Created temporary directory: /tmp/pip-ephem-wheel-cache-zd3qnjyq
Created temporary directory: /tmp/pip-req-tracker-0odtfcs2
Created requirements tracker '/tmp/pip-req-tracker-0odtfcs2'
Created temporary directory: /tmp/pip-wheel-2ae9ja9i
Collecting fstr==0.1.0a2
  1 location(s) to search for versions of fstr:
  * https://pypi.org/simple/fstr/
  Getting page https://pypi.org/simple/fstr/
  Analyzing links from page https://pypi.org/simple/fstr/
    Skipping link https://files.pythonhosted.org/packages/cc/e2/4d16ea4374db2d0ce3569072e7010f0774798f39765f92ed72689dde17c2/fstr-0.1.0a1-py2-none-any.whl#sha256=b51a008afacdec85273009700cb5f0f88da3678531037ed19ad7037af73d8705 (from https://pypi.org/simple/fstr/); it is not compatible with this Python
    Found link https://files.pythonhosted.org/packages/2a/3e/1f740be2282e344e19aa5afffccfe385f93859afe61e28d8af6b43423012/fstr-0.1.0a1.tar.gz#sha256=25025ac74d6a304797f06c4278bae063adb47e5e3f52d68255848bd203c88a50 (from https://pypi.org/simple/fstr/), version: 0.1.0a1
    Found link https://files.pythonhosted.org/packages/61/21/57edec2a033ca59065e3bb51fa7364d10b2e4ccf4a15d5e61e3c0424b4dd/fstr-0.1.0a2-py3-none-any.whl#sha256=bd4b6e3b8fe7ff33a761fec109165ca990704b4a4c164171749a6842e9122488 (from https://pypi.org/simple/fstr/), version: 0.1.0a2
    Found link https://files.pythonhosted.org/packages/e8/19/d3f61d1ff62559f4fce0abcfe969d6d71865f391f1890305d0292664a7a8/fstr-0.1.0a2.tar.gz#sha256=c9ea83f18ad7e10e3f3d0b53a18fb2d9134ccd9c6c9f4998bde9022dd783ad9b (from https://pypi.org/simple/fstr/), version: 0.1.0a2
  Using version 0.1.0a2 (newest of versions: 0.1.0a2)
  Created temporary directory: /tmp/pip-unpack-6uczjpj2
  Downloading https://files.pythonhosted.org/packages/61/21/57edec2a033ca59065e3bb51fa7364d10b2e4ccf4a15d5e61e3c0424b4dd/fstr-0.1.0a2-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/61/21/57edec2a033ca59065e3bb51fa7364d10b2e4ccf4a15d5e61e3c0424b4dd/fstr-0.1.0a2-py3-none-any.whl#sha256=bd4b6e3b8fe7ff33a761fec109165ca990704b4a4c164171749a6842e9122488 (from https://pypi.org/simple/fstr/)
  Saved /tmp/tmpf8lg8qge/fstr-0.1.0a2-py3-none-any.whl
  Added fstr==0.1.0a2 from https://files.pythonhosted.org/packages/61/21/57edec2a033ca59065e3bb51fa7364d10b2e4ccf4a15d5e61e3c0424b4dd/fstr-0.1.0a2-py3-none-any.whl#sha256=bd4b6e3b8fe7ff33a761fec109165ca990704b4a4c164171749a6842e9122488 to build tracker '/tmp/pip-req-tracker-0odtfcs2'
  Removed fstr==0.1.0a2 from https://files.pythonhosted.org/packages/61/21/57edec2a033ca59065e3bb51fa7364d10b2e4ccf4a15d5e61e3c0424b4dd/fstr-0.1.0a2-py3-none-any.whl#sha256=bd4b6e3b8fe7ff33a761fec109165ca990704b4a4c164171749a6842e9122488 from build tracker '/tmp/pip-req-tracker-0odtfcs2'
Skipping fstr, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-2ae9ja9i/fstr
Removed build tracker '/tmp/pip-req-tracker-0odtfcs2'