******************************************************************************** conan install jinja2cpp/1.1.0@ --profile=C:\J\w\BuildSingleReference@3/5834/f4c722bb-eae8-474a-8f6c-6cc2ee5165f1/profile.txt --build=jinja2cpp ******************************************************************************** Configuration: [settings] arch=x86_64 arch_build=x86_64 build_type=Release compiler=Visual Studio compiler.runtime=MT compiler.version=15 os=Windows os_build=Windows [options] jinja2cpp:shared=False [build_requires] [env] Traceback (most recent call last): File "c:\python36\lib\site-packages\conans\client\command.py", line 2115, in run method(args[0][1:]) File "c:\python36\lib\site-packages\conans\client\command.py", line 531, in install lockfile_node_id=args.lockfile_node_id) File "c:\python36\lib\site-packages\conans\client\conan_api.py", line 94, 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 57, in deps_install lockfile_node_id=lockfile_node_id) File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 116, in load_graph apply_build_requires=apply_build_requires) File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 246, 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 384, 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 expected-lite/0.4.0:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 is None: {"recipe": {"revision": "20b6eb044edb5f0554695de4f69bb4a2", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "a38a3aa04f36a2f3ab3c6bf8ddcf5f3c", "sha1": "95c3892c15652b7e1cfc84c13c2e11b2138d268a"}, "conanmanifest.txt": {"md5": "a15a435c9805bec3c333ba4b25761ae6", "sha1": "48da7d582bfc85585d529ae2f459124713197e5b"}, "conanfile.py": {"md5": "ef3a80fca19a4f865a03db5401e83476", "sha1": "0adab85fea07e3c4c2a812d02fab41ccb708fc52"}}}, "packages": {"5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}} ERROR: PREV for expected-lite/0.4.0:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 is None: {"recipe": {"revision": "20b6eb044edb5f0554695de4f69bb4a2", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "a38a3aa04f36a2f3ab3c6bf8ddcf5f3c", "sha1": "95c3892c15652b7e1cfc84c13c2e11b2138d268a"}, "conanmanifest.txt": {"md5": "a15a435c9805bec3c333ba4b25761ae6", "sha1": "48da7d582bfc85585d529ae2f459124713197e5b"}, "conanfile.py": {"md5": "ef3a80fca19a4f865a03db5401e83476", "sha1": "0adab85fea07e3c4c2a812d02fab41ccb708fc52"}}}, "packages": {"5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}}