[INFO] fetching crate sse-actix-web 0.8.1...
[INFO] documenting sse-actix-web-0.8.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate sse-actix-web 0.8.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate sse-actix-web 0.8.1 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sse-actix-web 0.8.1
[INFO] finished tweaking crates.io crate sse-actix-web 0.8.1
[INFO] tweaked toml for crates.io crate sse-actix-web 0.8.1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded actix-web-codegen v0.2.2
[INFO] [stderr]   Downloaded actix-connect v1.0.2
[INFO] [stderr]   Downloaded actix-utils v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2bf9fbd4485433458341c12013d47fec31d1430be0e9ac196f4c20eb1922fbbb
[INFO] running `Command { std: "docker" "start" "-a" "2bf9fbd4485433458341c12013d47fec31d1430be0e9ac196f4c20eb1922fbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bf9fbd4485433458341c12013d47fec31d1430be0e9ac196f4c20eb1922fbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bf9fbd4485433458341c12013d47fec31d1430be0e9ac196f4c20eb1922fbbb", kill_on_drop: false }`
[INFO] [stdout] 2bf9fbd4485433458341c12013d47fec31d1430be0e9ac196f4c20eb1922fbbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf4953429e41352b390230d955c6737ef2784708e7c2c981e793bc7dc6de924
[INFO] running `Command { std: "docker" "start" "-a" "3bf4953429e41352b390230d955c6737ef2784708e7c2c981e793bc7dc6de924", kill_on_drop: false }`
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[INFO] [stderr]    Compiling actix-web-codegen v0.2.2
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[INFO] [stderr]     Checking h2 v0.2.7
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[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
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[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-connect v1.0.2
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[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]  Documenting sse-actix-web v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: module `sync` is private
[INFO] [stdout]    --> src/lib.rs:10:12
[INFO] [stdout]     |
[INFO] [stdout] 10  | use tokio::sync::mpsc::{channel, Receiver, Sender};
[INFO] [stdout]     |            ^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] note: the module `sync` is defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-0.2.25/src/lib.rs:385:5
[INFO] [stdout]     |
[INFO] [stdout] 385 |     mod sync;
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `sse-actix-web`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name sse_actix_web src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=b9e494f7f2b031e4 -L dependency=/opt/rustwide/target/debug/deps --extern actix_rt=/opt/rustwide/target/debug/deps/libactix_rt-82ba93fd8e6cbc6d.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-00ebb4edafd4a31c.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-0263bc67c5fa9101.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-4683f6204442d158.rmeta --cap-lints=warn --crate-version 0.8.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "3bf4953429e41352b390230d955c6737ef2784708e7c2c981e793bc7dc6de924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf4953429e41352b390230d955c6737ef2784708e7c2c981e793bc7dc6de924", kill_on_drop: false }`
[INFO] [stdout] 3bf4953429e41352b390230d955c6737ef2784708e7c2c981e793bc7dc6de924