Upgrade memmap to memmap2 in other crates.

2 files changed, 3 insertions, 3 deletions

diff --git a/compiler/rustc_metadata/Cargo.toml b/compiler/rustc_metadata/Cargo.toml
index 2aabc2c407b..48effed9274 100644
--- a/compiler/rustc_metadata/Cargo.toml
+++ b/compiler/rustc_metadata/Cargo.toml
@@ -11,7 +11,7 @@ doctest = false
 libc = "0.2"
 snap = "1"
 tracing = "0.1"
-memmap = "0.7"
+memmap2 = "0.2.1"
 smallvec = { version = "1.6.1", features = ["union", "may_dangle"] }
 rustc_middle = { path = "../rustc_middle" }
 rustc_attr = { path = "../rustc_attr" }
diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs
index a9f58b08f58..39a39917f57 100644
--- a/compiler/rustc_metadata/src/locator.rs
+++ b/compiler/rustc_metadata/src/locator.rs
@@ -728,7 +728,7 @@ impl<'a> CrateLocator<'a> {
 }
 
 /// A trivial wrapper for `Mmap` that implements `StableDeref`.
-struct StableDerefMmap(memmap::Mmap);
+struct StableDerefMmap(memmap2::Mmap);
 
 impl Deref for StableDerefMmap {
     type Target = [u8];
@@ -779,7 +779,7 @@ fn get_metadata_section(
             // mmap the file, because only a small fraction of it is read.
             let file = std::fs::File::open(filename)
                 .map_err(|_| format!("failed to open rmeta metadata: '{}'", filename.display()))?;
-            let mmap = unsafe { memmap::Mmap::map(&file) };
+            let mmap = unsafe { memmap2::Mmap::map(&file) };
             let mmap = mmap
                 .map_err(|_| format!("failed to mmap rmeta metadata: '{}'", filename.display()))?;