Created temporary directory: /tmp/pip-ephem-wheel-cache-w2f2cp00
Created temporary directory: /tmp/pip-wheel-_6paeqv0
Looking in indexes: https://pypi.python.org/simple
Collecting futhark-ffi==0.6.1b1
  1 location(s) to search for versions of futhark-ffi:
  * https://pypi.python.org/simple/futhark-ffi/
  Getting page https://pypi.python.org/simple/futhark-ffi/
  Analyzing links from page https://pypi.org/simple/futhark-ffi/
    Found link https://files.pythonhosted.org/packages/53/79/73c67c5c755fff1fc7c5741c061d9eaf3007b59274056424588fdcb96951/futhark_ffi-0.6.1b1-py3-none-any.whl#sha256=4fe42d842296ae3fe11eda59b8fc4c1063fcabc6be446dd08945c7dffa2b9b67 (from https://pypi.org/simple/futhark-ffi/), version: 0.6.1b1
    Skipping link https://files.pythonhosted.org/packages/d4/ac/59532054406bcae2d72d29ea606efc11f8c8178c622e791aa391e3b2a77e/futhark_ffi-0.6.1b1-py3.6.egg#sha256=282c85f8bf1e6560fee351b9c7e5c1e841341d94fcd33f9272be4b14a5227bdf (from https://pypi.org/simple/futhark-ffi/); unsupported archive format: .egg
    Found link https://files.pythonhosted.org/packages/a1/f1/c87d0653ae161e00bfd39d60d61fa6ca750bfac229fedf8a43f76fbfcfdf/futhark_ffi-0.6.1b1.tar.gz#sha256=cec201b54d76abf73cd47b43cdb96246d7ffd933a3ef166ac7cb461e8f2d4b44 (from https://pypi.org/simple/futhark-ffi/), version: 0.6.1b1
  Using version 0.6.1b1 (newest of versions: 0.6.1b1)
  Created temporary directory: /tmp/pip-unpack-89s239yl
  Downloading https://files.pythonhosted.org/packages/53/79/73c67c5c755fff1fc7c5741c061d9eaf3007b59274056424588fdcb96951/futhark_ffi-0.6.1b1-py3-none-any.whl
  Downloading from URL https://files.pythonhosted.org/packages/53/79/73c67c5c755fff1fc7c5741c061d9eaf3007b59274056424588fdcb96951/futhark_ffi-0.6.1b1-py3-none-any.whl#sha256=4fe42d842296ae3fe11eda59b8fc4c1063fcabc6be446dd08945c7dffa2b9b67 (from https://pypi.org/simple/futhark-ffi/)
  Saved /tmp/tmpq9dm88io/futhark_ffi-0.6.1b1-py3-none-any.whl
Skipping futhark-ffi, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-_6paeqv0/futhark-ffi