these 3 derivations will be built:
  /nix/store/b062p8mkn6vfmnss76rhf2q1iq5cq4v4-log-0.4.35.drv
  /nix/store/97zbcimwg6n63z2ncinz9x18m01rkq7s-cargo-vendor-dir.drv
  /nix/store/hsca5zcjd1xgx4b0hdh47k94rpvmzz0g-caldav-viewer.drv