[INFO] cloning repository https://github.com/uuhan/abyss-hairtail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uuhan/abyss-hairtail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuuhan%2Fabyss-hairtail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuuhan%2Fabyss-hairtail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1546ec56d9a40833885208fa61d7002f0ca19da0
[INFO] documenting uuhan/abyss-hairtail against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuuhan%2Fabyss-hairtail" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uuhan/abyss-hairtail 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 git repo https://github.com/uuhan/abyss-hairtail
[INFO] finished tweaking git repo https://github.com/uuhan/abyss-hairtail
[INFO] tweaked toml for git repo https://github.com/uuhan/abyss-hairtail written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/uuhan/abyss-hairtail 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] f87cd157b6775a82d561b1fe383123156e0447d83544a50ebcee0407fc0830da
[INFO] running `Command { std: "docker" "start" "-a" "f87cd157b6775a82d561b1fe383123156e0447d83544a50ebcee0407fc0830da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f87cd157b6775a82d561b1fe383123156e0447d83544a50ebcee0407fc0830da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f87cd157b6775a82d561b1fe383123156e0447d83544a50ebcee0407fc0830da", kill_on_drop: false }`
[INFO] [stdout] f87cd157b6775a82d561b1fe383123156e0447d83544a50ebcee0407fc0830da
[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] 9fe667d13fb1ea6fe738780ba80072e9ca307d85d243d8d9991417f3a0c9777e
[INFO] running `Command { std: "docker" "start" "-a" "9fe667d13fb1ea6fe738780ba80072e9ca307d85d243d8d9991417f3a0c9777e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking smartstring v0.2.9
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling rhai_codegen v1.3.0
[INFO] [stderr]     Checking rhai v1.4.0
[INFO] [stderr] warning: failed to check lib in package `rhai` as a prerequisite for scraping examples from: bin "hairtail"
[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/rhai-1.4.0/Cargo.toml
[INFO] [stderr] warning: `rhai` (lib) generated 1 warning
[INFO] [stderr]     Scraping abyss-hairtail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting abyss-hairtail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.88s
[INFO] running `Command { std: "docker" "inspect" "9fe667d13fb1ea6fe738780ba80072e9ca307d85d243d8d9991417f3a0c9777e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe667d13fb1ea6fe738780ba80072e9ca307d85d243d8d9991417f3a0c9777e", kill_on_drop: false }`
[INFO] [stdout] 9fe667d13fb1ea6fe738780ba80072e9ca307d85d243d8d9991417f3a0c9777e