2026-05-17 20:21.39: New job: Build using linux-arm64 in
                                []
2026-05-17 20:21.39: Will push staging image to ocurrent/opam-staging:fedora-44-ocaml-5.5-beta1-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:8db2593bd56648c0bbe75982ceb5e3dfa9f4492da59544dda7741163a4ca23c6
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" ]


2026-05-17 20:21.39: Using cache hint "5.5.0~beta1-arm64-ocurrent/opam-staging@sha256:8db2593bd56648c0bbe75982ceb5e3dfa9f4492da59544dda7741163a4ca23c6"
2026-05-17 20:37.08: Waiting for worker…
2026-05-17 20:37.08: 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: 673B done
#1 DONE 0.1s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 1.4s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:2780b5c3bab67f1f76c781860de469442999ed1a0d7992a5efdf2cffc0e3d769
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:8db2593bd56648c0bbe75982ceb5e3dfa9f4492da59544dda7741163a4ca23c6
#4 DONE 0.6s

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

#6 [1/7] FROM docker.io/ocurrent/opam-staging@sha256:8db2593bd56648c0bbe75982ceb5e3dfa9f4492da59544dda7741163a4ca23c6
#6 CACHED

#7 [internal] load build context
#7 transferring context: 673B done
#7 DONE 0.1s

#8 [2/7] RUN opam repo add beta git+https://github.com/ocaml/ocaml-beta-repository --set-default
#8 1.228 [beta] Initialised
#8 DONE 1.5s

#9 [3/7] RUN yum install -y zstd && yum clean packages
#9 0.254 Updating and loading repositories:
#9 0.708 Repositories loaded.
#9 0.875 Package "zstd-1.5.7-5.fc44.aarch64" is already installed.
#9 0.875 
#9 0.876 Nothing to do.
#9 0.922 Removed 0 files, 0 directories (total of 0 B). 0 errors occurred.
#9 DONE 0.9s

#10 [4/7] RUN opam switch create 5.5~beta1 --packages=ocaml-base-compiler.5.5.0~beta1
#10 0.619 
#10 0.619 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#10 0.620 Switch invariant: ["ocaml-base-compiler" {= "5.5.0~beta1"}]
#10 5.991 
#10 5.991 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 8.268 -> installed base-bigarray.base
#10 8.271 -> installed base-threads.base
#10 8.273 -> installed base-unix.base
#10 8.274 -> installed compiler-cloning.enabled
#10 8.275 -> installed ocaml-options-vanilla.1
#10 8.283 -> retrieved ocaml.5.5.0  (https://opam.ocaml.org/cache)
#10 8.752 -> retrieved ocaml-compiler.5.5.0~beta1  (https://opam.ocaml.org/cache)
#10 123.4 -> installed ocaml-compiler.5.5.0~beta1
#10 123.4 -> installed ocaml-base-compiler.5.5.0~beta1
#10 123.5 -> installed ocaml.5.5.0
#10 123.5 -> installed base-domains.base
#10 123.5 -> installed base-effects.base
#10 123.5 -> installed base-nnp.base
#10 123.8 Done.
#10 123.8 
#10 123.8 <><> ocaml-compiler.5.5.0~beta1 installed successfully ><><><><><><><><><><><><>
#10 123.8 => This switch had to be compiled from sources, but future switches with the 🐌
#10 123.8    same compiler version and configuration should assemble instantly.
#10 123.8 # Run eval $(opam env --switch=5.5~beta1) to update the current shell environment
#10 DONE 125.3s

#11 [5/7] RUN opam pin add -k version ocaml-base-compiler 5.5.0~beta1
#11 0.567 ocaml-base-compiler is now pinned to version 5.5.0~beta1
#11 0.567 
#11 5.837 Already up-to-date.
#11 5.837 Nothing to do.
#11 5.838 # Run eval $(opam env) to update the current shell environment
#11 DONE 5.9s

#12 [6/7] RUN opam install -y opam-depext
#12 5.947 The following actions will be performed:
#12 5.947   - install opam-depext 1.2.3
#12 5.947 
#12 5.947 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#12 6.184 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#12 9.287 -> installed opam-depext.1.2.3
#12 9.302 Done.
#12 9.302 
#12 9.302 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#12 9.302 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#12 9.302 # Run eval $(opam env) to update the current shell environment
#12 DONE 10.5s

#13 [7/7] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#13 DONE 0.1s

#14 exporting to image
#14 exporting layers
#14 exporting layers 1.9s done
#14 writing image sha256:c1d13a791ca22ecfe41287be3bc3a80b864df8407d53f72ae0a3e1397a15f38b 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:c1d13a791ca22ecfe41287be3bc3a80b864df8407d53f72ae0a3e1397a15f38b" to "ocurrent/opam-staging:fedora-44-ocaml-5.5-beta1-arm64" as user "ocurrentbuilder"
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Job succeeded
2026-05-17 20:40.37: Job succeeded