also detect yanked deps when fetching deps

not only when generating lockfile

Author: Skgland

src/prepare.rs

@@ -157,6 +157,7 @@ pub(crate) fn fetch_deps(
     source_dir: &Path,
     fetch_build_std_targets: &[&str],
 ) -> anyhow::Result<()> {
+    let mut yanked_deps = false;
     let mut missing_deps = false;
     let mut broken_deps = false;
     let mut cmd = Command::new(workspace, toolchain.cargo())
@@ -174,10 +175,11 @@ pub(crate) fn fetch_deps(
 
     match cmd
         .process_lines(&mut |line, _| {
-            if line.contains("failed to load source for dependency") {
+            if line.contains("failed to select a version for the requirement") {
+                yanked_deps = true;
+            } else if line.contains("failed to load source for dependency") {
                 missing_deps = true;
-            }
-            if line.contains("failed to parse manifest at")
+            } else if line.contains("failed to parse manifest at")
                 || line.contains("error: invalid table header")
             {
                 broken_deps = true;
@@ -186,6 +188,9 @@ pub(crate) fn fetch_deps(
         .run_capture()
     {
         Ok(_) => Ok(()),
+        Err(CommandError::ExecutionFailed { status: _, stderr }) if yanked_deps => {
+            Err(PrepareError::YankedDependencies(stderr).into())
+        }
         Err(CommandError::ExecutionFailed { status: _, stderr }) if missing_deps => {
             Err(PrepareError::MissingDependencies(stderr).into())
         }