this derivation will be built:
  /nix/store/28gm87z1scqm41l0py1zz5x7bykrljpp-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/28gm87z1scqm41l0py1zz5x7bykrljpp-bcachefs-module-7.0.0-34-generic.drv'...