[INFO] fetching crate epub-builder 0.4.8...
[INFO] documenting epub-builder-0.4.8 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate epub-builder 0.4.8 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate epub-builder 0.4.8 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate epub-builder 0.4.8
[INFO] finished tweaking crates.io crate epub-builder 0.4.8
[INFO] tweaked toml for crates.io crate epub-builder 0.4.8 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate epub-builder 0.4.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bzip2 v0.3.3
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded adler32 v1.1.0
[INFO] [stderr]   Downloaded ctor v0.1.15
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded backtrace v0.3.49
[INFO] [stderr]   Downloaded error-chain v0.12.2
[INFO] [stderr]   Downloaded serde v1.0.113
[INFO] [stderr]   Downloaded html-escape v0.2.6
[INFO] [stderr]   Downloaded num-integer v0.1.43
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded podio v0.1.7
[INFO] [stderr]   Downloaded mustache v0.9.0
[INFO] [stderr]   Downloaded addr2line v0.12.2
[INFO] [stderr]   Downloaded flate2 v1.0.14
[INFO] [stderr]   Downloaded uuid v0.8.1
[INFO] [stderr]   Downloaded zip v0.5.6
[INFO] [stderr]   Downloaded syn v1.0.32
[INFO] [stderr]   Downloaded utf8-width v0.1.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31bd73f17a5a786ffe818ff2419a5f2fef101934083c76bd6d293badba6e8211
[INFO] running `Command { std: "docker" "start" "-a" "31bd73f17a5a786ffe818ff2419a5f2fef101934083c76bd6d293badba6e8211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31bd73f17a5a786ffe818ff2419a5f2fef101934083c76bd6d293badba6e8211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31bd73f17a5a786ffe818ff2419a5f2fef101934083c76bd6d293badba6e8211", kill_on_drop: false }`
[INFO] [stdout] 31bd73f17a5a786ffe818ff2419a5f2fef101934083c76bd6d293badba6e8211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d926d37e34ff8c460d67af0766861bd75a353b7791a24a81efe5415150827b5f
[INFO] running `Command { std: "docker" "start" "-a" "d926d37e34ff8c460d67af0766861bd75a353b7791a24a81efe5415150827b5f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking adler32 v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking gimli v0.21.0
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking html-escape v0.2.6
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking addr2line v0.12.2
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]  Documenting epub-builder v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/epub_content.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// For more information, see http://www.idpf.org/epub/20/spec/OPF_2.0.1_draft.htm#Section2.3
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.idpf.org/epub/20/spec/OPF_2.0.1_draft.htm#Section2.3>`
[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/epub_content.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// and https://idpf.github.io/epub-vocabs/structure/
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://idpf.github.io/epub-vocabs/structure/>`
[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/epub_content.rs:14:31
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// For more information, see http://www.idpf.org/epub/20/spec/OPF_2.0.1_draft.htm#Section2.3
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.idpf.org/epub/20/spec/OPF_2.0.1_draft.htm#Section2.3>`
[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 8.94s
[INFO] running `Command { std: "docker" "inspect" "d926d37e34ff8c460d67af0766861bd75a353b7791a24a81efe5415150827b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d926d37e34ff8c460d67af0766861bd75a353b7791a24a81efe5415150827b5f", kill_on_drop: false }`
[INFO] [stdout] d926d37e34ff8c460d67af0766861bd75a353b7791a24a81efe5415150827b5f
