2026-03-16 10:12.47: New job: Build using linux-arm64 in
                                []
2026-03-16 10:12.47: Will push staging image to ocurrent/opam-staging:alpine-3.23-ocaml-4.12-arm64

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:22580872ccbb0b5af2781571495d75b36250f163cfbb4d28aa4a96332cc8d7f5
RUN opam repo add ocaml-patches-overlay git+https://github.com/ocurrent/opam-repository#patches --set-default
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 4.12 --packages=ocaml-base-compiler.4.12.1
RUN opam pin add -k version ocaml-base-compiler 4.12.1
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-03-16 10:12.47: Using cache hint "4.12.1-arm64-ocurrent/opam-staging@sha256:22580872ccbb0b5af2781571495d75b36250f163cfbb4d28aa4a96332cc8d7f5"
2026-03-16 10:12.47: Waiting for resource in pool OCluster
2026-03-16 11:04.49: Waiting for worker…
2026-03-16 11:05.12: 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: 614B done
#1 DONE 0.1s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.4s

#3 docker-image://docker.io/docker/dockerfile:1@sha256:b6afd42430b15f2d2a4c5a02b919e98a525b785b1aaff16747d2f623364e39b6
#3 CACHED

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:22580872ccbb0b5af2781571495d75b36250f163cfbb4d28aa4a96332cc8d7f5
#4 DONE 0.0s

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

#6 [1/6] FROM docker.io/ocurrent/opam-staging@sha256:22580872ccbb0b5af2781571495d75b36250f163cfbb4d28aa4a96332cc8d7f5
#6 resolve docker.io/ocurrent/opam-staging@sha256:22580872ccbb0b5af2781571495d75b36250f163cfbb4d28aa4a96332cc8d7f5 0.6s done
#6 DONE 0.8s

#7 [2/6] RUN opam repo add ocaml-patches-overlay git+https://github.com/ocurrent/opam-repository#patches --set-default
#7 44.54 [ocaml-patches-overlay] Initialised
#7 44.54 ocaml-patches-overlay (at git+https://github.com/ocurrent/opam-repository#patches): 
#7 44.54     [INFO] opam 2.1 and 2.2 include many performance and security improvements over 2.0; please consider upgrading (https://opam.ocaml.org/doc/Install.html)
#7 44.54 
#7 DONE 44.9s

#8 [internal] load build context
#8 transferring context: 614B done
#8 DONE 0.1s

#9 [3/6] RUN opam switch create 4.12 --packages=ocaml-base-compiler.4.12.1
#9 3.573 
#9 3.573 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#9 3.718 [ocaml-config.2/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache
#9 3.786 [ocaml-config.2/ocaml-config.install] downloaded from https://opam.ocaml.org/cache
#9 4.259 [ocaml-base-compiler.4.12.1] downloaded from cache at https://opam.ocaml.org/cache
#9 4.988 [ocaml-base-compiler.4.12.1/alt-signal-stack.patch] downloaded from https://opam.ocaml.org/cache
#9 5.351 [ocaml-base-compiler.4.12.1/fix-gcc15.patch] downloaded from https://github.com/ocaml-opam/ocaml/commit/e3475db577092f399536dec66f0e54562ca2b1d9.patch?full_index=1
#9 5.495 [ocaml-base-compiler.4.12.1/ocaml-base-compiler.install] downloaded from https://opam.ocaml.org/cache
#9 5.495 
#9 5.495 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#9 5.782 -> installed base-bigarray.base
#9 5.789 -> installed base-threads.base
#9 5.791 -> installed base-unix.base
#9 5.792 -> installed ocaml-options-vanilla.1
#9 94.33 -> installed ocaml-base-compiler.4.12.1
#9 94.40 -> installed ocaml-config.2
#9 94.50 -> installed ocaml.4.12.1
#9 94.89 Done.
#9 94.89 # Run eval $(opam env) to update the current shell environment
#9 DONE 95.3s

#10 [4/6] RUN opam pin add -k version ocaml-base-compiler 4.12.1
#10 0.541 ocaml-base-compiler is now pinned to version 4.12.1
#10 0.541 
#10 3.790 No package build needed.
#10 3.790 Nothing to do.
#10 3.793 # Run eval $(opam env) to update the current shell environment
#10 DONE 3.9s

#11 [5/6] RUN opam install -y opam-depext
#11 4.187 The following actions will be performed:
#11 4.187   - install opam-depext 1.2.3
#11 4.187 
#11 4.187 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 4.315 [opam-depext.1.2.3] downloaded from cache at https://opam.ocaml.org/cache
#11 4.342 
#11 4.342 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#11 6.690 -> installed opam-depext.1.2.3
#11 6.701 Done.
#11 6.708 # Run eval $(opam env) to update the current shell environment
#11 DONE 6.9s

#12 [6/6] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#12 DONE 0.1s

#13 exporting to image
#13 exporting layers
#13 exporting layers 2.4s done
#13 writing image sha256:ed557f8225364522f43baa5d064bc490e006b813c46d2586b11e97f22e994d9e done
#13 DONE 2.4s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 10)
Pushing "sha256:ed557f8225364522f43baa5d064bc490e006b813c46d2586b11e97f22e994d9e" to "ocurrent/opam-staging:alpine-3.23-ocaml-4.12-arm64" as user "ocurrentbuilder"
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alpine-3.23-ocaml-4.12-arm64: digest: sha256:b23f0ef14c3a96d9e221823da8f9942b3dc05e5abe927dcade189285c52b89d6 size: 9086
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alpine-3.23-ocaml-4.12-arm64: digest: sha256:b23f0ef14c3a96d9e221823da8f9942b3dc05e5abe927dcade189285c52b89d6 size: 9086
Job succeeded
2026-03-16 11:13.02: Job succeeded