[INFO] fetching crate img_hash_median 4.0.0...
[INFO] documenting img_hash_median-4.0.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate img_hash_median 4.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate img_hash_median 4.0.0 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 img_hash_median 4.0.0
[INFO] finished tweaking crates.io crate img_hash_median 4.0.0
[INFO] tweaked toml for crates.io crate img_hash_median 4.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate img_hash_median 4.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded transpose v0.2.0
[INFO] [stderr]   Downloaded rustdct v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] decbc84b0a991a898baee9b2674d36a1ad4faa117e4f2ce805bc7a63252b4486
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "decbc84b0a991a898baee9b2674d36a1ad4faa117e4f2ce805bc7a63252b4486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "decbc84b0a991a898baee9b2674d36a1ad4faa117e4f2ce805bc7a63252b4486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "decbc84b0a991a898baee9b2674d36a1ad4faa117e4f2ce805bc7a63252b4486", kill_on_drop: false }`
[INFO] [stdout] decbc84b0a991a898baee9b2674d36a1ad4faa117e4f2ce805bc7a63252b4486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 85ccfcb62485b8b40b46b84276eccdf82782ceaa0d7f0fec600b222e96fd21b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "85ccfcb62485b8b40b46b84276eccdf82782ceaa0d7f0fec600b222e96fd21b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking weezl v0.1.2
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.0
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking transpose v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rustfft v3.0.1
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rustdct v0.4.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking tiff v0.6.0
[INFO] [stderr]     Checking image v0.23.11
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking img_hash_median v4.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting img_hash_median v4.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/alg/mod.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// written by Dr. Neal Krawetz: http://www.hackerfactor.com/
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.hackerfactor.com/>`
[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/alg/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     /// http://www.hackerfactor.com/blog/?/archives/432-Looks-Like-It.html
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.hackerfactor.com/blog/?/archives/432-Looks-Like-It.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/alg/mod.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |     /// http://www.hackerfactor.com/blog/index.php?/archives/529-Kind-of-Like-That.html
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.hackerfactor.com/blog/index.php?/archives/529-Kind-of-Like-That.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/alg/mod.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     /// https://github.com/commonsmachinery/blockhash-rfc/blob/master/main.md
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/commonsmachinery/blockhash-rfc/blob/master/main.md>`
[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/alg/mod.rs:81:27
[INFO] [stdout]    |
[INFO] [stdout] 81 |     /// can be found here https://github.com/JohannesBuchner/imagehash/blob/4de9becdb13ecad67b7393cc17b5a44ea1c61b6b/imagehash.py#L193: 
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/JohannesBuchner/imagehash/blob/4de9becdb13ecad67b7393cc17b5a44ea1c61b6b/imagehash.py#L193:>`
[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/alg/mod.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     /// http://www.hackerfactor.com/blog/?/archives/432-Looks-Like-It.html
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.hackerfactor.com/blog/?/archives/432-Looks-Like-It.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/alg/mod.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | /// written by Dr. Neal Krawetz: http://www.hackerfactor.com/
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.hackerfactor.com/>`
[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/lib.rs:228:11
[INFO] [stdout]     |
[INFO] [stdout] 228 |     /// * http://www.hackerfactor.com/blog/?/archives/432-Looks-Like-It.html
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.hackerfactor.com/blog/?/archives/432-Looks-Like-It.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/lib.rs:232:11
[INFO] [stdout]     |
[INFO] [stdout] 232 |     /// * https://en.wikipedia.org/wiki/Discrete_cosine_transform
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Discrete_cosine_transform>`
[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/lib.rs:258:11
[INFO] [stdout]     |
[INFO] [stdout] 258 |     /// * https://en.wikipedia.org/wiki/Difference_of_Gaussians
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Difference_of_Gaussians>`
[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/lib.rs:259:11
[INFO] [stdout]     |
[INFO] [stdout] 259 |     /// * http://homepages.inf.ed.ac.uk/rbf/HIPR2/log.htm
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://homepages.inf.ed.ac.uk/rbf/HIPR2/log.htm>`
[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/lib.rs:449:54
[INFO] [stdout]     |
[INFO] [stdout] 449 | /// Provide Serde a typedef for `image::FilterType`: https://serde.rs/remote-derive.html
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://serde.rs/remote-derive.html>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.88s
[INFO] running `Command { std: "docker" "inspect" "85ccfcb62485b8b40b46b84276eccdf82782ceaa0d7f0fec600b222e96fd21b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ccfcb62485b8b40b46b84276eccdf82782ceaa0d7f0fec600b222e96fd21b4", kill_on_drop: false }`
[INFO] [stdout] 85ccfcb62485b8b40b46b84276eccdf82782ceaa0d7f0fec600b222e96fd21b4
