Provide rust toolchain type in rustdoc action (#3863)

FaBrand · web-flow · commit 817bea7f02fd · 2026-02-20T17:09:00.000Z
This is noop in 7.x but used in newer versions
diff --git a/rust/private/rustdoc.bzl b/rust/private/rustdoc.bzl
@@ -254,6 +254,7 @@ def _rust_doc_impl(ctx):
         env = action.env,
         arguments = action.arguments,
         tools = action.tools,
+        toolchain = Label("//rust:toolchain_type"),
     )
 
     # This rule does nothing without a single-file output, though the directory should've sufficed.

Original file line number	Diff line number	Diff line change
`@@ -254,6 +254,7 @@ def _rust_doc_impl(ctx):`
`254`	`254`	`env = action.env,`
`255`	`255`	`arguments = action.arguments,`
`256`	`256`	`tools = action.tools,`
	`257`	`+ toolchain = Label("//rust:toolchain_type"),`
`257`	`258`	`)`
`258`	`259`
`259`	`260`	`# This rule does nothing without a single-file output, though the directory should've sufficed.`