Remove unused crate imports in 2018 edition crates

5 files changed, 0 insertions, 6 deletions

diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
index 39baa6b8540..9eb43eb2df4 100644
--- a/src/tools/build-manifest/src/main.rs
+++ b/src/tools/build-manifest/src/main.rs
@@ -7,7 +7,6 @@
 #![deny(warnings)]
 
 use serde::Serialize;
-use toml;
 
 use std::collections::BTreeMap;
 use std::collections::HashMap;
diff --git a/src/tools/compiletest/src/json.rs b/src/tools/compiletest/src/json.rs
index 52d0cbd4bfd..6ac7c3b9b47 100644
--- a/src/tools/compiletest/src/json.rs
+++ b/src/tools/compiletest/src/json.rs
@@ -4,7 +4,6 @@
 use crate::errors::{Error, ErrorKind};
 use crate::runtest::ProcRes;
 use serde::Deserialize;
-use serde_json;
 use std::path::{Path, PathBuf};
 use std::str::FromStr;
 
diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs
index c00b0f02c3a..134ac66b7d1 100644
--- a/src/tools/compiletest/src/main.rs
+++ b/src/tools/compiletest/src/main.rs
@@ -9,8 +9,6 @@ extern crate test;
 use crate::common::{expected_output_path, output_base_dir, output_relative_path, UI_EXTENSIONS};
 use crate::common::{CompareMode, Config, Debugger, Mode, PassMode, Pretty, TestPaths};
 use crate::util::logv;
-use env_logger;
-use getopts;
 use getopts::Options;
 use log::*;
 use std::env;
diff --git a/src/tools/compiletest/src/read2.rs b/src/tools/compiletest/src/read2.rs
index da1d3db49d7..30a922057eb 100644
--- a/src/tools/compiletest/src/read2.rs
+++ b/src/tools/compiletest/src/read2.rs
@@ -25,7 +25,6 @@ mod imp {
 
 #[cfg(unix)]
 mod imp {
-    use libc;
     use std::io;
     use std::io::prelude::*;
     use std::mem;
diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs
index 95ea4fb0789..dd0c68ecd49 100644
--- a/src/tools/compiletest/src/runtest.rs
+++ b/src/tools/compiletest/src/runtest.rs
@@ -13,7 +13,6 @@ use crate::header::TestProps;
 use crate::json;
 use crate::util::get_pointer_width;
 use crate::util::{logv, PathBufExt};
-use diff;
 use regex::{Captures, Regex};
 use rustfix::{apply_suggestions, get_suggestions_from_json, Filter};