[INFO] fetching crate async-datachannel 0.4.0...
[INFO] documenting async-datachannel-0.4.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate async-datachannel 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate async-datachannel 0.4.0 on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate async-datachannel 0.4.0
[INFO] finished tweaking crates.io crate async-datachannel 0.4.0
[INFO] tweaked toml for crates.io crate async-datachannel 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate async-datachannel 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60ad68f3ad2cc656e43c49d4910d0952162d9c31f3d1ec69f668b6722f3e8214
[INFO] running `Command { std: "docker" "start" "-a" "60ad68f3ad2cc656e43c49d4910d0952162d9c31f3d1ec69f668b6722f3e8214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60ad68f3ad2cc656e43c49d4910d0952162d9c31f3d1ec69f668b6722f3e8214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ad68f3ad2cc656e43c49d4910d0952162d9c31f3d1ec69f668b6722f3e8214", kill_on_drop: false }`
[INFO] [stdout] 60ad68f3ad2cc656e43c49d4910d0952162d9c31f3d1ec69f668b6722f3e8214
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 59c205fcdf22ca7c42958c954e6c5b4363fc8e82a5d7de179279dac183c727da
[INFO] running `Command { std: "docker" "start" "-a" "59c205fcdf22ca7c42958c954e6c5b4363fc8e82a5d7de179279dac183c727da", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking unicode-normalization v0.1.22
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[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling cpp_common v0.5.7
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[INFO] [stderr]    Compiling serde_derive v1.0.148
[INFO] [stderr]     Checking unicode-bidi v0.3.8
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[INFO] [stderr]    Compiling futures-macro v0.3.25
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[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling datachannel-sys v0.17.11
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking futures-executor v0.3.25
[INFO] [stderr]     Checking futures v0.3.25
[INFO] [stderr]     Checking datachannel v0.8.0
[INFO] [stderr]     Scraping async-datachannel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting async-datachannel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 43s
[INFO] running `Command { std: "docker" "inspect" "59c205fcdf22ca7c42958c954e6c5b4363fc8e82a5d7de179279dac183c727da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59c205fcdf22ca7c42958c954e6c5b4363fc8e82a5d7de179279dac183c727da", kill_on_drop: false }`
[INFO] [stdout] 59c205fcdf22ca7c42958c954e6c5b4363fc8e82a5d7de179279dac183c727da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] f82dd54a2ff53a55fb0a123ec7fd796c99d635fd186954e3b000bee81b91d38f
[INFO] running `Command { std: "docker" "start" "-a" "f82dd54a2ff53a55fb0a123ec7fd796c99d635fd186954e3b000bee81b91d38f", kill_on_drop: false }`
[INFO] [stderr]  Documenting async-datachannel v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "f82dd54a2ff53a55fb0a123ec7fd796c99d635fd186954e3b000bee81b91d38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82dd54a2ff53a55fb0a123ec7fd796c99d635fd186954e3b000bee81b91d38f", kill_on_drop: false }`
[INFO] [stdout] f82dd54a2ff53a55fb0a123ec7fd796c99d635fd186954e3b000bee81b91d38f