this derivation will be built:
  /nix/store/4rrgrb0giw334yh5dyw52q8wx1xsr5as-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/4rrgrb0giw334yh5dyw52q8wx1xsr5as-bcachefs-module-7.0.0-38-generic.drv'...