******************************************************************************** conan install openssl/1.1.0k@ --profile=C:\J\w\BuildSingleReference@3/5897/9b2d7f18-6424-43e0-8b8c-9f653f8a64af/profile.txt --build=openssl ******************************************************************************** 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] openssl:shared=False [build_requires] [env] openssl/1.1.0k: Forced build from source 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 343, in _recurse_build_requires _recurse_build_requires(br_all, profile_build_requires) File "c:\python36\lib\site-packages\conans\client\graph\graph_manager.py", line 327, in _recurse_build_requires nodes_subset=nodessub, root=node) 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 nasm/2.15.05:0a420ff5c47119e668867cdb51baff0eca1fdb68 is None: {"recipe": {"revision": "3b0fc0a593bbfd22ed8e922fd0a9e303", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "d74e7aee83295b4efa262a86357996de", "sha1": "2ad66c8a8bebe58c81a2e40a162e508db109c527"}, "conanmanifest.txt": {"md5": "888beba3abf6092477903c358a359ed6", "sha1": "55a224eeaf5e5e5ff916ce2c6c060df9f9791b1c"}, "conanfile.py": {"md5": "e21c0ebc27f5837a9c651fb9809fab83", "sha1": "650ce5ae4d43f1ee219cae209fafbe279895c36f"}}}, "packages": {"0a420ff5c47119e668867cdb51baff0eca1fdb68": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}} ERROR: PREV for nasm/2.15.05:0a420ff5c47119e668867cdb51baff0eca1fdb68 is None: {"recipe": {"revision": "3b0fc0a593bbfd22ed8e922fd0a9e303", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "d74e7aee83295b4efa262a86357996de", "sha1": "2ad66c8a8bebe58c81a2e40a162e508db109c527"}, "conanmanifest.txt": {"md5": "888beba3abf6092477903c358a359ed6", "sha1": "55a224eeaf5e5e5ff916ce2c6c060df9f9791b1c"}, "conanfile.py": {"md5": "e21c0ebc27f5837a9c651fb9809fab83", "sha1": "650ce5ae4d43f1ee219cae209fafbe279895c36f"}}}, "packages": {"0a420ff5c47119e668867cdb51baff0eca1fdb68": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}}