2026-03-07 10:28.38: New job: Build using linux-s390x in
                                []
2026-03-07 10:28.38: Will push staging image to ocurrent/opam-staging:ubuntu-24.04-ocaml-4.12-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:89ba72a3fa77e57e87f7474806a837bdbf50002706267213fb8110481c472719
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" ]


2026-03-07 10:28.38: Using cache hint "4.12.1-s390x-ocurrent/opam-staging@sha256:89ba72a3fa77e57e87f7474806a837bdbf50002706267213fb8110481c472719"
2026-03-07 10:28.38: Waiting for resource in pool OCluster
2026-03-07 12:38.24: Waiting for worker…
2026-03-07 12:42.22: Got resource from pool OCluster
Building on s390x-worker-01.marist.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:
#1 transferring dockerfile: 504B 0.0s done
#1 DONE 0.2s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.1s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:89ba72a3fa77e57e87f7474806a837bdbf50002706267213fb8110481c472719
#4 DONE 0.0s

#5 [internal] load .dockerignore
#5 transferring context: 2B done
#5 DONE 0.1s

#6 [1/5] FROM docker.io/ocurrent/opam-staging@sha256:89ba72a3fa77e57e87f7474806a837bdbf50002706267213fb8110481c472719
#6 CACHED

#7 [internal] load build context
#7 transferring context: 504B done
#7 DONE 0.2s

#8 [2/5] RUN opam switch create 4.12 --packages=ocaml-base-compiler.4.12.1
#8 3.788 
#8 3.788 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#8 4.086 [ocaml-config.2/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache
#8 4.436 [ocaml-config.2/ocaml-config.install] downloaded from https://opam.ocaml.org/cache
#8 5.037 [ocaml-base-compiler.4.12.1] downloaded from cache at https://opam.ocaml.org/cache
#8 5.707 [ocaml-base-compiler.4.12.1/alt-signal-stack.patch] downloaded from https://opam.ocaml.org/cache
#8 6.006 [ocaml-base-compiler.4.12.1/ocaml-base-compiler.install] downloaded from https://opam.ocaml.org/cache
#8 6.050 
#8 6.050 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#8 6.264 -> installed base-bigarray.base
#8 6.264 -> installed base-threads.base
#8 6.265 -> installed base-unix.base
#8 6.282 -> installed ocaml-options-vanilla.1
#8 163.6 -> installed ocaml-base-compiler.4.12.1
#8 163.6 -> installed ocaml-config.2
#8 163.7 -> installed ocaml.4.12.1
#8 164.1 Done.
#8 164.1 # Run eval $(opam env) to update the current shell environment
#8 DONE 176.0s

#9 [3/5] RUN opam pin add -k version ocaml-base-compiler 4.12.1
#9 0.979 ocaml-base-compiler is now pinned to version 4.12.1
#9 0.979 
#9 4.234 No package build needed.
#9 4.234 Nothing to do.
#9 4.235 # Run eval $(opam env) to update the current shell environment
#9 DONE 7.3s

#10 [4/5] RUN opam install -y opam-depext
#10 4.515 The following actions will be performed:
#10 4.515   - install opam-depext 1.2.3
#10 4.515 
#10 4.515 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 5.215 [opam-depext.1.2.3] downloaded from cache at https://opam.ocaml.org/cache
#10 5.274 
#10 5.274 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 7.174 -> installed opam-depext.1.2.3
#10 7.511 Done.
#10 7.511 # Run eval $(opam env) to update the current shell environment
#10 DONE 7.8s

#11 [5/5] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#11 DONE 0.4s

#12 exporting to image
#12 exporting layers
#12 exporting layers 3.0s done
#12 writing image sha256:634a4efce187b599acf1ade14b4fb7eece94f0153064e66faa96cfa350ad0769 done
#12 DONE 3.0s

 1 warning found (use docker --debug to expand):
 - JSONArgsRecommended: JSON arguments recommended for CMD to prevent unintended behavior related to OS signals (line 9)
Pushing "sha256:634a4efce187b599acf1ade14b4fb7eece94f0153064e66faa96cfa350ad0769" to "ocurrent/opam-staging:ubuntu-24.04-ocaml-4.12-s390x" as user "ocurrentbuilder"
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ubuntu-24.04-ocaml-4.12-s390x: digest: sha256:b5143a5fc1cc2a0cc4b9ae85bb56fd61227dd7f4cd622f2cfca8f3151581df71 size: 9712
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Job succeeded
2026-03-07 12:46.18: Job succeeded