Mounting /etc/resolv.conf failed: no such file or directory

[kit-ty-kate]

2021-05-19 15:18.53 ---> saved as "85c1320ab1ae429fb0abc80fa220f00c2346bc50657edad3e8ddfea8ca32138e"

/: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
        (network host)
        (shell  "opam remove -y bimage-lwt.0.4.0 && opam depext -ivyt bimage-lwt.0.4.0;\
               \n        res=$?;\
               \n        test \"$res\" != 31 && exit \"$res\";\
               \n        export OPAMCLI=2.0;\
               \n        build_dir=$(opam var prefix)/.opam-switch/build;\
               \n        failed=$(ls \"$build_dir\");\
               \n        for pkg in $failed; do\
               \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"oraclelinux-8\\\"\"; then\
               \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
               \n          fi;\
               \n        done;\
               \n        exit 1"))
time="2021-05-19T15:18:54Z" level=warning msg="exit status 1"
time="2021-05-19T15:18:54Z" level=error msg="container_linux.go:370: starting container process caused: process_linux.go:459: container init caused: rootfs_linux.go:59: mounting \"/etc/resolv.conf\" to rootfs at \"/var/cache/obuilder/result-tmp/0618da6351c4c1c74e51dc3b4f66ea5abe472f23150a83f94eb992da863802e6/rootfs/etc/resolv.conf\" caused: no such file or directory"
"/bin/bash" "-c"
"opam remove -y bimage-lwt.0.4.0 && opam depext -ivyt bimage-lwt.0.4.0;
        res=$?;
        test "$res" != 31 && exit "$res";
        export OPAMCLI=2.0;
        build_dir=$(opam var prefix)/.opam-switch/build;
        failed=$(ls "$build_dir");
        for pkg in $failed; do
          if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"oraclelinux-8\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
        done;
        exit 1" failed with exit status 1
2021-05-19 15:19.21: Job failed: Failed: Build failed

Full log: https://opam.ci.ocaml.org/github/ocaml/opam-repository/commit/ec85e6548c1148414fca1d6e4f407d805e995776/variant/opam-2.0,distributions,oraclelinux-8,bimage-lwt.0.4.0,tests

[talex5]

Very odd. According to the logs, this has happened a few times, e.g.

x86-bm-10.ocamllabs.io : ./2021-05-18/115511-ci-ocluster-build-397cc5.log:time="2021-05-18T12:41:08Z" level=error msg="container_linux.go:370: starting container process caused: process_linux.go:459: container init caused: rootfs_linux.go:59: mounting \"/etc/resolv.conf\" to rootfs at \"/var/cache/obuilder/result-tmp/99d6e45f1a9c19040352ca54a2b330beb581baeea762c33bfd14b1fc529f1743/rootfs/etc/resolv.conf\" caused: no such file or directory"
x86-bm-6.ocamllabs.io  : ./2021-05-18/115540-ci-ocluster-build-e7244a.log:time="2021-05-18T18:13:40Z" level=error msg="container_linux.go:370: starting container process caused: process_linux.go:459: container init caused: rootfs_linux.go:59: mounting \"/etc/resolv.conf\" to rootfs at \"/var/cache/obuilder/result-tmp/074efebd0a66bc546ff8975b00cb53b88b7ad6910ee3ae3c033ff3fcde17580b/rootfs/etc/resolv.conf\" caused: no such file or directory"
x86-bm-7.ocamllabs.io  : ./2021-05-24/091057-ci-ocluster-build-242081.log:time="2021-05-24T09:15:25Z" level=error msg="container_linux.go:370: starting container process caused: process_linux.go:459: container init caused: rootfs_linux.go:59: mounting \"/etc/resolv.conf\" to rootfs at \"/var/cache/obuilder/result-tmp/87ca3d365af464bc84ff9c6988ba26c7344127c0f3a30d100745f00a98399b0f/rootfs/etc/resolv.conf\" caused: no such file or directory"
x86-bm-7.ocamllabs.io  : ./2021-05-24/174327-ci-ocluster-build-c2cd26.log:time="2021-05-24T18:30:19Z" level=error msg="container_linux.go:370: starting container process caused: process_linux.go:459: container init caused: rootfs_linux.go:59: mounting \"/etc/resolv.conf\" to rootfs at \"/var/cache/obuilder/result-tmp/69b99dd975b9ba10c89e0a785f30dd5caded51ace6cf0eeb1601d2ebca2e1120/rootfs/etc/resolv.conf\" caused: no such file or directory"
x86-bm-4.ocamllabs.io  : ./2021-05-26/144123-ci-ocluster-build-9ac277.log:time="2021-05-26T20:03:55+02:00" level=error msg="container_linux.go:370: starting container process caused: process_linux.go:459: container init caused: rootfs_linux.go:59: mounting \"/etc/resolv.conf\" to rootfs at \"/var/cache/obuilder/result-tmp/0203f4883069487f59561fb1c11e7f3be73e79276b91868f5f6cc45d301383d9/rootfs/etc/resolv.conf\" caused: no such file or directory"

[kit-ty-kate]

Happened again in https://opam.ci.ocaml.org/github/ocaml/opam-repository/commit/ebb0cc1c1acf35f67508af6fa82086e91ac89ff5/variant/opam-2.1,compilers,4.12,caqti.1.4.0,revdeps,ppx_rapper.2.0.0

[kit-ty-kate]

It happened again. It seems to be unique to the x86-bm-* machines so far: https://opam.ci.ocaml.org/github/ocaml/opam-repository/commit/1bba005b68d8441bdd86f1bffc220b8e6f623732/variant/opam-2.1,distributions,archlinux,h1_parser.0.0.2,tests

[samoht]

Another occurence in https://opam.ci.ocaml.org/github/ocaml/opam-repository/commit/f9b6838562de5a899902de01ea3351cdb4bf185f/variant/opam-2.0,distributions,ubuntu-18.04,irmin-chunk.2.7.0,tests

time="2021-06-23T20:07:12+02:00" level=error msg="container_linux.go:370: starting container process caused: process_linux.go:459: container init caused: rootfs_linux.go:59: mounting \"/etc/resolv.conf\" to rootfs at \"/var/cache/obuilder/result-tmp/a2708450d72d53b2c74e292c16fc938209e0b10d309ae5a8f833ce16963f3a70/rootfs/etc/resolv.conf\" caused: no such file or directory"