diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0bc11276ff62b..105e21c3dc056 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -530,7 +530,6 @@ jobs:
   try:
     name: "try - ${{ matrix.name }}"
     env:
-      DIST_TRY_BUILD: 1
       CI_JOB_NAME: "${{ matrix.name }}"
       CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse
       HEAD_SHA: "${{ github.event.pull_request.head.sha || github.sha }}"
diff --git a/src/ci/github-actions/ci.yml b/src/ci/github-actions/ci.yml
index 858ebf72a6569..fa291949e5cbf 100644
--- a/src/ci/github-actions/ci.yml
+++ b/src/ci/github-actions/ci.yml
@@ -700,7 +700,6 @@ jobs:
     <<: *base-ci-job
     name: try - ${{ matrix.name }}
     env:
-      DIST_TRY_BUILD: 1
       <<: [*shared-ci-variables, *prod-variables]
     if: github.event_name == 'push' && (github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.repository == 'rust-lang-ci/rust'
     strategy:
diff --git a/src/tools/build-manifest/src/main.rs b/src/tools/build-manifest/src/main.rs
index 5153dd26f4ad4..98a4036c9b0e4 100644
--- a/src/tools/build-manifest/src/main.rs
+++ b/src/tools/build-manifest/src/main.rs
@@ -264,6 +264,29 @@ impl Builder {
             // channel-rust-1.XX.toml
             let major_minor = rust_version.split('.').take(2).collect::<Vec<_>>().join(".");
             self.write_channel_files(&major_minor, &manifest);
+        } else if channel == "beta" {
+            // channel-rust-1.XX.YY-beta.Z.toml
+            let rust_version = self
+                .versions
+                .version(&PkgType::Rust)
+                .expect("missing Rust tarball")
+                .version
+                .expect("missing Rust version")
+                .split(' ')
+                .next()
+                .unwrap()
+                .to_string();
+            self.write_channel_files(&rust_version, &manifest);
+
+            // channel-rust-1.XX.YY-beta.toml
+            let major_minor_patch_beta =
+                rust_version.split('.').take(3).collect::<Vec<_>>().join(".");
+            self.write_channel_files(&major_minor_patch_beta, &manifest);
+
+            // channel-rust-1.XX-beta.toml
+            let major_minor_beta =
+                format!("{}-beta", rust_version.split('.').take(2).collect::<Vec<_>>().join("."));
+            self.write_channel_files(&major_minor_beta, &manifest);
         }
 
         if let Some(path) = std::env::var_os("BUILD_MANIFEST_SHIPPED_FILES_PATH") {