[INFO] fetching crate zbuf 0.1.2...
[INFO] documenting zbuf-0.1.2 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate zbuf 0.1.2 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate zbuf 0.1.2 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zbuf 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate zbuf 0.1.2
[INFO] tweaked toml for crates.io crate zbuf 0.1.2 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8feef6828e60d3aa0cb3114e151c45ef542e0ff93a0c1ff4798167c057bc35e7
[INFO] running `Command { std: "docker" "start" "-a" "8feef6828e60d3aa0cb3114e151c45ef542e0ff93a0c1ff4798167c057bc35e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8feef6828e60d3aa0cb3114e151c45ef542e0ff93a0c1ff4798167c057bc35e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8feef6828e60d3aa0cb3114e151c45ef542e0ff93a0c1ff4798167c057bc35e7", kill_on_drop: false }`
[INFO] [stdout] 8feef6828e60d3aa0cb3114e151c45ef542e0ff93a0c1ff4798167c057bc35e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a92e722caf545dd1312db9acd9a9238e38d65d1a10da679e2c10c93ffb531817
[INFO] running `Command { std: "docker" "start" "-a" "a92e722caf545dd1312db9acd9a9238e38d65d1a10da679e2c10c93ffb531817", kill_on_drop: false }`
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]  Documenting zbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> bytesbuf.rs:683:24
[INFO] [stdout]     |
[INFO] [stdout] 683 |             if let b' '...b'~' = byte {
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1`
[INFO] [stdout]  --> lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | //! are “zero-copy”<sup>[[1]](#zero-copy)</sup> buffers.
[INFO] [stdout]   |                           ^ no item named `1` 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]   --> lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /// https://github.com/rust-lang/rust/issues/27730
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/rust-lang/rust/issues/27730>`
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "a92e722caf545dd1312db9acd9a9238e38d65d1a10da679e2c10c93ffb531817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a92e722caf545dd1312db9acd9a9238e38d65d1a10da679e2c10c93ffb531817", kill_on_drop: false }`
[INFO] [stdout] a92e722caf545dd1312db9acd9a9238e38d65d1a10da679e2c10c93ffb531817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] f187171d79c45d71ecb007f208c474969aca8b17ebc68d49e817d7277bd6be42
[INFO] running `Command { std: "docker" "start" "-a" "f187171d79c45d71ecb007f208c474969aca8b17ebc68d49e817d7277bd6be42", kill_on_drop: false }`
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]  Documenting zbuf v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> bytesbuf.rs:683:24
[INFO] [stdout]     |
[INFO] [stdout] 683 |             if let b' '...b'~' = byte {
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `1`
[INFO] [stdout]  --> lib.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | //! are “zero-copy”<sup>[[1]](#zero-copy)</sup> buffers.
[INFO] [stdout]   |                           ^ no item named `1` 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]   --> lib.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /// https://github.com/rust-lang/rust/issues/27730
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/rust-lang/rust/issues/27730>`
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "f187171d79c45d71ecb007f208c474969aca8b17ebc68d49e817d7277bd6be42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f187171d79c45d71ecb007f208c474969aca8b17ebc68d49e817d7277bd6be42", kill_on_drop: false }`
[INFO] [stdout] f187171d79c45d71ecb007f208c474969aca8b17ebc68d49e817d7277bd6be42