Validate policy keys and hashes before compiling descriptors - #347

Unexpected input(s) 'profile', valid inputs are ['toolchain', 'target', 'build-warnings', 'components', 'cache', 'cache-workspaces', 'cache-directories', 'cache-on-failure', 'cache-key', 'cache-shared-key', 'cache-bin', 'cache-provider', 'cache-all-crates', 'cache-workspace-crates', 'cache-save-if', 'cache-targets', 'matcher', 'rustflags', 'override', 'rust-src-dir']

Unexpected input(s) 'profile', valid inputs are ['toolchain', 'target', 'build-warnings', 'components', 'cache', 'cache-workspaces', 'cache-directories', 'cache-on-failure', 'cache-key', 'cache-shared-key', 'cache-bin', 'cache-provider', 'cache-all-crates', 'cache-workspace-crates', 'cache-save-if', 'cache-targets', 'matcher', 'rustflags', 'override', 'rust-src-dir']