Created temporary directory: /tmp/pip-ephem-wheel-cache-_65z9cys
Created temporary directory: /tmp/pip-req-tracker-jpz3udwc
Created requirements tracker '/tmp/pip-req-tracker-jpz3udwc'
Created temporary directory: /tmp/pip-wheel-8mq2lliq
Collecting botbuilder-core==4.4.0b1
  1 location(s) to search for versions of botbuilder-core:
  * https://pypi.org/simple/botbuilder-core/
  Getting page https://pypi.org/simple/botbuilder-core/
  Analyzing links from page https://pypi.org/simple/botbuilder-core/
    Found link https://files.pythonhosted.org/packages/e2/ba/73228e84fd64c4a48b0bb9f609a71c229b7c9684e14b020a1b359dacedc3/botbuilder_core-4.0.0a0-py3-none-any.whl#sha256=acd4f96e96c39281cf3cee815873d21e090d47de94766720e24eb359ed05b86c (from https://pypi.org/simple/botbuilder-core/), version: 4.0.0a0
    Found link https://files.pythonhosted.org/packages/a7/03/bee46fc935207720c57d98bd68617ca911b7da4374a12b27aa4d657644d8/botbuilder_core-4.0.0a1-py3-none-any.whl#sha256=b36b63163302239c84d8f405993fc3cd69cb99243160159403f50a5c229b12f1 (from https://pypi.org/simple/botbuilder-core/), version: 4.0.0a1
    Found link https://files.pythonhosted.org/packages/a7/d5/a4157e8f8192254c58dff958549c8f60bdf96db77c3af03f41b9bc47b540/botbuilder_core-4.0.0a2-py3-none-any.whl#sha256=af66ebd98a5e1b476dc021c75e5e10f981ba15d53c1d2dd6e406346dff60e544 (from https://pypi.org/simple/botbuilder-core/), version: 4.0.0a2
    Found link https://files.pythonhosted.org/packages/9f/78/997f71b2b06c05b704e683b0862d784375279e019f8b56f651055d6038d8/botbuilder_core-4.0.0a3-py3-none-any.whl#sha256=c4ef2c29f0f8ee52efe12436a7a4934be4499e0ff1d2539d224a0b4872a2e9bd (from https://pypi.org/simple/botbuilder-core/), version: 4.0.0a3
    Found link https://files.pythonhosted.org/packages/0a/a0/7a613864b5e037970f33b4ff7ae57586d1ef561392d14036e06dfd3af20f/botbuilder_core-4.0.0a4-py3-none-any.whl#sha256=9023450227e8cb834b3c5aaa8ac0f11aac1e289841ba8e59acec3a8fdccc605c (from https://pypi.org/simple/botbuilder-core/), version: 4.0.0a4
    Found link https://files.pythonhosted.org/packages/2d/66/3ba237742f07ef3a55872f7bdd8e578f3b33dcc52834e2df6fc7ee057b0f/botbuilder_core-4.0.0a5-py3-none-any.whl#sha256=fb5964ac2ebd025aad4aba131f970b1c71bb3c707ab85ece2eed018931ea3a30 (from https://pypi.org/simple/botbuilder-core/), version: 4.0.0a5
    Found link https://files.pythonhosted.org/packages/88/61/a190f98cdcb52eb463a445b424c3d3f17e4c0b35bfa5e3488c90df3903c2/botbuilder_core-4.0.0a6-py3-none-any.whl#sha256=e006040c95e461943ae41b6ec009fa2bfd13145baba0692696573c153bbb6747 (from https://pypi.org/simple/botbuilder-core/), version: 4.0.0a6
    Found link https://files.pythonhosted.org/packages/29/81/1f372d04f240b365f8ff4f8620afa7e2f6802b50125e04fe2a4989baa1f6/botbuilder-core-4.4.0b1.tar.gz#sha256=20090097418b8b2e7d560980f95ba40586a2b4fb7aa49114a42f94e31d9e7d90 (from https://pypi.org/simple/botbuilder-core/), version: 4.4.0b1
    Found link https://files.pythonhosted.org/packages/bf/a6/22970f65835af5bc49f241caccd810984a7c7720088653dbbdae6963bb1b/botbuilder_core-4.4.0b1-py3-none-any.whl#sha256=8e7eedb0ed35779bbb6fcd0a75e1363e3a32177a359cb17d7424f4b226e520c7 (from https://pypi.org/simple/botbuilder-core/), version: 4.4.0b1
    Found link https://files.pythonhosted.org/packages/45/14/2e85bb7486c56c326191ad66190d63cd510eb08ece31da6384fe65479b29/botbuilder-core-4.4.0b2.tar.gz#sha256=a4a389e2197939b5e55d73af1548a2cbac7f1c2858e0238107af25bf7d371774 (from https://pypi.org/simple/botbuilder-core/), version: 4.4.0b2
    Found link https://files.pythonhosted.org/packages/66/09/e1d47ddc80de62ba61eff0a8b649d7e95936ea11a5d076b092e50ff36ed3/botbuilder_core-4.4.0b2-py3-none-any.whl#sha256=c23e8b167dec19d8ed8ae1f8c807d665178e56d2a83072de76a0c8215e53edbd (from https://pypi.org/simple/botbuilder-core/), version: 4.4.0b2
  Using version 4.4.0b1 (newest of versions: 4.4.0b1)
  Created temporary directory: /tmp/pip-unpack-knmreur2
  Downloading https://files.pythonhosted.org/packages/bf/a6/22970f65835af5bc49f241caccd810984a7c7720088653dbbdae6963bb1b/botbuilder_core-4.4.0b1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/bf/a6/22970f65835af5bc49f241caccd810984a7c7720088653dbbdae6963bb1b/botbuilder_core-4.4.0b1-py3-none-any.whl#sha256=8e7eedb0ed35779bbb6fcd0a75e1363e3a32177a359cb17d7424f4b226e520c7 (from https://pypi.org/simple/botbuilder-core/)
  Saved /tmp/tmpyuvlubld/botbuilder_core-4.4.0b1-py3-none-any.whl
  Added botbuilder-core==4.4.0b1 from https://files.pythonhosted.org/packages/bf/a6/22970f65835af5bc49f241caccd810984a7c7720088653dbbdae6963bb1b/botbuilder_core-4.4.0b1-py3-none-any.whl#sha256=8e7eedb0ed35779bbb6fcd0a75e1363e3a32177a359cb17d7424f4b226e520c7 to build tracker '/tmp/pip-req-tracker-jpz3udwc'
  Removed botbuilder-core==4.4.0b1 from https://files.pythonhosted.org/packages/bf/a6/22970f65835af5bc49f241caccd810984a7c7720088653dbbdae6963bb1b/botbuilder_core-4.4.0b1-py3-none-any.whl#sha256=8e7eedb0ed35779bbb6fcd0a75e1363e3a32177a359cb17d7424f4b226e520c7 from build tracker '/tmp/pip-req-tracker-jpz3udwc'
Skipping botbuilder-core, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-8mq2lliq/botbuilder-core
Removed build tracker '/tmp/pip-req-tracker-jpz3udwc'