diff --git a/.travis.yml b/.travis.yml
index 8a05e2a5..297ab4ae 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,14 +16,14 @@ matrix:
             - bash ./scripts/branch-contains-no-tmp-commits
             - bash ./scripts/version-updated
         - language: rust
-          rust: 1.24.0
+          rust: 1.25.0
           cache:
             cargo: true
           script:
             - cargo build --all --all-features -j 1  || exit 1
             - cargo test  --all --all-features -j 1  || exit 1
         - language: rust
-          rust: 1.25.0
+          rust: 1.26.0
           cache:
             cargo: true
           script:
diff --git a/bin/domain/imag-habit/src/main.rs b/bin/domain/imag-habit/src/main.rs
index 218a0d67..6d195ba8 100644
--- a/bin/domain/imag-habit/src/main.rs
+++ b/bin/domain/imag-habit/src/main.rs
@@ -197,7 +197,7 @@ fn delete(rt: &Runtime) {
                     }
                 };
 
-                fle
+                let _ = fle
                     .linked_instances()
                     .map_err_trace_exit_unwrap(1)
                     .trace_unwrap_exit(1)