/ .cargo / config.toml
config.toml
 1  [target.x86_64-unknown-linux-musl]
 2  linker = "x86_64-linux-musl-gcc"
 3  rustflags = [
 4    "-C", "link-arg=-lgcc_eh",    
 5    "-C", "link-arg=-static",    
 6    "-C", "target-feature=+crt-static" 
 7  ]
 8  
 9  [build]
10  target-dir = "output"
11  rustflags = ["--cfg", "tokio_unstable"]