Replace tempdir by tempfile

src/Cargo.lock

@@ -1800,7 +1800,7 @@ dependencies = [
  "serialize 0.0.0",
  "syntax 0.0.0",
  "syntax_pos 0.0.0",
- "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempfile 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2103,7 +2103,7 @@ dependencies = [
  "serialize 0.0.0",
  "syntax 0.0.0",
  "syntax_pos 0.0.0",
- "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempfile 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2427,7 +2427,7 @@ version = "0.0.0"
 dependencies = [
  "minifier 0.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "pulldown-cmark 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempfile 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2831,15 +2831,6 @@ dependencies = [
  "xattr 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "tempdir"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "tempfile"
 version = "3.0.2"
@@ -3380,7 +3371,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum syntex_pos 0.52.0 (registry+https://github.com/rust-lang/crates.io-index)" = "955ef4b16af4c468e4680d1497f873ff288f557d338180649e18f915af5e15ac"
 "checksum syntex_syntax 0.52.0 (registry+https://github.com/rust-lang/crates.io-index)" = "76a302e717e348aa372ff577791c3832395650073b8d8432f8b3cb170b34afde"
 "checksum tar 0.4.15 (registry+https://github.com/rust-lang/crates.io-index)" = "6af6b94659f9a571bf769a5b71f54079393585ee0bfdd71b691be22d7d6b1d18"
-"checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
 "checksum tempfile 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "47776f63b85777d984a50ce49d6b9e58826b6a3766a449fc95bc66cd5663c15b"
 "checksum tendril 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9de21546595a0873061940d994bbbc5c35f024ae4fd61ec5c5b159115684f508"
 "checksum term 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "fa63644f74ce96fbeb9b794f66aff2a52d601cbd5e80f4b97123e3899f4570f1"

src/librustc/Cargo.toml

@@ -61,6 +61,4 @@ chalk-engine = { version = "0.6.0", default-features=false }
 #        later crate stop compiling. If you can remove this and everything
 #        compiles, then please feel free to do so!
 flate2 = "1.0"
-tempdir = "0.3"
-
-
+tempfile = "3.0"

src/librustc_codegen_llvm/Cargo.toml

@@ -32,7 +32,7 @@ rustc_mir = { path = "../librustc_mir" }
 serialize = { path = "../libserialize" }
 syntax = { path = "../libsyntax" }
 syntax_pos = { path = "../libsyntax_pos" }
-tempdir = "0.3"
+tempfile = "3.0"
 
 # not actually used but needed to make sure we enable the same feature set as
 # winapi used in librustc

src/librustc_codegen_llvm/back/link.rs

@@ -28,7 +28,7 @@ use {CodegenResults, CrateInfo};
 use rustc::util::common::time;
 use rustc::util::fs::fix_windows_verbatim_for_gcc;
 use rustc::hir::def_id::CrateNum;
-use tempdir::TempDir;
+use tempfile::{Builder as TempFileBuilder, TempDir};
 use rustc_target::spec::{PanicStrategy, RelroLevel, LinkerFlavor, TargetTriple};
 use rustc_data_structures::fx::FxHashSet;
 use context::get_reloc_model;
@@ -321,7 +321,10 @@ fn link_binary_output(sess: &Session,
         // final destination, with a `fs::rename` call. In order for the rename to
         // always succeed, the temporary file needs to be on the same filesystem,
         // which is why we create it inside the output directory specifically.
-        let metadata_tmpdir = match TempDir::new_in(out_filename.parent().unwrap(), "rmeta") {
+        let metadata_tmpdir = match TempFileBuilder::new()
+            .prefix("rmeta")
+            .tempdir_in(out_filename.parent().unwrap())
+        {
             Ok(tmpdir) => tmpdir,
             Err(err) => sess.fatal(&format!("couldn't create a temp dir: {}", err)),
         };
@@ -332,7 +335,7 @@ fn link_binary_output(sess: &Session,
         out_filenames.push(out_filename);
     }
 
-    let tmpdir = match TempDir::new("rustc") {
+    let tmpdir = match TempFileBuilder::new().prefix("rustc").tempdir() {
         Ok(tmpdir) => tmpdir,
         Err(err) => sess.fatal(&format!("couldn't create a temp dir: {}", err)),
     };

src/librustc_codegen_llvm/lib.rs

@@ -56,7 +56,7 @@ extern crate syntax_pos;
 extern crate rustc_errors as errors;
 extern crate serialize;
 extern crate cc; // Used to locate MSVC
-extern crate tempdir;
+extern crate tempfile;
 
 use back::bytecode::RLIB_BYTECODE_EXTENSION;
 

src/librustdoc/Cargo.toml

@@ -9,5 +9,5 @@ path = "lib.rs"
 
 [dependencies]
 pulldown-cmark = { version = "0.1.2", default-features = false }
-tempdir = "0.3"
 minifier = "0.0.11"
+tempfile = "3"

src/librustdoc/lib.rs

@@ -46,7 +46,7 @@ extern crate test as testing;
 #[macro_use] extern crate log;
 extern crate rustc_errors as errors;
 extern crate pulldown_cmark;
-extern crate tempdir;
+extern crate tempfile;
 extern crate minifier;
 
 extern crate serialize as rustc_serialize; // used by deriving

src/librustdoc/test.rs

@@ -27,7 +27,7 @@ use rustc::session::{self, CompileIncomplete, config};
 use rustc::session::config::{OutputType, OutputTypes, Externs, CodegenOptions};
 use rustc::session::search_paths::{SearchPaths, PathKind};
 use rustc_metadata::dynamic_lib::DynamicLibrary;
-use tempdir::TempDir;
+use tempfile::Builder as TempFileBuilder;
 use rustc_driver::{self, driver, target_features, Compilation};
 use rustc_driver::driver::phase_2_configure_and_expand;
 use rustc_metadata::cstore::CStore;
@@ -277,7 +277,9 @@ fn run_test(test: &str, cratename: &str, filename: &FileName, line: usize,
         let cstore = CStore::new(codegen_backend.metadata_loader());
         rustc_lint::register_builtins(&mut sess.lint_store.borrow_mut(), Some(&sess));
 
-        let outdir = Mutex::new(TempDir::new("rustdoctest").ok().expect("rustdoc needs a tempdir"));
+        let outdir = Mutex::new(
+            TempFileBuilder::new().prefix("rustdoctest").tempdir().expect("rustdoc needs a tempdir")
+        );
         let libdir = sess.target_filesearch(PathKind::All).get_lib_path();
         let mut control = driver::CompileController::basic();
 

src/tools/tidy/src/deps.rs

@@ -114,7 +114,7 @@ static WHITELIST: &'static [Crate] = &[
     Crate("scopeguard"),
     Crate("smallvec"),
     Crate("stable_deref_trait"),
-    Crate("tempdir"),
+    Crate("tempfile"),
     Crate("termcolor"),
     Crate("terminon"),
     Crate("termion"),