[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 1.46.0 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-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ducc/crdb-changefeed-publisher on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-8/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" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f248d82b66594d610b4697fbd218e0b1e679f2be497d1b8fad43a5db8e7b1daf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f248d82b66594d610b4697fbd218e0b1e679f2be497d1b8fad43a5db8e7b1daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f248d82b66594d610b4697fbd218e0b1e679f2be497d1b8fad43a5db8e7b1daf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f248d82b66594d610b4697fbd218e0b1e679f2be497d1b8fad43a5db8e7b1daf", kill_on_drop: false }`
[INFO] [stdout] f248d82b66594d610b4697fbd218e0b1e679f2be497d1b8fad43a5db8e7b1daf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.46.0" "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] 60bb10970d669fa7264203df9b2fa6da898a3ff48e9ae22a12aa73b5aad2027e
[INFO] running `Command { std: "docker" "start" "-a" "60bb10970d669fa7264203df9b2fa6da898a3ff48e9ae22a12aa73b5aad2027e", kill_on_drop: false }`
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[INFO] [stderr]     Checking hyper v0.13.7
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[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 stable 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 stable 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-1b58740b2ecf0368.so --extern clap=/opt/rustwide/target/debug/deps/libclap-1b72f15014d7a182.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-1de9e51fa88716a7.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-6db922ee7e491597.rmeta --extern futures_executor=/opt/rustwide/target/debug/deps/libfutures_executor-dca7de7c8a89581e.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-6717b7d558e05316.rmeta --extern lapin=/opt/rustwide/target/debug/deps/liblapin-4bf9db9765947980.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-57a7edc7f441d44c.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-958bf2a074a4960f.rmeta --extern prometheus=/opt/rustwide/target/debug/deps/libprometheus-cb687d25ca5b34e1.rmeta --extern prometheus_exporter=/opt/rustwide/target/debug/deps/libprometheus_exporter-0c29bc6caa037652.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-5103ea9f59ed634c.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-b5fd0391594be4a1.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a92097ffdeeccef5.rmeta --extern sqlx=/opt/rustwide/target/debug/deps/libsqlx-6d70801535d96a85.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0bee72f253fee470.rmeta --extern tokio_amqp=/opt/rustwide/target/debug/deps/libtokio_amqp-755e546fa80fa4b1.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-5c5bc9a757bd225e.rmeta --extern tracing_futures=/opt/rustwide/target/debug/deps/libtracing_futures-e9bf45b46a28703e.rmeta --extern tracing_log=/opt/rustwide/target/debug/deps/libtracing_log-b3199f22ad3a453d.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-97fb903ebf9dba3a.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-d4b80f58f723e472.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "60bb10970d669fa7264203df9b2fa6da898a3ff48e9ae22a12aa73b5aad2027e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bb10970d669fa7264203df9b2fa6da898a3ff48e9ae22a12aa73b5aad2027e", kill_on_drop: false }`
[INFO] [stdout] 60bb10970d669fa7264203df9b2fa6da898a3ff48e9ae22a12aa73b5aad2027e