this derivation will be built:
  /nix/store/vmdsdxcn78rvb7k7afm53zzgappgcl7r-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/vmdsdxcn78rvb7k7afm53zzgappgcl7r-bcachefs-module-7.0.0-31-generic.drv'...