this derivation will be built:
  /nix/store/7a7r4xaaprjxh1pyz76rqwfqykizlg3p-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/7a7r4xaaprjxh1pyz76rqwfqykizlg3p-bcachefs-module-7.0.0-31-generic.drv'...