Remove some dead code

src/bootstrap/builder.rs

@@ -351,7 +351,6 @@ pub enum Kind {
     Check,
     Clippy,
     Fix,
-    Format,
     Test,
     Bench,
     Dist,
@@ -399,7 +398,7 @@ macro_rules! describe {
                 native::Lld,
                 native::CrtBeginEnd
             ),
-            Kind::Check | Kind::Clippy { .. } | Kind::Fix | Kind::Format => describe!(
+            Kind::Check | Kind::Clippy { .. } | Kind::Fix => describe!(
                 check::Std,
                 check::Rustc,
                 check::Rustdoc,

src/bootstrap/config.rs

@@ -1149,10 +1149,6 @@ pub fn verbose(&self) -> bool {
         self.verbose > 0
     }
 
-    pub fn very_verbose(&self) -> bool {
-        self.verbose > 1
-    }
-
     pub fn sanitizers_enabled(&self, target: TargetSelection) -> bool {
         self.target_config.get(&target).map(|t| t.sanitizers).flatten().unwrap_or(self.sanitizers)
     }

src/bootstrap/lib.rs

@@ -110,7 +110,6 @@
 use std::io::{Read, Seek, SeekFrom, Write};
 use std::path::{Path, PathBuf};
 use std::process::{self, Command};
-use std::slice;
 use std::str;
 
 #[cfg(unix)]
@@ -472,10 +471,6 @@ pub fn new(config: Config) -> Build {
         build
     }
 
-    pub fn build_triple(&self) -> &[Interned<String>] {
-        slice::from_ref(&self.build.triple)
-    }
-
     // modified from `check_submodule` and `update_submodule` in bootstrap.py
     /// Given a path to the directory of a submodule, update it.
     ///

src/bootstrap/util.rs

@@ -16,11 +16,6 @@
 use crate::builder::Builder;
 use crate::config::{Config, TargetSelection};
 
-/// Returns the `name` as the filename of a static library for `target`.
-pub fn staticlib(name: &str, target: TargetSelection) -> String {
-    if target.contains("windows") { format!("{}.lib", name) } else { format!("lib{}.a", name) }
-}
-
 /// Given an executable called `name`, return the filename for the
 /// executable for a particular target.
 pub fn exe(name: &str, target: TargetSelection) -> String {
@@ -81,21 +76,6 @@ fn link_lib_path() -> Vec<PathBuf> {
     env::split_paths(&var).collect()
 }
 
-/// `push` all components to `buf`. On windows, append `.exe` to the last component.
-pub fn push_exe_path(mut buf: PathBuf, components: &[&str]) -> PathBuf {
-    let (&file, components) = components.split_last().expect("at least one component required");
-    let mut file = file.to_owned();
-
-    if cfg!(windows) {
-        file.push_str(".exe");
-    }
-
-    buf.extend(components);
-    buf.push(file);
-
-    buf
-}
-
 pub struct TimeIt(bool, Instant);
 
 /// Returns an RAII structure that prints out how long it took to drop.