[INFO] cloning repository https://github.com/nkaush/png-decorder-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nkaush/png-decorder-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkaush%2Fpng-decorder-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkaush%2Fpng-decorder-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 220a94904e3ec659f08d03ab8a5550e76a842933
[INFO] documenting nkaush/png-decorder-rs against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnkaush%2Fpng-decorder-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nkaush/png-decorder-rs on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nkaush/png-decorder-rs
[INFO] finished tweaking git repo https://github.com/nkaush/png-decorder-rs
[INFO] tweaked toml for git repo https://github.com/nkaush/png-decorder-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/nkaush/png-decorder-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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 clap_derive v3.0.5
[INFO] [stderr]   Downloaded clap v3.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cdf47bf4b6c75d009f4fc0ee6847333911240b7bff7e130ec357749b429f0cd
[INFO] running `Command { std: "docker" "start" "-a" "8cdf47bf4b6c75d009f4fc0ee6847333911240b7bff7e130ec357749b429f0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cdf47bf4b6c75d009f4fc0ee6847333911240b7bff7e130ec357749b429f0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cdf47bf4b6c75d009f4fc0ee6847333911240b7bff7e130ec357749b429f0cd", kill_on_drop: false }`
[INFO] [stdout] 8cdf47bf4b6c75d009f4fc0ee6847333911240b7bff7e130ec357749b429f0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1be06d097531f549c2944a720eb30af109a8b19f35110b807485a693470ca411
[INFO] running `Command { std: "docker" "start" "-a" "1be06d097531f549c2944a720eb30af109a8b19f35110b807485a693470ca411", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling clap_derive v3.0.5
[INFO] [stderr]     Checking clap v3.0.5
[INFO] [stderr]  Documenting png v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Optional`
[INFO] [stdout]   --> src/args.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 |     /// [Optional] The filepath to write the encoded image to
[INFO] [stdout]    |          ^^^^^^^^ no item named `Optional` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]  --> src/png/chunk.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /// http://www.libpng.org/pub/png/spec/1.2/PNG-Structure.html
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.libpng.org/pub/png/spec/1.2/PNG-Structure.html>`
[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/png/chunk_type.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | /// http://www.libpng.org/pub/png/spec/1.2/PNG-Structure.html
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.libpng.org/pub/png/spec/1.2/PNG-Structure.html>`
[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/png/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | /// http://www.libpng.org/pub/png/spec/1.2/PNG-Contents.html
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.libpng.org/pub/png/spec/1.2/PNG-Contents.html>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.08s
[INFO] running `Command { std: "docker" "inspect" "1be06d097531f549c2944a720eb30af109a8b19f35110b807485a693470ca411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1be06d097531f549c2944a720eb30af109a8b19f35110b807485a693470ca411", kill_on_drop: false }`
[INFO] [stdout] 1be06d097531f549c2944a720eb30af109a8b19f35110b807485a693470ca411