[INFO] fetching crate mnist 0.5.0...
[INFO] documenting mnist-0.5.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mnist 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mnist 0.5.0 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 crates.io crate mnist 0.5.0
[INFO] finished tweaking crates.io crate mnist 0.5.0
[INFO] tweaked toml for crates.io crate mnist 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mnist 0.5.0 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 color_quant v1.1.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.22
[INFO] [stderr]   Downloaded miniz_oxide v0.3.7
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded image v0.23.14
[INFO] [stderr]   Downloaded bytemuck v1.7.2
[INFO] [stderr]   Downloaded png v0.16.8
[INFO] [stderr]   Downloaded curl v0.4.40
[INFO] [stderr]   Downloaded gif v0.11.3
[INFO] [stderr]   Downloaded deflate v0.8.6
[INFO] [stderr]   Downloaded ndarray v0.14.0
[INFO] [stderr]   Downloaded weezl v0.1.5
[INFO] [stderr]   Downloaded sdl2 v0.34.5
[INFO] [stderr]   Downloaded show-image v0.6.5
[INFO] [stderr]   Downloaded keyboard-types v0.5.0
[INFO] [stderr]   Downloaded sdl2-sys v0.34.5
[INFO] [stderr]   Downloaded tiff v0.6.1
[INFO] [stderr]   Downloaded curl-sys v0.4.50+curl-7.79.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] e6dd37b6bca75038e1e81a633c87c97ccc8906513e951ca7845221aa360d7239
[INFO] running `Command { std: "docker" "start" "-a" "e6dd37b6bca75038e1e81a633c87c97ccc8906513e951ca7845221aa360d7239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6dd37b6bca75038e1e81a633c87c97ccc8906513e951ca7845221aa360d7239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6dd37b6bca75038e1e81a633c87c97ccc8906513e951ca7845221aa360d7239", kill_on_drop: false }`
[INFO] [stdout] e6dd37b6bca75038e1e81a633c87c97ccc8906513e951ca7845221aa360d7239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a072a5b821615a03d801c6037152a681ae317a09e3647fe78e1e87d4d9d18102
[INFO] running `Command { std: "docker" "start" "-a" "a072a5b821615a03d801c6037152a681ae317a09e3647fe78e1e87d4d9d18102", kill_on_drop: false }`
[INFO] [stderr]  Documenting mnist v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `here`
[INFO] [stdout]   --> src/lib.rs:16:77
[INFO] [stdout]    |
[INFO] [stdout] 16 | //! The MNIST data set is a collection of four gzip files and can be found [here]
[INFO] [stdout]    |                                                                             ^^^^ no item named `here` 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/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | //! (http://yann.lecun.com/exdb/mnist/). There is one file for each of the following: the training
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://yann.lecun.com/exdb/mnist/>`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "a072a5b821615a03d801c6037152a681ae317a09e3647fe78e1e87d4d9d18102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a072a5b821615a03d801c6037152a681ae317a09e3647fe78e1e87d4d9d18102", kill_on_drop: false }`
[INFO] [stdout] a072a5b821615a03d801c6037152a681ae317a09e3647fe78e1e87d4d9d18102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 831c90287197d2c76321c0c32484a532a5feff2016a95e8cda0bc2dd9aa2c2e1
[INFO] running `Command { std: "docker" "start" "-a" "831c90287197d2c76321c0c32484a532a5feff2016a95e8cda0bc2dd9aa2c2e1", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]  Documenting mnist v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `here`
[INFO] [stdout]   --> src/lib.rs:16:77
[INFO] [stdout]    |
[INFO] [stdout] 16 | //! The MNIST data set is a collection of four gzip files and can be found [here]
[INFO] [stdout]    |                                                                             ^^^^ no item named `here` 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/lib.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | //! (http://yann.lecun.com/exdb/mnist/). There is one file for each of the following: the training
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://yann.lecun.com/exdb/mnist/>`
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "831c90287197d2c76321c0c32484a532a5feff2016a95e8cda0bc2dd9aa2c2e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831c90287197d2c76321c0c32484a532a5feff2016a95e8cda0bc2dd9aa2c2e1", kill_on_drop: false }`
[INFO] [stdout] 831c90287197d2c76321c0c32484a532a5feff2016a95e8cda0bc2dd9aa2c2e1