2021-07-13T17:18:51,429 Created temporary directory: /tmp/pip-ephem-wheel-cache-4c2bbm2k
2021-07-13T17:18:51,432 Created temporary directory: /tmp/pip-req-tracker-od75mm2_
2021-07-13T17:18:51,432 Initialized build tracking at /tmp/pip-req-tracker-od75mm2_
2021-07-13T17:18:51,432 Created build tracker: /tmp/pip-req-tracker-od75mm2_
2021-07-13T17:18:51,432 Entered build tracker: /tmp/pip-req-tracker-od75mm2_
2021-07-13T17:18:51,433 Created temporary directory: /tmp/pip-wheel-lli_5gyq
2021-07-13T17:18:51,463 1 location(s) to search for versions of flask-apscheduler:
2021-07-13T17:18:51,463 * https://pypi.org/simple/flask-apscheduler/
2021-07-13T17:18:51,463 Fetching project page and analyzing links: https://pypi.org/simple/flask-apscheduler/
2021-07-13T17:18:51,464 Getting page https://pypi.org/simple/flask-apscheduler/
2021-07-13T17:18:51,465 Found index url https://pypi.org/simple
2021-07-13T17:18:51,657   Found link https://files.pythonhosted.org/packages/3d/8c/2eba97bb52430182c1cf8342235dcf5ed12ae98d56f21419b0d64c73cf72/Flask-APScheduler-0.6.0.tar.gz#sha256=ee5086ca662481848c16ddf644876990b05e1022dfd2ddcb025ad4949478d8d6 (from https://pypi.org/simple/flask-apscheduler/), version: 0.6.0
2021-07-13T17:18:51,658   Found link https://files.pythonhosted.org/packages/df/b7/97c1b127080b12317043adf91b5db67c3edf3181721164f88f2c2a47a866/Flask-APScheduler-0.6.1.tar.gz#sha256=8390372e9a5d07a6e9586329eee99ca29c6787c67c7f9baa80eb0d9d64903959 (from https://pypi.org/simple/flask-apscheduler/), version: 0.6.1
2021-07-13T17:18:51,658   Found link https://files.pythonhosted.org/packages/e0/12/efcf12d4f11850d5b49da87d30f4cef05a19bb348a6014fd4044fe2c6999/Flask-APScheduler-0.6.2.tar.gz#sha256=5b89eece81791207717437e470d2d2aec9f9228e9291493a67ae6463689b50c7 (from https://pypi.org/simple/flask-apscheduler/), version: 0.6.2
2021-07-13T17:18:51,658   Found link https://files.pythonhosted.org/packages/ce/18/22b68a27c42bab5e0819d7b0ca2b2b709d26d03d1e4d7af92d6996174f79/Flask-APScheduler-0.6.3.tar.gz#sha256=b54240760e908d30ba8125e90507bc9ba5033cae4b329a0ffe614c510713ab81 (from https://pypi.org/simple/flask-apscheduler/), version: 0.6.3
2021-07-13T17:18:51,659   Found link https://files.pythonhosted.org/packages/be/e6/fea82751938e38e5726733d7ad1a1d4b26823d0c5cd26a532f5419d8f6b2/Flask-APScheduler-0.7.0.tar.gz#sha256=ce65e4a7a077e5214544f87635802a62ecbe7b018c48dff045455455e53ae421 (from https://pypi.org/simple/flask-apscheduler/), version: 0.7.0
2021-07-13T17:18:51,659   Found link https://files.pythonhosted.org/packages/d9/48/4b3fbf8c129e9eb4df4ec599aeb98cd9a1295bfe599da23be01addff703c/Flask-APScheduler-0.8.0.tar.gz#sha256=872bcccfba5c2557c328ce2380fa6ca296a651538231831e6155d7f4d535eb8b (from https://pypi.org/simple/flask-apscheduler/), version: 0.8.0
2021-07-13T17:18:51,659   Found link https://files.pythonhosted.org/packages/5d/b2/63803e68447ae2fa375b7daf84f9e07728f5baf4a71cd58e9004262b1bf6/Flask-APScheduler-0.8.1.tar.gz#sha256=109a1abf8eb8ed874406e60984508d3af4e5d50193056000b1642f7df0f4c9cb (from https://pypi.org/simple/flask-apscheduler/), version: 0.8.1
2021-07-13T17:18:51,659   Found link https://files.pythonhosted.org/packages/39/8b/f123b254d26785dad5da15bbaa01a3d827ff9dd54f2feedbea377a07b108/Flask-APScheduler-1.0.0.tar.gz#sha256=df6f12ead3a24d81b7f76c1fb13978c385c66e3ed7dd956fa04cd33487271769 (from https://pypi.org/simple/flask-apscheduler/), version: 1.0.0
2021-07-13T17:18:51,660   Found link https://files.pythonhosted.org/packages/2e/55/c98366bc1f06607ef40a2dfb9bde355bb200d91e214d0ddb1121a1837727/Flask-APScheduler-1.1.0.tar.gz#sha256=441fd99d3bfbd8eb4472c1cab8d9d40ca8838012f37311a92c549907913b2861 (from https://pypi.org/simple/flask-apscheduler/), version: 1.1.0
2021-07-13T17:18:51,660   Found link https://files.pythonhosted.org/packages/8d/ca/a515ee1302d4fa522a010dd6e8e8ae3a924d67d1403d70fa6dc90ba88c68/Flask-APScheduler-1.2.0.tar.gz#sha256=ac6771ccc456299a1eae52f0582d085d90bec0870ea27b5c8a6ce972e3010ec6 (from https://pypi.org/simple/flask-apscheduler/), version: 1.2.0
2021-07-13T17:18:51,660   Found link https://files.pythonhosted.org/packages/62/2a/89d7e282eefe59ca51e6fc1f60a73878a16c25f8d05f71995eb06cae4d47/Flask-APScheduler-1.2.1.tar.gz#sha256=70a667e8a8d0538c64629f60dd732b9c8e7ef36954a3efd04504ed3d5b00371a (from https://pypi.org/simple/flask-apscheduler/), version: 1.2.1
2021-07-13T17:18:51,661   Found link https://files.pythonhosted.org/packages/19/a9/de448ddc7822b937b02060fedb026b6507a812782191f67db0d051f2a518/Flask-APScheduler-1.3.0.tar.gz#sha256=7d7ae9fb6e9367f3e4eb7595cec6984a5d85ae9942a13d8e5b1ab850805a29ac (from https://pypi.org/simple/flask-apscheduler/), version: 1.3.0
2021-07-13T17:18:51,661   Found link https://files.pythonhosted.org/packages/b1/b6/a18378d57df92ad1c3a40d96b358a2c7a6311e02df1b7ff4d1f6e35841dd/Flask-APScheduler-1.3.1.tar.gz#sha256=1845df443cf77637e844512e9d9e93ad995c0eda322962faddd026b70eb2c7d1 (from https://pypi.org/simple/flask-apscheduler/), version: 1.3.1
2021-07-13T17:18:51,661   Found link https://files.pythonhosted.org/packages/9b/61/7c79573780157e5205e0453c4e911576f872e67fbe163fe032bd1fd145d2/Flask-APScheduler-1.3.2.tar.gz#sha256=4a21ec385d34b05d4ffb3c6e9a14ed1937368b23e0f26a9dbfaec616196b1467 (from https://pypi.org/simple/flask-apscheduler/), version: 1.3.2
2021-07-13T17:18:51,661   Found link https://files.pythonhosted.org/packages/de/86/a9970a95021a8bd51c19dcd1e9f5f02ae9606e7322af45cc282e92075719/Flask-APScheduler-1.3.3.tar.gz#sha256=9a6944430fea1dcbd2d89a60fc98e3a52ea7c037b14672e3922c64e2df8de775 (from https://pypi.org/simple/flask-apscheduler/), version: 1.3.3
2021-07-13T17:18:51,662   Found link https://files.pythonhosted.org/packages/01/a6/6b6f5909b674b3c912042fbf631b4ced571dd388fbf3130feffcddd3fb6c/Flask-APScheduler-1.3.4.tar.gz#sha256=757fde6db4a4bb187cdef81f6e8d48baf778d65cc0f69bf52938232cfc4de50c (from https://pypi.org/simple/flask-apscheduler/), version: 1.3.4
2021-07-13T17:18:51,662   Found link https://files.pythonhosted.org/packages/db/d3/721bdd5a5200fbbb552d5b49d8edb4ec42ef514347ddfefbd76a334b1504/Flask-APScheduler-1.3.5.tar.gz#sha256=12e1997ce25e9cdf5be5a5691fa188cf010816d2e0a60e09fcaeb4822a0fced6 (from https://pypi.org/simple/flask-apscheduler/), version: 1.3.5
2021-07-13T17:18:51,662   Found link https://files.pythonhosted.org/packages/cb/3e/dbdf85af6d263a93db5702359d18cabee0b36badf3ba5845c504f2490687/Flask-APScheduler-1.3.6.tar.gz#sha256=fe47a384e0c52587d34862db4a0b23c429f383e312ddbb0e9efc21485fe828ed (from https://pypi.org/simple/flask-apscheduler/), version: 1.3.6
2021-07-13T17:18:51,663   Found link https://files.pythonhosted.org/packages/c4/f8/52daf2c9706116f220cc61f8cf88d461108e86b52321fac27095ad42d928/Flask-APScheduler-1.3.7.tar.gz#sha256=0024c5d200863e7a080360a9ec47dec5307e888347836ef01858c26198895799 (from https://pypi.org/simple/flask-apscheduler/), version: 1.3.7
2021-07-13T17:18:51,663   Found link https://files.pythonhosted.org/packages/de/df/7485b0e1bd56684e498292bb94c4fe8006e4566cbfbc49623138e3c4c7c1/Flask-APScheduler-1.4.0.tar.gz#sha256=b8d193f744a8506238b4f725e9f354594677efc714adf725baaea2002e310630 (from https://pypi.org/simple/flask-apscheduler/), version: 1.4.0
2021-07-13T17:18:51,663   Found link https://files.pythonhosted.org/packages/9b/e7/864f10884b41091124ed9a5db8663468fa3a1c323b7fbed25d7f66a0a688/Flask-APScheduler-1.5.0.tar.gz#sha256=5ac769c5a99ec4e4be4c56c026bbb9386366406a15c9c1822d5bd0f3cf5f6999 (from https://pypi.org/simple/flask-apscheduler/), version: 1.5.0
2021-07-13T17:18:51,664   Found link https://files.pythonhosted.org/packages/b1/3a/531d6e9e46a9de043c93a28a707b43d6e13d549f15e9276a1b6027a06aaa/Flask-APScheduler-1.6.0.tar.gz#sha256=641d1b92cc225cec36df1a2aa2094940092f6ca136f5b1cebede7ff5f015271e (from https://pypi.org/simple/flask-apscheduler/), version: 1.6.0
2021-07-13T17:18:51,664   Found link https://files.pythonhosted.org/packages/5a/4a/55b31b32de6dac22db7386355e0bf3d73df26ed7745f7081f4b448e15952/Flask-APScheduler-1.7.0.tar.gz#sha256=8916fecb7ee3b89d4a493a396d1dd2d807619c9c58f426d9a3ad94439f4a7398 (from https://pypi.org/simple/flask-apscheduler/), version: 1.7.0
2021-07-13T17:18:51,664   Found link https://files.pythonhosted.org/packages/b6/47/98e98025c3b4f29097f4432d6b7a8ab4b4f182732aac390b93f12d1fb4c2/Flask-APScheduler-1.7.1.tar.gz#sha256=d17f80ab86499b42968150f24ea1f22abc81294278aa4c9c9ac181bcbffbd821 (from https://pypi.org/simple/flask-apscheduler/), version: 1.7.1
2021-07-13T17:18:51,665   Found link https://files.pythonhosted.org/packages/e0/38/20880194db4efd24caa69166a40161280be5a0f14abf315aef497e85ea80/Flask-APScheduler-1.8.0.tar.gz#sha256=75ba47a5b6e526892a77213f7f4a6941943dc61768764bd880848c079160ce62 (from https://pypi.org/simple/flask-apscheduler/), version: 1.8.0
2021-07-13T17:18:51,665   Found link https://files.pythonhosted.org/packages/35/9d/d3afe8d9f1bd2aa4444e5fc2e2eea554923c59750bca23e5f3270801fd73/Flask-APScheduler-1.9.0.tar.gz#sha256=c9b41cc1c3fba56cc98c1a983ca9173b6f1f1f7d1a39133f272edd2ff75e6ea7 (from https://pypi.org/simple/flask-apscheduler/), version: 1.9.0
2021-07-13T17:18:51,665   Found link https://files.pythonhosted.org/packages/5f/02/7dea580a420cbbc55ab8f82d854a27d2f1591134a8e1b1136960e08d5c92/Flask-APScheduler-1.10.0.tar.gz#sha256=fd4ff93272f3927841b799063a124cae0956ff7c42d2703e8e9a7bfb893b8d30 (from https://pypi.org/simple/flask-apscheduler/), version: 1.10.0
2021-07-13T17:18:51,665   Found link https://files.pythonhosted.org/packages/47/fb/151ab93a463bd3d06f2c63cdab96f7b6be4e1919027b0ff21a84b65b7ae9/Flask-APScheduler-1.10.1.tar.gz#sha256=6d5939f3be53dfdb2a136c4382f85a6293d50e8664da27f53b607af0b258b69b (from https://pypi.org/simple/flask-apscheduler/), version: 1.10.1
2021-07-13T17:18:51,666   Found link https://files.pythonhosted.org/packages/85/cd/7a3c34d970b741a24dbbcda49cd892144b5ddcf24acf2e22803d3870cebd/Flask-APScheduler-1.11.0.tar.gz#sha256=7911d66e449f412d92a1a6c524217f44f4c40a5c92148c60d5189c6c402f87d0 (from https://pypi.org/simple/flask-apscheduler/), version: 1.11.0
2021-07-13T17:18:51,666   Found link https://files.pythonhosted.org/packages/4b/ea/1805badb37b014d460c3dcda894421ac31d84c16cda5660ae46d4e406427/Flask-APScheduler-1.12.0.tar.gz#sha256=66df81c47802fb5e5a7b52342f2c07b0b30a43659ae4f73fe118f60a39778625 (from https://pypi.org/simple/flask-apscheduler/), version: 1.12.0
2021-07-13T17:18:51,666   Found link https://files.pythonhosted.org/packages/19/e1/c1747204f31a835164c612e87e97be87493dd587d44d4e160d2ca05d68fb/Flask-APScheduler-1.12.1.tar.gz#sha256=45e19411efb3a7e986ed0b476a2d93900744967782fbc349f54b954ac2440362 (from https://pypi.org/simple/flask-apscheduler/), version: 1.12.1
2021-07-13T17:18:51,667   Found link https://files.pythonhosted.org/packages/47/b6/9008c514ae1f9d8d449e81f8f9748ab622bee7fe97cc86eb94363af885ff/Flask-APScheduler-1.12.2.tar.gz#sha256=b9fe174b90d201d8beeba5522b023208f7bb6e2583fc02fea4be4bce5ee8f9e5 (from https://pypi.org/simple/flask-apscheduler/), version: 1.12.2
2021-07-13T17:18:51,667 Skipping link: not a file: https://pypi.org/simple/flask-apscheduler/
2021-07-13T17:18:51,689 Given no hashes to check 1 links for project 'flask-apscheduler': discarding no candidates
2021-07-13T17:18:51,711 Collecting flask-apscheduler==1.10.0
2021-07-13T17:18:51,713   Created temporary directory: /tmp/pip-unpack-up1jd4ii
2021-07-13T17:18:51,753   Downloading Flask-APScheduler-1.10.0.tar.gz (8.0 kB)
2021-07-13T17:18:51,791   Added flask-apscheduler==1.10.0 from https://files.pythonhosted.org/packages/5f/02/7dea580a420cbbc55ab8f82d854a27d2f1591134a8e1b1136960e08d5c92/Flask-APScheduler-1.10.0.tar.gz#sha256=fd4ff93272f3927841b799063a124cae0956ff7c42d2703e8e9a7bfb893b8d30 to build tracker '/tmp/pip-req-tracker-od75mm2_'
2021-07-13T17:18:51,792     Running setup.py (path:/tmp/pip-wheel-lli_5gyq/flask-apscheduler_c6cf5b2c3f584b66940254dc08f1ef92/setup.py) egg_info for package flask-apscheduler
2021-07-13T17:18:51,793     Created temporary directory: /tmp/pip-pip-egg-info-byfbq1ij
2021-07-13T17:18:51,793     Running command python setup.py egg_info
2021-07-13T17:18:52,870     running egg_info
2021-07-13T17:18:52,873     creating /tmp/pip-pip-egg-info-byfbq1ij/Flask_APScheduler.egg-info
2021-07-13T17:18:52,874     writing /tmp/pip-pip-egg-info-byfbq1ij/Flask_APScheduler.egg-info/PKG-INFO
2021-07-13T17:18:52,876     writing dependency_links to /tmp/pip-pip-egg-info-byfbq1ij/Flask_APScheduler.egg-info/dependency_links.txt
2021-07-13T17:18:52,878     writing requirements to /tmp/pip-pip-egg-info-byfbq1ij/Flask_APScheduler.egg-info/requires.txt
2021-07-13T17:18:52,879     writing top-level names to /tmp/pip-pip-egg-info-byfbq1ij/Flask_APScheduler.egg-info/top_level.txt
2021-07-13T17:18:52,880     writing manifest file '/tmp/pip-pip-egg-info-byfbq1ij/Flask_APScheduler.egg-info/SOURCES.txt'
2021-07-13T17:18:53,030     reading manifest file '/tmp/pip-pip-egg-info-byfbq1ij/Flask_APScheduler.egg-info/SOURCES.txt'
2021-07-13T17:18:53,034     writing manifest file '/tmp/pip-pip-egg-info-byfbq1ij/Flask_APScheduler.egg-info/SOURCES.txt'
2021-07-13T17:18:53,098   Source in /tmp/pip-wheel-lli_5gyq/flask-apscheduler_c6cf5b2c3f584b66940254dc08f1ef92 has version 1.10.0, which satisfies requirement flask-apscheduler==1.10.0 from https://files.pythonhosted.org/packages/5f/02/7dea580a420cbbc55ab8f82d854a27d2f1591134a8e1b1136960e08d5c92/Flask-APScheduler-1.10.0.tar.gz#sha256=fd4ff93272f3927841b799063a124cae0956ff7c42d2703e8e9a7bfb893b8d30
2021-07-13T17:18:53,099   Removed flask-apscheduler==1.10.0 from https://files.pythonhosted.org/packages/5f/02/7dea580a420cbbc55ab8f82d854a27d2f1591134a8e1b1136960e08d5c92/Flask-APScheduler-1.10.0.tar.gz#sha256=fd4ff93272f3927841b799063a124cae0956ff7c42d2703e8e9a7bfb893b8d30 from build tracker '/tmp/pip-req-tracker-od75mm2_'
2021-07-13T17:18:53,103 Created temporary directory: /tmp/pip-unpack-36rzfhrb
2021-07-13T17:18:53,104 Building wheels for collected packages: flask-apscheduler
2021-07-13T17:18:53,108   Created temporary directory: /tmp/pip-wheel-w5kbyaow
2021-07-13T17:18:53,109   Building wheel for flask-apscheduler (setup.py): started
2021-07-13T17:18:53,109   Destination directory: /tmp/pip-wheel-w5kbyaow
2021-07-13T17:18:53,109   Running command /usr/bin/python3 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-wheel-lli_5gyq/flask-apscheduler_c6cf5b2c3f584b66940254dc08f1ef92/setup.py'"'"'; __file__='"'"'/tmp/pip-wheel-lli_5gyq/flask-apscheduler_c6cf5b2c3f584b66940254dc08f1ef92/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-w5kbyaow
2021-07-13T17:18:54,200   running bdist_wheel
2021-07-13T17:18:54,369   running build
2021-07-13T17:18:54,369   running build_py
2021-07-13T17:18:54,508   creating build
2021-07-13T17:18:54,509   creating build/lib
2021-07-13T17:18:54,509   creating build/lib/flask_apscheduler
2021-07-13T17:18:54,510   copying flask_apscheduler/utils.py -> build/lib/flask_apscheduler
2021-07-13T17:18:54,513   copying flask_apscheduler/scheduler.py -> build/lib/flask_apscheduler
2021-07-13T17:18:54,515   copying flask_apscheduler/auth.py -> build/lib/flask_apscheduler
2021-07-13T17:18:54,517   copying flask_apscheduler/json.py -> build/lib/flask_apscheduler
2021-07-13T17:18:54,519   copying flask_apscheduler/__init__.py -> build/lib/flask_apscheduler
2021-07-13T17:18:54,521   copying flask_apscheduler/api.py -> build/lib/flask_apscheduler
2021-07-13T17:18:54,529   installing to build/bdist.linux-armv7l/wheel
2021-07-13T17:18:54,529   running install
2021-07-13T17:18:54,530   running install_lib
2021-07-13T17:18:54,534   creating build/bdist.linux-armv7l
2021-07-13T17:18:54,534   creating build/bdist.linux-armv7l/wheel
2021-07-13T17:18:54,536   creating build/bdist.linux-armv7l/wheel/flask_apscheduler
2021-07-13T17:18:54,537   copying build/lib/flask_apscheduler/utils.py -> build/bdist.linux-armv7l/wheel/flask_apscheduler
2021-07-13T17:18:54,539   copying build/lib/flask_apscheduler/scheduler.py -> build/bdist.linux-armv7l/wheel/flask_apscheduler
2021-07-13T17:18:54,542   copying build/lib/flask_apscheduler/auth.py -> build/bdist.linux-armv7l/wheel/flask_apscheduler
2021-07-13T17:18:54,544   copying build/lib/flask_apscheduler/json.py -> build/bdist.linux-armv7l/wheel/flask_apscheduler
2021-07-13T17:18:54,546   copying build/lib/flask_apscheduler/__init__.py -> build/bdist.linux-armv7l/wheel/flask_apscheduler
2021-07-13T17:18:54,548   copying build/lib/flask_apscheduler/api.py -> build/bdist.linux-armv7l/wheel/flask_apscheduler
2021-07-13T17:18:54,550   running install_data
2021-07-13T17:18:54,553   creating build/bdist.linux-armv7l/wheel/Flask_APScheduler-1.10.0.data
2021-07-13T17:18:54,553   creating build/bdist.linux-armv7l/wheel/Flask_APScheduler-1.10.0.data/data
2021-07-13T17:18:54,554   error: can't copy 'LICENSE': doesn't exist or not a regular file
2021-07-13T17:18:54,628   Building wheel for flask-apscheduler (setup.py): finished with status 'error'
2021-07-13T17:18:54,629   ERROR: Failed building wheel for flask-apscheduler
2021-07-13T17:18:54,629   Running setup.py clean for flask-apscheduler
2021-07-13T17:18:54,630   Running command /usr/bin/python3 -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'/tmp/pip-wheel-lli_5gyq/flask-apscheduler_c6cf5b2c3f584b66940254dc08f1ef92/setup.py'"'"'; __file__='"'"'/tmp/pip-wheel-lli_5gyq/flask-apscheduler_c6cf5b2c3f584b66940254dc08f1ef92/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
2021-07-13T17:18:55,693   running clean
2021-07-13T17:18:55,696   removing 'build/lib' (and everything under it)
2021-07-13T17:18:55,698   removing 'build/bdist.linux-armv7l' (and everything under it)
2021-07-13T17:18:55,704   'build/scripts-3.9' does not exist -- can't clean it
2021-07-13T17:18:55,705   removing 'build'
2021-07-13T17:18:55,761 Failed to build flask-apscheduler
2021-07-13T17:18:55,761 ERROR: Failed to build one or more wheels
2021-07-13T17:18:55,762 Exception information:
2021-07-13T17:18:55,762 Traceback (most recent call last):
2021-07-13T17:18:55,762   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-07-13T17:18:55,762     status = self.run(options, args)
2021-07-13T17:18:55,762   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2021-07-13T17:18:55,762     return func(self, options, args)
2021-07-13T17:18:55,762   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/commands/wheel.py", line 174, in run
2021-07-13T17:18:55,762     raise CommandError(
2021-07-13T17:18:55,762 pip._internal.exceptions.CommandError: Failed to build one or more wheels
2021-07-13T17:18:55,765 Removed build tracker: '/tmp/pip-req-tracker-od75mm2_'