Created temporary directory: /tmp/pip-ephem-wheel-cache-g9_7rpj0
Created temporary directory: /tmp/pip-req-tracker-8deozlgx
Created requirements tracker '/tmp/pip-req-tracker-8deozlgx'
Created temporary directory: /tmp/pip-wheel-yulst0i2
Collecting catkin-tools==0.6.1
  1 location(s) to search for versions of catkin-tools:
  * https://pypi.org/simple/catkin-tools/
  Getting page https://pypi.org/simple/catkin-tools/
  Analyzing links from page https://pypi.org/simple/catkin-tools/
    Found link https://files.pythonhosted.org/packages/13/81/5ea0fe05ce01623b27aef083c97e77e5685dfc5d243319d858a186ea8e6d/catkin_tools-0.1.0.tar.gz#sha256=5da7fa27e29c2e2f86b9a4d4a18f4507da9b82282583d846b4f4ac265259dedf (from https://pypi.org/simple/catkin-tools/), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/c2/62/0a763c1b4cd958e5ae9b4d7e641886ad7d249619503ed4821b849682395a/catkin_tools-0.2.0.tar.gz#sha256=30e13401a81037f8776413b065a6edd238d0beb3667febcc213472b843268d77 (from https://pypi.org/simple/catkin-tools/), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/6c/be/be93ebb78d51baadc24cb864ee040b7a82212d4bc2194375b1806b1255ba/catkin_tools-0.2.1.tar.gz#sha256=1c2867a18e482a205173fa08ec05964fa9d46d22f2524463ec68f6484718560a (from https://pypi.org/simple/catkin-tools/), version: 0.2.1
    Found link https://files.pythonhosted.org/packages/3d/0e/33180f4da7fc7c87e2deac78a0d3559e79ff5e1217416834b256621b8305/catkin_tools-0.2.2.tar.gz#sha256=c8ecb2534f36681a4a5a7c5bc1d0fb4da44e4f75ddf08697206a3e7cbce85041 (from https://pypi.org/simple/catkin-tools/), version: 0.2.2
    Found link https://files.pythonhosted.org/packages/76/99/5f5fb24234161202d4e2b8fbd82c9fce8f85494651f63a1ba1e4fb4170e9/catkin_tools-0.3.0.tar.gz#sha256=c350fc15b288b7699ee2225939d24cecc0188f9aeb5f49473dc39c2c75461484 (from https://pypi.org/simple/catkin-tools/), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/e7/4f/c00f4efbae3403a7b13ce5f550b5e0ce8c7de7fcb763e2100519d3ec11ae/catkin_tools-0.3.1.tar.gz#sha256=c706b4fd663f669b97525e6cf61fadb1885cf14ceb7a3d5cd652bc7be75c5f18 (from https://pypi.org/simple/catkin-tools/), version: 0.3.1
    Found link https://files.pythonhosted.org/packages/f9/5c/8580bdec0ed867f323bf483ceeeb24e67cb9ba65b30809493684b0ceb1d4/catkin_tools-0.4.0.tar.gz#sha256=9fb328027acf6c4042b5dc299e6a28560b603c9dd286772074f741ad37db6bfa (from https://pypi.org/simple/catkin-tools/), version: 0.4.0
    Found link https://files.pythonhosted.org/packages/c3/e0/6b75e8e92011368de03dc28b06ee1a79bb41304c933666356b23139bf163/catkin_tools-0.4.1.tar.gz#sha256=b52f48f9e5e3d741b8f57c5217d2d09b38d0511354f834f5e2eb2c2b184d0aaf (from https://pypi.org/simple/catkin-tools/), version: 0.4.1
    Found link https://files.pythonhosted.org/packages/2e/53/2b1bd541e5454e3ade3bbf0c3a3e4df37f4b085a674798739d93f87d095f/catkin_tools-0.4.2.tar.gz#sha256=ee2dd6d89f4fe8be9bb220638b727cfd5440bc87597928977ec1a5c709ecd47b (from https://pypi.org/simple/catkin-tools/), version: 0.4.2
    Found link https://files.pythonhosted.org/packages/aa/b4/704a49106535a706049f8632c6fbcc9964ba1bfd2360b153f93bea9f0304/catkin_tools-0.4.3.tar.gz#sha256=7b2da46f6d24c827c69b8ed9aeee8fd1ba2312bac765dc4f0be2b067f3b914af (from https://pypi.org/simple/catkin-tools/), version: 0.4.3
    Found link https://files.pythonhosted.org/packages/f0/d5/9d10957855b7b693edadee37ceeeb85f6df3a2b807970e4d0034a3870cc1/catkin_tools-0.4.4.tar.gz#sha256=01a46d5123024957f55f8040ce219ecaa753a4f0c4605b0a854b85a0b5bef369 (from https://pypi.org/simple/catkin-tools/), version: 0.4.4
    Found link https://files.pythonhosted.org/packages/67/02/b9f4366e88ffd90aa84eea97624ac5f6991e88f5cb3b0dc598f83035b857/catkin_tools-0.4.5-py3-none-any.whl#sha256=9c1a148be97317388cf445c5522aa3d3b4480f48c8faadefe71b20f005317da9 (from https://pypi.org/simple/catkin-tools/), version: 0.4.5
    Found link https://files.pythonhosted.org/packages/1c/9a/d5c2cd6178dd6a66744a28e185a9a124b4284a49759b5427024f27d6afe1/catkin_tools-0.4.5.tar.gz#sha256=50ebfd047a74e657cb1f3e150976355e23afbda519c4cecf63d7f548477730c3 (from https://pypi.org/simple/catkin-tools/), version: 0.4.5
    The package https://files.pythonhosted.org/packages/7f/3c/089b35e5badee2d03fed9f10fab626ab49ecd2ec5c8b250325023c5f451a/catkin_tools-0.5.0-py3-none-any.whl#sha256=fa96ace520cab7b857393538da0f17964f28dbb3f8ff69c85e71b06b367386e2 (from https://pypi.org/simple/catkin-tools/) (requires-python:>=3.5) is incompatible with the pythonversion in use. Acceptable python versions are:>=3.5
    The package https://files.pythonhosted.org/packages/84/fb/c92f2be4dfa06662bc15de054a44497920e5343bf7500283c079f6341db7/catkin_tools-0.5.0.tar.gz#sha256=5c27057be05e33023534276968d79acad60e4d574ec0815c90339354a7440e25 (from https://pypi.org/simple/catkin-tools/) (requires-python:>=3.5) is incompatible with the pythonversion in use. Acceptable python versions are:>=3.5
    Found link https://files.pythonhosted.org/packages/1f/fb/abbcf631198809285e2991a912412d33e973de5ebbe961d4f25bd1308641/catkin_tools-0.6.0-py3-none-any.whl#sha256=b415bd2829c186666ec62712c653a7d3fcf567ec4b28d645e0f88e7f03314c0f (from https://pypi.org/simple/catkin-tools/), version: 0.6.0
    Found link https://files.pythonhosted.org/packages/28/20/2004df0da3e87e6d5d29a28052621cbbac9bb05374ee0d5e0cbd1b5b29da/catkin_tools-0.6.0.tar.gz#sha256=772d02deb2256871e02d7522df7030a295d8864d6b467762c2adb73236a850d6 (from https://pypi.org/simple/catkin-tools/), version: 0.6.0
    Found link https://files.pythonhosted.org/packages/c6/0b/4da9de72190e3d216c128e53f50d3e5005cdea4d42b58ea528c6af5027d9/catkin_tools-0.6.1-py3-none-any.whl#sha256=7f0f5471cb1fbb9a71fc45060c1badbc2cddd0220b52ee4a360716f38d10fca8 (from https://pypi.org/simple/catkin-tools/), version: 0.6.1
    Found link https://files.pythonhosted.org/packages/b1/fa/ce387115b72eedcfef2ce6129aaaf07e1bfac46d434a355e3284c6440389/catkin_tools-0.6.1.tar.gz#sha256=8a8e9482b5b03dcfe87a9e3cf9fd6d5937564b49ab71ebc99f71061faf72605b (from https://pypi.org/simple/catkin-tools/), version: 0.6.1
  Using version 0.6.1 (newest of versions: 0.6.1)
  Created temporary directory: /tmp/pip-unpack-yvzf5rkj
  Downloading https://files.pythonhosted.org/packages/c6/0b/4da9de72190e3d216c128e53f50d3e5005cdea4d42b58ea528c6af5027d9/catkin_tools-0.6.1-py3-none-any.whl (382kB)
  Downloading from URL https://files.pythonhosted.org/packages/c6/0b/4da9de72190e3d216c128e53f50d3e5005cdea4d42b58ea528c6af5027d9/catkin_tools-0.6.1-py3-none-any.whl#sha256=7f0f5471cb1fbb9a71fc45060c1badbc2cddd0220b52ee4a360716f38d10fca8 (from https://pypi.org/simple/catkin-tools/)
  Saved /tmp/tmp8l5p1z7v/catkin_tools-0.6.1-py3-none-any.whl
  Added catkin-tools==0.6.1 from https://files.pythonhosted.org/packages/c6/0b/4da9de72190e3d216c128e53f50d3e5005cdea4d42b58ea528c6af5027d9/catkin_tools-0.6.1-py3-none-any.whl#sha256=7f0f5471cb1fbb9a71fc45060c1badbc2cddd0220b52ee4a360716f38d10fca8 to build tracker '/tmp/pip-req-tracker-8deozlgx'
  Removed catkin-tools==0.6.1 from https://files.pythonhosted.org/packages/c6/0b/4da9de72190e3d216c128e53f50d3e5005cdea4d42b58ea528c6af5027d9/catkin_tools-0.6.1-py3-none-any.whl#sha256=7f0f5471cb1fbb9a71fc45060c1badbc2cddd0220b52ee4a360716f38d10fca8 from build tracker '/tmp/pip-req-tracker-8deozlgx'
Skipping catkin-tools, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-yulst0i2/catkin-tools
Removed build tracker '/tmp/pip-req-tracker-8deozlgx'