Created temporary directory: /tmp/pip-ephem-wheel-cache-uehnd1ht
Created temporary directory: /tmp/pip-req-tracker-dbsmg31l
Created requirements tracker '/tmp/pip-req-tracker-dbsmg31l'
Created temporary directory: /tmp/pip-wheel-a2fv9az8
Looking in indexes: https://pypi.python.org/simple
Collecting rfc3161ng==2.1.1
  1 location(s) to search for versions of rfc3161ng:
  * https://pypi.python.org/simple/rfc3161ng/
  Getting page https://pypi.python.org/simple/rfc3161ng/
  Analyzing links from page https://pypi.org/simple/rfc3161ng/
    Skipping link https://files.pythonhosted.org/packages/85/5d/654c79a9a8f56bb525e77a15367ac7698b762780cfefc82a42a92ea69680/rfc3161ng-2.0.1-py2-none-any.whl#sha256=4ed22f42e7a6a559682c1dc841101871ac45bfa2fac2d76bf7df1bc9081a7617 (from https://pypi.org/simple/rfc3161ng/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/0d/26/af96362c137fde60a773503be5ff51bf925315f939b0279f7ed21541667b/rfc3161ng-2.0.1.tar.gz#sha256=640b12d5ee20147f0e1746da6675d9442d4ba264e2e3a4f57af9787d7b8779db (from https://pypi.org/simple/rfc3161ng/), version: 2.0.1
    Skipping link https://files.pythonhosted.org/packages/27/d9/d1f9c7abd5a185a667fe5b1cff7e250b93f144f9f538541ac238486bd89f/rfc3161ng-2.0.2-py2-none-any.whl#sha256=0a67320aec2e2c929886ab4aaa35081a1b8bc300d7cfc3ec3a8b7ec4ca2d1cbc (from https://pypi.org/simple/rfc3161ng/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/4c/1c/5c02ebe3b747e88ab4ec73b3ff2e95dba557d5e19d428e3ae6710f4cc9ab/rfc3161ng-2.0.2.tar.gz#sha256=b73627b2223f67e8d666487f8ec5b71e94e8000a327b2365b633b115396171b2 (from https://pypi.org/simple/rfc3161ng/), version: 2.0.2
    Found link https://files.pythonhosted.org/packages/3a/a9/2eac2f042e886516b57f3cff9e66afc7388f4f8e07292418bb26ea41ee06/rfc3161ng-2.0.3-py2.py3-none-any.whl#sha256=a6d62621c294e2580055e52cfead61f28c461aedae4f95a38aa6f4aeb35f4f3b (from https://pypi.org/simple/rfc3161ng/), version: 2.0.3
    Found link https://files.pythonhosted.org/packages/2d/90/d265a5c66f6ef4c3e55b7c59829a0c6215b8b0281698c5ba1ee041edb901/rfc3161ng-2.0.3.tar.gz#sha256=91ad1bfd531064ac623cf7e27d2b78e82cc3803a76a99554e2f8e99f5b7ace0e (from https://pypi.org/simple/rfc3161ng/), version: 2.0.3
    Found link https://files.pythonhosted.org/packages/31/9c/91fce4fd891d94b213036b90a937ced59c56596f27857b4833baeb30f4bf/rfc3161ng-2.0.4-py2.py3-none-any.whl#sha256=dc16c928e42266b379257f205ca528584be23a3f0a3b761a4ca280c272c057c6 (from https://pypi.org/simple/rfc3161ng/), version: 2.0.4
    Found link https://files.pythonhosted.org/packages/57/ad/d24a6d180b321afb90fe04b738062a57b582e3bb5f38ea9c32d9da5e71ae/rfc3161ng-2.0.4.tar.gz#sha256=0499be0a6b32a5c4949a64de2b34824897c100303d3e5dbd675f2bb694f216ad (from https://pypi.org/simple/rfc3161ng/), version: 2.0.4
    Found link https://files.pythonhosted.org/packages/e9/81/13d8d1cb52f8d38e7cb40b793f783096c07ebaa672f03acfa07cf1e8c713/rfc3161ng-2.1.0-py2.py3-none-any.whl#sha256=e0c867c5440c72b01cebcef609333152ddc8c5dda642112c5a46ab6a3232426c (from https://pypi.org/simple/rfc3161ng/), version: 2.1.0
    Found link https://files.pythonhosted.org/packages/f5/76/d0ab1ea2d72e4fdfda6fac60b186304ccb93d11147ceb28c50f50efc7b91/rfc3161ng-2.1.0.tar.gz#sha256=a34b841037ff7d7f18c09ec591252b2382c47d47f45da89827f09fa8ed656c9c (from https://pypi.org/simple/rfc3161ng/), version: 2.1.0
    Found link https://files.pythonhosted.org/packages/12/ea/62d470cc7cdd1210c82798491038b7fab1e4cf5a1704ce96f82cd7ac4011/rfc3161ng-2.1.1-py2.py3-none-any.whl#sha256=fd7f887efc993a5a2985a14311fc5e720ae840451e743d2adecbd83be6e27670 (from https://pypi.org/simple/rfc3161ng/), version: 2.1.1
    Found link https://files.pythonhosted.org/packages/78/56/5130d8176179627ffd6e5a69d119c5c086351958f52d02a745e8865ff46f/rfc3161ng-2.1.1.tar.gz#sha256=1fe2ec30466d2608fa61f140da3f1e06e8017d6b9f2d5976a906d26638b7b6c5 (from https://pypi.org/simple/rfc3161ng/), version: 2.1.1
  Using version 2.1.1 (newest of versions: 2.1.1)
  Created temporary directory: /tmp/pip-unpack-l28eot6i
  Downloading https://files.pythonhosted.org/packages/12/ea/62d470cc7cdd1210c82798491038b7fab1e4cf5a1704ce96f82cd7ac4011/rfc3161ng-2.1.1-py2.py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/12/ea/62d470cc7cdd1210c82798491038b7fab1e4cf5a1704ce96f82cd7ac4011/rfc3161ng-2.1.1-py2.py3-none-any.whl#sha256=fd7f887efc993a5a2985a14311fc5e720ae840451e743d2adecbd83be6e27670 (from https://pypi.org/simple/rfc3161ng/)
  Saved /tmp/tmpzhbs983u/rfc3161ng-2.1.1-py2.py3-none-any.whl
  Added rfc3161ng==2.1.1 from https://files.pythonhosted.org/packages/12/ea/62d470cc7cdd1210c82798491038b7fab1e4cf5a1704ce96f82cd7ac4011/rfc3161ng-2.1.1-py2.py3-none-any.whl#sha256=fd7f887efc993a5a2985a14311fc5e720ae840451e743d2adecbd83be6e27670 to build tracker '/tmp/pip-req-tracker-dbsmg31l'
  Removed rfc3161ng==2.1.1 from https://files.pythonhosted.org/packages/12/ea/62d470cc7cdd1210c82798491038b7fab1e4cf5a1704ce96f82cd7ac4011/rfc3161ng-2.1.1-py2.py3-none-any.whl#sha256=fd7f887efc993a5a2985a14311fc5e720ae840451e743d2adecbd83be6e27670 from build tracker '/tmp/pip-req-tracker-dbsmg31l'
Skipping rfc3161ng, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-a2fv9az8/rfc3161ng
Removed build tracker '/tmp/pip-req-tracker-dbsmg31l'