this derivation will be built:
  /nix/store/v127kdy83crir6h60w8gabk6r8smjn5s-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/v127kdy83crir6h60w8gabk6r8smjn5s-bcachefs-module-7.0.0-31-generic.drv'...