[INFO] cloning repository https://github.com/ozbe/x-callback-url
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ozbe/x-callback-url" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozbe%2Fx-callback-url", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozbe%2Fx-callback-url'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f21778d0025ec17dec7555bfed56a37285c9f73e
[INFO] documenting ozbe/x-callback-url 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%2Fozbe%2Fx-callback-url" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ozbe/x-callback-url 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/ozbe/x-callback-url
[INFO] finished tweaking git repo https://github.com/ozbe/x-callback-url
[INFO] tweaked toml for git repo https://github.com/ozbe/x-callback-url written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ozbe/x-callback-url 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] [stderr]     Blocking waiting for file lock on package cache
[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] 3a2b7d4603249e47fef41d5b0c1e887866cb5b2c44db19a411301250759d42ee
[INFO] running `Command { std: "docker" "start" "-a" "3a2b7d4603249e47fef41d5b0c1e887866cb5b2c44db19a411301250759d42ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a2b7d4603249e47fef41d5b0c1e887866cb5b2c44db19a411301250759d42ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a2b7d4603249e47fef41d5b0c1e887866cb5b2c44db19a411301250759d42ee", kill_on_drop: false }`
[INFO] [stdout] 3a2b7d4603249e47fef41d5b0c1e887866cb5b2c44db19a411301250759d42ee
[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] 3e4f3e7cdf39ff3f65a15b786f2e5d9e98b09a06fa067a7315ab0ab8d8cf0a91
[INFO] running `Command { std: "docker" "start" "-a" "3e4f3e7cdf39ff3f65a15b786f2e5d9e98b09a06fa067a7315ab0ab8d8cf0a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]     Checking objc v0.2.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking macos v0.1.0 (https://github.com/ozbe/webkitten?branch=x-callback-url#b140bc6e)
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr] warning: failed to check lib in package `macos` 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/git/checkouts/webkitten-b9a4216b2355a45d/b140bc6/macos/Cargo.toml
[INFO] [stderr] warning: `macos` (lib) generated 1 warning
[INFO] [stderr]     Scraping x-callback-url v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting x-callback-url v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "3e4f3e7cdf39ff3f65a15b786f2e5d9e98b09a06fa067a7315ab0ab8d8cf0a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4f3e7cdf39ff3f65a15b786f2e5d9e98b09a06fa067a7315ab0ab8d8cf0a91", kill_on_drop: false }`
[INFO] [stdout] 3e4f3e7cdf39ff3f65a15b786f2e5d9e98b09a06fa067a7315ab0ab8d8cf0a91
[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] 903531a70cbdf0c1a2e8428762b4c9f606f8cb155a97c6fa5bd23e2ebf45d11d
[INFO] running `Command { std: "docker" "start" "-a" "903531a70cbdf0c1a2e8428762b4c9f606f8cb155a97c6fa5bd23e2ebf45d11d", kill_on_drop: false }`
[INFO] [stderr]     Checking macos v0.1.0 (https://github.com/ozbe/webkitten?branch=x-callback-url#b140bc6e)
[INFO] [stderr] warning: failed to check lib in package `macos` 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/git/checkouts/webkitten-b9a4216b2355a45d/b140bc6/macos/Cargo.toml
[INFO] [stderr] warning: `macos` (lib) generated 1 warning
[INFO] [stderr]     Scraping x-callback-url v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting x-callback-url v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "903531a70cbdf0c1a2e8428762b4c9f606f8cb155a97c6fa5bd23e2ebf45d11d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903531a70cbdf0c1a2e8428762b4c9f606f8cb155a97c6fa5bd23e2ebf45d11d", kill_on_drop: false }`
[INFO] [stdout] 903531a70cbdf0c1a2e8428762b4c9f606f8cb155a97c6fa5bd23e2ebf45d11d