2021-07-13T23:12:05,463 Created temporary directory: /tmp/pip-ephem-wheel-cache-zv9ctc3q
2021-07-13T23:12:05,466 Created temporary directory: /tmp/pip-req-tracker-8b3o7wtc
2021-07-13T23:12:05,467 Initialized build tracking at /tmp/pip-req-tracker-8b3o7wtc
2021-07-13T23:12:05,467 Created build tracker: /tmp/pip-req-tracker-8b3o7wtc
2021-07-13T23:12:05,467 Entered build tracker: /tmp/pip-req-tracker-8b3o7wtc
2021-07-13T23:12:05,468 Created temporary directory: /tmp/pip-wheel-9v8t5_hd
2021-07-13T23:12:05,497 1 location(s) to search for versions of deltachat:
2021-07-13T23:12:05,497 * https://pypi.org/simple/deltachat/
2021-07-13T23:12:05,498 Fetching project page and analyzing links: https://pypi.org/simple/deltachat/
2021-07-13T23:12:05,498 Getting page https://pypi.org/simple/deltachat/
2021-07-13T23:12:05,500 Found index url https://pypi.org/simple
2021-07-13T23:12:05,694   Found link https://files.pythonhosted.org/packages/2d/c7/478cd3b7d2c506bdb457d13c1eeb4b58829f306bed8ca773c8690e3e4dff/deltachat-0.5.dev0.tar.gz#sha256=fa4624405da59a80a81b73b96fb01fc3f635a16feaa5bf69b08c297c7faf7c01 (from https://pypi.org/simple/deltachat/), version: 0.5.dev0
2021-07-13T23:12:05,694   Found link https://files.pythonhosted.org/packages/ee/92/5c7be5342540fa3d235ec844ae84505c5db1ef322263ff149621dfe119b8/deltachat-0.6.0.tar.gz#sha256=5218e72dd3d8c204655b44133a2e71dda0a0361875ccee042ba9d6fe770d38b6 (from https://pypi.org/simple/deltachat/), version: 0.6.0
2021-07-13T23:12:05,695   Found link https://files.pythonhosted.org/packages/a6/de/0ff8ff6b8c627c341ed3bde0aaea77efdccec802603c54429034f1731507/deltachat-0.7.0.tar.gz#sha256=f2982fb8a7a1f1205be9f400b1ed7e113c1620602fdecca8965dde901dd12e1b (from https://pypi.org/simple/deltachat/), version: 0.7.0
2021-07-13T23:12:05,695   Found link https://files.pythonhosted.org/packages/59/65/9d5d3d44a98d7d434d9e71883159b8a43f0feff800bb31932197e830a8f8/deltachat-0.7.1.tar.gz#sha256=ca33ddea54f60021f052617ee1952d733c3f9618c004192cc85fb7734872fe9a (from https://pypi.org/simple/deltachat/), version: 0.7.1
2021-07-13T23:12:05,695   Found link https://files.pythonhosted.org/packages/e1/82/66c919970d8cac4de659a8550ca5d4036df73a5a46443273bbf7d419c52b/deltachat-0.8.0.tar.gz#sha256=cc388842612fcf21c79063011d4109d7ba5cb61f1768b9cbd7e228d6d43611a2 (from https://pypi.org/simple/deltachat/), version: 0.8.0
2021-07-13T23:12:05,713   Skipping link: none of the wheel's tags (cp27-cp27m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/a8/1b/d685a6d4fea152cb6e41cef3f221eaaf05b89d9fc0eaa5e9c55750e77957/deltachat-0.600.0-cp27-cp27m-manylinux1_x86_64.whl#sha256=28cc7863fd1c19218f6cc9e7964bc60c949a23a1b3f15d36f6ae2759271c0851 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,713   Skipping link: none of the wheel's tags (cp35-cp35m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/11/6f/e554436c6d8a2346c6337077386660bf0753ca029b58b1d71ba2ef02c209/deltachat-0.600.0-cp35-cp35m-manylinux1_x86_64.whl#sha256=1feb338dd5baf4b5a5cfd3fad5d28101cef556919c6bcba36a8fb12bdd15238c (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,714   Skipping link: none of the wheel's tags (cp36-cp36m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/16/ec/4d5e089785e2e21c1fc400684beb2f82379663cd4d23a7369059b8dafdb3/deltachat-0.600.0-cp36-cp36m-manylinux1_x86_64.whl#sha256=db95ed6ed8d8f9e8235be0b8ff362cd51d2b7172319030bbe15a77354487c91d (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,714   Skipping link: none of the wheel's tags (cp37-cp37m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/eb/ca/3b07ec05540e425bff11dd044cc953d1be4abe5c406d8e965cc8c3660666/deltachat-0.600.0-cp37-cp37m-manylinux1_x86_64.whl#sha256=607c22d37d7ec48f27e9f25f50a2c9220cc42067ceb18b4cc5e72de6ce145591 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,715   Skipping link: none of the wheel's tags (cp35-cp35m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/ed/07/3d194da590ab0a22de73528f42098f5db1e12ced1a44f7c49dc75b4388c6/deltachat-0.700.0-cp35-cp35m-manylinux1_x86_64.whl#sha256=ee297934022882e1305bd02846be8c3ec604caeefee91488bf47c3868b5fc6ce (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,715   Skipping link: none of the wheel's tags (cp36-cp36m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/53/8a/8718249d7eee0573fd717c51809d5d893c3677006bf7b647a5b273f51d76/deltachat-0.700.0-cp36-cp36m-manylinux1_x86_64.whl#sha256=cc6bacba1680b9e88decec8c0b481456f91b5c40cb5ceb895d2d3eb17f750094 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,716   Skipping link: none of the wheel's tags (cp37-cp37m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/11/be/50ca875b491a8833426959d6dce2c19530a103b88cc926156d2e49dcec21/deltachat-0.700.0-cp37-cp37m-manylinux1_x86_64.whl#sha256=82529145fea9b65b17839afde778eaf309609238a59825263d59ccabd00edc09 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,719   Skipping link: none of the wheel's tags (cp38-cp38-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/29/af/1ba9e4088323cec7cdc20d907ba0f4dd68d861c14df7bed7d5ccce4efd01/deltachat-0.700.0-cp38-cp38-manylinux1_x86_64.whl#sha256=7fea2d611377e785dd6a25d64bebaa12be763a3057207dc46b95961a873edff0 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,719   Found link https://files.pythonhosted.org/packages/c3/85/0ad1469159eb045575221cdd0606c3ee7355e66f2d3b0afe9c0164f54393/deltachat-0.700.0.zip#sha256=9057cc92db15d0152ac53c782695cd1515893b88f2efc6a95e9e071004907968 (from https://pypi.org/simple/deltachat/), version: 0.700.0
2021-07-13T23:12:05,720   Skipping link: none of the wheel's tags (cp35-cp35m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/88/d0/32a98a4a814b4e59d02c68056ab330bf5399070919097e05e268f9c4c02c/deltachat-0.800.0-cp35-cp35m-manylinux1_x86_64.whl#sha256=6f05ed4041c87839720d21cf05caebfd8fd2ac661bd6636d754b4b773caf9dd0 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,721   Skipping link: none of the wheel's tags (cp36-cp36m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/ba/f4/1146d19063b0513cf289d894772500399a607ed77606369d60081be0feb7/deltachat-0.800.0-cp36-cp36m-manylinux1_x86_64.whl#sha256=58bfcef7221b83c0d27238548135117278b52aa12b28afd448e5c12ac941841b (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,721   Skipping link: none of the wheel's tags (cp37-cp37m-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/d9/46/7ed624533db22e6e200d5fa3595e037a18ff98739c3755d088b7c35ae488/deltachat-0.800.0-cp37-cp37m-manylinux1_x86_64.whl#sha256=ef3d2e187fa4db58101d44e2c113851b0dfeca5d4b64f40a9c136db36efb4a1d (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,721   Skipping link: none of the wheel's tags (cp38-cp38-manylinux1_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/27/49/b1c7f2cff2f531ac5301717e3a49e82ae4ba1f9f9ce1c70127612df15a92/deltachat-0.800.0-cp38-cp38-manylinux1_x86_64.whl#sha256=b4b5814280f2ee46e32eec94449eb61b733f20f558d875af2737e149618cc509 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,722   Found link https://files.pythonhosted.org/packages/64/63/bf48ab05fefc6e7a5f4b8acac845cfaa034a5e422628c2c53e6c7996d6a5/deltachat-0.800.0.zip#sha256=74a3a062a704b9019025f7332e68c0c01237a97e225a809a6da1e918433393c6 (from https://pypi.org/simple/deltachat/), version: 0.800.0
2021-07-13T23:12:05,722   Skipping link: none of the wheel's tags (cp35-cp35m-manylinux2014_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/ba/31/ba3f1d5fdfbdbd2c0624d2d3c92631e2278876f6a54a2be1f144a53ca9ea/deltachat-1.40.0-cp35-cp35m-manylinux2014_x86_64.whl#sha256=0489c2f8270e8618f364202431255b48ea244d1b5f688d043efd0df8c5791b6a (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,723   Skipping link: none of the wheel's tags (cp36-cp36m-manylinux2014_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/25/c2/a5108cae443aaed21dd8099f8b1dedcc4781937b9a2795307229005e7b56/deltachat-1.40.0-cp36-cp36m-manylinux2014_x86_64.whl#sha256=9d33d578c954cffe0f6058d287c1966089283e898d7b0e11377021d3bb96e3ce (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,723   Skipping link: none of the wheel's tags (cp37-cp37m-manylinux2014_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/b5/61/6ed87841a431f7c4a56b7ece221ae461e1c206208c2a6bd0c4a626e02302/deltachat-1.40.0-cp37-cp37m-manylinux2014_x86_64.whl#sha256=3b7827fe57d414faee40a7d45638641fdbe3032f464c64c0b6c64b1f1a27b122 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,724   Skipping link: none of the wheel's tags (cp38-cp38-manylinux2014_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/47/70/2fb0b5633232a442e0d4e6ca464d5dfa87dcc07b7bdf0d22a8fa6a516aaa/deltachat-1.40.0-cp38-cp38-manylinux2014_x86_64.whl#sha256=d557f8f8a006c9f848126bc39e6a3e15c5baa289708a62e33f3462ac5f7a6052 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,724   Found link https://files.pythonhosted.org/packages/85/c4/0827dd999c6cca7f8255d817e6fa9f313c9d0dbc4b666053d6a673f77c38/deltachat-1.40.0.zip#sha256=51363f8cb848450be635edf2b5fb976711ed9ee5d94ead89eec23b8d94e218e2 (from https://pypi.org/simple/deltachat/), version: 1.40.0
2021-07-13T23:12:05,724   Skipping link: none of the wheel's tags (cp35-cp35m-manylinux2014_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/31/cf/d91b9a691ca6492e95543309b1ca6769e4ab77b0d18bc9776a05751daa59/deltachat-1.51.0-cp35-cp35m-manylinux2014_x86_64.whl#sha256=bf63a46b52e4b324b79bc4eafc8931c3e34dbf72ac871e1b01daff4d9ffe5e6d (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,725   Skipping link: none of the wheel's tags (cp36-cp36m-manylinux2014_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/1c/0c/47a7bedba764f03224c4f961aaad8b176a9bea10a0608a07a2ec5800ce10/deltachat-1.51.0-cp36-cp36m-manylinux2014_x86_64.whl#sha256=8ecd2b0e8ec98429cf0d7fbf4d13e6f29816377fe4aa1abcf8ad6b099bbabbab (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,725   Skipping link: none of the wheel's tags (cp37-cp37m-manylinux2014_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/05/b0/0bbfcc0ea01e7dfbb4b792fb503eb6e8bcb3ff420832826d179e311937d2/deltachat-1.51.0-cp37-cp37m-manylinux2014_x86_64.whl#sha256=2a02d6571823d1c5d455c0239c1a8b10b4b412701e80493240eafecfd12a5af5 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,726   Skipping link: none of the wheel's tags (cp38-cp38-manylinux2014_x86_64) are compatible (run pip debug --verbose to show compatible tags): https://files.pythonhosted.org/packages/a0/c1/61c44187c34fc8a7dcaa27a5b132f85ea1f2e843bdf463c105909c3d1d2e/deltachat-1.51.0-cp38-cp38-manylinux2014_x86_64.whl#sha256=819cd81484ce65571dbd34e8e66ff91e5e2abe7afb8a77ce7f3d45a8d83c3322 (from https://pypi.org/simple/deltachat/)
2021-07-13T23:12:05,726   Found link https://files.pythonhosted.org/packages/01/a7/b4f0f82a4c4331e215d8f03c336814b0b130930da464a8b19746f3178320/deltachat-1.51.0.zip#sha256=32355d6f2fafdada97d000e49315f9b30049969a0d546812bbb0b356c9fbe56e (from https://pypi.org/simple/deltachat/), version: 1.51.0
2021-07-13T23:12:05,726 Skipping link: not a file: https://pypi.org/simple/deltachat/
2021-07-13T23:12:05,728 Given no hashes to check 1 links for project 'deltachat': discarding no candidates
2021-07-13T23:12:05,747 Collecting deltachat==0.8.0
2021-07-13T23:12:05,749   Created temporary directory: /tmp/pip-unpack-7lapy4mg
2021-07-13T23:12:05,926   Downloading deltachat-0.8.0.tar.gz (18 kB)
2021-07-13T23:12:06,000   Added deltachat==0.8.0 from https://files.pythonhosted.org/packages/e1/82/66c919970d8cac4de659a8550ca5d4036df73a5a46443273bbf7d419c52b/deltachat-0.8.0.tar.gz#sha256=cc388842612fcf21c79063011d4109d7ba5cb61f1768b9cbd7e228d6d43611a2 to build tracker '/tmp/pip-req-tracker-8b3o7wtc'
2021-07-13T23:12:06,001     Running setup.py (path:/tmp/pip-wheel-9v8t5_hd/deltachat_ec018c5b15e149bcba75ffa331003eb9/setup.py) egg_info for package deltachat
2021-07-13T23:12:06,002     Created temporary directory: /tmp/pip-pip-egg-info-4za57te5
2021-07-13T23:12:06,002     Running command python setup.py egg_info
2021-07-13T23:12:07,371     /tmp/tmph9dnf9mj.h:1:10: fatal error: deltachat/deltachat.h: No such file or directory
2021-07-13T23:12:07,372         1 | #include <deltachat/deltachat.h>
2021-07-13T23:12:07,372           |          ^~~~~~~~~~~~~~~~~~~~~~~
2021-07-13T23:12:07,372     compilation terminated.
2021-07-13T23:12:07,377     Traceback (most recent call last):
2021-07-13T23:12:07,378       File "/usr/lib/python3.9/distutils/unixccompiler.py", line 107, in preprocess
2021-07-13T23:12:07,396         self.spawn(pp_args)
2021-07-13T23:12:07,397       File "/usr/lib/python3.9/distutils/ccompiler.py", line 910, in spawn
2021-07-13T23:12:07,398         spawn(cmd, dry_run=self.dry_run)
2021-07-13T23:12:07,398       File "/usr/lib/python3.9/distutils/spawn.py", line 87, in spawn
2021-07-13T23:12:07,399         raise DistutilsExecError(
2021-07-13T23:12:07,399     distutils.errors.DistutilsExecError: command '/usr/bin/arm-linux-gnueabihf-gcc' failed with exit code 1

2021-07-13T23:12:07,399     During handling of the above exception, another exception occurred:

2021-07-13T23:12:07,400     Traceback (most recent call last):
2021-07-13T23:12:07,400       File "src/deltachat/_build.py", line 45, in ffibuilder
2021-07-13T23:12:07,400         cc.preprocess(source=src_fp.name,
2021-07-13T23:12:07,400       File "/usr/lib/python3.9/distutils/unixccompiler.py", line 109, in preprocess
2021-07-13T23:12:07,401         raise CompileError(msg)
2021-07-13T23:12:07,401     distutils.errors.CompileError: command '/usr/bin/arm-linux-gnueabihf-gcc' failed with exit code 1

2021-07-13T23:12:07,401     During handling of the above exception, another exception occurred:

2021-07-13T23:12:07,401     Traceback (most recent call last):
2021-07-13T23:12:07,402       File "<string>", line 1, in <module>
2021-07-13T23:12:07,402       File "/tmp/pip-wheel-9v8t5_hd/deltachat_ec018c5b15e149bcba75ffa331003eb9/setup.py", line 45, in <module>
2021-07-13T23:12:07,402         main()
2021-07-13T23:12:07,402       File "/tmp/pip-wheel-9v8t5_hd/deltachat_ec018c5b15e149bcba75ffa331003eb9/setup.py", line 8, in main
2021-07-13T23:12:07,402         setuptools.setup(
2021-07-13T23:12:07,403       File "/usr/local/lib/python3.9/dist-packages/setuptools/__init__.py", line 153, in setup
2021-07-13T23:12:07,403         return distutils.core.setup(**attrs)
2021-07-13T23:12:07,403       File "/usr/lib/python3.9/distutils/core.py", line 108, in setup
2021-07-13T23:12:07,403         _setup_distribution = dist = klass(attrs)
2021-07-13T23:12:07,404       File "/usr/local/lib/python3.9/dist-packages/setuptools/dist.py", line 455, in __init__
2021-07-13T23:12:07,404         _Distribution.__init__(self, {
2021-07-13T23:12:07,405       File "/usr/lib/python3.9/distutils/dist.py", line 292, in __init__
2021-07-13T23:12:07,405         self.finalize_options()
2021-07-13T23:12:07,406       File "/usr/local/lib/python3.9/dist-packages/setuptools/dist.py", line 807, in finalize_options
2021-07-13T23:12:07,407         ep(self)
2021-07-13T23:12:07,407       File "/usr/local/lib/python3.9/dist-packages/setuptools/dist.py", line 814, in _finalize_setup_keywords
2021-07-13T23:12:07,408         ep.load()(self, ep.name, value)
2021-07-13T23:12:07,409       File "/usr/lib/python3/dist-packages/cffi/setuptools_ext.py", line 219, in cffi_modules
2021-07-13T23:12:07,437         add_cffi_module(dist, cffi_module)
2021-07-13T23:12:07,437       File "/usr/lib/python3/dist-packages/cffi/setuptools_ext.py", line 57, in add_cffi_module
2021-07-13T23:12:07,437         ffi = ffi()      # maybe it's a function instead of directly an ffi
2021-07-13T23:12:07,438       File "src/deltachat/_build.py", line 48, in ffibuilder
2021-07-13T23:12:07,438         builder.cdef(dst_fp.read())
2021-07-13T23:12:07,438       File "/usr/lib/python3.9/tempfile.py", line 632, in __exit__
2021-07-13T23:12:07,481         self.close()
2021-07-13T23:12:07,481       File "/usr/lib/python3.9/tempfile.py", line 639, in close
2021-07-13T23:12:07,482         self._closer.close()
2021-07-13T23:12:07,483       File "/usr/lib/python3.9/tempfile.py", line 576, in close
2021-07-13T23:12:07,484         unlink(self.name)
2021-07-13T23:12:07,484     FileNotFoundError: [Errno 2] No such file or directory: '/tmp/tmpdjaee2ls'
2021-07-13T23:12:07,560 WARNING: Discarding https://files.pythonhosted.org/packages/e1/82/66c919970d8cac4de659a8550ca5d4036df73a5a46443273bbf7d419c52b/deltachat-0.8.0.tar.gz#sha256=cc388842612fcf21c79063011d4109d7ba5cb61f1768b9cbd7e228d6d43611a2 (from https://pypi.org/simple/deltachat/). Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
2021-07-13T23:12:07,562 ERROR: Could not find a version that satisfies the requirement deltachat==0.8.0 (from versions: 0.5.dev0, 0.6.0, 0.7.0, 0.7.1, 0.8.0, 0.700.0, 0.800.0, 1.40.0, 1.51.0)
2021-07-13T23:12:07,562 ERROR: No matching distribution found for deltachat==0.8.0
2021-07-13T23:12:07,562 Exception information:
2021-07-13T23:12:07,562 Traceback (most recent call last):
2021-07-13T23:12:07,562   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 341, in resolve
2021-07-13T23:12:07,562     name, crit = self._merge_into_criterion(r, parent=None)
2021-07-13T23:12:07,562   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-07-13T23:12:07,562     raise RequirementsConflicted(criterion)
2021-07-13T23:12:07,562 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('deltachat==0.8.0')
2021-07-13T23:12:07,562 
2021-07-13T23:12:07,562 During handling of the above exception, another exception occurred:
2021-07-13T23:12:07,562 
2021-07-13T23:12:07,562 Traceback (most recent call last):
2021-07-13T23:12:07,562   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 127, in resolve
2021-07-13T23:12:07,562     result = self._result = resolver.resolve(
2021-07-13T23:12:07,562   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 473, in resolve
2021-07-13T23:12:07,562     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-07-13T23:12:07,562   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 343, in resolve
2021-07-13T23:12:07,562     raise ResolutionImpossible(e.criterion.information)
2021-07-13T23:12:07,562 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('deltachat==0.8.0'), parent=None)]
2021-07-13T23:12:07,562 
2021-07-13T23:12:07,562 The above exception was the direct cause of the following exception:
2021-07-13T23:12:07,562 
2021-07-13T23:12:07,562 Traceback (most recent call last):
2021-07-13T23:12:07,562   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-07-13T23:12:07,562     status = self.run(options, args)
2021-07-13T23:12:07,562   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2021-07-13T23:12:07,562     return func(self, options, args)
2021-07-13T23:12:07,562   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/commands/wheel.py", line 142, in run
2021-07-13T23:12:07,562     requirement_set = resolver.resolve(
2021-07-13T23:12:07,562   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 136, in resolve
2021-07-13T23:12:07,562     raise error from e
2021-07-13T23:12:07,562 pip._internal.exceptions.DistributionNotFound: No matching distribution found for deltachat==0.8.0
2021-07-13T23:12:07,567 Removed deltachat==0.8.0 from https://files.pythonhosted.org/packages/e1/82/66c919970d8cac4de659a8550ca5d4036df73a5a46443273bbf7d419c52b/deltachat-0.8.0.tar.gz#sha256=cc388842612fcf21c79063011d4109d7ba5cb61f1768b9cbd7e228d6d43611a2 from build tracker '/tmp/pip-req-tracker-8b3o7wtc'
2021-07-13T23:12:07,568 Removed build tracker: '/tmp/pip-req-tracker-8b3o7wtc'