2026-05-10 12:16.30: New job: Build using linux-arm64 in
                                []
2026-05-10 12:16.30: Will push staging image to ocurrent/opam-staging:ubuntu-25.10-ocaml-5.5-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
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 5.5 --packages=ocaml-variants.5.5.0+trunk
RUN opam pin add -k version ocaml-variants 5.5.0+trunk
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-05-10 12:16.30: Using cache hint "5.5.0-arm64-ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d"
2026-05-10 12:16.30: Waiting for worker…
2026-05-10 12:16.30: Got resource from pool OCluster
Building on ainia.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: 753B 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:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
#4 DONE 0.5s

#5 [internal] load .dockerignore
#5 transferring context: 2B done
#5 DONE 0.0s

#6 [1/9] FROM docker.io/ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
#6 DONE 0.0s

#7 [internal] load build context
#7 transferring context: 753B done
#7 DONE 0.0s

#8 [2/9] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 CACHED

#9 [6/9] RUN opam switch create 5.5 --packages=ocaml-variants.5.5.0+trunk
#9 CACHED

#10 [8/9] RUN opam install -y opam-depext
#10 CACHED

#11 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#11 CACHED

#12 [7/9] RUN opam pin add -k version ocaml-variants 5.5.0+trunk
#12 CACHED

#13 [3/9] RUN apt-get -y update
#13 CACHED

#14 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#14 CACHED

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 CACHED

#16 exporting to image
#16 exporting layers done
#16 writing image sha256:ed2d7834c7c0b2f37155a487de773d2d109d4c06db63b14640e8d15fbfb450e8 0.1s done
#16 DONE 0.1s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 15)
Pushing "sha256:ed2d7834c7c0b2f37155a487de773d2d109d4c06db63b14640e8d15fbfb450e8" to "ocurrent/opam-staging:ubuntu-25.10-ocaml-5.5-arm64" as user "ocurrentbuilder"
Login Succeeded
The push refers to repository [docker.io/ocurrent/opam-staging]
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ubuntu-25.10-ocaml-5.5-arm64: digest: sha256:2621129a82ae19224701384c019da4e41b094af513640dc9dce60100a5db372c size: 10556
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Job succeeded
2026-05-10 12:16.42: Job succeeded