rust/derive: pin proc-macro-crate to v1.1.0.

The just released proc-macro-crate v1.1.2 requires at least Rust 1.53.
Pin to the previous release for now.

diff --git a/rust/derive/Cargo.toml.in b/rust/derive/Cargo.toml.in
index b60ab198f3ba78542b2f5e8bc804e617dd267f3b..bf843f8f9687356a88ef16f48531c6a24105951a 100644 (file)
--- a/rust/derive/Cargo.toml.in
+++ b/rust/derive/Cargo.toml.in
@@ -8,6 +8,7 @@ proc-macro = true
 path = "@e_rustdir@/derive/src/lib.rs"
 
 [dependencies]
-proc-macro2 = "1.0"
+proc-macro-crate = "= 1.1.0"
+proc-macro2 = "1.0.36"
 quote = "1.0"
 syn = "1.0"