2026-09-11 15:35.49: New job: Build Dockerfile.web using linux-x86_64 in
                                [https://github.com/ocurrent/ocaml-ci.git#refs/heads/live-www (3d52a1fbf1f64cc950e43f1c70288f57be570817)]
2026-09-11 15:35.49: Using cache hint "https://github.com/ocurrent/ocaml-ci.git-Dockerfile.web"
2026-09-11 15:35.49: Connecting to build cluster…
2026-09-11 15:35.49: Waiting for resource in pool OCluster
2026-09-11 15:35.49: Waiting for worker…
2026-09-11 15:35.49: Got resource from pool OCluster
Building on doris.caelum.ci.dev
HEAD is now at 9ec128e web: don't let the error template clobber the PoW interstitial
HEAD is now at 3d52a1f web: flush the initial log chunk before waiting for more
#0 building with "default" instance using docker driver

#1 [internal] load build definition from Dockerfile.web
#1 transferring dockerfile: 2.16kB 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:ecfaec9ed6d810b56388c508f4121597bfbba70d41a6dfeee4d8cad5f295fc32
#3 resolve docker.io/docker/dockerfile:1@sha256:ecfaec9ed6d810b56388c508f4121597bfbba70d41a6dfeee4d8cad5f295fc32 0.0s done
#3 CACHED

#4 [internal] load metadata for docker.io/library/debian:13
#4 ...

#5 [internal] load metadata for docker.io/ocaml/opam:debian-13-ocaml-4.14
#5 DONE 0.7s

#4 [internal] load metadata for docker.io/library/debian:13
#4 DONE 0.8s

#6 [internal] load .dockerignore
#6 transferring context:
#6 transferring context: 114B done
#6 DONE 0.3s

#7 [stage-1 1/9] FROM docker.io/library/debian:13@sha256:f324c7ff54321e8d9c588493a20244965938ce0aa50bbd1022d38010e9ffc4b1
#7 resolve docker.io/library/debian:13@sha256:f324c7ff54321e8d9c588493a20244965938ce0aa50bbd1022d38010e9ffc4b1 0.0s done
#7 DONE 0.0s

#8 [internal] setting cache mount permissions
#8 DONE 0.1s

#9 [internal] load build context
#9 transferring context: 9.07MB 0.1s done
#9 DONE 0.2s

#10 [build  1/11] FROM docker.io/ocaml/opam:debian-13-ocaml-4.14@sha256:c192589e3022eb3960fac80bcea67bac5236053ef98df009549e945c1c3975b7
#10 resolve docker.io/ocaml/opam:debian-13-ocaml-4.14@sha256:c192589e3022eb3960fac80bcea67bac5236053ef98df009549e945c1c3975b7 0.0s done
#10 CANCELED

#11 [stage-1 2/9] RUN rm -f /etc/apt/apt.conf.d/docker-clean; echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/keep-cache
#11 DONE 0.3s
Dockerfile.web:18
--------------------
  16 |     RUN cd ~/opam-repository && git fetch -q origin master && git reset --hard ceed23f9d33677f323a62325ad42599d14f46b98 && opam update
  17 |     RUN opam option --global solver=builtin-0install
  18 | >>> COPY --chown=opam --link ocaml-ci-api.opam ocaml-ci-web.opam ocaml-ci.opam /src/
  19 |     WORKDIR /src
  20 |     RUN --mount=type=cache,target=/home/opam/.opam/download-cache,sharing=locked,uid=1000,gid=1000 \
--------------------
ERROR: failed to build: failed to solve: invalid user index: -1
docker-build failed with exit-code 1
2026-09-11 15:36.07: Job failed: Failed: Build failed