2026-06-06 07:09.09: New job: Build using linux-arm64 in
                                []
2026-06-06 07:09.09: Will push staging image to ocurrent/opam-staging:alpine-3.23-ocaml-5.5-beta1-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:fdf46d038b0a2df9a4e4ac2efaa3da09ed43ea4793a4ac7517525d2a1171eaf3
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 apk update && apk upgrade
RUN apk add zstd
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 07:09.09: Using cache hint "5.5.0~beta1-arm64-ocurrent/opam-staging@sha256:fdf46d038b0a2df9a4e4ac2efaa3da09ed43ea4793a4ac7517525d2a1171eaf3"
2026-06-06 12:47.02: Waiting for worker…
2026-06-06 12:47.02: Got resource from pool OCluster
Building on kydoime.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: 674B done
#1 DONE 0.1s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 1.1s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:fdf46d038b0a2df9a4e4ac2efaa3da09ed43ea4793a4ac7517525d2a1171eaf3
#4 DONE 0.6s

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

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:fdf46d038b0a2df9a4e4ac2efaa3da09ed43ea4793a4ac7517525d2a1171eaf3
#6 DONE 0.0s

#7 [2/8] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#7 CACHED

#8 [3/8] RUN apk update && apk upgrade
#8 CACHED

#9 [4/8] RUN apk add zstd
#9 CACHED

#10 [internal] load build context
#10 transferring context: 674B done
#10 DONE 0.2s

#11 [5/8] RUN opam switch create 5.5~beta1 --packages=ocaml-base-compiler.5.5.0~beta1
#11 0.743 
#11 0.743 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.743 Switch invariant: ["ocaml-base-compiler" {= "5.5.0~beta1"}]
#11 6.627 
#11 6.627 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 9.953 -> installed base-bigarray.base
#11 9.954 -> installed base-threads.base
#11 9.956 -> installed base-unix.base
#11 9.957 -> installed compiler-cloning.enabled
#11 9.958 -> installed ocaml-options-vanilla.1
#11 9.969 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#11 10.49 -> retrieved ocaml-compiler.5.5.0~beta1  (https://opam.ocaml.org/cache)
#11 130.1 -> installed ocaml-compiler.5.5.0~beta1
#11 130.1 -> installed ocaml-base-compiler.5.5.0~beta1
#11 130.2 -> installed ocaml.5.5.0
#11 130.2 -> installed base-domains.base
#11 130.2 -> installed base-effects.base
#11 130.2 -> installed base-nnp.base
#11 130.6 Done.
#11 130.6 
#11 130.6 <><> ocaml-compiler.5.5.0~beta1 installed successfully ><><><><><><><><><><><><>
#11 130.6 => This switch had to be compiled from sources, but future switches with the 🐌
#11 130.6    same compiler version and configuration should assemble instantly.
#11 130.6 # Run eval $(opam env --switch=5.5~beta1) to update the current shell environment
#11 DONE 132.2s

#12 [6/8] RUN opam pin add -k version ocaml-base-compiler 5.5.0~beta1
#12 0.623 ocaml-base-compiler is now pinned to version 5.5.0~beta1
#12 0.623 
#12 6.631 Already up-to-date.
#12 6.631 Nothing to do.
#12 6.638 # Run eval $(opam env) to update the current shell environment
#12 DONE 6.7s

#13 [7/8] RUN opam install -y opam-depext
#13 6.799 The following actions will be performed:
#13 6.799   - install opam-depext 1.2.3
#13 6.799 
#13 6.799 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 6.921 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 11.08 -> installed opam-depext.1.2.3
#13 11.09 Done.
#13 11.09 
#13 11.09 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 11.09 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 11.09 # Run eval $(opam env) to update the current shell environment
#13 DONE 12.4s

#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 sha256:6b5b8e7b9233b7bfc2c9c19aa4472fdbb998970a8330ab63f0030da0eb568c33 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 "sha256:6b5b8e7b9233b7bfc2c9c19aa4472fdbb998970a8330ab63f0030da0eb568c33" to "ocurrent/opam-staging:alpine-3.23-ocaml-5.5-beta1-arm64" as user "ocurrentbuilder"
Login Succeeded
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alpine-3.23-ocaml-5.5-beta1-arm64: digest: sha256:400cbffa14fe9b32f46756883289aaabe572bc153d88abd377b14472afc93cce size: 9293
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Job succeeded
2026-06-06 12:50.40: Job succeeded