2020-07-08T14:49:45.2448050Z
2020-07-08T14:49:54.0330448Z examples/seismic/tutorials/01_modelling.ipynb ............               [  5%]
2020-07-08T14:50:12.7113225Z examples/seismic/tutorials/02_rtm.ipynb ............                     [ 11%]
2020-07-08T14:50:31.4359620Z examples/seismic/tutorials/03_fwi.ipynb ...............s.s               [ 20%]
2020-07-08T14:53:35.4145319Z examples/seismic/tutorials/04_dask.ipynb .............F...               [ 28%]
2020-07-08T14:53:41.3124682Z examples/seismic/tutorials/05_staggered_acoustic.ipynb ...s......s...s.  [ 36%]
2020-07-08T14:53:51.0432194Z examples/seismic/tutorials/06_elastic.ipynb ...s....s...s.               [ 42%]
2020-07-08T14:54:00.3863886Z examples/seismic/tutorials/06_elastic_varying_parameters.ipynb ..s.s..s. [ 47%]
2020-07-08T14:54:10.5030754Z .....s....ss...s..s.                                                     [ 56%]
2020-07-08T14:54:24.8540112Z examples/seismic/tutorials/07_DRP_schemes.ipynb .....................    [ 66%]
2020-07-08T14:54:36.3242726Z examples/seismic/tutorials/08_snapshotting.ipynb ........s               [ 71%]
2020-07-08T14:55:12.1015205Z examples/seismic/tutorials/09_viscoelastic.ipynb .............s.         [ 78%]
2020-07-08T14:55:21.4080537Z examples/seismic/tutorials/10_nmo_correction.ipynb ...............       [ 85%]
2020-07-08T14:55:40.2041951Z examples/seismic/tutorials/11_viscoacoustic.ipynb ...................... [ 96%]
2020-07-08T14:55:47.8274115Z ........                                                                 [100%]
2020-07-08T14:55:47.8274355Z
2020-07-08T14:55:47.8274561Z =================================== FAILURES ===================================
2020-07-08T14:55:47.8274941Z ______________ examples/seismic/tutorials/04_dask.ipynb::Cell 13 _______________
2020-07-08T14:55:47.8275932Z Notebook cell execution failed
2020-07-08T14:55:47.8276300Z Cell 13: Cell outputs differ
2020-07-08T14:55:47.8276379Z
2020-07-08T14:55:47.8276549Z Input:
2020-07-08T14:55:47.8276906Z from scipy import optimize
2020-07-08T14:55:47.8276984Z
2020-07-08T14:55:47.8277297Z # FWI with L-BFGS
2020-07-08T14:55:47.8277506Z ftol = 0.1
2020-07-08T14:55:47.8277678Z maxiter = 5
2020-07-08T14:55:47.8278099Z result = optimize.minimize(loss, m0, args=(geometry0, d_obs), method='L-BFGS-B', jac=True,
2020-07-08T14:55:47.8278560Z     callback=fwi_callback, bounds=bounds, options={'ftol':ftol, 'maxiter':maxiter, 'disp':True})
2020-07-08T14:55:47.8278726Z
2020-07-08T14:55:47.8279604Z Traceback:
2020-07-08T14:55:47.9314255Z Unexpected output fields from running code: {'stderr'}<<<<<<<<<<<< Unexpected content:stderr: ['tornado.application - ERROR - Exception in callback <bound method Nanny.memory_monitor of <Nanny: None, threads: 1>>\nTraceback (most recent call last):\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/tornado/ioloop.py", line 907, in _run\n    return self.callback()\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/distributed/nanny.py", line 414, in memory_monitor\n    process = self.process.process\nAttributeError: \'NoneType\' object has no attribute \'process\'\ntornado.application - ERROR - Exception in callback <bound method Nanny.memory_monitor of <Nanny: None, threads: 1>>\nTraceback (most recent call last):\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/tornado/ioloop.py", line 907, in _run\n    return self.callback()\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/distributed/nanny.py", line 414, in memory_monitor\n    process = self.process.process\nAttributeError: \'NoneType\' object has no attribute \'process\'\ntornado.application - ERROR - Exception in callback <bound method Nanny.memory_monitor of <Nanny: None, threads: 1>>\nTraceback (most recent call last):\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/tornado/ioloop.py", line 907, in _run\n    return self.callback()\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/distributed/nanny.py", line 414, in memory_monitor\n    process = self.process.process\nAttributeError: \'NoneType\' object has no attribute \'process\'\ntornado.application - ERROR - Exception in callback <bound method Nanny.memory_monitor of <Nanny: None, threads: 1>>\nTraceback (most recent call last):\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/tornado/ioloop.py", line 907, in _run\n    return self.callback()\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/distributed/nanny.py", line 414, in memory_monitor\n    process = self.process.process\nAttributeError: \'NoneType\' object has no attribute \'process\'\ntornado.application - ERROR - Exception in callback <bound method Nanny.memory_monitor of <Nanny: None, threads: 1>>\nTraceback (most recent call last):\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/tornado/ioloop.py", line 907, in _run\n    return self.callback()\n  File "/opt/hostedtoolcache/Python/3.7.7/x64/lib/python3.7/site-packages/distributed/nanny.py",