2026-04-25 09:43.22: New job: Build using linux-x86_64 in
                                []
2026-04-25 09:43.22: Will push staging image to ocurrent/opam-staging:ubuntu-25.04-ocaml-5.2-amd64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
USER root
RUN apt-get -y update
RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
USER opam
RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1
RUN opam pin add -k version ocaml-base-compiler 5.2.1
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-04-25 09:43.22: Using cache hint "5.2.1-amd64-ocurrent/opam-staging@sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4"
2026-04-25 09:43.22: Waiting for resource in pool OCluster
2026-04-25 09:43.22: Waiting for worker…
2026-04-25 09:43.22: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
WARNING: experimental flag squash is removed with BuildKit. You should squash inside build using a multi-stage Dockerfile for efficiency.
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile
#1 transferring dockerfile: 663B done
#1 DONE 0.0s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.5s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:2780b5c3bab67f1f76c781860de469442999ed1a0d7992a5efdf2cffc0e3d769
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4
#4 ERROR: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/ocurrent/opam-staging/manifests/sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your unauthenticated pull rate limit. https://www.docker.com/increase-rate-limit
------
 > [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4:
------
Dockerfile:3
--------------------
   1 |     # syntax=docker/dockerfile:1
   2 |     
   3 | >>> FROM ocurrent/opam-staging@sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4
   4 |     ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
   5 |     USER root
--------------------
ERROR: failed to solve: failed to copy: httpReadSeeker: failed open: unexpected status code https://registry-1.docker.io/v2/ocurrent/opam-staging/manifests/sha256:12d748f685c4c3707f43583c64e85c141320021d3ac56ca3d33eb2552a586fb4: 429 Too Many Requests - Server message: toomanyrequests: You have reached your unauthenticated pull rate limit. https://www.docker.com/increase-rate-limit
docker-build failed with exit-code 1
2026-04-25 09:43.25: Job failed: Failed: Build failed