these 5 derivations will be built:
  /nix/store/ggni6yyx6dnd5f3f8qa15ydrm1imbrx3-proptest-1.11.0.drv
  /nix/store/n5jk6ayd0n55y8njmndb0n7bnvhpi5vv-rand-0.9.4.drv
  /nix/store/q4w2g4ql824fi0hl8f2gpmvxhzjbwjgs-rand_xorshift-0.4.0.drv
  /nix/store/rqx96q3s2klh1lr2i2p1hldn6mxwam4a-cargo-vendor-dir.drv
  /nix/store/nrlmkiqncgfmgwvagjdkafq84b4fg16w-fast-nix-gc-proptest-0.1.0.drv
these 4 paths will be fetched (88.0 KiB download, 342.7 KiB unpacked):
  /nix/store/ycrwcy9y8hzwcm4726jlsv2mj2fdmnb0-bit-set-0.8.0
  /nix/store/l55gjl5j9fr8z6cv2ssy2alnasknrvns-bit-vec-0.8.0
  /nix/store/bzipl73xgfyz9qlihrkbb75h7xkw9pka-rand_chacha-0.9.0
  /nix/store/ga5dw0smjn81gb9i9qh2jaskfh3n0v4m-rand_core-0.9.5