this derivation will be built:
  /nix/store/cb43n8l1hxqzc7yr6inzghchayzr1czr-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/cb43n8l1hxqzc7yr6inzghchayzr1czr-bcachefs-module-7.0.0-31-generic.drv'...