this derivation will be built:
  /nix/store/8b8im4bf0z3kjlr4fxrk1l7yhgczmghi-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/8b8im4bf0z3kjlr4fxrk1l7yhgczmghi-bcachefs-module-7.0.0-39-generic.drv'...