[INFO] cloning repository https://github.com/monadplus/kafka_in_action
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/monadplus/kafka_in_action" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonadplus%2Fkafka_in_action", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonadplus%2Fkafka_in_action'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a96fa867fd0efe11701263d0527b72bd3d35c18
[INFO] documenting monadplus/kafka_in_action against beta-2026-04-21 for beta-1.96-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmonadplus%2Fkafka_in_action" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/monadplus/kafka_in_action
[INFO] finished tweaking git repo https://github.com/monadplus/kafka_in_action
[INFO] tweaked toml for git repo https://github.com/monadplus/kafka_in_action written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/monadplus/kafka_in_action on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/monadplus/kafka_in_action 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5121037782cc684112d65f0e3583b6303d5d1069763f56328e05eda27b416932
[INFO] running `Command { std: "docker" "start" "-a" "5121037782cc684112d65f0e3583b6303d5d1069763f56328e05eda27b416932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5121037782cc684112d65f0e3583b6303d5d1069763f56328e05eda27b416932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5121037782cc684112d65f0e3583b6303d5d1069763f56328e05eda27b416932", kill_on_drop: false }`
[INFO] [stdout] 5121037782cc684112d65f0e3583b6303d5d1069763f56328e05eda27b416932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfb35721a8c4b2c3b3d458d9b84db105348c85f8683c037ccc4e89fd0d0a039a
[INFO] running `Command { std: "docker" "start" "-a" "cfb35721a8c4b2c3b3d458d9b84db105348c85f8683c037ccc4e89fd0d0a039a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rustversion v1.0.9
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]    Compiling serde_json v1.0.88
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking os_str_bytes v6.4.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling rdkafka-sys v4.3.0+1.9.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.7.0
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.37
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling tracing-attributes v0.1.23
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking clap v4.0.26
[INFO] [stderr]     Checking tracing-subscriber v0.3.16
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling proc-macro-crate v1.2.1
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]     Checking num_enum v0.5.7
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Checking rdkafka v0.29.0
[INFO] [stderr]  Documenting kafka_in_action v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.56s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/kafka_in_action/index.html
[INFO] running `Command { std: "docker" "inspect" "cfb35721a8c4b2c3b3d458d9b84db105348c85f8683c037ccc4e89fd0d0a039a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb35721a8c4b2c3b3d458d9b84db105348c85f8683c037ccc4e89fd0d0a039a", kill_on_drop: false }`
[INFO] [stdout] cfb35721a8c4b2c3b3d458d9b84db105348c85f8683c037ccc4e89fd0d0a039a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c99602d273a8b58835b1d687274e41b85c87a29ea7a48e519d1d6db37d454be7
[INFO] running `Command { std: "docker" "start" "-a" "c99602d273a8b58835b1d687274e41b85c87a29ea7a48e519d1d6db37d454be7", kill_on_drop: false }`
[INFO] [stderr]  Documenting kafka_in_action v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/kafka_in_action/index.html
[INFO] running `Command { std: "docker" "inspect" "c99602d273a8b58835b1d687274e41b85c87a29ea7a48e519d1d6db37d454be7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99602d273a8b58835b1d687274e41b85c87a29ea7a48e519d1d6db37d454be7", kill_on_drop: false }`
[INFO] [stdout] c99602d273a8b58835b1d687274e41b85c87a29ea7a48e519d1d6db37d454be7