this derivation will be built:
  /nix/store/666cz3g213hfnijn5gd8lw93n6a41x5z-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/666cz3g213hfnijn5gd8lw93n6a41x5z-bcachefs-module-7.0.0-29-generic.drv'...