"Is there a way to define a..." <- I don't *think* so, runner cfg is per target or per cfg according to the docs: ```toml [target.] linker = "…" # linker to use runner = "…" # wrapper to run executables rustflags = ["…", "…"] # custom flags for `rustc` rustdocflags = ["…", "…"] # custom flags for `rustdoc` [target.] runner = "…" # wrapper to run executables rustflags = ["…", "…"] # custom flags for `rustc` ```