[INFO] fetching crate mdplayscript 0.6.0...
[INFO] documenting mdplayscript-0.6.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate mdplayscript 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mdplayscript 0.6.0 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] started tweaking crates.io crate mdplayscript 0.6.0
[INFO] finished tweaking crates.io crate mdplayscript 0.6.0
[INFO] tweaked toml for crates.io crate mdplayscript 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate mdplayscript 0.6.0 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0b8a1cb53f89306aca2b7ce6dc55617a8bc97c06874d606581c5612571e3b5cd
[INFO] running `Command { std: "docker" "start" "-a" "0b8a1cb53f89306aca2b7ce6dc55617a8bc97c06874d606581c5612571e3b5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b8a1cb53f89306aca2b7ce6dc55617a8bc97c06874d606581c5612571e3b5cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8a1cb53f89306aca2b7ce6dc55617a8bc97c06874d606581c5612571e3b5cd", kill_on_drop: false }`
[INFO] [stdout] 0b8a1cb53f89306aca2b7ce6dc55617a8bc97c06874d606581c5612571e3b5cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] da855af15a405f2ebf17ef76a9a40515ce9074df5534fed0187bf8e348406903
[INFO] running `Command { std: "docker" "start" "-a" "da855af15a405f2ebf17ef76a9a40515ce9074df5534fed0187bf8e348406903", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
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[INFO] [stderr]     Checking digest v0.9.0
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]    Compiling pest_meta v2.1.3
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[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling rust-embed-impl v5.9.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking handlebars v4.1.2
[INFO] [stderr]     Checking rust-embed v5.9.0
[INFO] [stderr]     Checking futures-util v0.3.12
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[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking elasticlunr-rs v2.3.9
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.7
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[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking ammonia v3.1.0
[INFO] [stderr]     Checking hyper v0.14.5
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking mdbook v0.4.12
[INFO] [stderr] warning: failed to check lib in package `mdbook` as a prerequisite for scraping examples from: lib
[INFO] [stderr]     Try running with `--verbose` to see the error message.
[INFO] [stderr]     If an example or library should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` or `[lib]` definition in /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.4.12/Cargo.toml
[INFO] [stderr] warning: `mdbook` (lib) generated 1 warning
[INFO] [stderr]     Scraping mdplayscript v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mdplayscript v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.66s
[INFO] running `Command { std: "docker" "inspect" "da855af15a405f2ebf17ef76a9a40515ce9074df5534fed0187bf8e348406903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da855af15a405f2ebf17ef76a9a40515ce9074df5534fed0187bf8e348406903", kill_on_drop: false }`
[INFO] [stdout] da855af15a405f2ebf17ef76a9a40515ce9074df5534fed0187bf8e348406903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 2d026592572ded94fcb8d91d53dd91a2ec69028c436a5ee50f6f1c3cf315d6d2
[INFO] running `Command { std: "docker" "start" "-a" "2d026592572ded94fcb8d91d53dd91a2ec69028c436a5ee50f6f1c3cf315d6d2", kill_on_drop: false }`
[INFO] [stderr]     Checking mdbook v0.4.12
[INFO] [stderr] warning: failed to check lib in package `mdbook` as a prerequisite for scraping examples from: lib
[INFO] [stderr]     Try running with `--verbose` to see the error message.
[INFO] [stderr]     If an example or library should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` or `[lib]` definition in /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mdbook-0.4.12/Cargo.toml
[INFO] [stderr] warning: `mdbook` (lib) generated 1 warning
[INFO] [stderr]     Scraping mdplayscript v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting mdplayscript v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "2d026592572ded94fcb8d91d53dd91a2ec69028c436a5ee50f6f1c3cf315d6d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d026592572ded94fcb8d91d53dd91a2ec69028c436a5ee50f6f1c3cf315d6d2", kill_on_drop: false }`
[INFO] [stdout] 2d026592572ded94fcb8d91d53dd91a2ec69028c436a5ee50f6f1c3cf315d6d2