lower MSRV to 1.57.0

This line uses the Display trait for io::ErrorKind which was stabilized in Rust 1.60.0. We can set MSRV all the way back to 1.57.0 by replacing it with a pretty-print. Closes helix-editor#2460.
mtoohey31 · Jun 15, 2022 · 3b1c211 · 3b1c211
1 parent f11d009
commit 3b1c211
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diff --git a/.github/workflows/msrv-rust-toolchain.toml b/.github/workflows/msrv-rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.60.0"
+channel = "1.57.0"
 components = ["rustfmt", "rust-src"]
diff --git a/helix-view/src/handlers/dap.rs b/helix-view/src/handlers/dap.rs
@@ -302,7 +302,9 @@ impl Editor {
                                     .arg(arguments.args.join(" "))
                                     .spawn()
                                     .unwrap(),
-                                e => panic!("Error to start debug console: {}", e),
+                                // TODO replace the pretty print {:?} with a regular format {}
+                                // when the MSRV is raised to 1.60.0
+                                e => panic!("Error to start debug console: {:?}", e),
                             })
                     } else {
                         std::process::Command::new("tmux")