this derivation will be built:
  /nix/store/gr2cma1z6yr8p33jdb6sl8j1735wj2dd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/gr2cma1z6yr8p33jdb6sl8j1735wj2dd-bcachefs-module-7.0.0-39-generic.drv'...