2026-06-06 07:00.34: New job: Build using linux-arm64 in
                                []
2026-06-06 07:00.34: Will push staging image to ocurrent/opam-staging:fedora-43-ocaml-5.5-beta1-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:8118915bdd4632641ddc9b457de937dd5a3fd096b28af7227c2c2dfc1a9c8dbf
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 zstd && yum clean packages
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 07:00.34: Using cache hint "5.5.0~beta1-arm64-ocurrent/opam-staging@sha256:8118915bdd4632641ddc9b457de937dd5a3fd096b28af7227c2c2dfc1a9c8dbf"
2026-06-06 09:44.20: Waiting for worker…
2026-06-06 09:44.20: 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: 673B 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@sha256:8118915bdd4632641ddc9b457de937dd5a3fd096b28af7227c2c2dfc1a9c8dbf
#4 DONE 0.0s

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

#6 [1/7] FROM docker.io/ocurrent/opam-staging@sha256:8118915bdd4632641ddc9b457de937dd5a3fd096b28af7227c2c2dfc1a9c8dbf
#6 CACHED

#7 [internal] load build context
#7 transferring context: 673B done
#7 DONE 0.0s

#8 [2/7] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 0.788 [beta] Initialised
#8 DONE 1.2s

#9 [3/7] RUN yum install -y zstd && yum clean packages
#9 0.206 Updating and loading repositories:
#9 1.075  Fedora 43 - aarch64                    100% |  21.9 KiB/s |  17.2 KiB |  00m01s
#9 1.075  Fedora 43 - aarch64 - Updates          100% |  39.3 KiB/s |   4.6 KiB |  00m00s
#9 6.233 Repositories loaded.
#9 6.770 Package "zstd-1.5.7-2.fc43.aarch64" is already installed.
#9 6.770 
#9 6.770 Nothing to do.
#9 6.830 Removed 0 files, 0 directories (total of 0 B). 0 errors occurred.
#9 DONE 6.9s

#10 [4/7] RUN opam switch create 5.5~beta1 --packages=ocaml-base-compiler.5.5.0~beta1
#10 0.676 
#10 0.676 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#10 0.676 Switch invariant: ["ocaml-base-compiler" {= "5.5.0~beta1"}]
#10 6.016 
#10 6.016 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 8.588 -> installed base-bigarray.base
#10 8.591 -> installed base-threads.base
#10 8.593 -> installed base-unix.base
#10 8.594 -> installed compiler-cloning.enabled
#10 8.595 -> installed ocaml-options-vanilla.1
#10 8.603 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#10 9.092 -> retrieved ocaml-compiler.5.5.0~beta1  (https://opam.ocaml.org/cache)
#10 125.2 -> installed ocaml-compiler.5.5.0~beta1
#10 125.2 -> installed ocaml-base-compiler.5.5.0~beta1
#10 125.4 -> installed ocaml.5.5.0
#10 125.4 -> installed base-domains.base
#10 125.4 -> installed base-effects.base
#10 125.4 -> installed base-nnp.base
#10 125.7 Done.
#10 125.7 
#10 125.7 <><> ocaml-compiler.5.5.0~beta1 installed successfully ><><><><><><><><><><><><>
#10 125.7 => This switch had to be compiled from sources, but future switches with the 🐌
#10 125.7    same compiler version and configuration should assemble instantly.
#10 125.7 # Run eval $(opam env --switch=5.5~beta1) to update the current shell environment
#10 DONE 127.3s

#11 [5/7] RUN opam pin add -k version ocaml-base-compiler 5.5.0~beta1
#11 0.604 ocaml-base-compiler is now pinned to version 5.5.0~beta1
#11 0.604 
#11 5.995 Already up-to-date.
#11 5.995 Nothing to do.
#11 5.995 # Run eval $(opam env) to update the current shell environment
#11 DONE 6.0s

#12 [6/7] RUN opam install -y opam-depext
#12 6.157 The following actions will be performed:
#12 6.157   - install opam-depext 1.2.3
#12 6.157 
#12 6.157 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 6.281 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#12 9.747 -> installed opam-depext.1.2.3
#12 9.758 Done.
#12 9.759 
#12 9.759 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#12 9.759 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#12 9.759 # Run eval $(opam env) to update the current shell environment
#12 DONE 11.0s

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

#14 exporting to image
#14 exporting layers
#14 exporting layers 1.9s done
#14 writing image sha256:3650b90e4cdde3f97b4e23abcfebf97d82e2240dd7ce8434d3bc97fd0e34ab12 done
#14 DONE 1.9s

 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 "sha256:3650b90e4cdde3f97b4e23abcfebf97d82e2240dd7ce8434d3bc97fd0e34ab12" to "ocurrent/opam-staging:fedora-43-ocaml-5.5-beta1-arm64" as user "ocurrentbuilder"
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Job succeeded
2026-06-06 09:47.54: Job succeeded