2026-09-20 13:31.13: New job: Build using linux-arm64 in
                                []
2026-09-20 13:31.13: Will push staging image to ocurrent/opam-staging:fedora-43-ocaml-5.6-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:82a5eabd555d4ffefbfdc2304b13cde5b5bf6cbd3e85ede60ed01bf419d65576
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 yum install -y libzstd-devel && yum clean packages
USER opam
RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk
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" ]


2026-09-20 13:31.13: Using cache hint "5.6.0-arm64-ocurrent/opam-staging@sha256:82a5eabd555d4ffefbfdc2304b13cde5b5bf6cbd3e85ede60ed01bf419d65576"
2026-09-20 13:31.13: Waiting for resource in pool OCluster
2026-09-20 13:31.13: Waiting for worker…
2026-09-20 13:31.13: 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: 666B 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:ecfaec9ed6d810b56388c508f4121597bfbba70d41a6dfeee4d8cad5f295fc32
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:82a5eabd555d4ffefbfdc2304b13cde5b5bf6cbd3e85ede60ed01bf419d65576
#4 DONE 0.0s

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

#6 [internal] load build context
#6 transferring context: 666B done
#6 DONE 0.0s

#7 [1/7] FROM docker.io/ocurrent/opam-staging@sha256:82a5eabd555d4ffefbfdc2304b13cde5b5bf6cbd3e85ede60ed01bf419d65576
#7 resolve docker.io/ocurrent/opam-staging@sha256:82a5eabd555d4ffefbfdc2304b13cde5b5bf6cbd3e85ede60ed01bf419d65576
#7 resolve docker.io/ocurrent/opam-staging@sha256:82a5eabd555d4ffefbfdc2304b13cde5b5bf6cbd3e85ede60ed01bf419d65576 0.8s done
#7 DONE 1.3s

#8 [2/7] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 1.162 [beta] Initialised
#8 DONE 1.6s

#9 [3/7] RUN yum install -y libzstd-devel && yum clean packages
#9 0.365 Updating and loading repositories:
#9 1.132  Fedora 43 - aarch64 - Updates          100% |   9.4 KiB/s |   6.2 KiB |  00m01s
#9 1.133  Fedora 43 - aarch64                    100% | 144.8 KiB/s |  17.5 KiB |  00m00s
#9 8.636 Repositories loaded.
#9 9.242 Total size of inbound packages is 53 KiB. Need to download 53 KiB.
#9 9.242 After this operation, 208 KiB extra will be used (install 208 KiB, remove 0 B).
#9 9.242 Package        Arch    Version      Repository      Size
#9 9.242 Installing:
#9 9.242  libzstd-devel aarch64 1.5.7-2.fc43 fedora     208.0 KiB
#9 9.242 
#9 9.242 Transaction Summary:
#9 9.242  Installing:         1 package
#9 9.242 
#9 9.364 [1/1] libzstd-devel-0:1.5.7-2.fc43.aarc 100% | 459.5 KiB/s |  52.8 KiB |  00m00s
#9 9.364 --------------------------------------------------------------------------------
#9 9.364 [1/1] Total                             100% | 436.7 KiB/s |  52.8 KiB |  00m00s
#9 9.366 Running transaction
#9 9.407 [1/3] Verify package files              100% |   0.0   B/s |   1.0   B |  00m00s
#9 9.435 [2/3] Prepare transaction               100% |  40.0   B/s |   1.0   B |  00m00s
#9 9.652 [3/3] Installing libzstd-devel-0:1.5.7- 100% | 953.5 KiB/s | 208.8 KiB |  00m00s
#9 9.652 Complete!
#9 9.718 Removed 0 files, 1 directories (total of 0 B). 0 errors occurred.
#9 DONE 9.7s

#10 [4/7] RUN opam switch create 5.6 --packages=ocaml-variants.5.6.0+trunk
#10 0.635 
#10 0.635 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#10 0.635 Switch invariant: ["ocaml-variants" {= "5.6.0+trunk"}]
#10 6.237 
#10 6.237 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 9.118 -> installed base-bigarray.base
#10 9.119 -> installed base-threads.base
#10 9.121 -> installed base-unix.base
#10 9.122 -> installed host-arch-arm64.1
#10 9.122 -> installed host-system-other.1
#10 9.133 -> retrieved ocaml.5.6.0  (https://opam.ocaml.org/cache)
#10 9.989 -> retrieved ocaml-compiler.5.6  (https://github.com/ocaml/ocaml/archive/trunk.tar.gz)
#10 124.4 -> installed ocaml-compiler.5.6
#10 124.4 -> installed ocaml-variants.5.6.0+trunk
#10 124.6 -> installed ocaml.5.6.0
#10 124.6 -> installed base-domains.base
#10 124.6 -> installed base-effects.base
#10 124.6 -> installed base-nnp.base
#10 124.9 Done.
#10 124.9 # Run eval $(opam env --switch=5.6) to update the current shell environment
#10 DONE 127.0s

#11 [5/7] RUN opam pin add -k version ocaml-variants 5.6.0+trunk
#11 0.659 ocaml-variants is now pinned to version 5.6.0+trunk
#11 0.659 
#11 6.407 Already up-to-date.
#11 6.407 Nothing to do.
#11 6.407 # Run eval $(opam env) to update the current shell environment
#11 DONE 6.5s

#12 [6/7] RUN opam install -y opam-depext
#12 6.532 The following actions will be performed:
#12 6.532   - install opam-depext 1.2.3
#12 6.532 
#12 6.532 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 6.781 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#12 10.49 -> installed opam-depext.1.2.3
#12 10.50 Done.
#12 10.50 
#12 10.50 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#12 10.50 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#12 10.50 # Run eval $(opam env) to update the current shell environment
#12 DONE 11.8s

#13 [7/7] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#13 DONE 0.0s

#14 exporting to image
#14 exporting layers
#14 exporting layers 2.0s done
#14 writing image sha256:c49074b28ab232f867a580b41c35de3420cc1b10dbc05c86b29b17faf81c95c2 done
#14 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 13)
Pushing "sha256:c49074b28ab232f867a580b41c35de3420cc1b10dbc05c86b29b17faf81c95c2" to "ocurrent/opam-staging:fedora-43-ocaml-5.6-arm64" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-09-20 13:34.42: Job succeeded