this derivation will be built:
  /nix/store/lj1q928c0khxar8g75513sfb29nmnccg-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/lj1q928c0khxar8g75513sfb29nmnccg-bcachefs-module-7.0.0-30-generic.drv'...