this derivation will be built:
  /nix/store/pk4b6480dw12xkjjj7wk45qr8zi9k448-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/pk4b6480dw12xkjjj7wk45qr8zi9k448-bcachefs-module-7.0.0-38-generic.drv'...