Error parsing Cargo.toml manifest, fallback to caching entire file: Error: Invalid TOML document: only letter, numbers, dashes and underscores are allowed in keys 10: esp-backtrace = { version = "0.9.0", features = ["{{ mcu }}", "panic-handler", "exception-handler", "print-uart"] } 11: {% if logging -%} ^ 12: esp-println = { version = "0.7.0", features = ["{{ mcu }}","log"] }