this derivation will be built:
  /nix/store/jr2s6hmcmx07j4ibv61vd28b7vc84gxx-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/jr2s6hmcmx07j4ibv61vd28b7vc84gxx-bcachefs-module-7.0.0-31-generic.drv'...