2026-04-26 13:09.20: New job: Build using linux-arm64 in
                                []
2026-04-26 13:09.20: Will push staging image to ocurrent/opam-staging:debian-13-ocaml-5.2-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:8d2c2b0056fc8b5e1380a3c0008209982e67950d90f20551fa55d8a536a7ff75
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" ]


2026-04-26 13:09.20: Using cache hint "5.2.1-arm64-ocurrent/opam-staging@sha256:8d2c2b0056fc8b5e1380a3c0008209982e67950d90f20551fa55d8a536a7ff75"
2026-04-26 13:09.20: Waiting for resource in pool OCluster
2026-04-26 13:09.20: Waiting for worker…
2026-04-26 13:09.20: Got resource from pool OCluster
Building on okypous.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 0.3s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:8d2c2b0056fc8b5e1380a3c0008209982e67950d90f20551fa55d8a536a7ff75
#4 DONE 0.0s

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

#6 [1/5] FROM docker.io/ocurrent/opam-staging@sha256:8d2c2b0056fc8b5e1380a3c0008209982e67950d90f20551fa55d8a536a7ff75
#6 resolve docker.io/ocurrent/opam-staging@sha256:8d2c2b0056fc8b5e1380a3c0008209982e67950d90f20551fa55d8a536a7ff75 0.8s done
#6 CACHED

#7 [2/8] RUN apt-get -y update
#7 CACHED

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

#9 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#9 CACHED

#10 [internal] load build context
#10 transferring context: 663B done
#10 DONE 0.0s

#11 [5/8] RUN opam switch create 5.2 --packages=ocaml-base-compiler.5.2.1
#11 3.573 
#11 3.573 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 3.653 [ocaml-config.3/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache
#11 3.788 [ocaml-config.3/ocaml-config.install] downloaded from https://opam.ocaml.org/cache
#11 4.041 [ocaml-base-compiler.5.2.1] downloaded from cache at https://opam.ocaml.org/cache
#11 4.788 [ocaml-base-compiler.5.2.1/ocaml-base-compiler.install] downloaded from https://opam.ocaml.org/cache
#11 4.788 
#11 4.788 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 5.057 -> installed base-bigarray.base
#11 5.097 -> installed base-threads.base
#11 5.099 -> installed base-unix.base
#11 5.100 -> installed ocaml-options-vanilla.1
#11 106.1 -> installed ocaml-base-compiler.5.2.1
#11 106.1 -> installed ocaml-config.3
#11 106.3 -> installed ocaml.5.2.1
#11 106.3 -> installed base-domains.base
#11 106.3 -> installed base-nnp.base
#11 106.6 Done.
#11 106.6 # Run eval $(opam env) to update the current shell environment
#11 DONE 106.9s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.2.1
#12 0.556 ocaml-base-compiler is now pinned to version 5.2.1
#12 0.556 
#12 3.776 No package build needed.
#12 3.776 Nothing to do.
#12 3.776 # Run eval $(opam env) to update the current shell environment
#12 DONE 3.8s

#13 [7/8] RUN opam install -y opam-depext
#13 4.033 The following actions will be performed:
#13 4.033   - install opam-depext 1.2.3
#13 4.034 
#13 4.034 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 4.265 [opam-depext.1.2.3] downloaded from cache at https://opam.ocaml.org/cache
#13 4.318 
#13 4.318 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 5.841 -> installed opam-depext.1.2.3
#13 5.849 Done.
#13 5.850 # Run eval $(opam env) to update the current shell environment
#13 DONE 5.9s

#14 [8/8] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#14 DONE 0.0s

#15 exporting to image
#15 exporting layers
#15 exporting layers 2.0s done
#15 writing image sha256:3d4e93fc83cfd1cba78d5b62268237b732a2b365c5e8112634b15db321c16e8f done
#15 DONE 2.0s

 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 "sha256:3d4e93fc83cfd1cba78d5b62268237b732a2b365c5e8112634b15db321c16e8f" to "ocurrent/opam-staging:debian-13-ocaml-5.2-arm64" as user "ocurrentbuilder"
Login Succeeded
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debian-13-ocaml-5.2-arm64: digest: sha256:c40b5049a8c8dd73dc597b2420f573da618f30a5fb4bde6f0b8637599149d8cc size: 10332
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Job succeeded
2026-04-26 13:12.17: Job succeeded