this derivation will be built:
  /nix/store/c61fvj12ljw3qzd1plbwnwzz295i6jz2-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/c61fvj12ljw3qzd1plbwnwzz295i6jz2-bcachefs-module-7.0.0-34-generic.drv'...