2021-07-14T18:26:57,167 Created temporary directory: /tmp/pip-ephem-wheel-cache-lpo8tbch
2021-07-14T18:26:57,170 Created temporary directory: /tmp/pip-req-tracker-1hl5t3kw
2021-07-14T18:26:57,170 Initialized build tracking at /tmp/pip-req-tracker-1hl5t3kw
2021-07-14T18:26:57,170 Created build tracker: /tmp/pip-req-tracker-1hl5t3kw
2021-07-14T18:26:57,171 Entered build tracker: /tmp/pip-req-tracker-1hl5t3kw
2021-07-14T18:26:57,171 Created temporary directory: /tmp/pip-wheel-lphbwmdi
2021-07-14T18:26:57,201 1 location(s) to search for versions of ncvis:
2021-07-14T18:26:57,201 * https://pypi.org/simple/ncvis/
2021-07-14T18:26:57,202 Fetching project page and analyzing links: https://pypi.org/simple/ncvis/
2021-07-14T18:26:57,202 Getting page https://pypi.org/simple/ncvis/
2021-07-14T18:26:57,204 Found index url https://pypi.org/simple
2021-07-14T18:26:57,391   Found link https://files.pythonhosted.org/packages/38/8f/c8b86592c7f14574c8210e17cbcda02221dd49114141aa1e7a45442c9161/ncvis-0.0.1.tar.gz#sha256=e828ea6e5f62bf1a8cfe9fe27541a8a3d70df999ced16680c06d3d26fe7cb14f (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 0.0.1
2021-07-14T18:26:57,392   Found link https://files.pythonhosted.org/packages/46/f0/52af01e4e0ad0220aab9bc27bbb4dfc99df653b2813cd4da96b5d48d2b37/ncvis-0.0.2.tar.gz#sha256=10434719877fee65cafed58c136df76fc58f5b2971241c4ebb2d8fc58c66db41 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 0.0.2
2021-07-14T18:26:57,393   Found link https://files.pythonhosted.org/packages/22/15/ccfb89e5ab08cb6a51357690321f7226cfccfa7a6373861b396e8a3e61e2/ncvis-0.0.4.tar.gz#sha256=aafcd2398c330ea472c0dbef27ff7b9b8e27f0bdac57851388b1f098e3955e80 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 0.0.4
2021-07-14T18:26:57,393   Found link https://files.pythonhosted.org/packages/15/60/79c03975c0fc7c9b60bb0ad6131e43de5a06e08367b59673d81c943ec3a6/ncvis-0.0.6.tar.gz#sha256=0c0fa85a51d9760214f90b7d70e7f4ef32fd862566c7cf0e351b9020a5e6b13e (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 0.0.6
2021-07-14T18:26:57,394   Found link https://files.pythonhosted.org/packages/80/9f/55c807f1f078dd797e3a243bdb9da0cd99c5e2825edb33a418770f459cfd/ncvis-0.0.7.tar.gz#sha256=58a4307370704ef5af565a62676661e23d6e5ad5ad035f573bb8c709edd25e30 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 0.0.7
2021-07-14T18:26:57,394   Found link https://files.pythonhosted.org/packages/36/d7/3cd4a1a035a234aed50e99f2c78fd3c5b6fc2ca6113f397584ea76178480/ncvis-1.0.tar.gz#sha256=4bb7d3de0c76a66e07082c9e4ae7b2d99bed4ab0c6a22e4836141b4748d5a0f5 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.0
2021-07-14T18:26:57,395   Found link https://files.pythonhosted.org/packages/96/d0/18e39ada38efb3a04eb68c1899352192b50171c73743726887b217ad86d3/ncvis-1.1.tar.gz#sha256=f38b0f1dff9c81378d8eebf36f5f8e4f0e7ecb513e40a7a8e7729c352389ed5c (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.1
2021-07-14T18:26:57,396   Found link https://files.pythonhosted.org/packages/df/70/3820d0a697038d6712ec9bee6ef010a420e869111da439b93cda7fcc6e2a/ncvis-1.2.tar.gz#sha256=5464c90d5fd7419ac7f7aeb95c886fd29505de6a66da23fd29c526bacf755eb8 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.2
2021-07-14T18:26:57,396   Found link https://files.pythonhosted.org/packages/bf/9f/1701bfe9b412a9e96b8cc66dabe10df028122ba327de1ac05efb25f0efa9/ncvis-1.3.tar.gz#sha256=ee3680b46ac84c632c74f71220f528638e2a1641c569122bb691ab81f6e6dc3c (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.3
2021-07-14T18:26:57,397   Found link https://files.pythonhosted.org/packages/b1/13/4d70986e778a7b203c7dd8dc679ec3a7e61998fc720a8a6931d148c710e0/ncvis-1.4.tar.gz#sha256=68759701e100a20e18cd2c82fa7b79897b8a3db52ffe3266f344f112d7eebf36 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.4
2021-07-14T18:26:57,397   Found link https://files.pythonhosted.org/packages/ba/3f/31725b18ac17ef35237552f0e93f5bca516c55334609a63d23cc5a734c41/ncvis-1.5.tar.gz#sha256=1dd1dc5639f709646d9f4f97331b59fdfe91e2ff27cd79a653b4372b25f669ef (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5
2021-07-14T18:26:57,398   Found link https://files.pythonhosted.org/packages/db/69/2f44305d1a9a20ade72cc946a14d7593a0dcc7d405b07a71eacf0179ad58/ncvis-1.5.1.tar.gz#sha256=7813ed0f43daf1ab114bb346cd1a389e4173c610ad4834a268a54878cb0021a3 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5.1
2021-07-14T18:26:57,398   Found link https://files.pythonhosted.org/packages/66/65/1ad78b60d9f9cd7856d1e71a40c834565c376891d2d6c13c844eb9511358/ncvis-1.5.2.tar.gz#sha256=cd7d114aa18de6f2194e07c27c513cdeeb30afa0cbb7cd88189fba1b24dff01d (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5.2
2021-07-14T18:26:57,399   Found link https://files.pythonhosted.org/packages/9e/d4/d138738384c6d01b0724202d1eee82e01a12fc7a5eedff6fed15eda48f73/ncvis-1.5.3.tar.gz#sha256=4f599d5c41168aea32843d43c3fc5af00bb7796d639367dcba3a6b6a71583668 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5.3
2021-07-14T18:26:57,400   Found link https://files.pythonhosted.org/packages/e4/41/60ea5bdc45fcccf358f755e10129d30bcfb0f7ef4cecbf256c2aa0d95b46/ncvis-1.5.4.tar.gz#sha256=7cdd55e9b0472cffc68eff992995217cac6c8071fbcdc7e3ba0c190032fba764 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5.4
2021-07-14T18:26:57,400   Found link https://files.pythonhosted.org/packages/73/07/d546739f9655380661a443a44558b59eb3a143bf494ccac186712e790bd2/ncvis-1.5.5.tar.gz#sha256=c454f5bb6c5d1b48f100a7f2332e6289816b2cceddf0f24eec5ceacfd4b9070c (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5.5
2021-07-14T18:26:57,401   Found link https://files.pythonhosted.org/packages/b3/f8/b1c90ec8ffa022cb2bdf9d5dbe572f889f0dfc414376a480aeb738e40fbb/ncvis-1.5.6.tar.gz#sha256=b92cf73369731905c30185b0aa1d6c85310e16e965b84cb74c3328f4fc1ec461 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5.6
2021-07-14T18:26:57,401   Found link https://files.pythonhosted.org/packages/be/56/69933c7d3d843464898ca7de89cba1daa8813b0a43c05e7bc99b7bac0af9/ncvis-1.5.7.tar.gz#sha256=c015d84b954d60d5a0985c8709b8dad7ef6274ae9b3cd1f41786ca2ba6f05224 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5.7
2021-07-14T18:26:57,402   Found link https://files.pythonhosted.org/packages/9b/52/104f867153aae4cd4b2748b800f91962a297230a0f87dfe3190313512669/ncvis-1.5.8.tar.gz#sha256=0c1f4bf609214c872ad349d6a22dfe8df9938b82afe65f151ea0ce909adafdcb (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5.8
2021-07-14T18:26:57,402   Found link https://files.pythonhosted.org/packages/91/5c/c246797b0aa5724b5e8d4644b1dd46b993ad0fed54195663ffbffa0c5eab/ncvis-1.5.9.tar.gz#sha256=7e60e3c59eb7ff82e925f10869efee61652884d2843d5928c6ac91bae933ec63 (from https://pypi.org/simple/ncvis/) (requires-python:>=3), version: 1.5.9
2021-07-14T18:26:57,403 Skipping link: not a file: https://pypi.org/simple/ncvis/
2021-07-14T18:26:57,423 Given no hashes to check 1 links for project 'ncvis': discarding no candidates
2021-07-14T18:26:57,442 Collecting ncvis==0.0.2
2021-07-14T18:26:57,444   Created temporary directory: /tmp/pip-unpack-frmipf3m
2021-07-14T18:26:57,795   Downloading ncvis-0.0.2.tar.gz (177 kB)
2021-07-14T18:26:57,945   Added ncvis==0.0.2 from https://files.pythonhosted.org/packages/46/f0/52af01e4e0ad0220aab9bc27bbb4dfc99df653b2813cd4da96b5d48d2b37/ncvis-0.0.2.tar.gz#sha256=10434719877fee65cafed58c136df76fc58f5b2971241c4ebb2d8fc58c66db41 to build tracker '/tmp/pip-req-tracker-1hl5t3kw'
2021-07-14T18:26:57,946     Running setup.py (path:/tmp/pip-wheel-lphbwmdi/ncvis_195f36e9ec774481a283675d7bc6c86c/setup.py) egg_info for package ncvis
2021-07-14T18:26:57,946     Created temporary directory: /tmp/pip-pip-egg-info-noytqrz2
2021-07-14T18:26:57,947     Running command python setup.py egg_info
2021-07-14T18:27:06,470     Compiling wrapper/ncvis.pyx because it depends on /home/piwheels/.local/lib/python3.9/site-packages/numpy/__init__.pxd.
2021-07-14T18:27:06,471     [1/1] Cythonizing wrapper/ncvis.pyx
2021-07-14T18:27:06,625     running egg_info
2021-07-14T18:27:06,627     creating /tmp/pip-pip-egg-info-noytqrz2/ncvis.egg-info
2021-07-14T18:27:06,628     writing /tmp/pip-pip-egg-info-noytqrz2/ncvis.egg-info/PKG-INFO
2021-07-14T18:27:06,630     writing dependency_links to /tmp/pip-pip-egg-info-noytqrz2/ncvis.egg-info/dependency_links.txt
2021-07-14T18:27:06,632     writing requirements to /tmp/pip-pip-egg-info-noytqrz2/ncvis.egg-info/requires.txt
2021-07-14T18:27:06,633     writing top-level names to /tmp/pip-pip-egg-info-noytqrz2/ncvis.egg-info/top_level.txt
2021-07-14T18:27:06,635     writing manifest file '/tmp/pip-pip-egg-info-noytqrz2/ncvis.egg-info/SOURCES.txt'
2021-07-14T18:27:06,644     reading manifest file '/tmp/pip-pip-egg-info-noytqrz2/ncvis.egg-info/SOURCES.txt'
2021-07-14T18:27:06,646     reading manifest template 'MANIFEST.in'
2021-07-14T18:27:06,651     warning: no previously-included files found matching 'src/main.cpp'
2021-07-14T18:27:06,653     writing manifest file '/tmp/pip-pip-egg-info-noytqrz2/ncvis.egg-info/SOURCES.txt'
2021-07-14T18:27:07,004   Source in /tmp/pip-wheel-lphbwmdi/ncvis_195f36e9ec774481a283675d7bc6c86c has version 0.0.2, which satisfies requirement ncvis==0.0.2 from https://files.pythonhosted.org/packages/46/f0/52af01e4e0ad0220aab9bc27bbb4dfc99df653b2813cd4da96b5d48d2b37/ncvis-0.0.2.tar.gz#sha256=10434719877fee65cafed58c136df76fc58f5b2971241c4ebb2d8fc58c66db41
2021-07-14T18:27:07,005   Removed ncvis==0.0.2 from https://files.pythonhosted.org/packages/46/f0/52af01e4e0ad0220aab9bc27bbb4dfc99df653b2813cd4da96b5d48d2b37/ncvis-0.0.2.tar.gz#sha256=10434719877fee65cafed58c136df76fc58f5b2971241c4ebb2d8fc58c66db41 from build tracker '/tmp/pip-req-tracker-1hl5t3kw'
2021-07-14T18:27:07,012 Created temporary directory: /tmp/pip-unpack-ocqiqlag
2021-07-14T18:27:07,013 Building wheels for collected packages: ncvis
2021-07-14T18:27:07,017   Created temporary directory: /tmp/pip-wheel-n_fcsktk
2021-07-14T18:27:07,018   Building wheel for ncvis (setup.py): started
2021-07-14T18:27:07,018   Destination directory: /tmp/pip-wheel-n_fcsktk
2021-07-14T18:27:07,018   Running command /usr/bin/python3 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-wheel-lphbwmdi/ncvis_195f36e9ec774481a283675d7bc6c86c/setup.py'"'"'; __file__='"'"'/tmp/pip-wheel-lphbwmdi/ncvis_195f36e9ec774481a283675d7bc6c86c/setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /tmp/pip-wheel-n_fcsktk
2021-07-14T18:27:08,944   running bdist_wheel
2021-07-14T18:27:08,949   running build
2021-07-14T18:27:08,949   running build_ext
2021-07-14T18:27:08,955   building 'ncvis' extension
2021-07-14T18:27:08,955   creating build
2021-07-14T18:27:08,955   creating build/temp.linux-armv7l-3.9
2021-07-14T18:27:08,956   creating build/temp.linux-armv7l-3.9/src
2021-07-14T18:27:08,957   creating build/temp.linux-armv7l-3.9/wrapper
2021-07-14T18:27:08,958   arm-linux-gnueabihf-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -ffile-prefix-map=/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -ffile-prefix-map=/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/home/piwheels/.local/lib/python3.9/site-packages/numpy/core/include -I/usr/include/python3.9 -c src/knntable.cpp -o build/temp.linux-armv7l-3.9/src/knntable.o -O3 -std=c++11 -fopenmp -fpic -ffast-math
2021-07-14T18:27:12,310   arm-linux-gnueabihf-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -ffile-prefix-map=/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -ffile-prefix-map=/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/home/piwheels/.local/lib/python3.9/site-packages/numpy/core/include -I/usr/include/python3.9 -c src/ncvis.cpp -o build/temp.linux-armv7l-3.9/src/ncvis.o -O3 -std=c++11 -fopenmp -fpic -ffast-math
2021-07-14T18:27:12,771   In file included from src/../lib/pcg-cpp/include/pcg_random.hpp:114,
2021-07-14T18:27:12,771                    from src/ncvis.cpp:5:
2021-07-14T18:27:12,771   src/../lib/pcg-cpp/include/pcg_extras.hpp:628:25: warning: macro "__DATE__" might prevent reproducible builds [-Wdate-time]
2021-07-14T18:27:12,771     628 |                         __DATE__ __TIME__ __FILE__);
2021-07-14T18:27:12,772         |                         ^~~~~~~~
2021-07-14T18:27:12,772   src/../lib/pcg-cpp/include/pcg_extras.hpp:628:34: warning: macro "__TIME__" might prevent reproducible builds [-Wdate-time]
2021-07-14T18:27:12,772     628 |                         __DATE__ __TIME__ __FILE__);
2021-07-14T18:27:12,772         |                                  ^~~~~~~~
2021-07-14T18:27:14,264   In file included from src/../lib/hnswlib/hnswlib/hnswlib.h:76,
2021-07-14T18:27:14,264                    from src/ncvis.hpp:4,
2021-07-14T18:27:14,264                    from src/ncvis.cpp:4:
2021-07-14T18:27:14,264   src/../lib/hnswlib/hnswlib/hnswalg.h: In member function ‘hnswlib::labeltype hnswlib::HierarchicalNSW<dist_t>::setExternalLabel(hnswlib::tableint, hnswlib::labeltype) const’:
2021-07-14T18:27:14,265   src/../lib/hnswlib/hnswlib/hnswalg.h:134:9: warning: no return statement in function returning non-void [-Wreturn-type]
2021-07-14T18:27:14,265     134 |         }
2021-07-14T18:27:14,265         |         ^
2021-07-14T18:27:14,781   src/../lib/hnswlib/hnswlib/hnswalg.h: In instantiation of ‘std::priority_queue<std::pair<dist_t, unsigned int>, std::vector<std::pair<dist_t, unsigned int>, std::allocator<std::pair<dist_t, unsigned int> > >, hnswlib::HierarchicalNSW<dist_t>::CompareByFirst> hnswlib::HierarchicalNSW<dist_t>::searchBaseLayerST(hnswlib::tableint, const void*, size_t) const [with dist_t = float; hnswlib::tableint = unsigned int; size_t = unsigned int]’:
2021-07-14T18:27:14,782   src/../lib/hnswlib/hnswlib/hnswalg.h:901:137:   required from ‘std::priority_queue<std::pair<dist_t, unsigned int> > hnswlib::HierarchicalNSW<dist_t>::searchKnn(const void*, size_t) const [with dist_t = float; typename std::vector<std::pair<dist_t, unsigned int>, std::allocator<std::pair<dist_t, unsigned int> > >::value_type = std::pair<float, unsigned int>; size_t = unsigned int]’
2021-07-14T18:27:14,782   src/ncvis.cpp:48:69:   required from here
2021-07-14T18:27:14,782   src/../lib/hnswlib/hnswlib/hnswalg.h:275:35: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘unsigned int’} [-Wsign-compare]
2021-07-14T18:27:14,782     275 |                 for (int j = 1; j <= size; j++) {
2021-07-14T18:27:14,782         |                                 ~~^~~~~~~
2021-07-14T18:27:14,845   src/../lib/hnswlib/hnswlib/hnswalg.h: In instantiation of ‘std::priority_queue<std::pair<dist_t, unsigned int>, std::vector<std::pair<dist_t, unsigned int>, std::allocator<std::pair<dist_t, unsigned int> > >, hnswlib::HierarchicalNSW<dist_t>::CompareByFirst> hnswlib::HierarchicalNSW<dist_t>::searchBaseLayer(hnswlib::tableint, void*, int) [with dist_t = float; hnswlib::tableint = unsigned int]’:
2021-07-14T18:27:14,845   src/../lib/hnswlib/hnswlib/hnswalg.h:846:145:   required from ‘hnswlib::tableint hnswlib::HierarchicalNSW<dist_t>::addPoint(void*, hnswlib::labeltype, int) [with dist_t = float; hnswlib::tableint = unsigned int; hnswlib::labeltype = unsigned int]’
2021-07-14T18:27:14,845   src/../lib/hnswlib/hnswlib/hnswalg.h:761:21:   required from ‘void hnswlib::HierarchicalNSW<dist_t>::addPoint(void*, hnswlib::labeltype) [with dist_t = float; hnswlib::labeltype = unsigned int]’
2021-07-14T18:27:14,845   src/ncvis.cpp:35:45:   required from here
2021-07-14T18:27:14,846   src/../lib/hnswlib/hnswlib/hnswalg.h:198:35: warning: comparison of integer expressions of different signedness: ‘int’ and ‘size_t’ {aka ‘unsigned int’} [-Wsign-compare]
2021-07-14T18:27:14,846     198 |                 for (int j = 0; j < size; j++) {
2021-07-14T18:27:14,846         |                                 ~~^~~~~~
2021-07-14T18:27:22,848   arm-linux-gnueabihf-gcc -pthread -Wno-unused-result -Wsign-compare -DNDEBUG -g -fwrapv -O2 -Wall -g -ffile-prefix-map=/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -g -fwrapv -O2 -g -ffile-prefix-map=/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/home/piwheels/.local/lib/python3.9/site-packages/numpy/core/include -I/usr/include/python3.9 -c wrapper/ncvis.cpp -o build/temp.linux-armv7l-3.9/wrapper/ncvis.o -O3 -std=c++11 -fopenmp -fpic -ffast-math
2021-07-14T18:27:23,349   In file included from /home/piwheels/.local/lib/python3.9/site-packages/numpy/core/include/numpy/ndarraytypes.h:1969,
2021-07-14T18:27:23,349                    from /home/piwheels/.local/lib/python3.9/site-packages/numpy/core/include/numpy/ndarrayobject.h:12,
2021-07-14T18:27:23,349                    from /home/piwheels/.local/lib/python3.9/site-packages/numpy/core/include/numpy/arrayobject.h:4,
2021-07-14T18:27:23,349                    from wrapper/ncvis.cpp:667:
2021-07-14T18:27:23,350   /home/piwheels/.local/lib/python3.9/site-packages/numpy/core/include/numpy/npy_1_7_deprecated_api.h:17:2: warning: #warning "Using deprecated NumPy API, disable it with " "#define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION" [-Wcpp]
2021-07-14T18:27:23,350      17 | #warning "Using deprecated NumPy API, disable it with " \
2021-07-14T18:27:23,350         |  ^~~~~~~
2021-07-14T18:27:25,061   In file included from wrapper/../src/../lib/hnswlib/hnswlib/hnswlib.h:76,
2021-07-14T18:27:25,062                    from wrapper/../src/ncvis.hpp:4,
2021-07-14T18:27:25,062                    from wrapper/ncvis.cpp:664:
2021-07-14T18:27:25,062   wrapper/../src/../lib/hnswlib/hnswlib/hnswalg.h: In member function ‘hnswlib::labeltype hnswlib::HierarchicalNSW<dist_t>::setExternalLabel(hnswlib::tableint, hnswlib::labeltype) const’:
2021-07-14T18:27:25,062   wrapper/../src/../lib/hnswlib/hnswlib/hnswalg.h:134:9: warning: no return statement in function returning non-void [-Wreturn-type]
2021-07-14T18:27:25,062     134 |         }
2021-07-14T18:27:25,062         |         ^
2021-07-14T18:27:46,765   creating build/lib.linux-armv7l-3.9
2021-07-14T18:27:46,765   arm-linux-gnueabihf-g++ -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-z,relro -g -fwrapv -O2 -Wl,-z,relro -g -fwrapv -O2 -g -ffile-prefix-map=/python3.9-3.9.2=. -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 build/temp.linux-armv7l-3.9/src/knntable.o build/temp.linux-armv7l-3.9/src/ncvis.o build/temp.linux-armv7l-3.9/wrapper/ncvis.o -lm -lgomp -o build/lib.linux-armv7l-3.9/ncvis.cpython-39-arm-linux-gnueabihf.so
2021-07-14T18:27:47,244   installing to build/bdist.linux-armv7l/wheel
2021-07-14T18:27:47,244   running install
2021-07-14T18:27:47,246   running install_lib
2021-07-14T18:27:47,251   creating build/bdist.linux-armv7l
2021-07-14T18:27:47,251   creating build/bdist.linux-armv7l/wheel
2021-07-14T18:27:47,253   copying build/lib.linux-armv7l-3.9/ncvis.cpython-39-arm-linux-gnueabihf.so -> build/bdist.linux-armv7l/wheel
2021-07-14T18:27:47,315   running install_egg_info
2021-07-14T18:27:47,339   running egg_info
2021-07-14T18:27:47,339   writing ncvis.egg-info/PKG-INFO
2021-07-14T18:27:47,341   writing dependency_links to ncvis.egg-info/dependency_links.txt
2021-07-14T18:27:47,343   writing requirements to ncvis.egg-info/requires.txt
2021-07-14T18:27:47,344   writing top-level names to ncvis.egg-info/top_level.txt
2021-07-14T18:27:47,349   reading manifest file 'ncvis.egg-info/SOURCES.txt'
2021-07-14T18:27:47,354   reading manifest template 'MANIFEST.in'
2021-07-14T18:27:47,358   warning: no previously-included files found matching 'src/main.cpp'
2021-07-14T18:27:47,361   writing manifest file 'ncvis.egg-info/SOURCES.txt'
2021-07-14T18:27:47,362   Copying ncvis.egg-info to build/bdist.linux-armv7l/wheel/ncvis-0.0.2-py3.9.egg-info
2021-07-14T18:27:47,373   running install_scripts
2021-07-14T18:27:47,419   creating build/bdist.linux-armv7l/wheel/ncvis-0.0.2.dist-info/WHEEL
2021-07-14T18:27:47,421   creating '/tmp/pip-wheel-n_fcsktk/ncvis-0.0.2-cp39-cp39-linux_armv7l.whl' and adding 'build/bdist.linux-armv7l/wheel' to it
2021-07-14T18:27:47,897   adding 'ncvis.cpython-39-arm-linux-gnueabihf.so'
2021-07-14T18:27:47,920   adding 'ncvis-0.0.2.dist-info/METADATA'
2021-07-14T18:27:47,921   adding 'ncvis-0.0.2.dist-info/WHEEL'
2021-07-14T18:27:47,922   adding 'ncvis-0.0.2.dist-info/top_level.txt'
2021-07-14T18:27:47,923   adding 'ncvis-0.0.2.dist-info/RECORD'
2021-07-14T18:27:47,935   removing build/bdist.linux-armv7l/wheel
2021-07-14T18:27:48,078   Building wheel for ncvis (setup.py): finished with status 'done'
2021-07-14T18:27:48,093   Created wheel for ncvis: filename=ncvis-0.0.2-cp39-cp39-linux_armv7l.whl size=877345 sha256=ccf5a1a9d0bab0fa1166e30dfc3628081029626bd89d781ad3d803825f6c3d7a
2021-07-14T18:27:48,093   Stored in directory: /tmp/pip-ephem-wheel-cache-lpo8tbch/wheels/82/9a/0b/4dd331666acd285dc57a1a58f1679d429a8b5a9b8f3618a1ab
2021-07-14T18:27:48,105 Successfully built ncvis
2021-07-14T18:27:48,139 Removed build tracker: '/tmp/pip-req-tracker-1hl5t3kw'