[INFO] fetching crate img_hash 3.2.0...
[INFO] documenting img_hash-3.2.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate img_hash 3.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate img_hash 3.2.0 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 3.2.0
[INFO] finished tweaking crates.io crate img_hash 3.2.0
[INFO] tweaked toml for crates.io crate img_hash 3.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate img_hash 3.2.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 8654f755276d0041fb190fcd5368b8c73de7f969ffcd3c609fcbe4dcecbc467d
[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" "8654f755276d0041fb190fcd5368b8c73de7f969ffcd3c609fcbe4dcecbc467d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8654f755276d0041fb190fcd5368b8c73de7f969ffcd3c609fcbe4dcecbc467d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8654f755276d0041fb190fcd5368b8c73de7f969ffcd3c609fcbe4dcecbc467d", kill_on_drop: false }`
[INFO] [stdout] 8654f755276d0041fb190fcd5368b8c73de7f969ffcd3c609fcbe4dcecbc467d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ddfbe082ccdead26f5b442992609311a7ad1bac7a63aabaa535b0172ec408ce
[INFO] running `Command { std: "docker" "start" "-a" "4ddfbe082ccdead26f5b442992609311a7ad1bac7a63aabaa535b0172ec408ce", kill_on_drop: false }`
[INFO] [stderr]     Checking strength_reduce v0.2.3
[INFO] [stderr]     Checking transpose v0.1.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking transpose v0.2.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking rustfft v3.0.1
[INFO] [stderr]     Checking rustdct v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking img_hash v3.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting img_hash v3.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `image::DynamicImage::to_luma`: replaced by `to_luma8`
[INFO] [stdout]    --> src/traits.rs:191:56
[INFO] [stdout]     |
[INFO] [stdout] 191 |         self.as_luma8().map_or_else(|| Cow::Owned(self.to_luma()), Cow::Borrowed)
[INFO] [stdout]     |                                                        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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: `#[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: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:475:54
[INFO] [stdout]     |
[INFO] [stdout] 475 | /// 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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.30s
[INFO] running `Command { std: "docker" "inspect" "4ddfbe082ccdead26f5b442992609311a7ad1bac7a63aabaa535b0172ec408ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddfbe082ccdead26f5b442992609311a7ad1bac7a63aabaa535b0172ec408ce", kill_on_drop: false }`
[INFO] [stdout] 4ddfbe082ccdead26f5b442992609311a7ad1bac7a63aabaa535b0172ec408ce
