diff --git a/compiler/rustc_metadata/src/locator.rs b/compiler/rustc_metadata/src/locator.rs
index 99c673b021a90..6e63062f82ae9 100644
--- a/compiler/rustc_metadata/src/locator.rs
+++ b/compiler/rustc_metadata/src/locator.rs
@@ -474,9 +474,8 @@ impl<'a> CrateLocator<'a> {
             0 => Ok(None),
             1 => Ok(Some(libraries.into_iter().next().unwrap().1)),
             _ => {
-                let mut libraries: Vec<_> = libraries.into_values().collect();
+                let libraries: Vec<_> = libraries.into_values().collect();
 
-                libraries.sort_by_cached_key(|lib| lib.source.paths().next().unwrap().clone());
                 let candidates = libraries
                     .iter()
                     .map(|lib| lib.source.paths().next().unwrap().clone())
diff --git a/tests/ui/crate-loading/crateresolve1.stderr b/tests/ui/crate-loading/crateresolve1.stderr
index 47131a96bf43b..8ba5b1b28ba8d 100644
--- a/tests/ui/crate-loading/crateresolve1.stderr
+++ b/tests/ui/crate-loading/crateresolve1.stderr
@@ -4,9 +4,9 @@ error[E0464]: multiple candidates for `rlib` dependency `crateresolve1` found
 LL | extern crate crateresolve1;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: candidate #1: $TEST_BUILD_DIR/crate-loading/crateresolve1/auxiliary/libcrateresolve1-1.somelib
-   = note: candidate #2: $TEST_BUILD_DIR/crate-loading/crateresolve1/auxiliary/libcrateresolve1-2.somelib
-   = note: candidate #3: $TEST_BUILD_DIR/crate-loading/crateresolve1/auxiliary/libcrateresolve1-3.somelib
+   = note: candidate #1: $TEST_BUILD_DIR/crate-loading/crateresolve1/auxiliary/libcrateresolve1-3.somelib
+   = note: candidate #2: $TEST_BUILD_DIR/crate-loading/crateresolve1/auxiliary/libcrateresolve1-1.somelib
+   = note: candidate #3: $TEST_BUILD_DIR/crate-loading/crateresolve1/auxiliary/libcrateresolve1-2.somelib
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/crate-loading/crateresolve2.stderr b/tests/ui/crate-loading/crateresolve2.stderr
index 3dc89dabde6d5..a979eb341fb4e 100644
--- a/tests/ui/crate-loading/crateresolve2.stderr
+++ b/tests/ui/crate-loading/crateresolve2.stderr
@@ -4,9 +4,9 @@ error[E0464]: multiple candidates for `rmeta` dependency `crateresolve2` found
 LL | extern crate crateresolve2;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: candidate #1: $TEST_BUILD_DIR/crate-loading/crateresolve2/auxiliary/libcrateresolve2-1.rmeta
+   = note: candidate #1: $TEST_BUILD_DIR/crate-loading/crateresolve2/auxiliary/libcrateresolve2-3.rmeta
    = note: candidate #2: $TEST_BUILD_DIR/crate-loading/crateresolve2/auxiliary/libcrateresolve2-2.rmeta
-   = note: candidate #3: $TEST_BUILD_DIR/crate-loading/crateresolve2/auxiliary/libcrateresolve2-3.rmeta
+   = note: candidate #3: $TEST_BUILD_DIR/crate-loading/crateresolve2/auxiliary/libcrateresolve2-1.rmeta
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/error-codes/E0464.stderr b/tests/ui/error-codes/E0464.stderr
index edb0b1cf41e1a..9b64b8afbf174 100644
--- a/tests/ui/error-codes/E0464.stderr
+++ b/tests/ui/error-codes/E0464.stderr
@@ -4,9 +4,9 @@ error[E0464]: multiple candidates for `rlib` dependency `crateresolve1` found
 LL | extern crate crateresolve1;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: candidate #1: $TEST_BUILD_DIR/error-codes/E0464/auxiliary/libcrateresolve1-1.somelib
-   = note: candidate #2: $TEST_BUILD_DIR/error-codes/E0464/auxiliary/libcrateresolve1-2.somelib
-   = note: candidate #3: $TEST_BUILD_DIR/error-codes/E0464/auxiliary/libcrateresolve1-3.somelib
+   = note: candidate #1: $TEST_BUILD_DIR/error-codes/E0464/auxiliary/libcrateresolve1-3.somelib
+   = note: candidate #2: $TEST_BUILD_DIR/error-codes/E0464/auxiliary/libcrateresolve1-1.somelib
+   = note: candidate #3: $TEST_BUILD_DIR/error-codes/E0464/auxiliary/libcrateresolve1-2.somelib
 
 error: aborting due to 1 previous error
 
diff --git a/tests/ui/error-codes/E0523.stderr b/tests/ui/error-codes/E0523.stderr
index c6e65b55e2b30..3830858f9c51f 100644
--- a/tests/ui/error-codes/E0523.stderr
+++ b/tests/ui/error-codes/E0523.stderr
@@ -4,9 +4,9 @@ error[E0464]: multiple candidates for `rlib` dependency `crateresolve1` found
 LL | extern crate crateresolve1;
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    |
-   = note: candidate #1: $TEST_BUILD_DIR/error-codes/E0523/auxiliary/libcrateresolve1-1.somelib
-   = note: candidate #2: $TEST_BUILD_DIR/error-codes/E0523/auxiliary/libcrateresolve1-2.somelib
-   = note: candidate #3: $TEST_BUILD_DIR/error-codes/E0523/auxiliary/libcrateresolve1-3.somelib
+   = note: candidate #1: $TEST_BUILD_DIR/error-codes/E0523/auxiliary/libcrateresolve1-3.somelib
+   = note: candidate #2: $TEST_BUILD_DIR/error-codes/E0523/auxiliary/libcrateresolve1-1.somelib
+   = note: candidate #3: $TEST_BUILD_DIR/error-codes/E0523/auxiliary/libcrateresolve1-2.somelib
 
 error: aborting due to 1 previous error