Bug fix for mounted paths for docker-in-docker.

Author: Alexhuszagh

CHANGELOG.md

@@ -19,6 +19,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ### Fixed
 
+- #898 - fix the path to the mount root with docker-in-docker if mounting volumes.
 - #897 - ensure `target.$(...)` config options override `build` ones when parsing strings and vecs.
 - #895 - convert filenames in docker tags to ASCII lowercase and ignore invalid characters
 - #885 - handle symlinks when using remote docker.

src/docker/shared.rs

@@ -89,10 +89,7 @@ impl Directories {
         }
         #[cfg(not(target_os = "windows"))]
         {
-            mount_root = mount_finder
-                .find_mount_path(host_root.clone())
-                .to_utf8()?
-                .to_string();
+            mount_root = host_root.to_utf8()?.to_string();
         }
         let mount_cwd: String;
         #[cfg(target_os = "windows")]