this derivation will be built:
  /nix/store/saivr3kiqrxn35s6rrfhv5gn1mk3j26a-bcachefs-module-7.1.4-zen1-1-zen.drv
building '/nix/store/saivr3kiqrxn35s6rrfhv5gn1mk3j26a-bcachefs-module-7.1.4-zen1-1-zen.drv'...