this derivation will be built:
  /nix/store/m3r304ldj00mfli04km7rk4738fmb8kw-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/m3r304ldj00mfli04km7rk4738fmb8kw-bcachefs-module-7.0.0-39-generic.drv'...