this derivation will be built:
  /nix/store/gbv9bahbjc8csk7pqz55bg3sc0rgrvvh-nix-shell.drv
these 3 paths will be fetched (4.0 MiB download, 11.5 MiB unpacked):
  /nix/store/qjsbvq5vdkiajq0qmf3qdw33n2328ylc-cargo-criterion-1.1.0
  /nix/store/pdcbxaqpi0iz1l60fniafp2d7918vg50-cargo-insta-1.48.0
  /nix/store/vaah5y65pf6nfwrbq8s1bbwl0xcdnsz0-cargo-watch-8.5.3