rust-toolchain

[toolchain]
# See https://rust-lang.github.io/rustup-components-history/ for a list of
# recently nightlies and what components are available for them.
channel = "nightly-2021-03-25"
components = ["clippy", "miri", "rustfmt"]
targets = ["thumbv7em-none-eabi",
           "riscv32imac-unknown-none-elf",
           "riscv32imc-unknown-none-elf"]