Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-srv/src/lib.rs')
-rw-r--r--crates/proc-macro-srv/src/lib.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/crates/proc-macro-srv/src/lib.rs b/crates/proc-macro-srv/src/lib.rs
index d7e0a708b1..2472c1e311 100644
--- a/crates/proc-macro-srv/src/lib.rs
+++ b/crates/proc-macro-srv/src/lib.rs
@@ -52,7 +52,7 @@ use crate::server::TokenStream;
// see `build.rs`
include!(concat!(env!("OUT_DIR"), "/rustc_version.rs"));
-trait ProcMacroSrvSpan: tt::Span {
+trait ProcMacroSrvSpan: Copy {
type Server: proc_macro::bridge::server::Server<TokenStream = TokenStream<Self>>;
fn make_server(call_site: Self, def_site: Self, mixed_site: Self) -> Self::Server;
}