[INFO] cloning repository https://github.com/MarcoPolo/proto2and3-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcoPolo/proto2and3-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoPolo%2Fproto2and3-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoPolo%2Fproto2and3-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39abc64e7b4435592e774fdfc5d73b3c87f8475d
[INFO] documenting MarcoPolo/proto2and3-playground against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoPolo%2Fproto2and3-playground" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcoPolo/proto2and3-playground on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcoPolo/proto2and3-playground
[INFO] finished tweaking git repo https://github.com/MarcoPolo/proto2and3-playground
[INFO] tweaked toml for git repo https://github.com/MarcoPolo/proto2and3-playground written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcoPolo/proto2and3-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prost-build v0.11.1
[INFO] [stderr]   Downloaded prost-types v0.11.1
[INFO] [stderr]   Downloaded prost-derive v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89f52b2582628cf2b9abf6253c5c4a1a62d633ef2dc879ca842d79802209ff01
[INFO] running `Command { std: "docker" "start" "-a" "89f52b2582628cf2b9abf6253c5c4a1a62d633ef2dc879ca842d79802209ff01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89f52b2582628cf2b9abf6253c5c4a1a62d633ef2dc879ca842d79802209ff01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f52b2582628cf2b9abf6253c5c4a1a62d633ef2dc879ca842d79802209ff01", kill_on_drop: false }`
[INFO] [stdout] 89f52b2582628cf2b9abf6253c5c4a1a62d633ef2dc879ca842d79802209ff01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 326250b6d70958a0e187af7bf2003277ecdc882f10b4f7570c4cc14eb70d7831
[INFO] running `Command { std: "docker" "start" "-a" "326250b6d70958a0e187af7bf2003277ecdc882f10b4f7570c4cc14eb70d7831", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling prost-derive v0.11.0
[INFO] [stderr]    Compiling prost v0.11.0
[INFO] [stderr]    Compiling prost-types v0.11.1
[INFO] [stderr]    Compiling prost-build v0.11.1
[INFO] [stderr]    Compiling proto2and3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `proto2and3 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/proto2and3-c31be1fe4b89a835/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Running: "/usr/bin/protoc" "--include_imports" "--include_source_info" "-o" "/tmp/prost-buildTRjZ0M/prost-descriptor-set" "-I" "src/" "src/example3.proto"
[INFO] [stderr]   Running: "/usr/bin/protoc" "--include_imports" "--include_source_info" "-o" "/tmp/prost-buildxFoI4v/prost-descriptor-set" "-I" "src/" "src/example2.proto"
[INFO] [stderr]   Running: "/usr/bin/protoc" "--include_imports" "--include_source_info" "-o" "/tmp/prost-builddoS479/prost-descriptor-set" "-I" "src/" "src/example3optional.proto"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Custom { kind: Other, error: "protoc failed: example3optional.proto: This file contains proto3 optional fields, but --experimental_allow_proto3_optional was not set.\n" }
[INFO] running `Command { std: "docker" "inspect" "326250b6d70958a0e187af7bf2003277ecdc882f10b4f7570c4cc14eb70d7831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326250b6d70958a0e187af7bf2003277ecdc882f10b4f7570c4cc14eb70d7831", kill_on_drop: false }`
[INFO] [stdout] 326250b6d70958a0e187af7bf2003277ecdc882f10b4f7570c4cc14eb70d7831
[INFO] documenting MarcoPolo/proto2and3-playground against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoPolo%2Fproto2and3-playground" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcoPolo/proto2and3-playground on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcoPolo/proto2and3-playground
[INFO] finished tweaking git repo https://github.com/MarcoPolo/proto2and3-playground
[INFO] tweaked toml for git repo https://github.com/MarcoPolo/proto2and3-playground written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcoPolo/proto2and3-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3cb079bc5d91acc425a3e81f663d758c83fdfa2abc09b31c188bd0f11dd5b375
[INFO] running `Command { std: "docker" "start" "-a" "3cb079bc5d91acc425a3e81f663d758c83fdfa2abc09b31c188bd0f11dd5b375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3cb079bc5d91acc425a3e81f663d758c83fdfa2abc09b31c188bd0f11dd5b375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb079bc5d91acc425a3e81f663d758c83fdfa2abc09b31c188bd0f11dd5b375", kill_on_drop: false }`
[INFO] [stdout] 3cb079bc5d91acc425a3e81f663d758c83fdfa2abc09b31c188bd0f11dd5b375
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3c0a001f37aed215c999932195d60f64f16c95cce8d0e4de40d675185147261
[INFO] running `Command { std: "docker" "start" "-a" "f3c0a001f37aed215c999932195d60f64f16c95cce8d0e4de40d675185147261", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling petgraph v0.6.2
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling prost-derive v0.11.0
[INFO] [stderr]    Compiling prost v0.11.0
[INFO] [stderr]     Checking prost-types v0.11.1
[INFO] [stderr]    Compiling prost-build v0.11.1
[INFO] [stderr]    Compiling proto2and3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `proto2and3 v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/proto2and3-6011deac64de799a/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Running: "/usr/bin/protoc" "--include_imports" "--include_source_info" "-o" "/tmp/prost-buildBFIFHB/prost-descriptor-set" "-I" "src/" "src/example3.proto"
[INFO] [stderr]   Running: "/usr/bin/protoc" "--include_imports" "--include_source_info" "-o" "/tmp/prost-build4Jyztr/prost-descriptor-set" "-I" "src/" "src/example2.proto"
[INFO] [stderr]   Running: "/usr/bin/protoc" "--include_imports" "--include_source_info" "-o" "/tmp/prost-builda3ItcH/prost-descriptor-set" "-I" "src/" "src/example3optional.proto"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Custom { kind: Other, error: "protoc failed: example3optional.proto: This file contains proto3 optional fields, but --experimental_allow_proto3_optional was not set.\n" }
[INFO] running `Command { std: "docker" "inspect" "f3c0a001f37aed215c999932195d60f64f16c95cce8d0e4de40d675185147261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c0a001f37aed215c999932195d60f64f16c95cce8d0e4de40d675185147261", kill_on_drop: false }`
[INFO] [stdout] f3c0a001f37aed215c999932195d60f64f16c95cce8d0e4de40d675185147261
