2026-06-06 07:04.28: New job: Build using linux-arm64 in
                                []
2026-06-06 07:04.28: Will push staging image to ocurrent/opam-staging:debian-13-ocaml-5.4-flambda-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
USER root
RUN apt-get -y update
RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
USER opam
RUN opam switch create 5.4 --packages=ocaml-variants.5.4.1+options,ocaml-options-only-flambda
RUN opam pin add -k version ocaml-variants 5.4.1+options
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-06-06 07:04.28: Using cache hint "5.4.1+flambda-arm64-ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c"
2026-06-06 10:42.55: Waiting for worker…
2026-06-06 10:42.55: 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: 696B done
#1 DONE 0.0s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.6s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c
#4 DONE 0.5s

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

#6 [1/8] FROM docker.io/ocurrent/opam-staging@sha256:1db87943f0cab33eb9db868955f5e4ffa1c8159a7116243d5ecc72604a634f5c
#6 DONE 0.0s

#7 [2/8] RUN apt-get -y update
#7 CACHED

#8 [3/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y upgrade
#8 CACHED

#9 [4/8] RUN DEBIAN_FRONTEND=noninteractive apt-get -y install libzstd-dev
#9 CACHED

#10 [internal] load build context
#10 transferring context: 696B done
#10 DONE 0.0s

#11 [5/8] RUN opam switch create 5.4 --packages=ocaml-variants.5.4.1+options,ocaml-options-only-flambda
#11 0.575 
#11 0.575 <><> Installing new switch packages <><><><><><><><><><><><><><><><><><><><><><>
#11 0.575 Switch invariant: ["ocaml-variants" {= "5.4.1+options"} "ocaml-options-only-flambda"]
#11 6.499 
#11 6.499 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 9.137 -> installed base-bigarray.base
#11 9.138 -> installed base-threads.base
#11 9.150 -> installed base-unix.base
#11 9.151 -> installed ocaml-option-flambda.1
#11 9.151 -> installed ocaml-options-only-flambda.1
#11 9.308 -> retrieved ocaml-config.3  (2 extra sources)
#11 9.954 -> retrieved ocaml-compiler.5.4.1  (https://opam.ocaml.org/cache)
#11 158.9 -> installed ocaml-compiler.5.4.1
#11 158.9 -> installed ocaml-variants.5.4.1+options
#11 158.9 -> installed ocaml-config.3
#11 159.0 -> installed ocaml.5.4.1
#11 159.0 -> installed base-domains.base
#11 159.0 -> installed base-effects.base
#11 159.0 -> installed base-nnp.base
#11 159.4 Done.
#11 159.4 # Run eval $(opam env --switch=5.4) to update the current shell environment
#11 DONE 160.9s

#12 [6/8] RUN opam pin add -k version ocaml-variants 5.4.1+options
#12 0.560 ocaml-variants is now pinned to version 5.4.1+options
#12 0.560 
#12 6.545 No package build needed.
#12 6.545 Nothing to do.
#12 6.545 # Run eval $(opam env) to update the current shell environment
#12 DONE 6.6s

#13 [7/8] RUN opam install -y opam-depext
#13 6.959 The following actions will be performed:
#13 6.959   - install opam-depext 1.2.3
#13 6.959 
#13 6.959 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#13 7.215 -> retrieved opam-depext.1.2.3  (https://opam.ocaml.org/cache)
#13 10.53 -> installed opam-depext.1.2.3
#13 10.53 Done.
#13 10.53 
#13 10.53 <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
#13 10.53 => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
#13 10.53 # Run eval $(opam env) to update the current shell environment
#13 DONE 11.8s

#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:a5b917610494c5e15ddfc32f26859ef48f26ed8d54dba25f3355b9f5ca3bd30d 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:a5b917610494c5e15ddfc32f26859ef48f26ed8d54dba25f3355b9f5ca3bd30d" to "ocurrent/opam-staging:debian-13-ocaml-5.4-flambda-arm64" as user "ocurrentbuilder"
Login Succeeded
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Job succeeded
2026-06-06 10:46.54: Job succeeded