diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eabc21c61..5fd4d9b30 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,7 +39,7 @@ jobs:
       matrix:
         include:
           - rust: stable
-            target: mips-unknown-linux-gnu
+            target: powerpc-unknown-linux-gnu
           - rust: stable
             target: i686-unknown-linux-gnu
 
diff --git a/scripts/all-tests.sh b/scripts/all-tests.sh
index a89b496e0..9d7f5dd39 100755
--- a/scripts/all-tests.sh
+++ b/scripts/all-tests.sh
@@ -7,17 +7,18 @@ FEATURES=$1
 CHANNEL=$2
 
 if [ "$CHANNEL" = "1.51.0" ]; then
+    cargo update --package openblas-src --precise 0.10.5
+    cargo update --package openblas-build --precise 0.10.5
+    cargo update --package once_cell --precise 1.14.0
+    cargo update --package byteorder --precise 1.4.3
     cargo update --package rayon --precise 1.5.3
     cargo update --package rayon-core --precise 1.9.3
-    cargo update --package quote --precise 1.0.30
-    cargo update --package proc-macro2 --precise 1.0.65
     cargo update --package rmp --precise 0.8.11
     cargo update --package serde_json --precise 1.0.99
     cargo update --package serde --precise 1.0.156
     cargo update --package thiserror --precise 1.0.39
-    cargo update --package once_cell --precise 1.14.0
-    cargo update --package openblas-src --precise 0.10.5
-    cargo update --package openblas-build --precise 0.10.5
+    cargo update --package quote --precise 1.0.30
+    cargo update --package proc-macro2 --precise 1.0.65
 fi
 
 cargo build --verbose --no-default-features
diff --git a/src/impl_views/mod.rs b/src/impl_views/mod.rs
index 487cc3cb2..cabea5b37 100644
--- a/src/impl_views/mod.rs
+++ b/src/impl_views/mod.rs
@@ -3,7 +3,4 @@ mod conversions;
 mod indexing;
 mod splitting;
 
-pub use constructors::*;
-pub use conversions::*;
 pub use indexing::*;
-pub use splitting::*;
diff --git a/src/lib.rs b/src/lib.rs
index 07e5ed680..41a23ae3f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,6 +9,7 @@
 #![doc(html_root_url = "https://docs.rs/ndarray/0.15/")]
 #![doc(html_logo_url = "https://rust-ndarray.github.io/images/rust-ndarray_logo.svg")]
 #![allow(
+    unstable_name_collisions, // our `PointerExt` collides with upcoming inherent methods on `NonNull`
     clippy::many_single_char_names,
     clippy::deref_addrof,
     clippy::unreadable_literal,