2021-07-11T20:47:55,204 Created temporary directory: /tmp/pip-ephem-wheel-cache-yc5w6eam
2021-07-11T20:47:55,207 Created temporary directory: /tmp/pip-req-tracker-jczj8g1j
2021-07-11T20:47:55,208 Initialized build tracking at /tmp/pip-req-tracker-jczj8g1j
2021-07-11T20:47:55,208 Created build tracker: /tmp/pip-req-tracker-jczj8g1j
2021-07-11T20:47:55,208 Entered build tracker: /tmp/pip-req-tracker-jczj8g1j
2021-07-11T20:47:55,209 Created temporary directory: /tmp/pip-wheel-zxkcpxbn
2021-07-11T20:47:55,238 1 location(s) to search for versions of libvncdriver:
2021-07-11T20:47:55,238 * https://pypi.org/simple/libvncdriver/
2021-07-11T20:47:55,239 Fetching project page and analyzing links: https://pypi.org/simple/libvncdriver/
2021-07-11T20:47:55,239 Getting page https://pypi.org/simple/libvncdriver/
2021-07-11T20:47:55,241 Found index url https://pypi.org/simple
2021-07-11T20:47:55,340   Found link https://files.pythonhosted.org/packages/37/fa/d33fbc5d2054098eaff62e0c3bd9ad952fb0ac0b2a867b09b53011bca869/libvncdriver-0.0.1.tar.gz#sha256=ceaf31531665dbca0f84d3306a91446e82c889c50874fd90bce6c93cb51d0cff (from https://pypi.org/simple/libvncdriver/), version: 0.0.1
2021-07-11T20:47:55,341   Found link https://files.pythonhosted.org/packages/40/9d/fc8d965beb18d3c612b7e3ab7623fbb543ab9bfdb52dd845070488846c94/libvncdriver-0.1.0.tar.gz#sha256=73f39d47654735e8a0b3b90a2256423a794b2b3907eff0f62260e17771b6a14d (from https://pypi.org/simple/libvncdriver/), version: 0.1.0
2021-07-11T20:47:55,341   Found link https://files.pythonhosted.org/packages/4f/1f/1e77fbc112a5d5c20169a2a80d094ca4f1a4dfc10e505ce36c42df09e4b1/libvncdriver-0.2.0.tar.gz#sha256=3fcb5fcadec92f52abddff2380fd737e2accba8077096a3d50e3466b9ffb2684 (from https://pypi.org/simple/libvncdriver/), version: 0.2.0
2021-07-11T20:47:55,341   Found link https://files.pythonhosted.org/packages/16/5f/cfdbaf938902ae3bdbefd5b88ac1778847f2c5f9378e4aa3170ce9495711/libvncdriver-0.22.0.tar.gz#sha256=ca5adf3ba339ccc5766ccda2b1f56566bc8c996f96c99e1cb787fdee22b29e9f (from https://pypi.org/simple/libvncdriver/), version: 0.22.0
2021-07-11T20:47:55,341   Found link https://files.pythonhosted.org/packages/d0/8e/8bc530f7a7cbb80a49cff5108a36fb1d450eea124b43b212d7c351d28992/libvncdriver-0.23.0.tar.gz#sha256=cb569ce5ef718907971cef890d794a60ea700d4b6f09971ff8ff293edba6d757 (from https://pypi.org/simple/libvncdriver/), version: 0.23.0
2021-07-11T20:47:55,342   Found link https://files.pythonhosted.org/packages/66/a5/1f889487d0dac3a0920eabd7efdc5e51dee5f8d0762233240d940b9ebff1/libvncdriver-0.24.0.tar.gz#sha256=2e2a3fce7d6c90eb896119a11cabb0f9aded0516e25b47e2b7e781c6c926b7ff (from https://pypi.org/simple/libvncdriver/), version: 0.24.0
2021-07-11T20:47:55,342   Found link https://files.pythonhosted.org/packages/7e/50/db0ff2ca2cdab092e1fb93288687aed803a6b9f8a991d6e91172d74265ff/libvncdriver-0.25.0.tar.gz#sha256=9e179d0643fea342f8dd44eaf9406464f9cf2e7e61defd12b0fc1a1b6ec3d193 (from https://pypi.org/simple/libvncdriver/), version: 0.25.0
2021-07-11T20:47:55,342   Found link https://files.pythonhosted.org/packages/a9/ea/e5a23950326038bba2952ced3fe6bb051e8d6fbe9817db4c4801c4d184ed/libvncdriver-0.26.0.tar.gz#sha256=a268b697628446078ca3727b8aae0279dc414b18be590f4908021de81af6944e (from https://pypi.org/simple/libvncdriver/), version: 0.26.0
2021-07-11T20:47:55,343   Found link https://files.pythonhosted.org/packages/05/fc/82c133ac4528407f2988c4489e84e6812eab00fb76c253ddf3c0de55deda/libvncdriver-0.27.0.tar.gz#sha256=8d7d74f370f56add4df6bf92bd09e5b8f55904ed979972446ed4ced84528bd81 (from https://pypi.org/simple/libvncdriver/), version: 0.27.0
2021-07-11T20:47:55,343   Found link https://files.pythonhosted.org/packages/59/aa/ffc82ccc24e7420a692b5ebf40884b01a602683b5cd1a5e6a1abb871ab07/libvncdriver-0.28.0.tar.gz#sha256=ef0eb768d0c409345e6f9317415e8eb0f0eb7c73c61460f1c0cfd22b05b5931c (from https://pypi.org/simple/libvncdriver/), version: 0.28.0
2021-07-11T20:47:55,343   Found link https://files.pythonhosted.org/packages/5b/2f/b31f62689e283bd751078cc29d4a4e235f2c6fb441d004fb94609c442f71/libvncdriver-0.29.0.tar.gz#sha256=04cc2be1f9470dc0b6daf09f94951f764a42ed678e395542d2b5acfafd85fb4e (from https://pypi.org/simple/libvncdriver/), version: 0.29.0
2021-07-11T20:47:55,344   Found link https://files.pythonhosted.org/packages/27/ae/4925bf4e17623fddd40dbc191244885a275265dfbfacc0d97e1366cae367/libvncdriver-0.30.0.tar.gz#sha256=48a98de2c1a0054190e30f479a6c96afbf5e892c0a6fd5d5dedd00b3fa11c555 (from https://pypi.org/simple/libvncdriver/), version: 0.30.0
2021-07-11T20:47:55,344   Found link https://files.pythonhosted.org/packages/ab/0a/200538ea1a14cc2eff367b4f508c9010608327da7deed8f39585b6e6b883/libvncdriver-0.31.0.tar.gz#sha256=2c9ad1100b61cb341014bec11a2719cfa9cb7ba99c396ac0e6a2a2003e6ff03e (from https://pypi.org/simple/libvncdriver/), version: 0.31.0
2021-07-11T20:47:55,344   Found link https://files.pythonhosted.org/packages/0b/df/32b03a70f95afa8333cd5392a7ea1690b2300c2132f8293115d12f4df5e8/libvncdriver-0.32.0.tar.gz#sha256=29fc31dab5eaa08e6064b5d4d74a0be191725bc3c5f5a27bbe0ddb01b2e8233f (from https://pypi.org/simple/libvncdriver/), version: 0.32.0
2021-07-11T20:47:55,344   Found link https://files.pythonhosted.org/packages/39/39/2681b948131c28c2cd80457cd10389e848e672d3c6fba2f3c2d469690b47/libvncdriver-0.33.0.tar.gz#sha256=46982884270c29b98a2ac1bcd81d78aa57bc3a7dde41f8c75f0406e79a7742ee (from https://pypi.org/simple/libvncdriver/), version: 0.33.0
2021-07-11T20:47:55,345   Found link https://files.pythonhosted.org/packages/f9/a7/c0c81fd2c4720438dfc6432ff8a5f41c34c0fce17d414929cf6e8732187a/libvncdriver-0.34.0.tar.gz#sha256=3f1bd026ea666e3e597e4ece22cc7fe99dd82e59ca65b14413c7629a3ee0ae22 (from https://pypi.org/simple/libvncdriver/), version: 0.34.0
2021-07-11T20:47:55,345   Found link https://files.pythonhosted.org/packages/e3/7c/f3950a1fd4c28da12c5045feb6b350803ed68179f838541a9288c6e470dc/libvncdriver-0.35.0.tar.gz#sha256=47b562b0d6f45df7881952ded1f753c4d92fb3f6f88e0c5eaf6ada43e8befaee (from https://pypi.org/simple/libvncdriver/), version: 0.35.0
2021-07-11T20:47:55,345   Found link https://files.pythonhosted.org/packages/69/9e/ba61e74ccf21b8e6cb80ad8812696766951c162ae7239ff7686a30091d43/libvncdriver-0.36.0.tar.gz#sha256=deaf70bea618db0cabcab95b9a64c4bbfec7df5c24effe84e77a5cb12232998d (from https://pypi.org/simple/libvncdriver/), version: 0.36.0
2021-07-11T20:47:55,345   Found link https://files.pythonhosted.org/packages/96/66/79d96eade6d1feb494767f880b58dc1175927f49127cb7511508533d2a34/libvncdriver-0.36.1.tar.gz#sha256=b59cf01616af55c0e32814d927da7cb73cce2d6eeed703c781e65925a8dfa234 (from https://pypi.org/simple/libvncdriver/), version: 0.36.1
2021-07-11T20:47:55,346   Found link https://files.pythonhosted.org/packages/85/a8/78e0b82bd8a509ebf8ac7d3ee96a1d9c53c4a44fbf15f1b0f5da99aa3030/libvncdriver-0.36.2.tar.gz#sha256=93751febef9a4c15157944e3a34c396d58d3cb0c8d53b81390a99ca521c23026 (from https://pypi.org/simple/libvncdriver/), version: 0.36.2
2021-07-11T20:47:55,346 Skipping link: not a file: https://pypi.org/simple/libvncdriver/
2021-07-11T20:47:55,366 Given no hashes to check 1 links for project 'libvncdriver': discarding no candidates
2021-07-11T20:47:55,385 Collecting libvncdriver==0.36.0
2021-07-11T20:47:55,387   Created temporary directory: /tmp/pip-unpack-9aba90mj
2021-07-11T20:47:56,118   Downloading libvncdriver-0.36.0.tar.gz (1.5 MB)
2021-07-11T20:47:57,164   Added libvncdriver==0.36.0 from https://files.pythonhosted.org/packages/69/9e/ba61e74ccf21b8e6cb80ad8812696766951c162ae7239ff7686a30091d43/libvncdriver-0.36.0.tar.gz#sha256=deaf70bea618db0cabcab95b9a64c4bbfec7df5c24effe84e77a5cb12232998d to build tracker '/tmp/pip-req-tracker-jczj8g1j'
2021-07-11T20:47:57,165     Running setup.py (path:/tmp/pip-wheel-zxkcpxbn/libvncdriver_f400a8766d904048b0bc59e348cc8049/setup.py) egg_info for package libvncdriver
2021-07-11T20:47:57,166     Created temporary directory: /tmp/pip-pip-egg-info-6utzslgv
2021-07-11T20:47:57,166     Running command python setup.py egg_info
2021-07-11T20:47:58,324     /usr/local/lib/python3.9/dist-packages/setuptools/dist.py:697: UserWarning: Usage of dash-separated 'description-file' will not be supported in future versions. Please use the underscore name 'description_file' instead
2021-07-11T20:47:58,324       warnings.warn(
2021-07-11T20:47:58,339     running egg_info
2021-07-11T20:47:58,341     creating /tmp/pip-pip-egg-info-6utzslgv/libvncdriver.egg-info
2021-07-11T20:47:58,342     writing /tmp/pip-pip-egg-info-6utzslgv/libvncdriver.egg-info/PKG-INFO
2021-07-11T20:47:58,344     writing dependency_links to /tmp/pip-pip-egg-info-6utzslgv/libvncdriver.egg-info/dependency_links.txt
2021-07-11T20:47:58,346     writing top-level names to /tmp/pip-pip-egg-info-6utzslgv/libvncdriver.egg-info/top_level.txt
2021-07-11T20:47:58,348     writing manifest file '/tmp/pip-pip-egg-info-6utzslgv/libvncdriver.egg-info/SOURCES.txt'
2021-07-11T20:47:58,489     package init file './__init__.py' not found (or not a regular file)
2021-07-11T20:47:58,694     reading manifest file '/tmp/pip-pip-egg-info-6utzslgv/libvncdriver.egg-info/SOURCES.txt'
2021-07-11T20:47:58,697     writing manifest file '/tmp/pip-pip-egg-info-6utzslgv/libvncdriver.egg-info/SOURCES.txt'
2021-07-11T20:47:58,798   Source in /tmp/pip-wheel-zxkcpxbn/libvncdriver_f400a8766d904048b0bc59e348cc8049 has version 0.36.0, which satisfies requirement libvncdriver==0.36.0 from https://files.pythonhosted.org/packages/69/9e/ba61e74ccf21b8e6cb80ad8812696766951c162ae7239ff7686a30091d43/libvncdriver-0.36.0.tar.gz#sha256=deaf70bea618db0cabcab95b9a64c4bbfec7df5c24effe84e77a5cb12232998d
2021-07-11T20:47:58,799   Removed libvncdriver==0.36.0 from https://files.pythonhosted.org/packages/69/9e/ba61e74ccf21b8e6cb80ad8812696766951c162ae7239ff7686a30091d43/libvncdriver-0.36.0.tar.gz#sha256=deaf70bea618db0cabcab95b9a64c4bbfec7df5c24effe84e77a5cb12232998d from build tracker '/tmp/pip-req-tracker-jczj8g1j'
2021-07-11T20:47:58,803 Created temporary directory: /tmp/pip-unpack-t54pc80f
2021-07-11T20:47:58,804 Building wheels for collected packages: libvncdriver
2021-07-11T20:47:58,808   Created temporary directory: /tmp/pip-wheel-tkdh7e8r
2021-07-11T20:47:58,809   Building wheel for libvncdriver (setup.py): started
2021-07-11T20:47:58,809   Destination directory: /tmp/pip-wheel-tkdh7e8r
2021-07-11T20:47:58,809   Running command /usr/bin/python3 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-wheel-zxkcpxbn/libvncdriver_f400a8766d904048b0bc59e348cc8049/setup.py'"'"'; __file__='"'"'/tmp/pip-wheel-zxkcpxbn/libvncdriver_f400a8766d904048b0bc59e348cc8049/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-tkdh7e8r
2021-07-11T20:47:59,944   /usr/local/lib/python3.9/dist-packages/setuptools/dist.py:697: UserWarning: Usage of dash-separated 'description-file' will not be supported in future versions. Please use the underscore name 'description_file' instead
2021-07-11T20:47:59,945     warnings.warn(
2021-07-11T20:47:59,975   running bdist_wheel
2021-07-11T20:48:00,167   running build
2021-07-11T20:48:00,167   running build_py
2021-07-11T20:48:00,302   package init file './__init__.py' not found (or not a regular file)
2021-07-11T20:48:00,304   running build_ext
2021-07-11T20:48:00,309   building 'libvncdriver' extension
2021-07-11T20:48:00,310   creating build
2021-07-11T20:48:00,310   creating build/temp.linux-armv7l-3.9
2021-07-11T20:48:00,311   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 -Ilibvncserver -I/usr/local/lib/python3.9/dist-packages/numpy/core/include -I/usr/include/python3.9 -c libvncdriver.c -o build/temp.linux-armv7l-3.9/libvncdriver.o
2021-07-11T20:48:00,678   libvncdriver.c: In function ‘PyInit_libvncdriver’:
2021-07-11T20:48:00,678   libvncdriver.c:98:7: warning: implicit declaration of function ‘libvncdriver_init’ [-Wimplicit-function-declaration]
2021-07-11T20:48:00,678      98 |   if (libvncdriver_init() < 0)
2021-07-11T20:48:00,679         |       ^~~~~~~~~~~~~~~~~
2021-07-11T20:48:00,684   At top level:
2021-07-11T20:48:00,684   libvncdriver.c:28:1: warning: ‘error_out’ defined but not used [-Wunused-function]
2021-07-11T20:48:00,685      28 | error_out(PyObject *m) {
2021-07-11T20:48:00,685         | ^~~~~~~~~
2021-07-11T20:48:00,801   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 -Ilibvncserver -I/usr/local/lib/python3.9/dist-packages/numpy/core/include -I/usr/include/python3.9 -c logger.c -o build/temp.linux-armv7l-3.9/logger.o
2021-07-11T20:48:01,215   In file included from /usr/include/string.h:495,
2021-07-11T20:48:01,216                    from /usr/include/python3.9/Python.h:30,
2021-07-11T20:48:01,216                    from logger.c:3:
2021-07-11T20:48:01,216   In function ‘strncpy’,
2021-07-11T20:48:01,216       inlined from ‘logger_str_info_chomp’ at logger.c:49:5:
2021-07-11T20:48:01,216   /usr/include/arm-linux-gnueabihf/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ specified bound depends on the length of the source argument [-Wstringop-overflow=]
2021-07-11T20:48:01,216     106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
2021-07-11T20:48:01,217         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2021-07-11T20:48:01,217   logger.c: In function ‘logger_str_info_chomp’:
2021-07-11T20:48:01,217   logger.c:49:27: note: length computed here
2021-07-11T20:48:01,217      49 |     strncpy(copy, format, strlen(format)-1);
2021-07-11T20:48:01,217         |                           ^~~~~~~~~~~~~~
2021-07-11T20:48:01,238   In file included from /usr/include/string.h:495,
2021-07-11T20:48:01,238                    from /usr/include/python3.9/Python.h:30,
2021-07-11T20:48:01,238                    from logger.c:3:
2021-07-11T20:48:01,238   In function ‘strncpy’,
2021-07-11T20:48:01,239       inlined from ‘logger_str_error_chomp’ at logger.c:71:5:
2021-07-11T20:48:01,239   /usr/include/arm-linux-gnueabihf/bits/string_fortified.h:106:10: warning: ‘__builtin_strncpy’ specified bound depends on the length of the source argument [-Wstringop-overflow=]
2021-07-11T20:48:01,239     106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
2021-07-11T20:48:01,239         |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2021-07-11T20:48:01,239   logger.c: In function ‘logger_str_error_chomp’:
2021-07-11T20:48:01,239   logger.c:71:27: note: length computed here
2021-07-11T20:48:01,239      71 |     strncpy(copy, format, strlen(format)-1);
2021-07-11T20:48:01,240         |                           ^~~~~~~~~~~~~~
2021-07-11T20:48:01,304   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 -Ilibvncserver -I/usr/local/lib/python3.9/dist-packages/numpy/core/include -I/usr/include/python3.9 -c vncsession.c -o build/temp.linux-armv7l-3.9/vncsession.o
2021-07-11T20:48:01,708   vncsession.c: In function ‘VNCSession_init’:
2021-07-11T20:48:01,708   vncsession.c:191:28: warning: format ‘%[^:’ expects argument of type ‘char *’, but argument 3 has type ‘char (*)[1024]’ [-Wformat=]
2021-07-11T20:48:01,708     191 |   if (sscanf(hostport, "%[^:]:%d", &hostbuf, &port) < 2) {
2021-07-11T20:48:01,708         |                         ~~~^       ~~~~~~~~
2021-07-11T20:48:01,709         |                            |       |
2021-07-11T20:48:01,709         |                            char *  char (*)[1024]
2021-07-11T20:48:02,028   creating build/lib.linux-armv7l-3.9
2021-07-11T20:48:02,029   arm-linux-gnueabihf-gcc -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/libvncdriver.o build/temp.linux-armv7l-3.9/logger.o build/temp.linux-armv7l-3.9/vncsession.o -lvncclient -o build/lib.linux-armv7l-3.9/libvncdriver.cpython-39-arm-linux-gnueabihf.so
2021-07-11T20:48:02,062   /usr/bin/ld: cannot find -lvncclient
2021-07-11T20:48:02,078   collect2: error: ld returned 1 exit status
2021-07-11T20:48:02,080   error: command '/usr/bin/arm-linux-gnueabihf-gcc' failed with exit code 1
2021-07-11T20:48:02,200   Building wheel for libvncdriver (setup.py): finished with status 'error'
2021-07-11T20:48:02,200   ERROR: Failed building wheel for libvncdriver
2021-07-11T20:48:02,201   Running setup.py clean for libvncdriver
2021-07-11T20:48:02,201   Running command /usr/bin/python3 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-wheel-zxkcpxbn/libvncdriver_f400a8766d904048b0bc59e348cc8049/setup.py'"'"'; __file__='"'"'/tmp/pip-wheel-zxkcpxbn/libvncdriver_f400a8766d904048b0bc59e348cc8049/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'"'"'))' clean --all
2021-07-11T20:48:03,331   /usr/local/lib/python3.9/dist-packages/setuptools/dist.py:697: UserWarning: Usage of dash-separated 'description-file' will not be supported in future versions. Please use the underscore name 'description_file' instead
2021-07-11T20:48:03,331     warnings.warn(
2021-07-11T20:48:03,336   running clean
2021-07-11T20:48:03,340   removing 'build/temp.linux-armv7l-3.9' (and everything under it)
2021-07-11T20:48:03,342   removing 'build/lib.linux-armv7l-3.9' (and everything under it)
2021-07-11T20:48:03,343   'build/bdist.linux-armv7l' does not exist -- can't clean it
2021-07-11T20:48:03,343   'build/scripts-3.9' does not exist -- can't clean it
2021-07-11T20:48:03,343   removing 'build'
2021-07-11T20:48:03,425 Failed to build libvncdriver
2021-07-11T20:48:03,426 ERROR: Failed to build one or more wheels
2021-07-11T20:48:03,427 Exception information:
2021-07-11T20:48:03,427 Traceback (most recent call last):
2021-07-11T20:48:03,427   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-07-11T20:48:03,427     status = self.run(options, args)
2021-07-11T20:48:03,427   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2021-07-11T20:48:03,427     return func(self, options, args)
2021-07-11T20:48:03,427   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/commands/wheel.py", line 174, in run
2021-07-11T20:48:03,427     raise CommandError(
2021-07-11T20:48:03,427 pip._internal.exceptions.CommandError: Failed to build one or more wheels
2021-07-11T20:48:03,430 Removed build tracker: '/tmp/pip-req-tracker-jczj8g1j'