[INFO] fetching crate dbcrossbar 0.5.0-beta.4...
[INFO] documenting dbcrossbar-0.5.0-beta.4 against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] extracting crate dbcrossbar 0.5.0-beta.4 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate dbcrossbar 0.5.0-beta.4 on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbcrossbar 0.5.0-beta.4
[INFO] finished tweaking crates.io crate dbcrossbar 0.5.0-beta.4
[INFO] tweaked toml for crates.io crate dbcrossbar 0.5.0-beta.4 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] crate crates.io crate dbcrossbar 0.5.0-beta.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2113bbae9ba9f55e228924f0ab7e2b7b6ee20cd8663312620a73dbd2544f25f
[INFO] running `Command { std: "docker" "start" "-a" "e2113bbae9ba9f55e228924f0ab7e2b7b6ee20cd8663312620a73dbd2544f25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2113bbae9ba9f55e228924f0ab7e2b7b6ee20cd8663312620a73dbd2544f25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2113bbae9ba9f55e228924f0ab7e2b7b6ee20cd8663312620a73dbd2544f25f", kill_on_drop: false }`
[INFO] [stdout] e2113bbae9ba9f55e228924f0ab7e2b7b6ee20cd8663312620a73dbd2544f25f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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=forbid" "-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" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf492b3ada84adf5614a14c2d81218961094690cdac5b6708f6127604ca6875c
[INFO] running `Command { std: "docker" "start" "-a" "bf492b3ada84adf5614a14c2d81218961094690cdac5b6708f6127604ca6875c", kill_on_drop: false }`
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[INFO] [stderr]  Documenting dbcrossbar v0.5.0-beta.4 (/opt/rustwide/workdir)
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[INFO] running `Command { std: "docker" "inspect" "bf492b3ada84adf5614a14c2d81218961094690cdac5b6708f6127604ca6875c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf492b3ada84adf5614a14c2d81218961094690cdac5b6708f6127604ca6875c", kill_on_drop: false }`
[INFO] [stdout] bf492b3ada84adf5614a14c2d81218961094690cdac5b6708f6127604ca6875c