this derivation will be built:
  /nix/store/2lv40mx20yyc4y6phh50zlnm8nl5cyfk-bcachefs-module-7.0.0-26-generic.drv
building '/nix/store/2lv40mx20yyc4y6phh50zlnm8nl5cyfk-bcachefs-module-7.0.0-26-generic.drv'...