2026-06-06 07:04.28: New job: Build using linux-arm64 in
                                []
2026-06-06 07:04.28: Will push staging image to ocurrent/opam-staging:debian-13-ocaml-5.5-beta1-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c
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~beta1 --packages=ocaml-base-compiler.5.5.0~beta1
RUN opam pin add -k version ocaml-base-compiler 5.5.0~beta1
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-06 07:04.28: Using cache hint "5.5.0~beta1-arm64-ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c"
2026-06-06 11:11.55: Waiting for worker…
2026-06-06 11:11.55: 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: 769B done
#1 DONE 0.0s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.7s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c
#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@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c
#6 DONE 0.0s

#7 [4/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#7 CACHED

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

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

#10 [5/9] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#10 CACHED

#11 [internal] load build context
#11 transferring context: 769B done
#11 DONE 0.0s

#12 [6/9] RUN opam switch create 5.5~beta1 --packages=ocaml-base-compiler.5.5.0~beta1
#12 0.571 
#12 0.571 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#12 0.571 Switch invariant: ["ocaml-base-compiler" {= "5.5.0~beta1"}]
#12 6.328 
#12 6.328 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 8.881 -> installed base-bigarray.base
#12 8.882 -> installed base-threads.base
#12 8.884 -> installed base-unix.base
#12 8.884 -> installed compiler-cloning.enabled
#12 8.885 -> installed ocaml-options-vanilla.1
#12 8.914 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#12 9.230 -> retrieved ocaml-compiler.5.5.0~beta1  (https://opam.ocaml.org/cache)
#12 123.6 -> installed ocaml-compiler.5.5.0~beta1
#12 123.6 -> installed ocaml-base-compiler.5.5.0~beta1
#12 123.7 -> installed ocaml.5.5.0
#12 123.7 -> installed base-domains.base
#12 123.7 -> installed base-effects.base
#12 123.7 -> installed base-nnp.base
#12 124.0 Done.
#12 124.0 
#12 124.0 <><> ocaml-compiler.5.5.0~beta1 installed successfully ><><><><><><><><><><><><>
#12 124.0 => This switch had to be compiled from sources, but future switches with the 🐌
#12 124.0    same compiler version and configuration should assemble instantly.
#12 124.0 # Run eval $(opam env --switch=5.5~beta1) to update the current shell environment
#12 DONE 125.5s

#13 [7/9] RUN opam pin add -k version ocaml-base-compiler 5.5.0~beta1
#13 0.581 ocaml-base-compiler is now pinned to version 5.5.0~beta1
#13 0.581 
#13 6.398 Already up-to-date.
#13 6.398 Nothing to do.
#13 6.399 # Run eval $(opam env) to update the current shell environment
#13 DONE 6.4s

#14 [8/9] RUN opam install -y opam-depext
#14 6.566 The following actions will be performed:
#14 6.566   - install opam-depext 1.2.3
#14 6.566 
#14 6.566 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#14 6.682 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#14 10.08 -> installed opam-depext.1.2.3
#14 10.09 Done.
#14 10.09 
#14 10.09 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#14 10.09 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#14 10.09 # Run eval $(opam env) to update the current shell environment
#14 DONE 11.3s

#15 [9/9] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#15 DONE 0.0s

#16 exporting to image
#16 exporting layers
#16 exporting layers 1.7s done
#16 writing image sha256:2dd157728a79a414e5b0bb50a8bb0fa0c324c9f6c2ec5929a4104305a6540fe7 done
#16 DONE 1.7s

 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 "sha256:2dd157728a79a414e5b0bb50a8bb0fa0c324c9f6c2ec5929a4104305a6540fe7" to "ocurrent/opam-staging:debian-13-ocaml-5.5-beta1-arm64" as user "ocurrentbuilder"
Login Succeeded
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debian-13-ocaml-5.5-beta1-arm64: digest: sha256:66ff3366aa5758ae4e6c48b66ec8e6fe1b8bcd4c613542207190d9bbb87ccf5a size: 10337
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debian-13-ocaml-5.5-beta1-arm64: digest: sha256:66ff3366aa5758ae4e6c48b66ec8e6fe1b8bcd4c613542207190d9bbb87ccf5a size: 10337
Job succeeded
2026-06-06 11:15.12: Job succeeded