this derivation will be built:
  /nix/store/krm435ax49plgfac5cvlwrzm45lkl8ck-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/krm435ax49plgfac5cvlwrzm45lkl8ck-bcachefs-module-7.0.0-39-generic.drv'...