Example files for conan requires vs build_requires mismatch

build

conan create required.py required/1.0@bug/example
conan create required.py required/1.1@bug/example
conan create build_required.py build_required/1.0@bug/example
conan create . consumer/1.0@bug/example

build_required.py

from conans import ConanFile, tools

class BuildrequiredConan(ConanFile):
    name = "build_required"
    version = "1.0"
    requires = "required/1.0@bug/example"

conanfile.py

from conans import ConanFile, tools
import os
import json

class ConsumerConan(ConanFile):
    name = "consumer"
    version = "1.0"
    requires = "required/1.1@bug/example"
    build_requires = "build_required/1.0@bug/example"
    generators = "cmake"

    def build(self):
        tools.save(os.path.join(self.build_folder,"required.cpp_info.txt"), json.dumps(self.deps_cpp_info['required'].__dict__, indent=4))
        tools.save(os.path.join(self.build_folder,"build_required.cpp_info.txt"), json.dumps(self.deps_cpp_info['build_required'].__dict__, indent=4))

    def package(self):
        self.copy("*.cpp_info.txt")

    def package_id(self):
        self.info.requires['required'].full_package_mode()

required.py

from conans import ConanFile, tools

class ConsumerConan(ConanFile):
    name = "required"