[INFO] cloning repository https://github.com/omegaphoenix/pulsar-rs-reader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/omegaphoenix/pulsar-rs-reader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomegaphoenix%2Fpulsar-rs-reader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomegaphoenix%2Fpulsar-rs-reader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b90aa294d4509ee84520fa9c5765d9feb11b99c
[INFO] documenting omegaphoenix/pulsar-rs-reader against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fomegaphoenix%2Fpulsar-rs-reader" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/omegaphoenix/pulsar-rs-reader on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/omegaphoenix/pulsar-rs-reader
[INFO] finished tweaking git repo https://github.com/omegaphoenix/pulsar-rs-reader
[INFO] tweaked toml for git repo https://github.com/omegaphoenix/pulsar-rs-reader written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/omegaphoenix/pulsar-rs-reader 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.41
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[INFO] [stderr]   Downloaded pulsar v4.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35227ff0f9afd09ab455a26fabcabbfa5e44062fe5cd00b3ffe5c202a7624b9d
[INFO] running `Command { std: "docker" "start" "-a" "35227ff0f9afd09ab455a26fabcabbfa5e44062fe5cd00b3ffe5c202a7624b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35227ff0f9afd09ab455a26fabcabbfa5e44062fe5cd00b3ffe5c202a7624b9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35227ff0f9afd09ab455a26fabcabbfa5e44062fe5cd00b3ffe5c202a7624b9d", kill_on_drop: false }`
[INFO] [stdout] 35227ff0f9afd09ab455a26fabcabbfa5e44062fe5cd00b3ffe5c202a7624b9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f32021b4015126ddc03844c6b849137cbcfab51f2ae276de06012f52f435f3
[INFO] running `Command { std: "docker" "start" "-a" "e7f32021b4015126ddc03844c6b849137cbcfab51f2ae276de06012f52f435f3", kill_on_drop: false }`
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[INFO] [stderr]  Documenting pulsar-rs-reader 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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `pulsar-rs-reader`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name pulsar_rs_reader src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=d31b1fd899aad344 -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-4ad5c3e8373b225d.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-e49c049a17d386ae.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-cfdf503dbcd0d4be.rmeta --extern pulsar=/opt/rustwide/target/debug/deps/libpulsar-2c6cc7afd743f558.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-e310cd2955b08431.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-a905029bb9463348.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-4c1c9a5c1db5894f.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-11ca2a9ca08d31df.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-74eb886e5f7910cb.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-e26d5d06a9c61a0b.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e7f32021b4015126ddc03844c6b849137cbcfab51f2ae276de06012f52f435f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f32021b4015126ddc03844c6b849137cbcfab51f2ae276de06012f52f435f3", kill_on_drop: false }`
[INFO] [stdout] e7f32021b4015126ddc03844c6b849137cbcfab51f2ae276de06012f52f435f3
