[INFO] fetching crate compress 0.2.1...
[INFO] documenting compress-0.2.1 against 1.55.0 for beta-1.56-rustdoc-1
[INFO] extracting crate compress 0.2.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate compress 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate compress 0.2.1
[INFO] finished tweaking crates.io crate compress 0.2.1
[INFO] tweaked toml for crates.io crate compress 0.2.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate compress 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8568163b1a2c365b52efdd0516a7d83383dd9b51a88875ee3b50cc8abbb665c
[INFO] running `Command { std: "docker" "start" "-a" "b8568163b1a2c365b52efdd0516a7d83383dd9b51a88875ee3b50cc8abbb665c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8568163b1a2c365b52efdd0516a7d83383dd9b51a88875ee3b50cc8abbb665c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8568163b1a2c365b52efdd0516a7d83383dd9b51a88875ee3b50cc8abbb665c", kill_on_drop: false }`
[INFO] [stdout] b8568163b1a2c365b52efdd0516a7d83383dd9b51a88875ee3b50cc8abbb665c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4db296ebca17a47c10f2dfb4c539d17a9d355578a749d86302efcc7a79214cfc
[INFO] running `Command { std: "docker" "start" "-a" "4db296ebca17a47c10f2dfb4c539d17a9d355578a749d86302efcc7a79214cfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]  Documenting compress v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `n`
[INFO] [stdout]   --> src/flate.rs:71:38
[INFO] [stdout]    |
[INFO] [stdout] 71 |     /// index's bit length, or count[n] is the number of n-bit codes
[INFO] [stdout]    |                                      ^ no item named `n` 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/checksum/adler.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | http://en.wikipedia.org/wiki/Adler-32.
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://en.wikipedia.org/wiki/Adler-32.>`
[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/bwt/dc.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | http://www.data-compression.info/Algorithms/DC/
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.data-compression.info/Algorithms/DC/>`
[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/bwt/mtf.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | http://en.wikipedia.org/wiki/Move-to-front_transform
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://en.wikipedia.org/wiki/Move-to-front_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/flate.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | //! * http://tools.ietf.org/html/rfc1951 - RFC that this implementation is based
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://tools.ietf.org/html/rfc1951>`
[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/flate.rs:23:7
[INFO] [stdout]    |
[INFO] [stdout] 23 | //! * http://www.gzip.org/zlib/rfc-deflate.html - simplified version of RFC 1951
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.gzip.org/zlib/rfc-deflate.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/flate.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | //! * http://svn.ghostscript.com/ghostscript/trunk/gs/zlib/contrib/puff/puff.c -
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://svn.ghostscript.com/ghostscript/trunk/gs/zlib/contrib/puff/puff.c>`
[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/lz4.rs:25:17
[INFO] [stdout]    |
[INFO] [stdout] 25 | can be found at https://github.com/bkaradzic/go-lz4.
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/bkaradzic/go-lz4.>`
[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/zlib.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | //! * http://tools.ietf.org/html/rfc1950 - RFC that this implementation is based
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://tools.ietf.org/html/rfc1950>`
[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/entropy/ari/mod.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | http://en.wikipedia.org/wiki/Arithmetic_coding
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://en.wikipedia.org/wiki/Arithmetic_coding>`
[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/entropy/ari/mod.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | http://en.wikipedia.org/wiki/Range_encoding
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://en.wikipedia.org/wiki/Range_encoding>`
[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/entropy/ari/apm.rs:6:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | * http://mattmahoney.net/dc/bbb.cpp
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://mattmahoney.net/dc/bbb.cpp>`
[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/entropy/ari/apm.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | * https://github.com/IlyaGrebnov/libbsc
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/IlyaGrebnov/libbsc>`
[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/rle.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | https://en.wikipedia.org/wiki/Run-length_encoding.
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Run-length_encoding.>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `Command { std: "docker" "inspect" "4db296ebca17a47c10f2dfb4c539d17a9d355578a749d86302efcc7a79214cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db296ebca17a47c10f2dfb4c539d17a9d355578a749d86302efcc7a79214cfc", kill_on_drop: false }`
[INFO] [stdout] 4db296ebca17a47c10f2dfb4c539d17a9d355578a749d86302efcc7a79214cfc