Fix formatting

build.rs

@@ -1,6 +1,3 @@
 fn main() {
-    println!(
-        "cargo:rustc-env=TARGET={}",
-        std::env::var("TARGET").unwrap()
-    );
-}
+    println!("cargo:rustc-env=TARGET={}", std::env::var("TARGET").unwrap());
+}

src/main.rs

@@ -20,12 +20,12 @@ use self::error::Upgraded;
 use self::steps::*;
 use self::terminal::*;
 use anyhow::{anyhow, Result};
+use log::debug;
 #[cfg(feature = "self-update")]
 use openssl_probe;
 use std::env;
 use std::io;
 use std::process::exit;
-use log::debug;
 use structopt::clap::crate_version;
 use structopt::StructOpt;