chore: Bump MSRV to 1.78.0

Author: uncomputable

Cargo.toml

@@ -7,7 +7,7 @@ homepage = "https://github.com/BlockstreamResearch/simfony/"
 repository = "https://github.com/BlockstreamResearch/simfony/"
 description = "Rust-like language that compiles to Simplicity bytecode."
 edition = "2021"
-rust-version = "1.63.0"
+rust-version = "1.78.0"
 
 [lib]
 name = "simfony"

README.md

@@ -20,7 +20,7 @@ Take a look at the [example programs](https://github.com/BlockstreamResearch/sim
 
 ## MSRV
 
-This crate should compile with any feature combination on **Rust 1.63.0** or higher.
+This crate should compile with any feature combination on **Rust 1.78.0** or higher.
 
 ## Simplicity's need for a high-level language
 

clippy.toml

@@ -1 +1 @@
-msrv = "1.63.0"
+msrv = "1.78.0"

codegen/Cargo.toml

@@ -2,7 +2,6 @@
 name = "codegen"
 version = "0.1.0"
 edition = "2021"
-rust-version = "1.63.0"
 description = "Generator of Rust code as interface between Simfony and Rust."
 publish = false
 

flake.nix

@@ -68,7 +68,7 @@
         };
         msrv = pkgs.mkShell {
           buildInputs = [
-            (mkRust "stable" "1.63.0" "minimal" [] [])
+            (mkRust "stable" "1.78.0" "minimal" [] [])
             pkgs.just
           ];
         };