2022-03-20T12:42:50,256 Created temporary directory: /tmp/pip-ephem-wheel-cache-olqlz202
2022-03-20T12:42:50,261 Created temporary directory: /tmp/pip-req-tracker-9kwusfpk
2022-03-20T12:42:50,262 Initialized build tracking at /tmp/pip-req-tracker-9kwusfpk
2022-03-20T12:42:50,262 Created build tracker: /tmp/pip-req-tracker-9kwusfpk
2022-03-20T12:42:50,263 Entered build tracker: /tmp/pip-req-tracker-9kwusfpk
2022-03-20T12:42:50,264 Created temporary directory: /tmp/pip-wheel-niosqaov
2022-03-20T12:42:50,331 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2022-03-20T12:42:50,340 2 location(s) to search for versions of certbot-dns-duckdns:
2022-03-20T12:42:50,340 * https://pypi.org/simple/certbot-dns-duckdns/
2022-03-20T12:42:50,340 * https://www.piwheels.org/simple/certbot-dns-duckdns/
2022-03-20T12:42:50,342 Fetching project page and analyzing links: https://pypi.org/simple/certbot-dns-duckdns/
2022-03-20T12:42:50,343 Getting page https://pypi.org/simple/certbot-dns-duckdns/
2022-03-20T12:42:50,346 Found index url https://pypi.org/simple
2022-03-20T12:42:50,475   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/9c/1f/c9e7e5820b711cf60ae3492a839850311e4a26c96182b5a40521ecb626ba/certbot_dns_duckdns-0.1-py3-none-any.whl#sha256=bb53289a17e26ab5c863dd10a77b5839e7578dfe113313b810b5f0d9cda21a21 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,476   Found link https://files.pythonhosted.org/packages/b1/e3/cf7664185ba0a9e24072398b3da92aed92068b96ab86ac15e4d243a91cac/certbot_dns_duckdns-0.1.tar.gz#sha256=4e7ca50b046a064a9cfbece6d10dfc345596e63825cff88cb5be27c08298c640 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.1
2022-03-20T12:42:50,477   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/f4/63/aa5852554bd8089305ad580867aaaeae21703ab3340ca90c775ae6f9a988/certbot_dns_duckdns-0.2-py3-none-any.whl#sha256=d3c0aef29df73922fd05c3deefd234cf4ff6abd135e9d1a65d6fb305a5dd15cd (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,479   Found link https://files.pythonhosted.org/packages/02/23/05fa2afc27a19f01351742d451761af71f89211b7a182d05afb1100b66a7/certbot_dns_duckdns-0.2.tar.gz#sha256=3077f232f38c02a31f3ee6a0b454113c5e950b35ee50bac459eeaa742e812ab1 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.2
2022-03-20T12:42:50,479   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/6a/39/626aa95c1f9debc079373f3b10a0a87f346eac1788874caeae1031a8694c/certbot_dns_duckdns-0.3-py3-none-any.whl#sha256=22ed24ce43a0080407baadaef0fdd6cfd579dc2156bc97c6c3bd0f4aca62b4f0 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,480   Found link https://files.pythonhosted.org/packages/80/41/2b8c33d525c5dacdfd95be07b0aa7b745394b1c8da7013ae00808b9424e6/certbot_dns_duckdns-0.3.tar.gz#sha256=257ecf028423848586f1b4c13e1013325421bf3bd27c3e64b1be5b3a81d96f44 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.3
2022-03-20T12:42:50,481   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/17/c9/555b09d480607346717258a4ed00d01530b6453729111111a201d7538474/certbot_dns_duckdns-0.4-py3-none-any.whl#sha256=ab668b20551db9d4fee526337ce0c10cbe2a3ff1162c1440accbe59ee9cc9643 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,483   Found link https://files.pythonhosted.org/packages/c9/e8/1c280c3e64e3a15d199884539971c82455ffd4a7d8f98af55606db0cbf52/certbot_dns_duckdns-0.4.tar.gz#sha256=206faac997c33c546362d122b21f41087270ff961bbcc69cad7cffef68598dbd (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.4
2022-03-20T12:42:50,483   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/89/a9/0a9d1247fe1df01bd859d6a17ba82ea9efebd2534cf041250644741609d4/certbot_dns_duckdns-0.5-py3-none-any.whl#sha256=d5e0a9c3e09522e34fe28ff6f4c4fe8f96450b02d0fa402611a71ceb90f711a2 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,485   Found link https://files.pythonhosted.org/packages/ca/6f/c2187d7700cd5ad1fa7cd748aaadd0a761e00216019e7971929cdf44db0b/certbot_dns_duckdns-0.5.tar.gz#sha256=0457eaab402705db5976a145af8d8639f969fc77098cf28cc7d0fc620fdf3147 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.5
2022-03-20T12:42:50,485   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/98/ba/06f41a488b1092583ffbf251d813c2db5da5771fc0c52b8f8ac719419ce8/certbot_dns_duckdns-0.6-py3-none-any.whl#sha256=943901def32c08c7ae9a2aa9cf843a197ae200e3911c855c6ebc49b225fb9a70 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,487   Found link https://files.pythonhosted.org/packages/03/2c/a4f7a1333a47e5763413f2f27b28125b79f8efcaaf59076f5fb054610595/certbot_dns_duckdns-0.6.tar.gz#sha256=209ff9f43d827b800890e1011165059447f0fb031799dc1636b44965fa4c3f93 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.6
2022-03-20T12:42:50,487   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/54/59/2367f1f086d66b8ef24c85fff2240b8430981238fc355c92ce6d621da303/certbot_dns_duckdns-0.6.1-py3-none-any.whl#sha256=69c246965821b07d46c34e03bfb80001f95beca7b4f99635204e40155819db41 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,489   Found link https://files.pythonhosted.org/packages/da/55/b4f12663455b013435673038241cdc4f5aaba3eb16adb0d6d67bd7e73e39/certbot_dns_duckdns-0.6.1.tar.gz#sha256=9f79b9009fb7597b44c1a8f32eb19635e9e926f866099047bd0a52535abc13cc (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.6.1
2022-03-20T12:42:50,489   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/3b/92/fde8f3c6d9f05670b243232e8f68756e97d9e4622eb084a6ce169428577d/certbot_dns_duckdns-0.7-py3-none-any.whl#sha256=686a3b2ffc403f388304d82d370e76e29bbb8f284b874da3b2221b45f3832072 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,490   Found link https://files.pythonhosted.org/packages/ae/74/75d5d424ebcbfe30b09bdfebafa396e88f3162f3ee3045daaaf596f8e413/certbot_dns_duckdns-0.7.tar.gz#sha256=1f491b9602b7cf97019f2452a552d3f5e12945e84d34f439c4d38b9ea662f96d (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.7
2022-03-20T12:42:50,491   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/6a/0a/ef8d6ad62ff7af849f2de51906cf977586a0fe96d13ce70acd8b81a2f4bd/certbot_dns_duckdns-0.7.1-py3-none-any.whl#sha256=33cea6db60673e9a29a9c9fd05810af4f8de3d40d04a5ee4a25fe18676c3e41f (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,492   Found link https://files.pythonhosted.org/packages/6f/48/25b91709532e59e24671ce263d50fe7459343ed18dc4ab2437c78184aac4/certbot_dns_duckdns-0.7.1.tar.gz#sha256=a97d940d8acea61812509d8190fc2bb0c8a55003c74d8a06cd933177e66497e9 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.7.1
2022-03-20T12:42:50,493   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/76/1e/110566c6966def0f6620926dc17134efb189e9ab83589fc0db7d9352cf5f/certbot_dns_duckdns-0.7.2-py3-none-any.whl#sha256=1666eb2aef07ef299aea7324e2c1ca22353345cb22448bcbbd1ff0923b55bd12 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,495   Found link https://files.pythonhosted.org/packages/9a/f9/2f6b1cba888bbcf1718c1b55967333d3b132b2576ccf3fb3b9760eb742d3/certbot_dns_duckdns-0.7.2.tar.gz#sha256=75536c62d17949b829b30a821f36730af0777a14caba842ff47d3b13afb09434 (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6), version: 0.7.2
2022-03-20T12:42:50,495   Skipping link: No binaries permitted for certbot-dns-duckdns: https://files.pythonhosted.org/packages/95/a6/36c2e5e6a611f03e5f14499cc11ffbf42df84dcd0de634b8162d2059663f/certbot_dns_duckdns-0.8-py3-none-any.whl#sha256=552c76bea542ca944dd1527fbf4547f94fe1665cbe21ef20110593eaf4eee74c (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.7)
2022-03-20T12:42:50,497   Found link https://files.pythonhosted.org/packages/43/28/45082c282b0d0550bcb779f0b60883b6c5e9e25ffcc100ba473f9175add4/certbot_dns_duckdns-0.8.tar.gz#sha256=69376e6bf09b167cc1fd4f071ff32275102155bc348729cf72e3fdfba756a33e (from https://pypi.org/simple/certbot-dns-duckdns/) (requires-python:>=3.7), version: 0.8
2022-03-20T12:42:50,497 Fetching project page and analyzing links: https://www.piwheels.org/simple/certbot-dns-duckdns/
2022-03-20T12:42:50,498 Getting page https://www.piwheels.org/simple/certbot-dns-duckdns/
2022-03-20T12:42:50,500 Found index url https://www.piwheels.org/simple
2022-03-20T12:42:50,716   Skipping link: No binaries permitted for certbot-dns-duckdns: https://www.piwheels.org/simple/certbot-dns-duckdns/certbot_dns_duckdns-0.1-py3-none-any.whl#sha256=bb53289a17e26ab5c863dd10a77b5839e7578dfe113313b810b5f0d9cda21a21 (from https://www.piwheels.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,717   Skipping link: No binaries permitted for certbot-dns-duckdns: https://www.piwheels.org/simple/certbot-dns-duckdns/certbot_dns_duckdns-0.2-py3-none-any.whl#sha256=d3c0aef29df73922fd05c3deefd234cf4ff6abd135e9d1a65d6fb305a5dd15cd (from https://www.piwheels.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,718   Skipping link: No binaries permitted for certbot-dns-duckdns: https://www.piwheels.org/simple/certbot-dns-duckdns/certbot_dns_duckdns-0.3-py3-none-any.whl#sha256=22ed24ce43a0080407baadaef0fdd6cfd579dc2156bc97c6c3bd0f4aca62b4f0 (from https://www.piwheels.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,718   Skipping link: No binaries permitted for certbot-dns-duckdns: https://www.piwheels.org/simple/certbot-dns-duckdns/certbot_dns_duckdns-0.4-py3-none-any.whl#sha256=ab668b20551db9d4fee526337ce0c10cbe2a3ff1162c1440accbe59ee9cc9643 (from https://www.piwheels.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,719   Skipping link: No binaries permitted for certbot-dns-duckdns: https://www.piwheels.org/simple/certbot-dns-duckdns/certbot_dns_duckdns-0.5-py3-none-any.whl#sha256=d5e0a9c3e09522e34fe28ff6f4c4fe8f96450b02d0fa402611a71ceb90f711a2 (from https://www.piwheels.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,719   Skipping link: No binaries permitted for certbot-dns-duckdns: https://www.piwheels.org/simple/certbot-dns-duckdns/certbot_dns_duckdns-0.6-py3-none-any.whl#sha256=943901def32c08c7ae9a2aa9cf843a197ae200e3911c855c6ebc49b225fb9a70 (from https://www.piwheels.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,719   Skipping link: No binaries permitted for certbot-dns-duckdns: https://www.piwheels.org/simple/certbot-dns-duckdns/certbot_dns_duckdns-0.6.1-py3-none-any.whl#sha256=69c246965821b07d46c34e03bfb80001f95beca7b4f99635204e40155819db41 (from https://www.piwheels.org/simple/certbot-dns-duckdns/) (requires-python:>=3.6)
2022-03-20T12:42:50,720 Skipping link: not a file: https://www.piwheels.org/simple/certbot-dns-duckdns/
2022-03-20T12:42:50,720 Skipping link: not a file: https://pypi.org/simple/certbot-dns-duckdns/
2022-03-20T12:42:50,768 Given no hashes to check 1 links for project 'certbot-dns-duckdns': discarding no candidates
2022-03-20T12:42:50,810 Collecting certbot-dns-duckdns==0.8
2022-03-20T12:42:50,814   Created temporary directory: /tmp/pip-unpack-9unlhuz0
2022-03-20T12:42:50,923   Downloading certbot_dns_duckdns-0.8.tar.gz (11 kB)
2022-03-20T12:42:51,018   Added certbot-dns-duckdns==0.8 from https://files.pythonhosted.org/packages/43/28/45082c282b0d0550bcb779f0b60883b6c5e9e25ffcc100ba473f9175add4/certbot_dns_duckdns-0.8.tar.gz#sha256=69376e6bf09b167cc1fd4f071ff32275102155bc348729cf72e3fdfba756a33e to build tracker '/tmp/pip-req-tracker-9kwusfpk'
2022-03-20T12:42:51,020   Running setup.py (path:/tmp/pip-wheel-niosqaov/certbot-dns-duckdns_d6d4be41850342ec8cd0b88d8e48dd35/setup.py) egg_info for package certbot-dns-duckdns
2022-03-20T12:42:51,021   Created temporary directory: /tmp/pip-pip-egg-info-yz36imak
2022-03-20T12:42:51,022   Preparing metadata (setup.py): started
2022-03-20T12:42:51,024   Running command python setup.py egg_info
2022-03-20T12:42:52,504   Traceback (most recent call last):
2022-03-20T12:42:52,505     File "<string>", line 2, in <module>
2022-03-20T12:42:52,506     File "<pip-setuptools-caller>", line 34, in <module>
2022-03-20T12:42:52,506     File "/tmp/pip-wheel-niosqaov/certbot-dns-duckdns_d6d4be41850342ec8cd0b88d8e48dd35/setup.py", line 5, in <module>
2022-03-20T12:42:52,507       with open("Readme.md") as f:
2022-03-20T12:42:52,507   FileNotFoundError: [Errno 2] No such file or directory: 'Readme.md'
2022-03-20T12:42:52,595   ERROR: [present-diagnostic] python setup.py egg_info exited with 1
2022-03-20T12:42:52,634   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2022-03-20T12:42:52,634   exec(compile('"'"''"'"''"'"'
2022-03-20T12:42:52,634   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2022-03-20T12:42:52,634   #
2022-03-20T12:42:52,634   # - It imports setuptools before invoking setup.py, to enable projects that directly
2022-03-20T12:42:52,634   #   import from `distutils.core` to work with newer packaging standards.
2022-03-20T12:42:52,634   # - It provides a clear error message when setuptools is not installed.
2022-03-20T12:42:52,634   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2022-03-20T12:42:52,634   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2022-03-20T12:42:52,634   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2022-03-20T12:42:52,634   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2022-03-20T12:42:52,634   import os, sys, tokenize
2022-03-20T12:42:52,634   
2022-03-20T12:42:52,634   try:
2022-03-20T12:42:52,634       import setuptools
2022-03-20T12:42:52,634   except ImportError as error:
2022-03-20T12:42:52,634       print(
2022-03-20T12:42:52,634           "ERROR: Can not execute `setup.py` since setuptools is not available in "
2022-03-20T12:42:52,634           "the build environment.",
2022-03-20T12:42:52,634           file=sys.stderr,
2022-03-20T12:42:52,634       )
2022-03-20T12:42:52,634       sys.exit(1)
2022-03-20T12:42:52,634   
2022-03-20T12:42:52,634   __file__ = %r
2022-03-20T12:42:52,634   sys.argv[0] = __file__
2022-03-20T12:42:52,634   
2022-03-20T12:42:52,634   if os.path.exists(__file__):
2022-03-20T12:42:52,634       filename = __file__
2022-03-20T12:42:52,634       with tokenize.open(__file__) as f:
2022-03-20T12:42:52,634           setup_py_code = f.read()
2022-03-20T12:42:52,634   else:
2022-03-20T12:42:52,634       filename = "<auto-generated setuptools caller>"
2022-03-20T12:42:52,634       setup_py_code = "from setuptools import setup; setup()"
2022-03-20T12:42:52,634   
2022-03-20T12:42:52,634   exec(compile(setup_py_code, filename, "exec"))
2022-03-20T12:42:52,634   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-niosqaov/certbot-dns-duckdns_d6d4be41850342ec8cd0b88d8e48dd35/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-yz36imak[/]
2022-03-20T12:42:52,635   [bold magenta]cwd[/]: /tmp/pip-wheel-niosqaov/certbot-dns-duckdns_d6d4be41850342ec8cd0b88d8e48dd35/
2022-03-20T12:42:52,636   Preparing metadata (setup.py): finished with status 'error'
2022-03-20T12:42:52,638 ERROR: [present-diagnostic] metadata generation failed
2022-03-20T12:42:52,652 Exception information:
2022-03-20T12:42:52,652 Traceback (most recent call last):
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 64, in generate_metadata
2022-03-20T12:42:52,652     call_subprocess(
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2022-03-20T12:42:52,652     raise error
2022-03-20T12:42:52,652 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2022-03-20T12:42:52,652 
2022-03-20T12:42:52,652 The above exception was the direct cause of the following exception:
2022-03-20T12:42:52,652 
2022-03-20T12:42:52,652 Traceback (most recent call last):
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/base_command.py", line 167, in exc_logging_wrapper
2022-03-20T12:42:52,652     status = run_func(*args)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2022-03-20T12:42:52,652     return func(self, options, args)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/commands/wheel.py", line 145, in run
2022-03-20T12:42:52,652     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 94, in resolve
2022-03-20T12:42:52,652     result = self._result = resolver.resolve(
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve
2022-03-20T12:42:52,652     state = resolution.resolve(requirements, max_rounds=max_rounds)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve
2022-03-20T12:42:52,652     self._add_to_criteria(self.state.criteria, r, parent=None)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria
2022-03-20T12:42:52,652     if not criterion.candidates:
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/structs.py", line 151, in __bool__
2022-03-20T12:42:52,652     return bool(self._sequence)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2022-03-20T12:42:52,652     return any(self)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2022-03-20T12:42:52,652     return (c for c in iterator if id(c) not in self._incompatible_ids)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2022-03-20T12:42:52,652     candidate = func()
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 215, in _make_candidate_from_link
2022-03-20T12:42:52,652     self._link_candidate_cache[link] = LinkCandidate(
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 288, in __init__
2022-03-20T12:42:52,652     super().__init__(
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 158, in __init__
2022-03-20T12:42:52,652     self.dist = self._prepare()
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 227, in _prepare
2022-03-20T12:42:52,652     dist = self._prepare_distribution()
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 299, in _prepare_distribution
2022-03-20T12:42:52,652     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/prepare.py", line 487, in prepare_linked_requirement
2022-03-20T12:42:52,652     return self._prepare_linked_requirement(req, parallel_builds)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/prepare.py", line 556, in _prepare_linked_requirement
2022-03-20T12:42:52,652     dist = _get_prepared_distribution(
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/prepare.py", line 58, in _get_prepared_distribution
2022-03-20T12:42:52,652     abstract_dist.prepare_distribution_metadata(finder, build_isolation)
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/distributions/sdist.py", line 47, in prepare_distribution_metadata
2022-03-20T12:42:52,652     self.req.prepare_metadata()
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/req/req_install.py", line 528, in prepare_metadata
2022-03-20T12:42:52,652     self.metadata_directory = generate_metadata_legacy(
2022-03-20T12:42:52,652   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 71, in generate_metadata
2022-03-20T12:42:52,652     raise MetadataGenerationFailed(package_details=details) from error
2022-03-20T12:42:52,652 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2022-03-20T12:42:52,673 Removed certbot-dns-duckdns==0.8 from https://files.pythonhosted.org/packages/43/28/45082c282b0d0550bcb779f0b60883b6c5e9e25ffcc100ba473f9175add4/certbot_dns_duckdns-0.8.tar.gz#sha256=69376e6bf09b167cc1fd4f071ff32275102155bc348729cf72e3fdfba756a33e from build tracker '/tmp/pip-req-tracker-9kwusfpk'
2022-03-20T12:42:52,674 Removed build tracker: '/tmp/pip-req-tracker-9kwusfpk'