gistfile1.txt

cat ~/.cargo/config

[target.arm-none-eabi]
linker = "arm-none-eabi-gcc"

Socrates:hello bRad$ cargo build --target=arm-none-eabi

error: failed to run `rustc` to learn about target-specific information

To learn more, run the command again with --verbose.
Socrates:hello bRad$ subl ~/.cargo/config
Socrates:hello bRad$ cargo build --target=arm-none-eabi --verbose
error: failed to run `rustc` to learn about target-specific information

Caused by:
  process didn't exit successfully: `rustc - --crate-name ___ --print=file-names --crate-type bin --crate-type rlib --target arm-none-eabi` (exit code: 101)
--- stderr
error: Error loading target specification: Could not find specification for target "arm-none-eabi"
  |
  = help: Use `--print target-list` for a list of built-in targets


Socrates:hello bRad$ cargo build --target=arm-none-eabi --print target-list
error: Unknown flag: '--print'

Usage:
    cargo build [options]
Socrates:hello bRad$ cargo build --print target-list
error: Unknown flag: '--print'

Usage:
    cargo build [options]
Socrates:hello bRad$