********************************************************************************
conan test conan-center-index\recipes\flint\all\test_package\conanfile.py flint/2.7.1@ --profile=C:\J\w\BuildSingleReference@12/20724/0fb73694-90f5-47b6-b68f-185deb0d72dc/profile.txt
********************************************************************************
Auto detecting your dev setup to initialize the default profile (C:\J\w\BuildSingleReference@12\.conan\profiles\default)
Found Visual Studio 16
Default settings
	os=Windows
	os_build=Windows
	arch=x86_64
	arch_build=x86_64
	compiler=Visual Studio
	compiler.version=16
	build_type=Release
*** You can change them in C:\J\w\BuildSingleReference@12\.conan\profiles\default ***
*** Or override with -s compiler='other' -s ...s***


Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=Visual Studio
compiler.runtime=MT
compiler.version=14
os=Windows
os_build=Windows
[options]
flint:shared=True
[build_requires]
[env]

gmp/6.2.1: Not found in local cache, looking in remotes...
gmp/6.2.1: Trying with 'conan-center'...
Downloading conanmanifest.txt
Downloading conanfile.py
Downloading conan_export.tgz
gmp/6.2.1: Downloaded recipe revision 283aedb1f1c4d42637e43b553995728f
mpfr/4.1.0: Not found in local cache, looking in remotes...
mpfr/4.1.0: Trying with 'conan-center'...
Downloading conanmanifest.txt
Downloading conanfile.py
Downloading conan_export.tgz
mpfr/4.1.0: Downloaded recipe revision f9f8b61d2226cfa074955752f84597de
pthreads4w/3.0.0: Not found in local cache, looking in remotes...
pthreads4w/3.0.0: Trying with 'conan-center'...
Downloading conanmanifest.txt
Downloading conanfile.py
Downloading conan_export.tgz
pthreads4w/3.0.0: Downloaded recipe revision b17309bfb7d00aa4e722adeb1a1b58ce
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 307, in test
    lockfile=args.lockfile, profile_build=profile_build)
  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 332, in test
    test_build_folder=test_build_folder, recorder=recorder)
  File "c:\python36\lib\site-packages\conans\client\cmd\test.py", line 38, in install_build_and_test
    recorder=recorder)
  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 gmp/6.2.1:beea2a1b4a93b655ecdc2a933cc5ab7de3c9c50d is None: {"recipe": {"revision": "283aedb1f1c4d42637e43b553995728f", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "e9b7109e6b49d53819e7cf9a77273269", "sha1": "800f6a8e2c47b312c2a0aaf2e86aa5bd5a00306d"}, "conanmanifest.txt": {"md5": "06a1989a3da23c26126f1dbbcd3c3087", "sha1": "c391b217e46591416d6af25bbdf4112d50fd848b"}, "conanfile.py": {"md5": "2ad6c9ec4a664f36e7183d337806ec3f", "sha1": "1f1114e3fe6ebaafc832910edc1c07e15a82ec29"}}}, "packages": {"beea2a1b4a93b655ecdc2a933cc5ab7de3c9c50d": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}}

ERROR: PREV for gmp/6.2.1:beea2a1b4a93b655ecdc2a933cc5ab7de3c9c50d is None: {"recipe": {"revision": "283aedb1f1c4d42637e43b553995728f", "remote": "conan-center", "properties": {}, "checksums": {"conan_export.tgz": {"md5": "e9b7109e6b49d53819e7cf9a77273269", "sha1": "800f6a8e2c47b312c2a0aaf2e86aa5bd5a00306d"}, "conanmanifest.txt": {"md5": "06a1989a3da23c26126f1dbbcd3c3087", "sha1": "c391b217e46591416d6af25bbdf4112d50fd848b"}, "conanfile.py": {"md5": "2ad6c9ec4a664f36e7183d337806ec3f", "sha1": "1f1114e3fe6ebaafc832910edc1c07e15a82ec29"}}}, "packages": {"beea2a1b4a93b655ecdc2a933cc5ab7de3c9c50d": {"revision": null, "recipe_revision": null, "remote": null, "properties": {}, "checksums": {}}}}