2021-07-14T14:49:04,972 Created temporary directory: /tmp/pip-ephem-wheel-cache-udosa9t0
2021-07-14T14:49:04,975 Created temporary directory: /tmp/pip-req-tracker-bb43sz4s
2021-07-14T14:49:04,976 Initialized build tracking at /tmp/pip-req-tracker-bb43sz4s
2021-07-14T14:49:04,976 Created build tracker: /tmp/pip-req-tracker-bb43sz4s
2021-07-14T14:49:04,976 Entered build tracker: /tmp/pip-req-tracker-bb43sz4s
2021-07-14T14:49:04,977 Created temporary directory: /tmp/pip-wheel-k_wn71p8
2021-07-14T14:49:05,010 1 location(s) to search for versions of backend-ai-webserver:
2021-07-14T14:49:05,010 * https://pypi.org/simple/backend-ai-webserver/
2021-07-14T14:49:05,010 Fetching project page and analyzing links: https://pypi.org/simple/backend-ai-webserver/
2021-07-14T14:49:05,011 Getting page https://pypi.org/simple/backend-ai-webserver/
2021-07-14T14:49:05,012 Found index url https://pypi.org/simple
2021-07-14T14:49:05,115   Found link https://files.pythonhosted.org/packages/d0/1b/f004aa2a5d68b5cff60a57031eb65b64127a3d78265d0ed43e9df634d00d/backend.ai-webserver-20.9.8.tar.gz#sha256=4d99f3b9be4dba36606cc1081b714b5aff1e8db655242d6c369a25f5a7530e02 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.8
2021-07-14T14:49:05,128   Found link https://files.pythonhosted.org/packages/4b/d1/c91e3e9a97bb92cfa1db30e5049828384a2e0a3ef31f5cfc58f32d71dc2e/backend.ai_webserver-20.9.8-py3-none-any.whl#sha256=e6e7b6c4e1ccd92b02d78cb5f1cbef45bef821adcad8181b5fa80d700713e7e6 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.8
2021-07-14T14:49:05,129   Found link https://files.pythonhosted.org/packages/9f/62/a299887bb3b80e59c2c159355fbd66f6626a8b3ca1991702614944b53c0e/backend.ai-webserver-20.9.9.tar.gz#sha256=498cb2ea83a8eba97adf4b3f7a3c0a46129bbeceb6a3e13813b1ec03b141416b (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.9
2021-07-14T14:49:05,130   Found link https://files.pythonhosted.org/packages/c8/41/cef5b060ac213e40cb56d42526f4cd18553c6eeaff6fc36e421d1ed5ea94/backend.ai_webserver-20.9.9-py3-none-any.whl#sha256=f681d3febe862d1b261b945d816e9cfb71874e8be363a10bb5a8e5bfe2ad0487 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.9
2021-07-14T14:49:05,130   Found link https://files.pythonhosted.org/packages/07/d3/fa19fb9c1863fcb9eb508512b67b1a7724f2f27110848c4aafcc61b1ad5d/backend.ai-webserver-20.9.10.tar.gz#sha256=202f17dc59629f34fc7ae133f84cab2c22b1217bd631000f6884935f3096f416 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.10
2021-07-14T14:49:05,131   Found link https://files.pythonhosted.org/packages/9f/83/f665a7f126c6f355d308ec947fe4c046014d344e15628f695129c6ae36bd/backend.ai_webserver-20.9.10-py3-none-any.whl#sha256=59fcf1db0367ef3f9aa193dcb3bd2102461876e36f17180c8eff10e016c694c0 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.10
2021-07-14T14:49:05,132   Found link https://files.pythonhosted.org/packages/2e/6a/01cbf154a5f00b438f47c9ccbecde344b3894b4666134c999afe9e798c61/backend.ai-webserver-20.9.11.tar.gz#sha256=f07f7122437c8ebd3b9ec34a575eb7c18ef48597ab7114496b6b0d7bc9ea4901 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.11
2021-07-14T14:49:05,132   Found link https://files.pythonhosted.org/packages/04/0e/2572c2ae749230e9ea5d836eed34cbe4b941eeb18f5e014fec55d083d9d4/backend.ai_webserver-20.9.11-py3-none-any.whl#sha256=c8e7a0b95af7f296236e4ae7a1043bb8db051d2cbcf07df24723878ec6e30416 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.11
2021-07-14T14:49:05,133   Found link https://files.pythonhosted.org/packages/72/a5/b61d34153df9d5683563dde01d212eac5d757e94692d9920852e683c3c42/backend.ai-webserver-20.9.12.tar.gz#sha256=d3e3d0db0e3a3704c2dbef41c8bfc8a40d93da46e4ae087a374f5cb34f3bcf34 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.12
2021-07-14T14:49:05,134   Found link https://files.pythonhosted.org/packages/a2/8c/323596fe4c6d4c68b385f00162bb836547692f3c1157aa296d85dcfc6a64/backend.ai_webserver-20.9.12-py3-none-any.whl#sha256=c858c010f1343601e3cb54fc2369c6f02eb13236ed6a7e367c257b8e9d3b870a (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.12
2021-07-14T14:49:05,134   Found link https://files.pythonhosted.org/packages/c1/8e/67583d6f802f1a05ab81809ae4c0db632abef82895ba88c5572e0e858779/backend.ai-webserver-20.9.13.tar.gz#sha256=b5b5809b8b72bfe732cb104c977aed2f41de2570025d4f6e85ba75f5444abc80 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.13
2021-07-14T14:49:05,135   Found link https://files.pythonhosted.org/packages/35/90/59cc3cb88c667d9f37a40ec94fecb1f728ba771103d4e3bdeca2c9728269/backend.ai_webserver-20.9.13-py3-none-any.whl#sha256=e36687b63b86b5b68701f8784920dbf3667e71efa738870ff7abae88ca04bdbc (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.13
2021-07-14T14:49:05,136   Found link https://files.pythonhosted.org/packages/bb/b2/0d1b0f51284e992e7e2dfdd0f27723774090da2ed02eb13919d6e5c17aad/backend.ai-webserver-20.9.14.tar.gz#sha256=f7e3e9871bb3705a0b9d0056e0350d52aa9f29ce89a4ca48d6a0c4d72a8e5665 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.14
2021-07-14T14:49:05,137   Found link https://files.pythonhosted.org/packages/fa/18/bcdf1b5de292c4bd655fd63740913ed5a3c1f05006f14f9418f614bccf09/backend.ai_webserver-20.9.14-py3-none-any.whl#sha256=9c05a9c9a909f18a6df9fbcc90b4b602536b83ab8e64ecc4f1167bc9da7a00d5 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.7), version: 20.9.14
2021-07-14T14:49:05,137   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/af/0d/0f1e034c3453a07420dd2d369f31c8e35f329d8a1b6c3620d52350de0d9e/backend.ai-webserver-21.3.0.post1.tar.gz#sha256=0a8af52bc37be4d7bf99d6ff269166b2e18beb29bcdffb7bd71e9c57d336b1dc (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,138   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/47/7c/754a307fcdbdd670812f5857eff09d514412ef003e0ce56d8a87e0b98c73/backend.ai_webserver-21.3.0.post1-py3-none-any.whl#sha256=ccf9bf83eb710c52c83f2f6ea9b4072b6f151a6fc35457e70e2b3c6f55e94399 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,139   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/1a/33/e1fe80c6a8caac8f54ac7d9ae4b3371e8d1613d0ad0d817a0550273e9161/backend.ai-webserver-21.3.1.tar.gz#sha256=ae511ba1b1dd04272a710288337f2b4aff4c3ac3086664c9eecbc7b274fde6e7 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,139   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/e6/d7/36a6d89303c28c8ef896af94b20c03b2a7d5d3ece799a128913d58d5abbe/backend.ai_webserver-21.3.1-py3-none-any.whl#sha256=3a2352c612f7b32eecd9fd4830e23159f7f15243d7d7d2f564df0d7a5f3f393c (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,140   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/bb/de/a2e496b736765a71012b6a8e00110089e510fb1bf65b1e078e2b137e8be3/backend.ai-webserver-21.3.1.post0.tar.gz#sha256=fff571f13f4f80ac7432d321c6c477ca68b876fd5c20a4e60ff1afaf90cb1d71 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,141   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/e2/e9/f4c082c4d930ad833c77d6d87e31e69feb063431c4557d4038ebbdeffd14/backend.ai_webserver-21.3.1.post0-py3-none-any.whl#sha256=22480e131673e809797047f86acf360227248efb90b3e164d13deb6fedf71db3 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,141   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/d9/43/550e94403b73e128424af6978a262a5124af0a583875c3e12d29cff1b576/backend.ai-webserver-21.3.2.tar.gz#sha256=719005b7948d73cfcaf47ed297680924bcd2b01410e4ada7ac529a2a90ba49b8 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,142   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/a2/7b/c646cae46295ed86564a82d3a9a32165526c624619ffaaff7941bfc3ca31/backend.ai_webserver-21.3.2-py3-none-any.whl#sha256=d760907d2824d645b24224a81539842dfe8920992f2cbea7c6948c568ffad86c (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,143   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/8f/56/2ca4f65140ed30c32893b020a6a3fcb32fd5eafb0729d0a7ee985ce8b56d/backend.ai-webserver-21.3.3.tar.gz#sha256=c8420f0c3ca05fc52e8aa8c11a13929dfd3751aff682141201b93257458153ca (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,143   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/de/dd/02722ff15341f09880203e00eca1a8332e18908f8f0b2a359695d124e56d/backend.ai_webserver-21.3.3-py3-none-any.whl#sha256=317bf0d58802cbda64bacca4f6a5898d277cfac35af00976269add95d4be31f7 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,144   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/f0/a3/3d66d2a6fb9c036e794336db92814e276f1951842bf0af0574077524f44e/backend.ai-webserver-21.3.4.tar.gz#sha256=ef83af876cc0b09cdb59847a3993a3cb2a9a19c3a6b9b627765d8ac548d7c6f7 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,145   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/97/46/bf2330c7b5831a2f6fe77619d3408001209111d80c9019376129290955e4/backend.ai_webserver-21.3.4-py3-none-any.whl#sha256=97a349d319236185b7f3e65e23aaa76e43ba2cfd34ef46646cac950ac8daef05 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,145   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/f1/1b/66bee5dd050b7d48b884a6ec2dbf9c89ad4a9d3c0c9775645cfe0177c7b6/backend.ai-webserver-21.3.5.tar.gz#sha256=0c122ffc2b79e074ea562b661cfe78b6bc7c4896a16249286092471707dece8d (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,146   Link requires a different Python (3.7.3 not in: '>=3.9'): https://files.pythonhosted.org/packages/27/c6/769c4afb2c19c60e229f2bf5fe20e6908d4186ce229ca3644452ea668035/backend.ai_webserver-21.3.5-py3-none-any.whl#sha256=24fe67f0f7dd512f7d9ce9e79557a4f159633d14069f81e16f1b47106cfaab02 (from https://pypi.org/simple/backend-ai-webserver/) (requires-python:>=3.9)
2021-07-14T14:49:05,146 Skipping link: not a file: https://pypi.org/simple/backend-ai-webserver/
2021-07-14T14:49:05,149 Given no hashes to check 0 links for project 'backend-ai-webserver': discarding no candidates
2021-07-14T14:49:05,149 ERROR: Could not find a version that satisfies the requirement backend-ai-webserver==21.3.5 (from versions: 20.9.8, 20.9.9, 20.9.10, 20.9.11, 20.9.12, 20.9.13, 20.9.14)
2021-07-14T14:49:05,150 ERROR: No matching distribution found for backend-ai-webserver==21.3.5
2021-07-14T14:49:05,150 Exception information:
2021-07-14T14:49:05,150 Traceback (most recent call last):
2021-07-14T14:49:05,150   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 341, in resolve
2021-07-14T14:49:05,150     name, crit = self._merge_into_criterion(r, parent=None)
2021-07-14T14:49:05,150   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _merge_into_criterion
2021-07-14T14:49:05,150     raise RequirementsConflicted(criterion)
2021-07-14T14:49:05,150 pip._vendor.resolvelib.resolvers.RequirementsConflicted: Requirements conflict: SpecifierRequirement('backend-ai-webserver==21.3.5')
2021-07-14T14:49:05,150 
2021-07-14T14:49:05,150 During handling of the above exception, another exception occurred:
2021-07-14T14:49:05,150 
2021-07-14T14:49:05,150 Traceback (most recent call last):
2021-07-14T14:49:05,150   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 128, in resolve
2021-07-14T14:49:05,150     requirements, max_rounds=try_to_avoid_resolution_too_deep
2021-07-14T14:49:05,150   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 473, in resolve
2021-07-14T14:49:05,150     state = resolution.resolve(requirements, max_rounds=max_rounds)
2021-07-14T14:49:05,150   File "/usr/local/lib/python3.7/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 343, in resolve
2021-07-14T14:49:05,150     raise ResolutionImpossible(e.criterion.information)
2021-07-14T14:49:05,150 pip._vendor.resolvelib.resolvers.ResolutionImpossible: [RequirementInformation(requirement=SpecifierRequirement('backend-ai-webserver==21.3.5'), parent=None)]
2021-07-14T14:49:05,150 
2021-07-14T14:49:05,150 The above exception was the direct cause of the following exception:
2021-07-14T14:49:05,150 
2021-07-14T14:49:05,150 Traceback (most recent call last):
2021-07-14T14:49:05,150   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/base_command.py", line 180, in _main
2021-07-14T14:49:05,150     status = self.run(options, args)
2021-07-14T14:49:05,150   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/cli/req_command.py", line 205, in wrapper
2021-07-14T14:49:05,150     return func(self, options, args)
2021-07-14T14:49:05,150   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/commands/wheel.py", line 143, in run
2021-07-14T14:49:05,150     reqs, check_supported_wheels=True
2021-07-14T14:49:05,150   File "/usr/local/lib/python3.7/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 136, in resolve
2021-07-14T14:49:05,150     raise error from e
2021-07-14T14:49:05,150 pip._internal.exceptions.DistributionNotFound: No matching distribution found for backend-ai-webserver==21.3.5
2021-07-14T14:49:05,154 Removed build tracker: '/tmp/pip-req-tracker-bb43sz4s'