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-5.6-no-flat-float-array-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 5.6 --packages=ocaml-variants.5.6.0+trunk,ocaml-options-only-no-flat-float-array
RUN opam pin add -k version ocaml-variants 5.6.0+trunk
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 "5.6.0+no-flat-float-array-arm64-ocurrent/opam-staging@sha256:fdf46d038b0a2df9a4e4ac2efaa3da09ed43ea4793a4ac7517525d2a1171eaf3"
2026-06-06 12:46.23: Waiting for worker…
2026-06-06 12:46.23: Got resource from pool OCluster
Building on molpadia.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: 697B 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@sha256:87999aa3d42bdc6bea60565083ee17e86d1f3339802f543c0d03998580f9cb89
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:fdf46d038b0a2df9a4e4ac2efaa3da09ed43ea4793a4ac7517525d2a1171eaf3
#4 DONE 0.0s

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

#6 [internal] load build context
#6 transferring context: 697B done
#6 DONE 0.0s

#7 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:fdf46d038b0a2df9a4e4ac2efaa3da09ed43ea4793a4ac7517525d2a1171eaf3
#7 resolve docker.io/ocurrent/opam-staging@sha256:fdf46d038b0a2df9a4e4ac2efaa3da09ed43ea4793a4ac7517525d2a1171eaf3
#7 resolve docker.io/ocurrent/opam-staging@sha256:fdf46d038b0a2df9a4e4ac2efaa3da09ed43ea4793a4ac7517525d2a1171eaf3 0.8s done
#7 DONE 0.8s

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

#9 [3/8] RUN apk update && apk upgrade
#9 CACHED

#10 [4/8] RUN apk add zstd
#10 CACHED

#11 [5/8] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk,ocaml-options-only-no-flat-float-array
#11 0.606 
#11 0.606 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.606 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"} "ocaml-options-only-no-flat-float-array"]
#11 6.511 
#11 6.511 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 10.02 -> installed base-bigarray.base
#11 10.02 -> installed base-threads.base
#11 10.02 -> installed base-unix.base
#11 10.02 -> installed host-arch-arm64.1
#11 10.02 -> installed host-system-other.1
#11 10.02 -> installed ocaml-option-no-flat-float-array.1
#11 10.02 -> installed ocaml-options-only-no-flat-float-array.1
#11 10.03 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#11 10.69 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#11 130.3 -> installed ocaml-compiler.5.6
#11 130.3 -> installed ocaml-variants.5.6.0+trunk
#11 130.5 -> installed ocaml.5.6.0
#11 130.5 -> installed base-domains.base
#11 130.5 -> installed base-effects.base
#11 130.5 -> installed base-nnp.base
#11 130.8 Done.
#11 130.8 # Run eval $(opam env --switch=5.6) to update the current shell environment
#11 DONE 132.8s

#12 [6/8] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#12 0.679 ocaml-variants is now pinned to version 5.6.0+trunk
#12 0.679 
#12 6.774 Already up-to-date.
#12 6.774 Nothing to do.
#12 6.781 # Run eval $(opam env) to update the current shell environment
#12 DONE 6.8s

#13 [7/8] RUN opam install -y opam-depext
#13 6.877 The following actions will be performed:
#13 6.877   - install opam-depext 1.2.3
#13 6.877 
#13 6.877 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 7.029 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 11.29 -> installed opam-depext.1.2.3
#13 11.29 Done.
#13 11.29 
#13 11.29 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 11.29 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 11.30 # Run eval $(opam env) to update the current shell environment
#13 DONE 12.7s

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

#15 exporting to image
#15 exporting layers
#15 exporting layers 2.3s done
#15 writing image sha256:6f34b464fdf8b1318cf44dffdcfa0e6c49ce0624a8baf0e8c4ce4385c7cbd650 done
#15 DONE 2.3s

 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 "sha256:6f34b464fdf8b1318cf44dffdcfa0e6c49ce0624a8baf0e8c4ce4385c7cbd650" to "ocurrent/opam-staging:alpine-3.23-ocaml-5.6-no-flat-float-array-arm64" as user "ocurrentbuilder"
Login Succeeded
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alpine-3.23-ocaml-5.6-no-flat-float-array-arm64: digest: sha256:2aaf932c2b0ed54e524eaafe03067ec628ab5c0a07f86b3eb0c4f9d500391827 size: 9293
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alpine-3.23-ocaml-5.6-no-flat-float-array-arm64: digest: sha256:2aaf932c2b0ed54e524eaafe03067ec628ab5c0a07f86b3eb0c4f9d500391827 size: 9293
Job succeeded
2026-06-06 12:50.04: Job succeeded