diff --git a/rust-toolchain b/rust-toolchain
index 59ad80c3207..f5c196a8e70 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2023-04-29"
+channel = "nightly-2023-05-04"
 components = ["rust-src", "rustc-dev", "llvm-tools-preview"]
diff --git a/src/driver/jit.rs b/src/driver/jit.rs
index 3118105a4e2..62a3e096912 100644
--- a/src/driver/jit.rs
+++ b/src/driver/jit.rs
@@ -325,7 +325,7 @@ fn dep_symbol_lookup_fn(
             Linkage::NotLinked | Linkage::IncludedFromDylib => {}
             Linkage::Static => {
                 let name = crate_info.crate_name[&cnum];
-                let mut err = sess.struct_err(&format!("Can't load static lib {}", name));
+                let mut err = sess.struct_err(format!("Can't load static lib {}", name));
                 err.note("rustc_codegen_cranelift can only load dylibs in JIT mode.");
                 err.emit();
             }