See 
<https://builds.apache.org/job/beam_PerformanceTests_Dataflow/304/display/redirect?page=changes>

Changes:

[lcwik] Test all Known Coders to ensure they Serialize via URN

[tgroh] Represent a Pipeline via a list of Top-level Transforms

[tgroh] Improve Empty Create Default Coder Error Message

------------------------------------------
[...truncated 239.50 KB...]
remote: Counting objects: 4174, done.        
remote: Compressing objects:   0% (1/388)           remote: Compressing 
objects:   1% (4/388)           remote: Compressing objects:   2% (8/388)       
    remote: Compressing objects:   3% (12/388)           remote: Compressing 
objects:   4% (16/388)           remote: Compressing objects:   5% (20/388)     
      remote: Compressing objects:   6% (24/388)           remote: Compressing 
objects:   7% (28/388)           remote: Compressing objects:   8% (32/388)     
      remote: Compressing objects:   9% (35/388)           remote: Compressing 
objects:  10% (39/388)           remote: Compressing objects:  11% (43/388)     
      remote: Compressing objects:  12% (47/388)           remote: Compressing 
objects:  13% (51/388)           remote: Compressing objects:  14% (55/388)     
      remote: Compressing objects:  15% (59/388)           remote: Compressing 
objects:  16% (63/388)           remote: Compressing objects:  17% (66/388)     
      remote: Compressing objects:  18% (70/388)           remote: Compressing 
objects:  19% (74/388)           remote: Compressing objects:  20% (78/388)     
      remote: Compressing objects:  21% (82/388)           remote: Compressing 
objects:  22% (86/388)           remote: Compressing objects:  23% (90/388)     
      remote: Compressing objects:  24% (94/388)           remote: Compressing 
objects:  25% (97/388)           remote: Compressing objects:  26% (101/388)    
       remote: Compressing objects:  27% (105/388)           remote: 
Compressing objects:  28% (109/388)           remote: Compressing objects:  29% 
(113/388)           remote: Compressing objects:  30% (117/388)           
remote: Compressing objects:  31% (121/388)           remote: Compressing 
objects:  32% (125/388)           remote: Compressing objects:  33% (129/388)   
        remote: Compressing objects:  34% (132/388)           remote: 
Compressing objects:  35% (136/388)           remote: Compressing objects:  36% 
(140/388)           remote: Compressing objects:  37% (144/388)           
remote: Compressing objects:  38% (148/388)           remote: Compressing 
objects:  39% (152/388)           remote: Compressing objects:  40% (156/388)   
        remote: Compressing objects:  41% (160/388)           remote: 
Compressing objects:  42% (163/388)           remote: Compressing objects:  43% 
(167/388)           remote: Compressing objects:  44% (171/388)           
remote: Compressing objects:  45% (175/388)           remote: Compressing 
objects:  46% (179/388)           remote: Compressing objects:  47% (183/388)   
        remote: Compressing objects:  48% (187/388)           remote: 
Compressing objects:  49% (191/388)           remote: Compressing objects:  50% 
(194/388)           remote: Compressing objects:  51% (198/388)           
remote: Compressing objects:  52% (202/388)           remote: Compressing 
objects:  53% (206/388)           remote: Compressing objects:  54% (210/388)   
        remote: Compressing objects:  55% (214/388)           remote: 
Compressing objects:  56% (218/388)           remote: Compressing objects:  57% 
(222/388)           remote: Compressing objects:  58% (226/388)           
remote: Compressing objects:  59% (229/388)           remote: Compressing 
objects:  60% (233/388)           remote: Compressing objects:  61% (237/388)   
        remote: Compressing objects:  62% (241/388)           remote: 
Compressing objects:  63% (245/388)           remote: Compressing objects:  64% 
(249/388)           remote: Compressing objects:  65% (253/388)           
remote: Compressing objects:  66% (257/388)           remote: Compressing 
objects:  67% (260/388)           remote: Compressing objects:  68% (264/388)   
        remote: Compressing objects:  69% (268/388)           remote: 
Compressing objects:  70% (272/388)           remote: Compressing objects:  71% 
(276/388)           remote: Compressing objects:  72% (280/388)           
remote: Compressing objects:  73% (284/388)           remote: Compressing 
objects:  74% (288/388)           remote: Compressing objects:  75% (291/388)   
        remote: Compressing objects:  76% (295/388)           remote: 
Compressing objects:  77% (299/388)           remote: Compressing objects:  78% 
(303/388)           remote: Compressing objects:  79% (307/388)           
remote: Compressing objects:  80% (311/388)           remote: Compressing 
objects:  81% (315/388)           remote: Compressing objects:  82% (319/388)   
        remote: Compressing objects:  83% (323/388)           remote: 
Compressing objects:  84% (326/388)           remote: Compressing objects:  85% 
(330/388)           remote: Compressing objects:  86% (334/388)           
remote: Compressing objects:  87% (338/388)           remote: Compressing 
objects:  88% (342/388)           remote: Compressing objects:  89% (346/388)   
        remote: Compressing objects:  90% (350/388)           remote: 
Compressing objects:  91% (354/388)           remote: Compressing objects:  92% 
(357/388)           remote: Compressing objects:  93% (361/388)           
remote: Compressing objects:  94% (365/388)           remote: Compressing 
objects:  95% (369/388)           remote: Compressing objects:  96% (373/388)   
        remote: Compressing objects:  97% (377/388)           remote: 
Compressing objects:  98% (381/388)           remote: Compressing objects:  99% 
(385/388)           remote: Compressing objects: 100% (388/388)           
remote: Compressing objects: 100% (388/388), done.        
Receiving objects:   0% (1/4174)   Receiving objects:   1% (42/4174)   
Receiving objects:   2% (84/4174)   Receiving objects:   3% (126/4174)   
Receiving objects:   4% (167/4174)   Receiving objects:   5% (209/4174)   
Receiving objects:   6% (251/4174)   Receiving objects:   7% (293/4174)   
Receiving objects:   8% (334/4174)   Receiving objects:   9% (376/4174)   
Receiving objects:  10% (418/4174)   Receiving objects:  11% (460/4174)   
Receiving objects:  12% (501/4174)   Receiving objects:  13% (543/4174)   
Receiving objects:  14% (585/4174)   Receiving objects:  15% (627/4174)   
Receiving objects:  16% (668/4174)   Receiving objects:  17% (710/4174)   
Receiving objects:  18% (752/4174)   Receiving objects:  19% (794/4174)   
Receiving objects:  20% (835/4174)   Receiving objects:  21% (877/4174)   
Receiving objects:  22% (919/4174)   Receiving objects:  23% (961/4174)   
Receiving objects:  24% (1002/4174)   Receiving objects:  25% (1044/4174)   
Receiving objects:  26% (1086/4174)   Receiving objects:  27% (1127/4174)   
Receiving objects:  28% (1169/4174)   Receiving objects:  29% (1211/4174)   
Receiving objects:  30% (1253/4174)   Receiving objects:  31% (1294/4174)   
Receiving objects:  32% (1336/4174)   Receiving objects:  33% (1378/4174)   
Receiving objects:  34% (1420/4174)   Receiving objects:  35% (1461/4174)   
Receiving objects:  36% (1503/4174)   Receiving objects:  37% (1545/4174)   
Receiving objects:  38% (1587/4174)   Receiving objects:  39% (1628/4174)   
Receiving objects:  40% (1670/4174)   Receiving objects:  41% (1712/4174)   
Receiving objects:  42% (1754/4174)   Receiving objects:  43% (1795/4174)   
Receiving objects:  44% (1837/4174)   Receiving objects:  45% (1879/4174)   
Receiving objects:  46% (1921/4174)   Receiving objects:  47% (1962/4174)   
Receiving objects:  48% (2004/4174)   Receiving objects:  49% (2046/4174)   
Receiving objects:  50% (2087/4174)   Receiving objects:  51% (2129/4174)   
Receiving objects:  52% (2171/4174)   Receiving objects:  53% (2213/4174)   
Receiving objects:  54% (2254/4174)   Receiving objects:  55% (2296/4174)   
Receiving objects:  56% (2338/4174)   Receiving objects:  57% (2380/4174)   
Receiving objects:  58% (2421/4174)   Receiving objects:  59% (2463/4174)   
Receiving objects:  60% (2505/4174)   Receiving objects:  61% (2547/4174)   
Receiving objects:  62% (2588/4174)   Receiving objects:  63% (2630/4174)   
Receiving objects:  64% (2672/4174)   Receiving objects:  65% (2714/4174)   
Receiving objects:  66% (2755/4174)   Receiving objects:  67% (2797/4174)   
Receiving objects:  68% (2839/4174)   Receiving objects:  69% (2881/4174)   
Receiving objects:  70% (2922/4174)   Receiving objects:  71% (2964/4174)   
Receiving objects:  72% (3006/4174)   Receiving objects:  73% (3048/4174)   
Receiving objects:  74% (3089/4174)   Receiving objects:  75% (3131/4174), 
331.96 KiB | 637.00 KiB/s   Receiving objects:  76% (3173/4174), 331.96 KiB | 
637.00 KiB/s   Receiving objects:  77% (3214/4174), 331.96 KiB | 637.00 KiB/s   
Receiving objects:  78% (3256/4174), 331.96 KiB | 637.00 KiB/s   Receiving 
objects:  79% (3298/4174), 331.96 KiB | 637.00 KiB/s   Receiving objects:  80% 
(3340/4174), 331.96 KiB | 637.00 KiB/s   Receiving objects:  81% (3381/4174), 
331.96 KiB | 637.00 KiB/s   Receiving objects:  82% (3423/4174), 331.96 KiB | 
637.00 KiB/s   Receiving objects:  83% (3465/4174), 331.96 KiB | 637.00 KiB/s   
Receiving objects:  84% (3507/4174), 331.96 KiB | 637.00 KiB/s   Receiving 
objects:  85% (3548/4174), 331.96 KiB | 637.00 KiB/s   Receiving objects:  86% 
(3590/4174), 331.96 KiB | 637.00 KiB/s   Receiving objects:  87% (3632/4174), 
331.96 KiB | 637.00 KiB/s   Receiving objects:  88% (3674/4174), 331.96 KiB | 
637.00 KiB/s   remote: Total 4174 (delta 1388), reused 1196 (delta 1196), 
pack-reused 2431        
Receiving objects:  89% (3715/4174), 331.96 KiB | 637.00 KiB/s   Receiving 
objects:  90% (3757/4174), 331.96 KiB | 637.00 KiB/s   Receiving objects:  91% 
(3799/4174), 331.96 KiB | 637.00 KiB/s   Receiving objects:  92% (3841/4174), 
331.96 KiB | 637.00 KiB/s   Receiving objects:  93% (3882/4174), 331.96 KiB | 
637.00 KiB/s   Receiving objects:  94% (3924/4174), 331.96 KiB | 637.00 KiB/s   
Receiving objects:  95% (3966/4174), 331.96 KiB | 637.00 KiB/s   Receiving 
objects:  96% (4008/4174), 331.96 KiB | 637.00 KiB/s   Receiving objects:  97% 
(4049/4174), 331.96 KiB | 637.00 KiB/s   Receiving objects:  98% (4091/4174), 
331.96 KiB | 637.00 KiB/s   Receiving objects:  99% (4133/4174), 331.96 KiB | 
637.00 KiB/s   Receiving objects: 100% (4174/4174), 331.96 KiB | 637.00 KiB/s   
Receiving objects: 100% (4174/4174), 568.60 KiB | 637.00 KiB/s, done.
Resolving deltas:   0% (0/1505)   Resolving deltas:   1% (19/1505)   Resolving 
deltas:   2% (32/1505)   Resolving deltas:   3% (46/1505)   Resolving deltas:   
4% (63/1505)   Resolving deltas:   5% (81/1505)   Resolving deltas:   6% 
(92/1505)   Resolving deltas:   7% (107/1505)   Resolving deltas:   8% 
(124/1505)   Resolving deltas:   9% (143/1505)   Resolving deltas:  12% 
(191/1505)   Resolving deltas:  13% (198/1505)   Resolving deltas:  15% 
(240/1505)   Resolving deltas:  16% (253/1505)   Resolving deltas:  18% 
(280/1505)   Resolving deltas:  19% (288/1505)   Resolving deltas:  20% 
(302/1505)   Resolving deltas:  21% (327/1505)   Resolving deltas:  22% 
(340/1505)   Resolving deltas:  23% (358/1505)   Resolving deltas:  24% 
(364/1505)   Resolving deltas:  25% (378/1505)   Resolving deltas:  26% 
(393/1505)   Resolving deltas:  27% (410/1505)   Resolving deltas:  28% 
(426/1505)   Resolving deltas:  29% (441/1505)   Resolving deltas:  30% 
(453/1505)   Resolving deltas:  31% (469/1505)   Resolving deltas:  32% 
(482/1505)   Resolving deltas:  33% (501/1505)   Resolving deltas:  34% 
(512/1505)   Resolving deltas:  35% (528/1505)   Resolving deltas:  36% 
(548/1505)   Resolving deltas:  37% (563/1505)   Resolving deltas:  39% 
(590/1505)   Resolving deltas:  40% (608/1505)   Resolving deltas:  41% 
(620/1505)   Resolving deltas:  42% (634/1505)   Resolving deltas:  43% 
(654/1505)   Resolving deltas:  44% (664/1505)   Resolving deltas:  45% 
(678/1505)   Resolving deltas:  46% (694/1505)   Resolving deltas:  47% 
(712/1505)   Resolving deltas:  49% (740/1505)   Resolving deltas:  50% 
(757/1505)   Resolving deltas:  51% (768/1505)   Resolving deltas:  52% 
(790/1505)   Resolving deltas:  53% (804/1505)   Resolving deltas:  54% 
(813/1505)   Resolving deltas:  55% (829/1505)   Resolving deltas:  56% 
(850/1505)   Resolving deltas:  57% (858/1505)   Resolving deltas:  58% 
(878/1505)   Resolving deltas:  59% (888/1505)   Resolving deltas:  60% 
(903/1505)   Resolving deltas:  61% (919/1505)   Resolving deltas:  62% 
(937/1505)   Resolving deltas:  63% (949/1505)   Resolving deltas:  64% 
(965/1505)   Resolving deltas:  65% (980/1505)   Resolving deltas:  66% 
(994/1505)   Resolving deltas:  67% (1009/1505)   Resolving deltas:  68% 
(1024/1505)   Resolving deltas:  69% (1039/1505)   Resolving deltas:  70% 
(1054/1505)   Resolving deltas:  71% (1076/1505)   Resolving deltas:  72% 
(1084/1505)   Resolving deltas:  73% (1099/1505)   Resolving deltas:  74% 
(1114/1505)   Resolving deltas:  75% (1129/1505)   Resolving deltas:  76% 
(1144/1505)   Resolving deltas:  77% (1160/1505)   Resolving deltas:  78% 
(1176/1505)   Resolving deltas:  79% (1192/1505)   Resolving deltas:  80% 
(1205/1505)   Resolving deltas:  81% (1222/1505)   Resolving deltas:  82% 
(1235/1505)   Resolving deltas:  83% (1251/1505)   Resolving deltas:  84% 
(1267/1505)   Resolving deltas:  85% (1291/1505)   Resolving deltas:  86% 
(1297/1505)   Resolving deltas:  87% (1310/1505)   Resolving deltas:  88% 
(1326/1505)   Resolving deltas:  89% (1340/1505)   Resolving deltas:  90% 
(1356/1505)   Resolving deltas:  91% (1370/1505)   Resolving deltas:  92% 
(1385/1505)   Resolving deltas:  93% (1401/1505)   Resolving deltas:  94% 
(1416/1505)   Resolving deltas:  95% (1430/1505)   Resolving deltas:  96% 
(1445/1505)   Resolving deltas:  97% (1460/1505)   Resolving deltas:  98% 
(1476/1505)   Resolving deltas:  99% (1490/1505)   Resolving deltas: 100% 
(1505/1505)   Resolving deltas: 100% (1505/1505), completed with 529 local 
objects.
   21a2b96..2f400e2  master     -> origin/master
error: unable to resolve reference refs/remotes/origin/pr/1632/merge: No such 
file or directory
 ! 6443b71...9601ddc refs/pull/1632/merge -> origin/pr/1632/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/1687/merge: No such 
file or directory
 ! 79b554b...bb1f7b1 refs/pull/1687/merge -> origin/pr/1687/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/1725/merge: No such 
file or directory
 ! 32b0688...fa768f6 refs/pull/1725/merge -> origin/pr/1725/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/1729/merge: No such 
file or directory
 ! f7d42fc...a1c35ff refs/pull/1729/merge -> origin/pr/1729/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/1851/merge: No such 
file or directory
 ! 5ae11ca...e948acd refs/pull/1851/merge -> origin/pr/1851/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/1898/merge: No such 
file or directory
 ! aa789ad...12d6897 refs/pull/1898/merge -> origin/pr/1898/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2057/merge: No such 
file or directory
 ! 06c9ea9...b3fc98c refs/pull/2057/merge -> origin/pr/2057/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2113/merge: No such 
file or directory
 ! 693c388...6232dd2 refs/pull/2113/merge -> origin/pr/2113/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2117/merge: No such 
file or directory
 ! 36e5d99...63e51d2 refs/pull/2117/merge -> origin/pr/2117/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2154/merge: No such 
file or directory
 ! 2faf579...80566bf refs/pull/2154/merge -> origin/pr/2154/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2167/merge: No such 
file or directory
 ! 2e6ccea...3afa157 refs/pull/2167/merge -> origin/pr/2167/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2207/merge: No such 
file or directory
 ! 022ddfc...86b3f7d refs/pull/2207/merge -> origin/pr/2207/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2216/merge: No such 
file or directory
 ! b4fe6db...0af30a9 refs/pull/2216/merge -> origin/pr/2216/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2239/merge: No such 
file or directory
 ! 6287975...b26429c refs/pull/2239/merge -> origin/pr/2239/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2242/merge: No such 
file or directory
 ! 93c7b85...be0f75a refs/pull/2242/merge -> origin/pr/2242/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2256/merge: No such 
file or directory
 ! 8eca896...f0c3182 refs/pull/2256/merge -> origin/pr/2256/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2266/merge: No such 
file or directory
 ! f2dbc1d...c6a57dc refs/pull/2266/merge -> origin/pr/2266/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2273/merge: No such 
file or directory
 ! 4cdcbec...b12a7a5 refs/pull/2273/merge -> origin/pr/2273/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2286/merge: No such 
file or directory
 ! d2fedf2...2e4676e refs/pull/2286/merge -> origin/pr/2286/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2305/merge: No such 
file or directory
 ! 34ec527...03cbf9b refs/pull/2305/merge -> origin/pr/2305/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2307/merge: No such 
file or directory
 ! 55c9ec6...662a8f2 refs/pull/2307/merge -> origin/pr/2307/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2310/merge: No such 
file or directory
 ! 91531bc...35d8095 refs/pull/2310/merge -> origin/pr/2310/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2315/merge: No such 
file or directory
 ! 67f684a...5e6087b refs/pull/2315/merge -> origin/pr/2315/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2323/merge: No such 
file or directory
 ! a24eec0...0698daa refs/pull/2323/merge -> origin/pr/2323/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2331/merge: No such 
file or directory
 ! 66f0342...08461a1 refs/pull/2331/merge -> origin/pr/2331/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2339/merge: No such 
file or directory
 ! a2ada88...00175d7 refs/pull/2339/merge -> origin/pr/2339/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2341/merge: No such 
file or directory
 ! 24f7b87...6829e8e refs/pull/2341/merge -> origin/pr/2341/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2344/merge: No such 
file or directory
 ! 15ba6f7...a88c6b1 refs/pull/2344/merge -> origin/pr/2344/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2348/merge: No such 
file or directory
 ! 2cc86f5...9c4a758 refs/pull/2348/merge -> origin/pr/2348/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2358/merge: No such 
file or directory
 ! bf31cf5...2f534a5 refs/pull/2358/merge -> origin/pr/2358/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2380/merge: No such 
file or directory
 ! 4b7959a...a75f3b1 refs/pull/2380/merge -> origin/pr/2380/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2381/merge: No such 
file or directory
 ! e3e860b...356ed27 refs/pull/2381/merge -> origin/pr/2381/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2387/merge: No such 
file or directory
 ! e87a329...c43846c refs/pull/2387/merge -> origin/pr/2387/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2401/merge: No such 
file or directory
 ! bd76610...754d078 refs/pull/2401/merge -> origin/pr/2401/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2406/merge: No such 
file or directory
 ! 0106103...83f1610 refs/pull/2406/merge -> origin/pr/2406/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2417/merge: No such 
file or directory
 ! 272df41...fad0cc2 refs/pull/2417/merge -> origin/pr/2417/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2421/merge: No such 
file or directory
 ! 2b8decc...1f4bba2 refs/pull/2421/merge -> origin/pr/2421/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2423/head: No such 
file or directory
 ! 9e938d6...2341a96 refs/pull/2423/head -> origin/pr/2423/head  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2423/merge: No such 
file or directory
 ! 52c092d...55ee39c refs/pull/2423/merge -> origin/pr/2423/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2426/merge: No such 
file or directory
 ! e92fe53...af76f0b refs/pull/2426/merge -> origin/pr/2426/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2442/merge: No such 
file or directory
 ! 263c128...8b033b5 refs/pull/2442/merge -> origin/pr/2442/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2457/merge: No such 
file or directory
 ! 1f805ec...1625a1c refs/pull/2457/merge -> origin/pr/2457/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2458/merge: No such 
file or directory
 ! aa94078...ba6b2d3 refs/pull/2458/merge -> origin/pr/2458/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2474/merge: No such 
file or directory
 ! c9ac3b7...9364d32 refs/pull/2474/merge -> origin/pr/2474/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2476/merge: No such 
file or directory
 ! 2300f76...73f96ad refs/pull/2476/merge -> origin/pr/2476/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2482/merge: No such 
file or directory
 ! 2df0127...d9434ad refs/pull/2482/merge -> origin/pr/2482/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2485/merge: No such 
file or directory
 ! 62fbb64...96ce1b5 refs/pull/2485/merge -> origin/pr/2485/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2488/merge: No such 
file or directory
 ! ff75934...47d17e2 refs/pull/2488/merge -> origin/pr/2488/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2500/merge: No such 
file or directory
 ! b49cc6c...6092c2f refs/pull/2500/merge -> origin/pr/2500/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2501/merge: No such 
file or directory
 ! b73aceb...a32caf8 refs/pull/2501/merge -> origin/pr/2501/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2505/merge: No such 
file or directory
 ! 9757aa5...1229edd refs/pull/2505/merge -> origin/pr/2505/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2506/merge: No such 
file or directory
 ! a484ab3...feffeba refs/pull/2506/merge -> origin/pr/2506/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2507/merge: No such 
file or directory
 ! d2990c2...9ebb97d refs/pull/2507/merge -> origin/pr/2507/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2508/merge: No such 
file or directory
 ! 42f0cd3...2916983 refs/pull/2508/merge -> origin/pr/2508/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2509/merge: No such 
file or directory
 ! f3100dd...3592759 refs/pull/2509/merge -> origin/pr/2509/merge  (unable to 
update local ref)
error: unable to resolve reference refs/remotes/origin/pr/2512/merge: No such 
file or directory
 ! 9c70d19...b318838 refs/pull/2512/merge -> origin/pr/2512/merge  (unable to 
update local ref)
 * [new ref]         refs/pull/2516/head -> origin/pr/2516/head
 * [new ref]         refs/pull/2516/merge -> origin/pr/2516/merge
 * [new ref]         refs/pull/2517/head -> origin/pr/2517/head
 * [new ref]         refs/pull/2517/merge -> origin/pr/2517/merge
 * [new ref]         refs/pull/2518/head -> origin/pr/2518/head
 * [new ref]         refs/pull/2518/merge -> origin/pr/2518/merge
 * [new ref]         refs/pull/2519/head -> origin/pr/2519/head
 * [new ref]         refs/pull/2519/merge -> origin/pr/2519/merge
 * [new ref]         refs/pull/2520/head -> origin/pr/2520/head
 * [new ref]         refs/pull/2520/merge -> origin/pr/2520/merge
 * [new ref]         refs/pull/2521/head -> origin/pr/2521/head
 * [new ref]         refs/pull/2521/merge -> origin/pr/2521/merge
 * [new ref]         refs/pull/2522/head -> origin/pr/2522/head
 * [new ref]         refs/pull/2522/merge -> origin/pr/2522/merge
 * [new ref]         refs/pull/2523/head -> origin/pr/2523/head
 * [new ref]         refs/pull/2523/merge -> origin/pr/2523/merge
error: unable to resolve reference refs/remotes/origin/pr/592/merge: No such 
file or directory
 ! af6195b...7c50303 refs/pull/592/merge -> origin/pr/592/merge  (unable to 
update local ref)

        at 
org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1793)
        at 
org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1519)
        at 
org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$300(CliGitAPIImpl.java:64)
        at 
org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:315)
        at 
org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:153)
        at 
org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:146)
        at hudson.remoting.UserRequest.perform(UserRequest.java:153)
        at hudson.remoting.UserRequest.perform(UserRequest.java:50)
        at hudson.remoting.Request$2.run(Request.java:336)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
        at ......remote call to beam5(Native Method)
        at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1537)
        at hudson.remoting.UserResponse.retrieve(UserRequest.java:253)
        at hudson.remoting.Channel.call(Channel.java:822)
        at 
org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:146)
        at sun.reflect.GeneratedMethodAccessor807.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:132)
        at com.sun.proxy.$Proxy97.execute(Unknown Source)
        at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:804)
        ... 11 more
ERROR: null
Retrying after 10 seconds
 > git rev-parse --is-inside-work-tree # timeout=10
Fetching changes from the remote Git repository
 > git config remote.origin.url https://github.com/apache/beam.git # timeout=10
Pruning obsolete local branches
Fetching upstream changes from https://github.com/apache/beam.git
 > git --version # timeout=10
 > git fetch --tags --progress https://github.com/apache/beam.git 
 > +refs/heads/*:refs/remotes/origin/* +refs/pull/*:refs/remotes/origin/pr/* 
 > --prune
 > git rev-parse origin/master^{commit} # timeout=10
Checking out Revision 2f400e2ac6e1375858d52ecd03af0993de13ad64 (origin/master)
 > git config core.sparsecheckout # timeout=10
 > git checkout -f 2f400e2ac6e1375858d52ecd03af0993de13ad64
 > git rev-list 21a2b96a1f617870aa5926d69878a72533ba259e # timeout=10
Cleaning workspace
 > git rev-parse --verify HEAD # timeout=10
Resetting working tree
 > git reset --hard # timeout=10
 > git clean -fdx # timeout=10
[EnvInject] - Executing scripts and injecting environment variables after the 
SCM step.
[EnvInject] - Injecting as environment variables the properties content 
SPARK_LOCAL_IP=127.0.0.1

[EnvInject] - Variables injected successfully.
[beam_PerformanceTests_Dataflow] $ /bin/bash -xe 
/tmp/hudson5911995645257953347.sh
+ rm -rf PerfKitBenchmarker
[beam_PerformanceTests_Dataflow] $ /bin/bash -xe 
/tmp/hudson6765133476494680153.sh
+ git clone https://github.com/GoogleCloudPlatform/PerfKitBenchmarker.git
Cloning into 'PerfKitBenchmarker'...
[beam_PerformanceTests_Dataflow] $ /bin/bash -xe 
/tmp/hudson2264567051105139606.sh
+ pip install --user -r PerfKitBenchmarker/requirements.txt
Requirement already satisfied (use --upgrade to upgrade): python-gflags==3.1.1 
in /home/jenkins/.local/lib/python2.7/site-packages (from -r 
PerfKitBenchmarker/requirements.txt (line 14))
Requirement already satisfied (use --upgrade to upgrade): jinja2>=2.7 in 
/usr/local/lib/python2.7/dist-packages (from -r 
PerfKitBenchmarker/requirements.txt (line 15))
Requirement already satisfied (use --upgrade to upgrade): setuptools in 
/usr/lib/python2.7/dist-packages (from -r PerfKitBenchmarker/requirements.txt 
(line 16))
Requirement already satisfied (use --upgrade to upgrade): 
colorlog[windows]==2.6.0 in /home/jenkins/.local/lib/python2.7/site-packages 
(from -r PerfKitBenchmarker/requirements.txt (line 17))
  Installing extra requirements: 'windows'
Requirement already satisfied (use --upgrade to upgrade): blinker>=1.3 in 
/home/jenkins/.local/lib/python2.7/site-packages (from -r 
PerfKitBenchmarker/requirements.txt (line 18))
Requirement already satisfied (use --upgrade to upgrade): futures>=3.0.3 in 
/home/jenkins/.local/lib/python2.7/site-packages (from -r 
PerfKitBenchmarker/requirements.txt (line 19))
Requirement already satisfied (use --upgrade to upgrade): PyYAML==3.11 in 
/home/jenkins/.local/lib/python2.7/site-packages (from -r 
PerfKitBenchmarker/requirements.txt (line 20))
Requirement already satisfied (use --upgrade to upgrade): pint>=0.7 in 
/home/jenkins/.local/lib/python2.7/site-packages (from -r 
PerfKitBenchmarker/requirements.txt (line 21))
Requirement already satisfied (use --upgrade to upgrade): numpy in 
/home/jenkins/.local/lib/python2.7/site-packages (from -r 
PerfKitBenchmarker/requirements.txt (line 22))
Requirement already satisfied (use --upgrade to upgrade): functools32 in 
/home/jenkins/.local/lib/python2.7/site-packages (from -r 
PerfKitBenchmarker/requirements.txt (line 23))
Requirement already satisfied (use --upgrade to upgrade): contextlib2>=0.5.1 in 
/home/jenkins/.local/lib/python2.7/site-packages (from -r 
PerfKitBenchmarker/requirements.txt (line 24))
Cleaning up...
[beam_PerformanceTests_Dataflow] $ /bin/bash -xe 
/tmp/hudson5843306024050290123.sh
+ python PerfKitBenchmarker/pkb.py --project=apache-beam-testing 
--dpb_log_level=INFO --maven_binary=/home/jenkins/tools/maven/latest/bin/mvn 
--bigquery_table=beam_performance.pkb_results --official=true 
--benchmarks=dpb_wordcount_benchmark 
--dpb_dataflow_staging_location=gs://temp-storage-for-perf-tests/staging 
--dpb_wordcount_input=dataflow-samples/shakespeare/kinglear.txt 
--config_override=dpb_wordcount_benchmark.dpb_service.service_type=dataflow
WARNING:root:File resource loader root perfkitbenchmarker/data/ycsb is not a 
directory.
2017-04-13 18:02:48,121 6149143a MainThread INFO     Verbose logging to: 
/tmp/perfkitbenchmarker/runs/6149143a/pkb.log
2017-04-13 18:02:48,121 6149143a MainThread INFO     PerfKitBenchmarker 
version: v1.11.0-38-g9e130a4
2017-04-13 18:02:48,121 6149143a MainThread INFO     Flag values:
--maven_binary=/home/jenkins/tools/maven/latest/bin/mvn
--project=apache-beam-testing
--bigquery_table=beam_performance.pkb_results
--dpb_wordcount_input=dataflow-samples/shakespeare/kinglear.txt
--dpb_log_level=INFO
--official
--benchmarks=dpb_wordcount_benchmark
--config_override=dpb_wordcount_benchmark.dpb_service.service_type=dataflow
--dpb_dataflow_staging_location=gs://temp-storage-for-perf-tests/staging
2017-04-13 18:02:48,772 6149143a MainThread WARNING  The key "flags" was not in 
the default config, but was in user overrides. This may indicate a typo.
2017-04-13 18:02:48,894 6149143a MainThread dpb_wordcount_benchmark(1/1) INFO   
  Provisioning resources for benchmark dpb_wordcount_benchmark
2017-04-13 18:02:48,897 6149143a MainThread dpb_wordcount_benchmark(1/1) INFO   
  Preparing benchmark dpb_wordcount_benchmark
2017-04-13 18:02:48,897 6149143a MainThread dpb_wordcount_benchmark(1/1) INFO   
  Running benchmark dpb_wordcount_benchmark
2017-04-13 18:02:48,902 6149143a MainThread dpb_wordcount_benchmark(1/1) ERROR  
  Error during benchmark dpb_wordcount_benchmark
Traceback (most recent call last):
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_Dataflow/ws/PerfKitBenchmarker/perfkitbenchmarker/pkb.py";,>
 line 510, in RunBenchmark
    DoRunPhase(spec, collector, detailed_timer)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_Dataflow/ws/PerfKitBenchmarker/perfkitbenchmarker/pkb.py";,>
 line 426, in DoRunPhase
    samples = spec.BenchmarkRun(spec)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_Dataflow/ws/PerfKitBenchmarker/perfkitbenchmarker/linux_benchmarks/dpb_wordcount_benchmark.py";,>
 line 162, in Run
    job_type=job_type)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_Dataflow/ws/PerfKitBenchmarker/perfkitbenchmarker/providers/gcp/gcp_dpb_dataflow.py";,>
 line 115, in SubmitJob
    stdout, _, _ = vm_util.IssueCommand(cmd)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_Dataflow/ws/PerfKitBenchmarker/perfkitbenchmarker/vm_util.py";,>
 line 287, in IssueCommand
    full_cmd = ' '.join(cmd)
TypeError: sequence item 2: expected string, NoneType found
2017-04-13 18:02:48,904 6149143a MainThread dpb_wordcount_benchmark(1/1) ERROR  
  Benchmark 1/1 dpb_wordcount_benchmark (UID: dpb_wordcount_benchmark0) failed. 
Execution will continue.
2017-04-13 18:02:48,930 6149143a MainThread INFO     Benchmark run statuses:
---------------------------------------------------------
Name                     UID                       Status
---------------------------------------------------------
dpb_wordcount_benchmark  dpb_wordcount_benchmark0  FAILED
---------------------------------------------------------
Success rate: 0.00% (0/1)
2017-04-13 18:02:48,931 6149143a MainThread INFO     Complete logs can be found 
at: /tmp/perfkitbenchmarker/runs/6149143a/pkb.log
Build step 'Execute shell' marked build as failure

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