Created temporary directory: /tmp/pip-ephem-wheel-cache-o9vcrsf1
Created temporary directory: /tmp/pip-req-tracker-mx8uz1u5
Created requirements tracker '/tmp/pip-req-tracker-mx8uz1u5'
Created temporary directory: /tmp/pip-wheel-qmg9mear
Looking in indexes: https://pypi.python.org/simple
Collecting colcon-core==0.3.9
  1 location(s) to search for versions of colcon-core:
  * https://pypi.python.org/simple/colcon-core/
  Getting page https://pypi.python.org/simple/colcon-core/
  Analyzing links from page https://pypi.org/simple/colcon-core/
    Found link https://files.pythonhosted.org/packages/b6/d9/bdca03414fe242f03ee9cbaac2da9276723ee23866f167bbf0f9d7f9857d/colcon-core-0.1.0.tar.gz#sha256=ba3bf0ef4dd07ff755fe03aebeb3d38da0f6fed05a52671dd7a4ce0708a7f804 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/f4/04/ec7caf58721c97fd03b9007bbee5f2d5dd6a3847ce2597127d3ecf6392b7/colcon_core-0.1.0-py3-none-any.whl#sha256=a2d645a67d99585c008b873df51fbbb25d040e7ee3add9342d0e2fb7d98bd527 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.1.0
    Found link https://files.pythonhosted.org/packages/7b/75/7e1d91c5af2d19872f03355b68bc81fc3c878e482ccf4085eda5b6bdc6c9/colcon-core-0.2.0.tar.gz#sha256=459c689907c8d2d0528aba5cfbcfd0b555f26c5f6180214bafe3e2c422febcf7 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/0f/4e/f9104e313ac8a65cc7ae5ac8aecd315afc785ac87cb51d81988b169e2264/colcon_core-0.2.0-py3-none-any.whl#sha256=e942c9f982d4cb01707783e653fc2930e7c0ec8028608d3f89700f147e11ca34 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.2.0
    Found link https://files.pythonhosted.org/packages/87/66/0ecb7d017f4ff29da599879c9484ed79862b20c233991438b552ffee9fff/colcon-core-0.2.1.tar.gz#sha256=efeb80415d8128535fbf4af3048b633fe7c73fe9c936d8c0a41343162400c1f1 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.2.1
    Found link https://files.pythonhosted.org/packages/9a/99/806069dc2822a7507b66263ad0ff667e8fcca400611c16fe03b6387a1be5/colcon_core-0.2.1-py3-none-any.whl#sha256=c3dac47d70deb1a6af8ca277ba23cf2efdf530a8ebe82c6c7cd065e4f076c00a (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.2.1
    Found link https://files.pythonhosted.org/packages/34/de/dfec2e9721d67ce98474c790d428f0104a8e6ef1d034986a316edfbf5387/colcon-core-0.2.2.tar.gz#sha256=18767da2134163f9c06f28553e696ea79a97243de88c646e1f4a198cf1d0f6b3 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.2.2
    Found link https://files.pythonhosted.org/packages/75/7d/9ae1b8687b980d68f6885c7060faace850249036180afeb69a82443ad3cb/colcon_core-0.2.2-py3-none-any.whl#sha256=392c8ec2fa0620e39d7f77ed234666bff33bdb77107fbb1ce81166431c1985d7 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.2.2
    Found link https://files.pythonhosted.org/packages/87/51/caba58c99d3f384847e5309542aa50bb79bfe8df9623b4bf8d2cf11873f4/colcon-core-0.2.3.tar.gz#sha256=abd92a52be1f93fac6d7b56070418bb556168f0ae216b6af88a9de0abe4561be (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.2.3
    Found link https://files.pythonhosted.org/packages/9b/c2/a7a4c673789a266c1ce9d54b5ff2fd9c525f0513fb9f2127a988466962be/colcon_core-0.2.3-py3-none-any.whl#sha256=b257bae68b4eef9cc73156807c5d84d89baafbd53bd5db445e5a59cf3dbbb9e7 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.2.3
    Found link https://files.pythonhosted.org/packages/3a/ed/620b9d7a9571f738a5187bcb1401783e6f89f60dcbdf0b63fb9b44a43d41/colcon-core-0.3.0.tar.gz#sha256=a19c87e3c72631f4a90f220c3c3da1fe55875280ff796d0767ae4b2b7f1a1131 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/dd/42/af042eb91c375df405ec4beef6963bdff5f592db4d172965a5d75cc742a6/colcon_core-0.3.0-py3-none-any.whl#sha256=17e482322e5347ea41f1bfb9bb87092b8fac80c1913c83de0865537fa505efca (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.0
    Found link https://files.pythonhosted.org/packages/8d/c1/89f453fca85de975f1971a1c511274a20cdbffc7b2687971feee297af5d4/colcon-core-0.3.1.tar.gz#sha256=34ae7bdfa5a2afe2884f53200c3e55e431c5f9359140d5e35b876613761b8a23 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.1
    Found link https://files.pythonhosted.org/packages/df/b5/6fd03c236d6576a41a880b43465777d38e58a53cbcd0ab5fa8039e2936c5/colcon_core-0.3.1-py3-none-any.whl#sha256=53e60b454cdfc891acc5754068e24ff1dd779cdefc7211019e57a5d5394642bf (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.1
    Found link https://files.pythonhosted.org/packages/9a/54/1119b532e194bf9468f4ece655bba981f3f511963a4579cdc486d865cb7b/colcon-core-0.3.2.tar.gz#sha256=c11a0d87659a762e16c98c8636845a0c7ea22041f6d989ec86393cfe578bf608 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.2
    Found link https://files.pythonhosted.org/packages/58/21/611e2a3680829a9b254a559067b1fbdc35a6bc2b443738c943a254c60ba1/colcon_core-0.3.2-py3-none-any.whl#sha256=7c77e41da76b59f41c0153749f91bbd6a9471e6f97eb58ad0a398de765374a89 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.2
    Found link https://files.pythonhosted.org/packages/bb/92/360ab8d576c8877b41b2e3ae92a39fd8fec2b5c1a3f8d662b1fa2ec494f7/colcon-core-0.3.3.tar.gz#sha256=840d96a59a4cb22c46e475c374022246a6d51e02730f811e1a5a9910282eff21 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.3
    Found link https://files.pythonhosted.org/packages/42/ed/53b24db08682c5cedfc08ecfcd5776fce6475b8a4a5a77602ccae8006b9d/colcon_core-0.3.3-py3-none-any.whl#sha256=855b52a846d838778b0cad2e3bec39bc53f403869b188298a94a2e71b46a6293 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.3
    Found link https://files.pythonhosted.org/packages/36/4f/ddb17805659839aad7d0d2b3f7ca504d5e69424c2ea44b50ce0650392e13/colcon-core-0.3.4.tar.gz#sha256=75bccc01e26336d61ac5a85753cca83aae7c806536009ac7eedd3472a20972b1 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.4
    Found link https://files.pythonhosted.org/packages/01/3f/34cbc90c759a617dadc51082d13dd95d467652f39c980cc4c2fc65d39f31/colcon_core-0.3.4-py3-none-any.whl#sha256=736685f9126c848d3e32fd765b00961bdd3d86a0efcd6cc6cc79878e7b521904 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.4
    Found link https://files.pythonhosted.org/packages/5e/3e/9b21d60fa021181bff19bee99a028c5e967004617957d6898e055d96f480/colcon-core-0.3.5.tar.gz#sha256=5c82bbcd2625688ee1a1f05cbedc63bd37bc356addfa61e05e2036fc31a37efa (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.5
    Found link https://files.pythonhosted.org/packages/23/ef/930a58446ee7a6fb1503a6c1ac544fd398fb972efab811433ec1152320dc/colcon_core-0.3.5-py3-none-any.whl#sha256=39c670b8d696a002de02fcc7350c4ef64cd808dbf2e6b7f692f19613674c15e3 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.5
    Found link https://files.pythonhosted.org/packages/ba/4b/44713f616d72f04b8b33e71f4d3e72bd9f0b288db45525439a8c2b5b2df7/colcon-core-0.3.6.tar.gz#sha256=82adc6f751e75c749ce8e3251c21d88fbc5e1bdd8718fd5badb6243a622b87de (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.6
    Found link https://files.pythonhosted.org/packages/c6/2b/443b2b5cf3b38382310e52213604dad9a014b9b6911264773e59ef3dfb99/colcon_core-0.3.6-py3-none-any.whl#sha256=f1c30b3efff1ae6b7050036b0c1e644680a72da4862105ee516e7093ebb52c13 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.6
    Found link https://files.pythonhosted.org/packages/05/ea/697e942c3556800985341a5263910101ab21376e8334fef12f2f4f37cd09/colcon-core-0.3.7.tar.gz#sha256=527027611ddc8537ab10e800cddf8717abc325f35184cd75e1de2b216275223e (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.7
    Found link https://files.pythonhosted.org/packages/cc/b9/c602abf9b79de3a6f4f3c932e1b4e442c5e8e16cca6b0bafae60168df0a2/colcon_core-0.3.7-py3-none-any.whl#sha256=fe5e820e98824bca5b85b1932d970c5a9edadd41db5174503f38b19cfff7736b (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.7
    Found link https://files.pythonhosted.org/packages/eb/4d/54b7efa681c68eb030e358f62de0e0c3b156ad86ee860832e4ee41401185/colcon-core-0.3.8.tar.gz#sha256=681fa7c086a5f4fe146ac79215c2c42bb3fda531506770fc69937fae4298c93d (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.8
    Found link https://files.pythonhosted.org/packages/f5/76/9f7b28f4fa877ed3863ae38adb98996ea36f23e2b4ee6d95817b10a4cc5d/colcon_core-0.3.8-py3-none-any.whl#sha256=d70b503f053aaba789c691753fab055711f2a60a75482817723ae6a0ba61c51e (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.8
    Found link https://files.pythonhosted.org/packages/a8/29/f0619d5d3514709b3f201589bf8149079ce3bdc1a0f5eba70609cd9665f3/colcon-core-0.3.9.tar.gz#sha256=e7ba8f9e7327d3ca120671a0648332df4361d245ad52f7de2e000dbf9c1016a5 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.9
    Found link https://files.pythonhosted.org/packages/93/6e/1e12a1bff703b6810996356064814c3eed74cc96a69386b59e568cd7f3ac/colcon_core-0.3.9-py3-none-any.whl#sha256=b895fd2a7e0fa6c6dd4de172fdc2f0f3d961f35039272673c7330dd72d8aaa16 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5), version: 0.3.9
  Using version 0.3.9 (newest of versions: 0.3.9)
  Created temporary directory: /tmp/pip-unpack-8zhofvum
  Downloading https://files.pythonhosted.org/packages/93/6e/1e12a1bff703b6810996356064814c3eed74cc96a69386b59e568cd7f3ac/colcon_core-0.3.9-py3-none-any.whl (91kB)
  Downloading from URL https://files.pythonhosted.org/packages/93/6e/1e12a1bff703b6810996356064814c3eed74cc96a69386b59e568cd7f3ac/colcon_core-0.3.9-py3-none-any.whl#sha256=b895fd2a7e0fa6c6dd4de172fdc2f0f3d961f35039272673c7330dd72d8aaa16 (from https://pypi.org/simple/colcon-core/) (requires-python:>=3.5)
  Saved /tmp/tmpc772y9u2/colcon_core-0.3.9-py3-none-any.whl
  Added colcon-core==0.3.9 from https://files.pythonhosted.org/packages/93/6e/1e12a1bff703b6810996356064814c3eed74cc96a69386b59e568cd7f3ac/colcon_core-0.3.9-py3-none-any.whl#sha256=b895fd2a7e0fa6c6dd4de172fdc2f0f3d961f35039272673c7330dd72d8aaa16 to build tracker '/tmp/pip-req-tracker-mx8uz1u5'
  Removed colcon-core==0.3.9 from https://files.pythonhosted.org/packages/93/6e/1e12a1bff703b6810996356064814c3eed74cc96a69386b59e568cd7f3ac/colcon_core-0.3.9-py3-none-any.whl#sha256=b895fd2a7e0fa6c6dd4de172fdc2f0f3d961f35039272673c7330dd72d8aaa16 from build tracker '/tmp/pip-req-tracker-mx8uz1u5'
Skipping colcon-core, due to already being wheel.
Cleaning up...
  Removing source in /tmp/pip-wheel-qmg9mear/colcon-core
Removed build tracker '/tmp/pip-req-tracker-mx8uz1u5'