsnedders/projects/Safari/OpenSource/Tools/Scripts/webkitpy/scripts/measure_build_time_unittest.py&quot;, line 69, in test_clean_and_null_build
      self.assertEqual(proc.returncode, 0)
  AssertionError: 1 != 0
  
Ran 1 test in 0.163s
FAILED (failures=1, errors=0)
```

This bisects to 313554@main.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2212763</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2026-05-20 17:43:40 -0700</bug_when>
    <thetext>&lt;rdar://problem/177574839&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2213058</commentid>
    <comment_count>2</comment_count>
    <who name="Ryan Haddad">ryanhaddad</who>
    <bug_when>2026-05-21 12:47:31 -0700</bug_when>
    <thetext>Sorry for the forward dupe, but Lauro fixed this in https://bugs.webkit.org/show_bug.cgi?id=315261

*** This bug has been marked as a duplicate of bug 315261 ***</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>