[INFO] cloning repository https://github.com/ozbe/xcallback
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ozbe/xcallback" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozbe%2Fxcallback", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozbe%2Fxcallback'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 957cd0164f403d1babc749968d39ab4e93729b44
[INFO] documenting ozbe/xcallback 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%2Fxcallback" "/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/xcallback 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/xcallback
[INFO] finished tweaking git repo https://github.com/ozbe/xcallback
[INFO] tweaked toml for git repo https://github.com/ozbe/xcallback written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ozbe/xcallback 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] 15c0fb227d8558cdd6410d5a67881bcc53379dc7e5686c86977909598bfd2fad
[INFO] running `Command { std: "docker" "start" "-a" "15c0fb227d8558cdd6410d5a67881bcc53379dc7e5686c86977909598bfd2fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15c0fb227d8558cdd6410d5a67881bcc53379dc7e5686c86977909598bfd2fad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15c0fb227d8558cdd6410d5a67881bcc53379dc7e5686c86977909598bfd2fad", kill_on_drop: false }`
[INFO] [stdout] 15c0fb227d8558cdd6410d5a67881bcc53379dc7e5686c86977909598bfd2fad
[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] 5676249d1db805d936fffe0c8a3168cef66cc030f5ae70fb12c4917eb3ce8d71
[INFO] running `Command { std: "docker" "start" "-a" "5676249d1db805d936fffe0c8a3168cef66cc030f5ae70fb12c4917eb3ce8d71", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking objc v0.2.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking macos v0.1.0 (https://github.com/ozbe/webkitten?branch=x-callback-url#b140bc6e)
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr] warning: failed to check lib in package `macos` as a prerequisite for scraping examples from: bin "cli", 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]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking callback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Scraping callback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting callback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/bin/cli.rs:18:83
[INFO] [stdout]    |
[INFO] [stdout] 18 | /// A utility for interacting with local macOS applications using x-callback-url (http://x-callback-url.com).
[INFO] [stdout]    |                                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://x-callback-url.com>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "5676249d1db805d936fffe0c8a3168cef66cc030f5ae70fb12c4917eb3ce8d71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5676249d1db805d936fffe0c8a3168cef66cc030f5ae70fb12c4917eb3ce8d71", kill_on_drop: false }`
[INFO] [stdout] 5676249d1db805d936fffe0c8a3168cef66cc030f5ae70fb12c4917eb3ce8d71
[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" "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] f75aba108dbd9f7836f04b919cc8b1fb132fdeecf64a0872f885a9ba30e4d96c
[INFO] running `Command { std: "docker" "start" "-a" "f75aba108dbd9f7836f04b919cc8b1fb132fdeecf64a0872f885a9ba30e4d96c", 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 callback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting callback v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "f75aba108dbd9f7836f04b919cc8b1fb132fdeecf64a0872f885a9ba30e4d96c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75aba108dbd9f7836f04b919cc8b1fb132fdeecf64a0872f885a9ba30e4d96c", kill_on_drop: false }`
[INFO] [stdout] f75aba108dbd9f7836f04b919cc8b1fb132fdeecf64a0872f885a9ba30e4d96c