2023-09-26 13:40.06: New job: Build Dockerfile using linux-x86_64 in
                                [https://github.com/ocurrent/opam-health-check.git#refs/heads/allow-custom-opam-switch-args (97b7367cf29fb9b9d487ca447afb665574ed8887)]
2023-09-26 13:40.06: Using cache hint "https://github.com/ocurrent/opam-health-check.git-Dockerfile"
2023-09-26 13:40.06: Connecting to build cluster…
2023-09-26 13:40.06: Waiting for resource in pool OCluster
2023-09-26 13:40.06: Waiting for worker…
2023-09-26 13:40.57: Got resource from pool OCluster
Building on phoebe.caelum.ci.dev
All commits already cached
HEAD is now at 97b7367 Allow to pass custom "opam switch create" arguments
"Dockerfile" does not exist (in Dockerfile)
2023-09-26 13:40.57: Job failed: Failed: Build failed