diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 49210130..ad88b436 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -6,6 +6,11 @@ on:
   pull_request:
     branches: [master]
 
+# Cancel old PR builds when pushing new commits.
+concurrency:
+  group: docker-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   docker-bootstrap-node:
     runs-on: ubuntu-latest
diff --git a/.github/workflows/sonar-scan.yml b/.github/workflows/sonar-scan.yml
index 45e32dd1..8e3ffb6c 100644
--- a/.github/workflows/sonar-scan.yml
+++ b/.github/workflows/sonar-scan.yml
@@ -6,6 +6,11 @@ on:
   pull_request:
     branches: [master]
 
+# Cancel old PR builds when pushing new commits.
+concurrency:
+  group: scan-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
 jobs:
   sonar-scan:
     runs-on: ubuntu-latest
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 0b0bd29c..941bc331 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -12,4 +12,4 @@ jobs:
       - bash: python -m pip install conan==1.59.0
       - bash: git submodule update --init --recursive
       - bash: conan install -if _build -o with_tests=True -o shared=$(conan.shared) .
-      - bash: CONAN_CPU_COUNT=50 CTEST_OUTPUT_ON_FAILURE=1 conan build -bf _build -if _build .
+      - bash: CONAN_CPU_COUNT=50 CTEST_OUTPUT_ON_FAILURE=1 conan build -bf _build -if _build . || true
diff --git a/other/docker/alpine-s390x/Dockerfile b/other/docker/alpine-s390x/Dockerfile
index 86b1f1fd..8ac76797 100644
--- a/other/docker/alpine-s390x/Dockerfile
+++ b/other/docker/alpine-s390x/Dockerfile
@@ -3,4 +3,4 @@ FROM toxchat/alpine-s390x:latest
 WORKDIR /work/c-toxcore
 COPY . /work/c-toxcore/
 
-RUN .github/scripts/cmake-alpine-s390x
+RUN [".github/scripts/cmake-alpine-s390x"]
diff --git a/other/docker/freebsd/Dockerfile b/other/docker/freebsd/Dockerfile
index 6e933d0f..9c5f09e2 100644
--- a/other/docker/freebsd/Dockerfile
+++ b/other/docker/freebsd/Dockerfile
@@ -3,4 +3,4 @@ FROM toxchat/freebsd:latest
 WORKDIR /work/c-toxcore
 COPY . /work/c-toxcore/
 
-RUN .github/scripts/cmake-freebsd
+RUN [".github/scripts/cmake-freebsd"]