diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6a6a0d41753d25f42eae5330522fa9644b27de32..73d4c8e611392c717508d1d37ac0bd69a4c6e007 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,7 +19,7 @@ linux:
 linux:stable:
   script:
     - cargo build
-    - TOOLCHAIN=stable make tests
+    - TOOLCHAIN= make tests
 
 redox:
   variables:
@@ -33,4 +33,4 @@ redox:
     - rustup default nightly-2018-07-18
     - rustup target add x86_64-unknown-redox
   script:
-    - make REDOX=1
+    - make TOOLCHAIN= REDOX=1
diff --git a/Cargo.lock b/Cargo.lock
index 14941839efdff84d4175b030a4b2993181fca5c4..72bc9444ba8bb1169af1e3fc0a308f0717b61d86 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,3 +1,5 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
 [[package]]
 name = "aho-corasick"
 version = "0.6.9"