this derivation will be built:
  /nix/store/s6k4vfqpmyqz0xpb2d50qgsg8mz8xl98-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/s6k4vfqpmyqz0xpb2d50qgsg8mz8xl98-bcachefs-module-7.0.0-39-generic.drv'...