******************************************************************************** conan install qt/5.15.2@ --build=qt --profile=C:\J\w\BuildSingleReference@12/20757/96c6904f-acea-4378-a054-60d61f8e2dc5/profile.txt ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Debug compiler=Visual Studio compiler.runtime=MTd compiler.version=14 os=Windows os_build=Windows [options] qt:shared=False [build_requires] [env] Traceback (most recent call last): File "c:\python36\lib\site-packages\conans\client\command.py", line 2164, in run method(args[0][1:]) File "c:\python36\lib\site-packages\conans\client\command.py", line 536, in install lockfile_node_id=args.lockfile_node_id) File "c:\python36\lib\site-packages\conans\client\conan_api.py", line 93, in wrapper return f(api, *args, **kwargs) File "c:\python36\lib\site-packages\conans\client\conan_api.py", line 560, in install_reference lockfile_node_id=lockfile_node_id) File "c:\python36\lib\site-packages\conans\client\manager.py", line 59, in deps_install lockfile_node_id=lockfile_node_id) File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 120, in load_graph apply_build_requires=apply_build_requires) File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 255, in _resolve_graph graph_lock=graph_lock) File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 365, in _load_graph apply_build_requires=apply_build_requires) File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 286, in _recurse_build_requires self._binary_analyzer.evaluate_graph(graph, build_mode, update, remotes, nodes_subset, root) File "c:\python36\lib\site-packages\conans\client\graph\graph_binaries.py", line 389, in evaluate_graph self._evaluate_node(node, build_mode, update, remotes) File "c:\python36\lib\site-packages\conans\client\graph\graph_binaries.py", line 176, in _evaluate_node self._process_node(node, pref, build_mode, update, remotes) File "c:\python36\lib\site-packages\conans\client\graph\graph_binaries.py", line 242, in _process_node self._evaluate_cache_pkg(node, package_layout, pref, metadata, remote, remotes, update) File "c:\python36\lib\site-packages\conans\client\graph\graph_binaries.py", line 95, in _evaluate_cache_pkg assert node.prev, "PREV for %s is None: %s" % (str(pref), metadata.dumps()) AssertionError: PREV for libjpeg/9d:f27dcd2d5e453cb01f9324a959461903ce8116a0 is None: {"recipe": {"revision": "d8215c0cf83a356fdd2d9c8454493efa", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "52a3d770326cff26a00e40ef92387670", "sha1": "60a9f22d3185ab4ed24964129a4a14ae3789d007"}, "conanmanifest.txt": {"md5": "eafbfb5b0ad78b3fad91af538605cb13", "sha1": "12e0ccb5fc044b2c25da33c51f13450c86bf0d63"}, "conanfile.py": {"md5": "f52ba0ef35442f3a0a534a05b1bf3498", "sha1": "83f37c5f58257806ba922bcfb56cd1767facb062"}}}, "packages": {"f27dcd2d5e453cb01f9324a959461903ce8116a0": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}} ERROR: PREV for libjpeg/9d:f27dcd2d5e453cb01f9324a959461903ce8116a0 is None: {"recipe": {"revision": "d8215c0cf83a356fdd2d9c8454493efa", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "52a3d770326cff26a00e40ef92387670", "sha1": "60a9f22d3185ab4ed24964129a4a14ae3789d007"}, "conanmanifest.txt": {"md5": "eafbfb5b0ad78b3fad91af538605cb13", "sha1": "12e0ccb5fc044b2c25da33c51f13450c86bf0d63"}, "conanfile.py": {"md5": "f52ba0ef35442f3a0a534a05b1bf3498", "sha1": "83f37c5f58257806ba922bcfb56cd1767facb062"}}}, "packages": {"f27dcd2d5e453cb01f9324a959461903ce8116a0": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}}