Restoring cache failed: Error: The process 'C:\rtools42\usr\bin\sh.exe' failed with exit code 77

The following artifacts were uploaded using a version of actions/upload-artifact that is scheduled for deprecation: "httpserver-v1.1.1-extension-linux_amd64", "httpserver-v1.1.1-extension-linux_amd64_gcc4", "httpserver-v1.1.1-extension-linux_arm64", "httpserver-v1.1.1-extension-osx_amd64", "httpserver-v1.1.1-extension-osx_arm64", "httpserver-v1.1.1-extension-wasm_eh", "httpserver-v1.1.1-extension-wasm_mvp", "httpserver-v1.1.1-extension-wasm_threads", "httpserver-v1.1.1-extension-windows_amd64", "httpserver-v1.1.1-extension-windows_amd64_rtools". Please update your workflow to use v4 of the artifact actions. Learn more: https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

The file vcpkg.json was found multiple times with glob expression '**/vcpkg.json'.

#warning Please include winsock2.h before windows.h [-Wcpp]

ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]