Created temporary directory: /tmp/pip-ephem-wheel-cache-pfsa1mu4
Created temporary directory: /tmp/pip-req-tracker-parhlmvj
Created requirements tracker '/tmp/pip-req-tracker-parhlmvj'
Created temporary directory: /tmp/pip-wheel-q1q6aupd
Collecting btrdb==4.11.2
  1 location(s) to search for versions of btrdb:
  * https://pypi.org/simple/btrdb/
  Getting page https://pypi.org/simple/btrdb/
  Analyzing links from page https://pypi.org/simple/btrdb/
    Found link https://files.pythonhosted.org/packages/5b/69/f07b1736a65a9ca95dd392ffa85ae4770fb0a4456e12295bc178d88f0b6d/btrdb-0.1.tar.gz#sha256=d81999e7f4ba050a26791f330c175c1b1c57a010e77590c4857f9016421f0a86 (from https://pypi.org/simple/btrdb/), version: 0.1
    Found link https://files.pythonhosted.org/packages/2c/c5/7136e93569e478071276f0cda845d1e893efc11cb1d8441f757377ba0b60/btrdb-0.2.tar.gz#sha256=3ec09444f7186c919360d4f1d8d71db4279da6a6eeedc56b4f9987fdbd82f58d (from https://pypi.org/simple/btrdb/), version: 0.2
    Found link https://files.pythonhosted.org/packages/08/e5/0760e4d5db1307d534d7f2e1cdcee8aeb48159ed0ecd02e4ee52321dbb81/btrdb-4.11.2-py3-none-any.whl#sha256=1b81194021b30a56f1c8c3f358dcfeac0023bfcc98c605ae929777cc7f316a92 (from https://pypi.org/simple/btrdb/), version: 4.11.2
    Found link https://files.pythonhosted.org/packages/3f/d2/2def48272e438416296ada8d8b29a248be27d7a9711316a2ec7094278014/btrdb-4.11.2.tar.gz#sha256=0b7c604ac910ff98a25b06d21ed6b4d1a9967083399e33c8e27f37e6ac481b11 (from https://pypi.org/simple/btrdb/), version: 4.11.2
  Using version 4.11.2 (newest of versions: 4.11.2)
  Created temporary directory: /tmp/pip-unpack-l79yrqec
  Downloading https://files.pythonhosted.org/packages/08/e5/0760e4d5db1307d534d7f2e1cdcee8aeb48159ed0ecd02e4ee52321dbb81/btrdb-4.11.2-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/08/e5/0760e4d5db1307d534d7f2e1cdcee8aeb48159ed0ecd02e4ee52321dbb81/btrdb-4.11.2-py3-none-any.whl#sha256=1b81194021b30a56f1c8c3f358dcfeac0023bfcc98c605ae929777cc7f316a92 (from https://pypi.org/simple/btrdb/)
  Saved /tmp/tmp_wc6a9vf/btrdb-4.11.2-py3-none-any.whl
  Added btrdb==4.11.2 from https://files.pythonhosted.org/packages/08/e5/0760e4d5db1307d534d7f2e1cdcee8aeb48159ed0ecd02e4ee52321dbb81/btrdb-4.11.2-py3-none-any.whl#sha256=1b81194021b30a56f1c8c3f358dcfeac0023bfcc98c605ae929777cc7f316a92 to build tracker '/tmp/pip-req-tracker-parhlmvj'
  Removed btrdb==4.11.2 from https://files.pythonhosted.org/packages/08/e5/0760e4d5db1307d534d7f2e1cdcee8aeb48159ed0ecd02e4ee52321dbb81/btrdb-4.11.2-py3-none-any.whl#sha256=1b81194021b30a56f1c8c3f358dcfeac0023bfcc98c605ae929777cc7f316a92 from build tracker '/tmp/pip-req-tracker-parhlmvj'
Skipping btrdb, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-q1q6aupd/btrdb
Removed build tracker '/tmp/pip-req-tracker-parhlmvj'