this derivation will be built:
  /nix/store/w183c3v1az3v8vx75s4f9igpgsy28s6k-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/w183c3v1az3v8vx75s4f9igpgsy28s6k-bcachefs-module-7.0.0-31-generic.drv'...