[INFO] cloning repository https://github.com/lazau/rust-irc-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lazau/rust-irc-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazau%2Frust-irc-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazau%2Frust-irc-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fcf8328c55a577e859f41701f11cc3abb2288b2c
[INFO] documenting lazau/rust-irc-server 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%2Flazau%2Frust-irc-server" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lazau/rust-irc-server 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/lazau/rust-irc-server
[INFO] finished tweaking git repo https://github.com/lazau/rust-irc-server
[INFO] tweaked toml for git repo https://github.com/lazau/rust-irc-server written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/lazau/rust-irc-server 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] eb5684b3a180bbd27445a19bd145cf34cae96d2934a6cae3b46b368817755be8
[INFO] running `Command { std: "docker" "start" "-a" "eb5684b3a180bbd27445a19bd145cf34cae96d2934a6cae3b46b368817755be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb5684b3a180bbd27445a19bd145cf34cae96d2934a6cae3b46b368817755be8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb5684b3a180bbd27445a19bd145cf34cae96d2934a6cae3b46b368817755be8", kill_on_drop: false }`
[INFO] [stdout] eb5684b3a180bbd27445a19bd145cf34cae96d2934a6cae3b46b368817755be8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 75cd4f7c900022c578cf8329950d7b28cd9873d42591d047230bbe3dbb4b2fe6
[INFO] running `Command { std: "docker" "start" "-a" "75cd4f7c900022c578cf8329950d7b28cd9873d42591d047230bbe3dbb4b2fe6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking futures v0.1.17
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling version_check v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking lazycell v0.5.1
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking serde v1.0.21
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking httparse v1.2.3
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking base64 v0.8.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking getopts v0.2.15
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking iovec v0.1.1
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking hostname v0.1.3
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr] warning: failed to check lib in package `getopts` 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/getopts-0.2.15/Cargo.toml
[INFO] [stderr] warning: `getopts` (lib) generated 1 warning
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking mio v0.6.11
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking mime v0.3.5
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-cpupool v0.1.7
[INFO] [stderr]     Checking relay v0.1.0
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]     Checking tokio-core v0.1.10
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]     Checking env_logger v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.21
[INFO] [stderr]     Checking hyper v0.11.9
[INFO] [stderr]     Checking serde_json v1.0.6
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking handlebars v0.29.1
[INFO] [stderr]     Scraping irc_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting irc_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.90s
[INFO] running `Command { std: "docker" "inspect" "75cd4f7c900022c578cf8329950d7b28cd9873d42591d047230bbe3dbb4b2fe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cd4f7c900022c578cf8329950d7b28cd9873d42591d047230bbe3dbb4b2fe6", kill_on_drop: false }`
[INFO] [stdout] 75cd4f7c900022c578cf8329950d7b28cd9873d42591d047230bbe3dbb4b2fe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c76d289707b035b19fd4fdec9cdc66511d3ab7272409769c6c9df51092a06dda
[INFO] running `Command { std: "docker" "start" "-a" "c76d289707b035b19fd4fdec9cdc66511d3ab7272409769c6c9df51092a06dda", kill_on_drop: false }`
[INFO] [stderr]     Checking getopts v0.2.15
[INFO] [stderr] warning: failed to check lib in package `getopts` 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/getopts-0.2.15/Cargo.toml
[INFO] [stderr] warning: `getopts` (lib) generated 1 warning
[INFO] [stderr]     Scraping irc_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting irc_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "c76d289707b035b19fd4fdec9cdc66511d3ab7272409769c6c9df51092a06dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76d289707b035b19fd4fdec9cdc66511d3ab7272409769c6c9df51092a06dda", kill_on_drop: false }`
[INFO] [stdout] c76d289707b035b19fd4fdec9cdc66511d3ab7272409769c6c9df51092a06dda