[INFO] cloning repository https://github.com/frublox/mobi-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/frublox/mobi-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrublox%2Fmobi-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrublox%2Fmobi-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c59cdb0b614d4e9ce5650710ce3fe2290751bf8
[INFO] documenting frublox/mobi-rust against 1.69.0 for beta-1.70-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffrublox%2Fmobi-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/frublox/mobi-rust on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/frublox/mobi-rust
[INFO] finished tweaking git repo https://github.com/frublox/mobi-rust
[INFO] tweaked toml for git repo https://github.com/frublox/mobi-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/frublox/mobi-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug_print v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 562f50f8a4de7fdcfd4f53ca6983057b51bfe80033909a29c62b65899da6a1db
[INFO] running `Command { std: "docker" "start" "-a" "562f50f8a4de7fdcfd4f53ca6983057b51bfe80033909a29c62b65899da6a1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "562f50f8a4de7fdcfd4f53ca6983057b51bfe80033909a29c62b65899da6a1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562f50f8a4de7fdcfd4f53ca6983057b51bfe80033909a29c62b65899da6a1db", kill_on_drop: false }`
[INFO] [stdout] 562f50f8a4de7fdcfd4f53ca6983057b51bfe80033909a29c62b65899da6a1db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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=warn" "-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@sha256:97d61d7686bf65f8ecb15491ab51835e82dc9176a96a831f143a431b191fc501" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8bffffa46a9cab131d45360523e3ab15b36274b4c8f8267f7818fa590811d42b
[INFO] running `Command { std: "docker" "start" "-a" "8bffffa46a9cab131d45360523e3ab15b36274b4c8f8267f7818fa590811d42b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking debug_print v1.0.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]  Documenting mobi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(thread_spawn_unchecked)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]    --> src/mobi.rs:129:18
[INFO] [stdout]     |
[INFO] [stdout] 129 | /// wiki page at https://wiki.mobileread.com/wiki/MOBI.
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://wiki.mobileread.com/wiki/MOBI.>`
[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: unclosed HTML tag `extra`
[INFO] [stdout]    --> src/mobi.rs:223:22
[INFO] [stdout]     |
[INFO] [stdout] 223 |     /// bit 1 (0x1): <extra multibyte bytes><size>
[INFO] [stdout]     |                      ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_html_tags)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `size`
[INFO] [stdout]    --> src/mobi.rs:223:45
[INFO] [stdout]     |
[INFO] [stdout] 223 |     /// bit 1 (0x1): <extra multibyte bytes><size>
[INFO] [stdout]     |                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `TBS`
[INFO] [stdout]    --> src/mobi.rs:225:22
[INFO] [stdout]     |
[INFO] [stdout] 225 |     /// bit 2 (0x2): <TBS indexing description of this HTML record><size>
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `size`
[INFO] [stdout]    --> src/mobi.rs:225:68
[INFO] [stdout]     |
[INFO] [stdout] 225 |     /// bit 2 (0x2): <TBS indexing description of this HTML record><size>
[INFO] [stdout]     |                                                                    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `uncrossable`
[INFO] [stdout]    --> src/mobi.rs:227:22
[INFO] [stdout]     |
[INFO] [stdout] 227 |     /// bit 3 (0x4): <uncrossable breaks><size>
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unclosed HTML tag `size`
[INFO] [stdout]    --> src/mobi.rs:227:42
[INFO] [stdout]     |
[INFO] [stdout] 227 |     /// bit 3 (0x4): <uncrossable breaks><size>
[INFO] [stdout]     |                                          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mobi`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name mobi src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=c15a92f4b4e62f7d -L dependency=/opt/rustwide/target/debug/deps --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-6df7138dc36d2858.rmeta --extern debug_print=/opt/rustwide/target/debug/deps/libdebug_print-81caaddaab23d9d1.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-bbb03ad20b501c15.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8bffffa46a9cab131d45360523e3ab15b36274b4c8f8267f7818fa590811d42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bffffa46a9cab131d45360523e3ab15b36274b4c8f8267f7818fa590811d42b", kill_on_drop: false }`
[INFO] [stdout] 8bffffa46a9cab131d45360523e3ab15b36274b4c8f8267f7818fa590811d42b
