this derivation will be built:
  /nix/store/al3w9m9sbg03py253pl55x4h0x7iv47n-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/al3w9m9sbg03py253pl55x4h0x7iv47n-bcachefs-module-7.0.0-14-generic.drv'...