Conan crashes when a cached recipe/package is missing its manifest.txt

Conan crashes when a cached recipe/package is missing its manifest.txt: a task in MiMo-V2.6-RL-harbor-code: MiMo-V2.6-RL Code (Harbor) (Harbor dataset). I keep a local conan cache shared across a few CI machines, and occasionally one of the cached entries ends up without a manifest.txt (manual…