[INFO] cloning repository https://github.com/ducc/crdb-changefeed-publisher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ducc/crdb-changefeed-publisher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducc%2Fcrdb-changefeed-publisher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducc%2Fcrdb-changefeed-publisher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2ac687807b6b683829d688e8214f76489f3fff6
[INFO] documenting ducc/crdb-changefeed-publisher against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fducc%2Fcrdb-changefeed-publisher" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ducc/crdb-changefeed-publisher on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ducc/crdb-changefeed-publisher
[INFO] finished tweaking git repo https://github.com/ducc/crdb-changefeed-publisher
[INFO] tweaked toml for git repo https://github.com/ducc/crdb-changefeed-publisher written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ducc/crdb-changefeed-publisher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7213d173290354d41eb1193491b046ee9fcc384b3a08eafd9336c29bf42aaacd
[INFO] running `Command { std: "docker" "start" "-a" "7213d173290354d41eb1193491b046ee9fcc384b3a08eafd9336c29bf42aaacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7213d173290354d41eb1193491b046ee9fcc384b3a08eafd9336c29bf42aaacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7213d173290354d41eb1193491b046ee9fcc384b3a08eafd9336c29bf42aaacd", kill_on_drop: false }`
[INFO] [stdout] 7213d173290354d41eb1193491b046ee9fcc384b3a08eafd9336c29bf42aaacd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a88757a9462ffccc6c1e813d86bc8806490ed79031716fba334535de71a2ec1a
[INFO] running `Command { std: "docker" "start" "-a" "a88757a9462ffccc6c1e813d86bc8806490ed79031716fba334535de71a2ec1a", kill_on_drop: false }`
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[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]    Compiling sqlx-core v0.3.5
[INFO] [stderr]     Checking amq-protocol-types v6.0.0-rc12
[INFO] [stderr]     Checking tracing-subscriber v0.2.8
[INFO] [stderr]     Checking tokio-amqp v0.1.3
[INFO] [stderr]    Compiling sqlx-macros v0.3.5
[INFO] [stderr]     Checking warp v0.2.4
[INFO] [stderr]     Checking sqlx v0.3.5
[INFO] [stderr]  Documenting crdb-changefeed-publisher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `crdb-changefeed-publisher`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name crdb_changefeed_publisher src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-a2d56b8e5374b83d.so --extern clap=/opt/rustwide/target/debug/deps/libclap-c9b7f81d6b5d46fc.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-993e51fe2c46586f.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-74dc21e41178d37c.rmeta --extern futures_executor=/opt/rustwide/target/debug/deps/libfutures_executor-c6efea1fe2bf3bae.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-5ee66f8c828f2dd8.rmeta --extern lapin=/opt/rustwide/target/debug/deps/liblapin-ddf06df561744b22.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-db88f49d9e5662e7.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-95a9d57e67df36ac.rmeta --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-4b1df9b2b0633b99.rmeta --extern prometheus_exporter=/opt/rustwide/target/debug/deps/libprometheus_exporter-a32d9ac21dd44fa5.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-c251ca4f1be2ef5d.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-4be55d5eb648d32f.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-d84223559123dd1d.rmeta --extern sqlx=/opt/rustwide/target/debug/deps/libsqlx-ea2856398f64d002.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-b4f02a5de9c993c0.rmeta --extern tokio_amqp=/opt/rustwide/target/debug/deps/libtokio_amqp-a94955e5c5b9eaa3.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-01e5c3b0c7546ba6.rmeta --extern tracing_futures=/opt/rustwide/target/debug/deps/libtracing_futures-d9cd1995ef3efa21.rmeta --extern tracing_log=/opt/rustwide/target/debug/deps/libtracing_log-c58387968eb56e4a.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-5a169729c156a7fa.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-c6168440942a4947.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a88757a9462ffccc6c1e813d86bc8806490ed79031716fba334535de71a2ec1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88757a9462ffccc6c1e813d86bc8806490ed79031716fba334535de71a2ec1a", kill_on_drop: false }`
[INFO] [stdout] a88757a9462ffccc6c1e813d86bc8806490ed79031716fba334535de71a2ec1a