Installation from Git no longer work because of fuzzer
In a fresh “rust” docker (plus nightly), the command in README.md
gives:
root@bf9d1bdb0538:/# cargo +nightly install --git https://gitlab.redox-os.org/redox-os/ion/
Updating git repository `https://gitlab.redox-os.org/redox-os/ion/`
error: multiple packages with binaries found: ion-shell, ion-shell-fuzz