2019-06-29T19:45:22 Created temporary directory: /tmp/pip-ephem-wheel-cache-hcxp6a8r
2019-06-29T19:45:22 Created temporary directory: /tmp/pip-req-tracker-2s1bvvdv
2019-06-29T19:45:22 Created requirements tracker '/tmp/pip-req-tracker-2s1bvvdv'
2019-06-29T19:45:22 Created temporary directory: /tmp/pip-wheel-9l1ccyrd
2019-06-29T19:45:22 Collecting cyflann==0.1.6
2019-06-29T19:45:22   1 location(s) to search for versions of cyflann:
2019-06-29T19:45:22   * https://pypi.org/simple/cyflann/
2019-06-29T19:45:22   Getting page https://pypi.org/simple/cyflann/
2019-06-29T19:45:22   Analyzing links from page https://pypi.org/simple/cyflann/
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/8d/fc/04ba1a14aa5dc5fc011dd1df152d5d38fe3729faa8b4ad1c5aca6b5b9b55/cyflann-0.1.0.tar.gz#sha256=456961e3afa5932344e5bec75f8057a6fbc85c786357380a1543a5ce5ef576fa (from https://pypi.org/simple/cyflann/), version: 0.1.0
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/38/90/1d38d7271ba12e7e2fd65b778f9ea0181f4f34047fa6b84fd2a417468972/cyflann-0.1.1.tar.gz#sha256=b3b9390efe5a326f87bfded1de1f1343f36650f0787601d68aefdabe84594ede (from https://pypi.org/simple/cyflann/), version: 0.1.1
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/ee/7f/6dcf4bf204afac3d2154aaad59035cb61a32604f187f489258e6ddb5afa5/cyflann-0.1.2.tar.gz#sha256=7cab8c9ae8a99bcee61d841c1993b7726df5d6e419f90cd7e7a875c03b0b2b19 (from https://pypi.org/simple/cyflann/), version: 0.1.2
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/1e/78/5ad82520623b17cdf1a4746a92fd0ce970ef6edb06b27567eef2ee33a75c/cyflann-0.1.3.tar.gz#sha256=6b926dc0f74c5aa05256bffe55790bc9ceec86f9f644660c1b928fef3288bca2 (from https://pypi.org/simple/cyflann/), version: 0.1.3
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/41/57/796ff69e2ac3734c877f07e10dc0ecae51e3444e6bcfa0b2cc5ed511975d/cyflann-0.1.4.tar.gz#sha256=0a5d38e13661e45757e94056f5c41bd268121198db5de4f201cec0a7451c4e7f (from https://pypi.org/simple/cyflann/), version: 0.1.4
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/07/f6/084bd1aae946426302b9cb6c7b608167d3161c2995d24cbddafdc4a3b90c/cyflann-0.1.5.tar.gz#sha256=1f93a3428a579499e3afe134061b3300c9b626fa2d92e4579e6c623fbc4aa147 (from https://pypi.org/simple/cyflann/), version: 0.1.5
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/82/20/4f073bcaa6a6517ccb11caa28948e1bfa0e1248e7425c598ecaaf7c88253/cyflann-0.1.6.tar.gz#sha256=9b7a485ac4180c998974980c992b74c4f1435a270b4cc0bc8acd687ce4ada3d6 (from https://pypi.org/simple/cyflann/), version: 0.1.6
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/b2/05/3b63717f63ac64294defcf23f6711b0bf5a2aaabf5698d86b183b14d0a05/cyflann-0.1.8.tar.gz#sha256=fd3426800871fb68adc9361f46096af527b8a5f312aa6ac2daf9703c084f476b (from https://pypi.org/simple/cyflann/), version: 0.1.8
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/c0/86/7eb71b3863226c1fbc421ed191c46ae6a570a8291bb106404123b297d608/cyflann-0.1.9.tar.gz#sha256=2617d0e985e14150b96547897124943c2624ff087e7a0d6820978dfdb08d412c (from https://pypi.org/simple/cyflann/), version: 0.1.9
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/03/6a/915cee9b40cb715d793f1c45350d3bec8210173b2e2ddb2c372dcf7f4c03/cyflann-0.1.10.tar.gz#sha256=3cdc6bb7b8405c9e556546066562f293bf20af737edec9aa70c4ab8a3268e794 (from https://pypi.org/simple/cyflann/), version: 0.1.10
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/5b/4b/7e0215465890c1f92861b7986678ff79483498312fec81ce1da1e1b5e464/cyflann-0.1.11.tar.gz#sha256=90c0718c833d075bbb4869e2886916950db6371163559c7d87137b4bc065004b (from https://pypi.org/simple/cyflann/), version: 0.1.11
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/b3/88/c8fed0ded2d30464fe8ab9f7ea34ad2bb69978ad91b85f0b682d32df5510/cyflann-0.1.12.tar.gz#sha256=de13a7f20939cbcea43b3a46ba7a15eea6bb09d0053c850e3cb6624a34d2dbc8 (from https://pypi.org/simple/cyflann/), version: 0.1.12
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/4c/2d/d3850198523b21ff9a8abb1369b83e9f64c52b87633c6b1979825eab4a23/cyflann-0.1.13.tar.gz#sha256=f42333cfcfca7fe1b28abe62e2862f85f06b10210c074c36a975fcb8276baf03 (from https://pypi.org/simple/cyflann/), version: 0.1.13
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/68/d0/6d4a4ce67b5b8d3e9652200287201108c817a7e7d82cedffc07510477540/cyflann-0.1.14.tar.gz#sha256=d28bd16ff72bfe28ffb364c9ea7919f5b14fc6a9d5191f8ba609010d668efeaf (from https://pypi.org/simple/cyflann/), version: 0.1.14
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/40/28/b9e9b62df59feb15a60925f3906e28245ca5957eb086d95d9977a0e28abc/cyflann-0.1.15.tar.gz#sha256=8b26b02ba57c46fe9ba80d499a53093b216d14e6fcb8f9f98e4a087dd7402144 (from https://pypi.org/simple/cyflann/), version: 0.1.15
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/ff/dc/eebf7c2622f845b3480b4921165525da6d6e7f2bfbab0ce0964b7c611d53/cyflann-0.1.16.tar.gz#sha256=8b30ceec6d42b0562528310750c08daab33f95df178733187fe7a36bda8409a0 (from https://pypi.org/simple/cyflann/), version: 0.1.16
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/cc/87/7bdda78f8429f9ae6df0017b33228e0c21c882bb3f12843874fe3fdf186a/cyflann-0.1.17.tar.gz#sha256=9d09f32f0113ae78ae4c8e86e272388bc3efe5b5634a84e937a810dc80752beb (from https://pypi.org/simple/cyflann/), version: 0.1.17
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/f9/76/9dc1edcf2a019d09178e76480d06d0c6c0f5a8117a103267d278294dc65a/cyflann-0.1.18.tar.gz#sha256=49d2331796b5674154dd438bbace5819e796b553455f9d95c438b8bdab0b1df5 (from https://pypi.org/simple/cyflann/), version: 0.1.18
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/90/d3/3ee9eb281ae6ff2d171fdf036581fc8e539bef73dc2647ee657be36afc59/cyflann-0.1.19.tar.gz#sha256=eb4f5259b78713ca7b869f237c491651bd6e9d07ab0b447dc908588d7c1fe79d (from https://pypi.org/simple/cyflann/), version: 0.1.19
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/65/45/b1f205d4c51b345757c854ad94cb3f3aa898f25241d4bfb29a52ca5c8a2c/cyflann-0.1.20.tar.gz#sha256=9401e916698da98b267f71727cb4d2907485815a2b2a096a36dbb765ecb2eb6f (from https://pypi.org/simple/cyflann/), version: 0.1.20
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/05/4b/e7459433caec7831443998d9078321c5948f2ea4f5936db5f8f8ad305ebe/cyflann-0.1.21.tar.gz#sha256=11e9bee1846746ef2c33256d4dba15272bab6f867b982b1d2d9eea2a9b57b901 (from https://pypi.org/simple/cyflann/), version: 0.1.21
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/9a/54/0be705047232993dc79b11549edffd1875229a0c01682e490ebf2916bd5f/cyflann-0.1.22.tar.gz#sha256=fc43efdf90b202cc1f06789911e4a6ec1071a9b4d35f6cc06b5eb6ec2e0bc442 (from https://pypi.org/simple/cyflann/), version: 0.1.22
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/47/de/7d33b43bbcde66bbc18ed1392d6aba0cd988a7ba81ef14f33a95c9a40438/cyflann-0.1.23.tar.gz#sha256=e97a3d024ff3009afc884accf1fe4b0b12f554d51a24564186a2b1fe40122ae4 (from https://pypi.org/simple/cyflann/), version: 0.1.23
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/a6/0c/6007f6594d28f1d5c963539c0307608fb5443bfff25fcfa44edbf1d8b756/cyflann-0.1.24.tar.gz#sha256=e113f07a340ccb41427ac8d9646cee2bfac8a839ccb80fc77b09dfc52f2bc348 (from https://pypi.org/simple/cyflann/), version: 0.1.24
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/d1/3f/4f4f9a2e9b83a48517d2513db8a32f00d2b0689e84ba040aea38225761c2/cyflann-0.2.0.tar.gz#sha256=7521c22e96f2403c01b59665dcb9f4005e789694117459fa81ca84f935fb9bae (from https://pypi.org/simple/cyflann/), version: 0.2.0
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/9e/7a/5c6126506f69d38603b96ca3b0cdf985b23325ea2336d42751f133f7a177/cyflann-0.2.1.tar.gz#sha256=54f58226382af2aa1e20031682f03f8608358750378c57f99a8b11a25ac0a7e9 (from https://pypi.org/simple/cyflann/), version: 0.2.1
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/bc/19/8034bf5674fb3948ea9cc9d465f63de4c3fa53698a93a5605a500d1ec9cc/cyflann-0.2.2.tar.gz#sha256=7f808961e3354e017614ae9514eea92c4f6b992302b363f87768b62122bc134b (from https://pypi.org/simple/cyflann/), version: 0.2.2
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/a8/a2/7976ff6e65ada17716847c6c65ffcd4e8e75c2debbbedb4b4bffe55a7fd3/cyflann-0.2.3.tar.gz#sha256=a38cfdbaf7b4005f1f6ba417186f485483f78219bec5aa95f479f38551d234ae (from https://pypi.org/simple/cyflann/), version: 0.2.3
2019-06-29T19:45:22     Found link https://files.pythonhosted.org/packages/10/df/29fc368e43c749ddfd689f199fd9735861257e5eedcc8bcc01edaabb3c0e/cyflann-0.2.4.tar.gz#sha256=361012482bc8120784324587c9f61dad1264649661f1690bee2e9f8e3ba1d3cc (from https://pypi.org/simple/cyflann/), version: 0.2.4
2019-06-29T19:45:22   Using version 0.1.6 (newest of versions: 0.1.6)
2019-06-29T19:45:22   Created temporary directory: /tmp/pip-unpack-2fla5cr5
2019-06-29T19:45:22   Downloading https://files.pythonhosted.org/packages/82/20/4f073bcaa6a6517ccb11caa28948e1bfa0e1248e7425c598ecaaf7c88253/cyflann-0.1.6.tar.gz (139kB)
2019-06-29T19:45:22   Downloading from URL https://files.pythonhosted.org/packages/82/20/4f073bcaa6a6517ccb11caa28948e1bfa0e1248e7425c598ecaaf7c88253/cyflann-0.1.6.tar.gz#sha256=9b7a485ac4180c998974980c992b74c4f1435a270b4cc0bc8acd687ce4ada3d6 (from https://pypi.org/simple/cyflann/)
2019-06-29T19:45:22   Added cyflann==0.1.6 from https://files.pythonhosted.org/packages/82/20/4f073bcaa6a6517ccb11caa28948e1bfa0e1248e7425c598ecaaf7c88253/cyflann-0.1.6.tar.gz#sha256=9b7a485ac4180c998974980c992b74c4f1435a270b4cc0bc8acd687ce4ada3d6 to build tracker '/tmp/pip-req-tracker-2s1bvvdv'
2019-06-29T19:45:22     Running setup.py (path:/tmp/pip-wheel-9l1ccyrd/cyflann/setup.py) egg_info for package cyflann
2019-06-29T19:45:22     Running command python setup.py egg_info
2019-06-29T19:45:24     Package flann was not found in the pkg-config search path.
2019-06-29T19:45:24     Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:24     to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:24     No package 'flann' found
2019-06-29T19:45:24     Package flann was not found in the pkg-config search path.
2019-06-29T19:45:24     Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:24     to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:24     No package 'flann' found
2019-06-29T19:45:24     Package flann was not found in the pkg-config search path.
2019-06-29T19:45:24     Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:24     to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:24     No package 'flann' found
2019-06-29T19:45:24     Package flann was not found in the pkg-config search path.
2019-06-29T19:45:24     Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:24     to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:24     No package 'flann' found
2019-06-29T19:45:24     Package flann was not found in the pkg-config search path.
2019-06-29T19:45:24     Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:24     to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:24     No package 'flann' found
2019-06-29T19:45:34     Compiling cyflann/index.pyx because it depends on /usr/lib/python3/dist-packages/Cython/Includes/numpy/__init__.pxd.
2019-06-29T19:45:34     [1/1] Cythonizing cyflann/index.pyx
2019-06-29T19:45:34     running egg_info
2019-06-29T19:45:34     creating pip-egg-info/cyflann.egg-info
2019-06-29T19:45:34     writing pip-egg-info/cyflann.egg-info/PKG-INFO
2019-06-29T19:45:34     writing dependency_links to pip-egg-info/cyflann.egg-info/dependency_links.txt
2019-06-29T19:45:34     writing top-level names to pip-egg-info/cyflann.egg-info/top_level.txt
2019-06-29T19:45:34     writing manifest file 'pip-egg-info/cyflann.egg-info/SOURCES.txt'
2019-06-29T19:45:34     reading manifest file 'pip-egg-info/cyflann.egg-info/SOURCES.txt'
2019-06-29T19:45:34     writing manifest file 'pip-egg-info/cyflann.egg-info/SOURCES.txt'
2019-06-29T19:45:34     /usr/lib/python3/dist-packages/Cython/Compiler/Main.py:367: FutureWarning: Cython directive 'language_level' not set, using 2 for now (Py2). This will change in a later release! File: /tmp/pip-wheel-9l1ccyrd/cyflann/cyflann/index.pxd
2019-06-29T19:45:34       tree = Parsing.p_module(s, pxd, full_module_name)
2019-06-29T19:45:35   Source in /tmp/pip-wheel-9l1ccyrd/cyflann has version 0.1.6, which satisfies requirement cyflann==0.1.6 from https://files.pythonhosted.org/packages/82/20/4f073bcaa6a6517ccb11caa28948e1bfa0e1248e7425c598ecaaf7c88253/cyflann-0.1.6.tar.gz#sha256=9b7a485ac4180c998974980c992b74c4f1435a270b4cc0bc8acd687ce4ada3d6
2019-06-29T19:45:35   Removed cyflann==0.1.6 from https://files.pythonhosted.org/packages/82/20/4f073bcaa6a6517ccb11caa28948e1bfa0e1248e7425c598ecaaf7c88253/cyflann-0.1.6.tar.gz#sha256=9b7a485ac4180c998974980c992b74c4f1435a270b4cc0bc8acd687ce4ada3d6 from build tracker '/tmp/pip-req-tracker-2s1bvvdv'
2019-06-29T19:45:35 Building wheels for collected packages: cyflann
2019-06-29T19:45:35   Created temporary directory: /tmp/pip-wheel-iocyia8s
2019-06-29T19:45:35   Building wheel for cyflann (setup.py): started
2019-06-29T19:45:35   Destination directory: /tmp/pip-wheel-iocyia8s
2019-06-29T19:45:35   Running command /usr/bin/python3 -u -c 'import setuptools, tokenize;__file__='"'"'/tmp/pip-wheel-9l1ccyrd/cyflann/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-iocyia8s
2019-06-29T19:45:36   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:36   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:36   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:36   No package 'flann' found
2019-06-29T19:45:36   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:36   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:36   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:36   No package 'flann' found
2019-06-29T19:45:36   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:36   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:36   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:36   No package 'flann' found
2019-06-29T19:45:37   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:37   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:37   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:37   No package 'flann' found
2019-06-29T19:45:37   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:37   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:37   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:37   No package 'flann' found
2019-06-29T19:45:38   running bdist_wheel
2019-06-29T19:45:38   running build
2019-06-29T19:45:38   running build_py
2019-06-29T19:45:38   creating build
2019-06-29T19:45:38   creating build/lib.linux-armv7l-3.7
2019-06-29T19:45:38   creating build/lib.linux-armv7l-3.7/cyflann
2019-06-29T19:45:38   copying cyflann/__init__.py -> build/lib.linux-armv7l-3.7/cyflann
2019-06-29T19:45:38   copying cyflann/index.pyx -> build/lib.linux-armv7l-3.7/cyflann
2019-06-29T19:45:38   copying cyflann/index.pxd -> build/lib.linux-armv7l-3.7/cyflann
2019-06-29T19:45:38   copying cyflann/flann.pxd -> build/lib.linux-armv7l-3.7/cyflann
2019-06-29T19:45:38   running build_ext
2019-06-29T19:45:38   building 'cyflann.index' extension
2019-06-29T19:45:38   creating build/temp.linux-armv7l-3.7
2019-06-29T19:45:38   creating build/temp.linux-armv7l-3.7/cyflann
2019-06-29T19:45:38   arm-linux-gnueabihf-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/lib/python3/dist-packages/numpy/core/include -I/usr/include/python3.7m -c cyflann/index.c -o build/temp.linux-armv7l-3.7/cyflann/index.o
2019-06-29T19:45:39   cyflann/index.c:624:10: fatal error: flann/flann.h: No such file or directory
2019-06-29T19:45:39    #include "flann/flann.h"
2019-06-29T19:45:39             ^~~~~~~~~~~~~~~
2019-06-29T19:45:39   compilation terminated.
2019-06-29T19:45:39   error: command 'arm-linux-gnueabihf-gcc' failed with exit status 1
2019-06-29T19:45:39   Building wheel for cyflann (setup.py): finished with status 'error'
2019-06-29T19:45:39   ERROR: Failed building wheel for cyflann
2019-06-29T19:45:39   Running setup.py clean for cyflann
2019-06-29T19:45:39   Running command /usr/bin/python3 -u -c 'import setuptools, tokenize;__file__='"'"'/tmp/pip-wheel-9l1ccyrd/cyflann/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' clean --all
2019-06-29T19:45:41   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:41   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:41   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:41   No package 'flann' found
2019-06-29T19:45:41   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:41   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:41   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:41   No package 'flann' found
2019-06-29T19:45:41   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:41   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:41   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:41   No package 'flann' found
2019-06-29T19:45:41   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:41   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:41   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:41   No package 'flann' found
2019-06-29T19:45:41   Package flann was not found in the pkg-config search path.
2019-06-29T19:45:41   Perhaps you should add the directory containing `flann.pc'
2019-06-29T19:45:41   to the PKG_CONFIG_PATH environment variable
2019-06-29T19:45:41   No package 'flann' found
2019-06-29T19:45:42   running clean
2019-06-29T19:45:42   removing 'build/temp.linux-armv7l-3.7' (and everything under it)
2019-06-29T19:45:42   removing 'build/lib.linux-armv7l-3.7' (and everything under it)
2019-06-29T19:45:42   'build/bdist.linux-armv7l' does not exist -- can't clean it
2019-06-29T19:45:42   'build/scripts-3.7' does not exist -- can't clean it
2019-06-29T19:45:42   removing 'build'
2019-06-29T19:45:42 Failed to build cyflann
2019-06-29T19:45:42 Cleaning up...
2019-06-29T19:45:42   Removing source in /tmp/pip-wheel-9l1ccyrd/cyflann
2019-06-29T19:45:42 Removed build tracker '/tmp/pip-req-tracker-2s1bvvdv'
2019-06-29T19:45:42 ERROR: Failed to build one or more wheels
2019-06-29T19:45:42 Exception information:
2019-06-29T19:45:42 Traceback (most recent call last):
2019-06-29T19:45:42   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 178, in main
2019-06-29T19:45:42     status = self.run(options, args)
2019-06-29T19:45:42   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 178, in run
2019-06-29T19:45:42     "Failed to build one or more wheels"
2019-06-29T19:45:42 pip._internal.exceptions.CommandError: Failed to build one or more wheels