this derivation will be built:
  /nix/store/ijbma4cgw5hvwc5skl5vn0hg15qmf07k-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/ijbma4cgw5hvwc5skl5vn0hg15qmf07k-bcachefs-module-7.0.0-39-generic.drv'...