[INFO] fetching crate isbnid 0.1.3...
[INFO] documenting isbnid-0.1.3 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate isbnid 0.1.3 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate isbnid 0.1.3 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate isbnid 0.1.3
[INFO] finished tweaking crates.io crate isbnid 0.1.3
[INFO] tweaked toml for crates.io crate isbnid 0.1.3 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f50e39e1d220ede8816aeaefa64a5c274ff65423e1e7e1a0389a79bc2ef96492
[INFO] running `Command { std: "docker" "start" "-a" "f50e39e1d220ede8816aeaefa64a5c274ff65423e1e7e1a0389a79bc2ef96492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f50e39e1d220ede8816aeaefa64a5c274ff65423e1e7e1a0389a79bc2ef96492", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f50e39e1d220ede8816aeaefa64a5c274ff65423e1e7e1a0389a79bc2ef96492", kill_on_drop: false }`
[INFO] [stdout] f50e39e1d220ede8816aeaefa64a5c274ff65423e1e7e1a0389a79bc2ef96492
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87db57d79252a11a1725108fedf7fc26438b04a33e60ca60a2f4cdb2835c1a62
[INFO] running `Command { std: "docker" "start" "-a" "87db57d79252a11a1725108fedf7fc26438b04a33e60ca60a2f4cdb2835c1a62", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]  Documenting isbnid v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/isbn.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | //! is retrieved from https://www.isbn-international.org/. ISBN numbers
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.isbn-international.org/.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/isbn.rs:11:46
[INFO] [stdout]    |
[INFO] [stdout] 11 | //! the language and the publisher. See also https://en.wikipedia.org/wiki/ISBN.
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/ISBN.>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/isbn.rs:161:41
[INFO] [stdout]     |
[INFO] [stdout] 161 |     /// RFC 2888, URN Encoding of ISBN. https://www.ietf.org/rfc/rfc2288
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.ietf.org/rfc/rfc2288>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.33s
[INFO] running `Command { std: "docker" "inspect" "87db57d79252a11a1725108fedf7fc26438b04a33e60ca60a2f4cdb2835c1a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87db57d79252a11a1725108fedf7fc26438b04a33e60ca60a2f4cdb2835c1a62", kill_on_drop: false }`
[INFO] [stdout] 87db57d79252a11a1725108fedf7fc26438b04a33e60ca60a2f4cdb2835c1a62
