[INFO] fetching crate base64-compat 1.0.0...
[INFO] documenting base64-compat-1.0.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate base64-compat 1.0.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate base64-compat 1.0.0 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 base64-compat 1.0.0
[INFO] finished tweaking crates.io crate base64-compat 1.0.0
[INFO] tweaked toml for crates.io crate base64-compat 1.0.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 3d4fe36c8e8857d36878c53679d668f8e4a2f74824068099351dc31146294561
[INFO] running `Command { std: "docker" "start" "-a" "3d4fe36c8e8857d36878c53679d668f8e4a2f74824068099351dc31146294561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d4fe36c8e8857d36878c53679d668f8e4a2f74824068099351dc31146294561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4fe36c8e8857d36878c53679d668f8e4a2f74824068099351dc31146294561", kill_on_drop: false }`
[INFO] [stdout] 3d4fe36c8e8857d36878c53679d668f8e4a2f74824068099351dc31146294561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 0908300a4adeff42c67d2835445a2c987b9091023bbc1bca1cc56d3ee8ad5ec1
[INFO] running `Command { std: "docker" "start" "-a" "0908300a4adeff42c67d2835445a2c987b9091023bbc1bca1cc56d3ee8ad5ec1", kill_on_drop: false }`
[INFO] [stderr]  Documenting base64-compat v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] [stdout] warning: unresolved link to `n_first`
[INFO] [stdout]   --> src/write/encoder.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 | /// Rotate the items in the slice to the left by [n_first].
[INFO] [stdout]    |                                                   ^^^^^^^ no item named `n_first` in scope
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` implied by `#[warn(warnings)]`
[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/write/encoder.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     /// https://github.com/rust-lang/rust/issues/56889 for more on that.
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/rust-lang/rust/issues/56889>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::bare_urls)]` implied by `#[warn(warnings)]`
[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] running `Command { std: "docker" "inspect" "0908300a4adeff42c67d2835445a2c987b9091023bbc1bca1cc56d3ee8ad5ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0908300a4adeff42c67d2835445a2c987b9091023bbc1bca1cc56d3ee8ad5ec1", kill_on_drop: false }`
[INFO] [stdout] 0908300a4adeff42c67d2835445a2c987b9091023bbc1bca1cc56d3ee8ad5ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 5f90f17344778b136d7d89b141afc9200f88c0b090e61934a38ff27ada53a59d
[INFO] running `Command { std: "docker" "start" "-a" "5f90f17344778b136d7d89b141afc9200f88c0b090e61934a38ff27ada53a59d", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]  Documenting base64-compat v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unresolved link to `n_first`
[INFO] [stdout]   --> src/write/encoder.rs:91:51
[INFO] [stdout]    |
[INFO] [stdout] 91 | /// Rotate the items in the slice to the left by [n_first].
[INFO] [stdout]    |                                                   ^^^^^^^ no item named `n_first` in scope
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 61 |     warnings,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(rustdoc::broken_intra_doc_links)]` implied by `#[deny(warnings)]`
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this URL is not a hyperlink
[INFO] [stdout]    --> src/write/encoder.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |     /// https://github.com/rust-lang/rust/issues/56889 for more on that.
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://github.com/rust-lang/rust/issues/56889>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(rustdoc::bare_urls)]` implied by `#[deny(warnings)]`
[INFO] [stdout]     = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `base64-compat`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name base64 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat -Z unstable-options --document-private-items -C metadata=1849e52e04ff26f0 -L dependency=/opt/rustwide/target/debug/deps --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-7c274f399d426ec2.rmeta --extern-html-root-url 'byteorder=https://docs.rs/byteorder/1.4.3/' -Zunstable-options --crate-version 1.0.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "5f90f17344778b136d7d89b141afc9200f88c0b090e61934a38ff27ada53a59d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f90f17344778b136d7d89b141afc9200f88c0b090e61934a38ff27ada53a59d", kill_on_drop: false }`
[INFO] [stdout] 5f90f17344778b136d7d89b141afc9200f88c0b090e61934a38ff27ada53a59d