chore: upgrade to Rust 1.68.2 (#19416)

Also prints disk size in release builds.

.github/workflows/ci.generate.ts

@@ -575,7 +575,12 @@ const ci = {
             "(github.ref == 'refs/heads/main' ||",
             "startsWith(github.ref, 'refs/tags/'))))",
           ].join("\n"),
-          run: "cargo build --release --locked --all-targets",
+          run: [
+            // output fs space before and after building
+            "df -h",
+            "cargo build --release --locked --all-targets",
+            "df -h",
+          ].join("\n"),
         },
         {
           name: "Upload PR artifact (linux)",

.github/workflows/ci.yml

@@ -349,7 +349,10 @@ jobs:
           (github.repository == 'denoland/deno' &&
           (github.ref == 'refs/heads/main' ||
           startsWith(github.ref, 'refs/tags/')))))
-        run: cargo build --release --locked --all-targets
+        run: |-
+          df -h
+          cargo build --release --locked --all-targets
+          df -h
       - name: Upload PR artifact (linux)
         if: |-
           !(github.event_name == 'pull_request' && matrix.skip_pr) && (matrix.job == 'test' &&

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.68.0"
+channel = "1.68.2"
 components = ["rustfmt", "clippy"]