2026-03-07 10:28.21: New job: Build using linux-s390x in
                                []
2026-03-07 10:28.21: Will push staging image to ocurrent/opam-staging:ubuntu-22.04-ocaml-4.11-s390x

Dockerfile:

# syntax=docker/dockerfile:1

FROM ocurrent/opam-staging@sha256:0d4c683f8cb00452a4b94d384219a57b5292bd6027ab4f2c9e3c5d778d2c2849
ENV OPAMYES="1" OPAMCONFIRMLEVEL="unsafe-yes" OPAMERRLOGLEN="0" OPAMPRECISETRACKING="1"
RUN opam switch create 4.11 --packages=ocaml-base-compiler.4.11.2
RUN opam pin add -k version ocaml-base-compiler 4.11.2
RUN opam install -y opam-depext
ENTRYPOINT [ "opam", "exec", "--" ]
CMD bash
COPY --link [ "Dockerfile", "/Dockerfile.ocaml" ]


2026-03-07 10:28.21: Using cache hint "4.11.2-s390x-ocurrent/opam-staging@sha256:0d4c683f8cb00452a4b94d384219a57b5292bd6027ab4f2c9e3c5d778d2c2849"
2026-03-07 10:28.21: Waiting for resource in pool OCluster
2026-03-07 11:43.39: Waiting for worker…
2026-03-07 11:48.41: 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 0.1s done
#1 DONE 0.3s

#2 resolve image config for docker-image://docker.io/docker/dockerfile:1
#2 DONE 0.2s

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

#4 [internal] load metadata for docker.io/ocurrent/opam-staging@sha256:0d4c683f8cb00452a4b94d384219a57b5292bd6027ab4f2c9e3c5d778d2c2849
#4 DONE 0.0s

#5 [internal] load .dockerignore
#5 transferring context:
#5 transferring context: 2B done
#5 DONE 0.3s

#6 [1/5] FROM docker.io/ocurrent/opam-staging@sha256:0d4c683f8cb00452a4b94d384219a57b5292bd6027ab4f2c9e3c5d778d2c2849
#6 resolve docker.io/ocurrent/opam-staging@sha256:0d4c683f8cb00452a4b94d384219a57b5292bd6027ab4f2c9e3c5d778d2c2849 0.5s done
#6 DONE 3.8s

#7 [internal] load build context
#7 transferring context: 504B 0.0s done
#7 DONE 0.4s

#8 [2/5] RUN opam switch create 4.11 --packages=ocaml-base-compiler.4.11.2
#8 4.685 
#8 4.685 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#8 5.170 [ocaml-config.1/gen_ocaml_config.ml.in] downloaded from https://opam.ocaml.org/cache
#8 5.770 [ocaml-config.1/ocaml-config.install] downloaded from https://opam.ocaml.org/cache
#8 6.386 [ocaml-base-compiler.4.11.2] downloaded from cache at https://opam.ocaml.org/cache
#8 7.371 [ocaml-base-compiler.4.11.2/alt-signal-stack.patch] downloaded from https://opam.ocaml.org/cache
#8 7.790 [ocaml-base-compiler.4.11.2/ocaml-base-compiler.install] downloaded from https://opam.ocaml.org/cache
#8 7.790 
#8 7.790 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#8 8.052 -> installed base-bigarray.base
#8 8.053 -> installed base-threads.base
#8 8.080 -> installed base-unix.base
#8 208.7 -> installed ocaml-base-compiler.4.11.2
#8 208.8 -> installed ocaml-config.1
#8 208.9 -> installed ocaml.4.11.2
#8 209.2 Done.
#8 209.2 # Run eval $(opam env) to update the current shell environment
#8 DONE 235.0s

#9 [3/5] RUN opam pin add -k version ocaml-base-compiler 4.11.2
#9 1.791 ocaml-base-compiler is now pinned to version 4.11.2
#9 1.791 
#9 5.277 No package build needed.
#9 5.277 Nothing to do.
#9 5.277 # Run eval $(opam env) to update the current shell environment
#9 DONE 13.3s

#10 [4/5] RUN opam install -y opam-depext
#10 4.654 The following actions will be performed:
#10 4.654   - install opam-depext 1.2.3
#10 4.654 
#10 4.654 <><> Gathering sources ><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 5.415 [opam-depext.1.2.3] downloaded from cache at https://opam.ocaml.org/cache
#10 5.595 
#10 5.595 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
#10 8.040 -> installed opam-depext.1.2.3
#10 8.064 Done.
#10 8.064 # Run eval $(opam env) to update the current shell environment
#10 DONE 26.9s

#11 [5/5] COPY --link [ Dockerfile, /Dockerfile.ocaml ]
#11 DONE 0.1s

#12 exporting to image
#12 exporting layers
#12 exporting layers 1.6s done
#12 writing image sha256:a4592339bd31326c65ed48e043358ef64b950b851ee4d94ebd0ee26f5586321b
#12 writing image sha256:a4592339bd31326c65ed48e043358ef64b950b851ee4d94ebd0ee26f5586321b 0.0s done
#12 DONE 1.7s

 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:a4592339bd31326c65ed48e043358ef64b950b851ee4d94ebd0ee26f5586321b" to "ocurrent/opam-staging:ubuntu-22.04-ocaml-4.11-s390x" as user "ocurrentbuilder"
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Job succeeded
2026-03-07 11:53.57: Job succeeded