2026-05-10 12:16.34: New job: Build using linux-arm64 in
                                []
2026-05-10 12:16.34: Will push staging image to ocurrent/opam-staging:ubuntu-25.10-ocaml-5.4-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
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 5.4 --packages=ocaml-base-compiler.5.4.1
RUN opam pin add -k version ocaml-base-compiler 5.4.1
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-05-10 12:16.34: Using cache hint "5.4.1-arm64-ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d"
2026-05-10 12:16.42: Waiting for worker…
2026-05-10 12:16.42: Got resource from pool OCluster
Building on ocaml-2.osuosl.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:
#1 transferring dockerfile: 663B 0.0s done
#1 DONE 0.2s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.8s

#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:
#5 transferring context: 2B done
#5 DONE 0.3s

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:adab8238e09967393dcdda9c26af5b00f8371aec8928a0130ed2193ea1014f3d
#6 DONE 0.0s

#7 [internal] load build context
#7 transferring context: 663B done
#7 DONE 0.1s

#8 [7/8] RUN opam install -y opam-depext
#8 CACHED

#9 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#9 CACHED

#10 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 CACHED

#11 [5/8] RUN opam switch create 5.4 --packages=ocaml-base-compiler.5.4.1
#11 CACHED

#12 [2/8] RUN apt-get -y update
#12 CACHED

#13 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.4.1
#13 CACHED

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 CACHED

#15 exporting to image
#15 exporting layers done
#15 writing image sha256:5e6ddf2db587c0fbce33c1a06157513a1259d393858134787ad7f57419765516 0.0s done
#15 DONE 0.0s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 14)
Pushing "sha256:5e6ddf2db587c0fbce33c1a06157513a1259d393858134787ad7f57419765516" to "ocurrent/opam-staging:ubuntu-25.10-ocaml-5.4-arm64" as user "ocurrentbuilder"
Login Succeeded
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ubuntu-25.10-ocaml-5.4-arm64: digest: sha256:eadf7bd642a3eace642b26190b65381de93a414765afd445defa9aea2b787cee size: 10345
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ubuntu-25.10-ocaml-5.4-arm64: digest: sha256:eadf7bd642a3eace642b26190b65381de93a414765afd445defa9aea2b787cee size: 10345
Job succeeded
2026-05-10 12:16.57: Job succeeded