classify another lockfile (generation) error

Author: Skgland

src/prepare.rs

@@ -165,6 +165,10 @@ fn run_command(cmd: Command) -> anyhow::Result<()> {
             || line.contains("error: invalid type: ")
             || line.contains("error: cyclic feature dependency: feature ")
             || line.contains("error: cyclic package dependency: package ")
+            || (line.contains("error: package collision in the lockfile: packages ")
+                && line.contains(
+                    " are different, but only one can be written to lockfile unambiguously",
+                ))
         {
             broken_deps = true;
         } else if line.contains("error: failed to parse lock file at")

tests/buildtest/mod.rs

@@ -338,7 +338,7 @@ test_prepare_error_stderr!(
     "error: Attempting to resolve a dependency with more than one crate with links=ring-asm"
 );
 
-test_prepare_unknown_err!(
+test_prepare_error_stderr!(
     test_lockfile_collision,
     "lockfile-collision",
     BrokenDependencies,