this derivation will be built:
  /nix/store/5k5a9b6v4z6ks68480kp7n9dnc6ghbbs-nix-shell.drv
these 3 paths will be fetched (5.0 MiB download, 14.7 MiB unpacked):
  /nix/store/76nzb74cy38rr6cjlg0i7l5xyaf5y5wh-cargo-criterion-1.1.0
  /nix/store/akc7gwyjkryhianp7rdqs4dlqh616xdg-cargo-insta-1.49.0
  /nix/store/zkwqzrdc0mdqhwnhf3224mr0p2nvb2mq-cargo-watch-8.5.3