[INFO] fetching crate vaporetto 0.4.0...
[INFO] documenting vaporetto-0.4.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate vaporetto 0.4.0 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate vaporetto 0.4.0 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 vaporetto 0.4.0
[INFO] finished tweaking crates.io crate vaporetto 0.4.0
[INFO] tweaked toml for crates.io crate vaporetto 0.4.0 written to /workspace/builds/worker-22/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parsnip v0.3.0
[INFO] [stderr]   Downloaded liblinear v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] e7f5dccb57ef4552c209eccae0f32a5dd84745c78aae24fc246b175f26bd9ee4
[INFO] running `Command { std: "docker" "start" "-a" "e7f5dccb57ef4552c209eccae0f32a5dd84745c78aae24fc246b175f26bd9ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7f5dccb57ef4552c209eccae0f32a5dd84745c78aae24fc246b175f26bd9ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f5dccb57ef4552c209eccae0f32a5dd84745c78aae24fc246b175f26bd9ee4", kill_on_drop: false }`
[INFO] [stdout] e7f5dccb57ef4552c209eccae0f32a5dd84745c78aae24fc246b175f26bd9ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 3265cc756c896351ef011ed199863ad0f26877dab72cd5f7c58be475f3d2d8f7
[INFO] running `Command { std: "docker" "start" "-a" "3265cc756c896351ef011ed199863ad0f26877dab72cd5f7c58be475f3d2d8f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling virtue v0.0.7
[INFO] [stderr]     Checking daachorse v0.4.2
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.1
[INFO] [stderr]     Checking bincode v2.0.0-rc.1
[INFO] [stderr]  Documenting vaporetto v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Trainer`
[INFO] [stdout]   --> src/lib.rs:25:74
[INFO] [stdout]    |
[INFO] [stdout] 25 | //! Training requires **crate feature** `train`. For more details, see [`Trainer`].
[INFO] [stdout]    |                                                                          ^^^^^^^ no item named `Trainer` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "3265cc756c896351ef011ed199863ad0f26877dab72cd5f7c58be475f3d2d8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3265cc756c896351ef011ed199863ad0f26877dab72cd5f7c58be475f3d2d8f7", kill_on_drop: false }`
[INFO] [stdout] 3265cc756c896351ef011ed199863ad0f26877dab72cd5f7c58be475f3d2d8f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "--all-features" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] d8bcd697de525ffa9e09e996b3471840493df0337dc35af5a371700cc75bbd79
[INFO] running `Command { std: "docker" "start" "-a" "d8bcd697de525ffa9e09e996b3471840493df0337dc35af5a371700cc75bbd79", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling virtue v0.0.7
[INFO] [stderr]     Checking parsnip v0.3.0
[INFO] [stderr]     Checking daachorse v0.4.2
[INFO] [stderr]     Checking miniz_oxide v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.1
[INFO] [stderr]     Checking object v0.28.4
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling liblinear v1.0.0
[INFO] [stderr]     Checking bincode v2.0.0-rc.1
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]  Documenting vaporetto v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.32s
[INFO] running `Command { std: "docker" "inspect" "d8bcd697de525ffa9e09e996b3471840493df0337dc35af5a371700cc75bbd79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8bcd697de525ffa9e09e996b3471840493df0337dc35af5a371700cc75bbd79", kill_on_drop: false }`
[INFO] [stdout] d8bcd697de525ffa9e09e996b3471840493df0337dc35af5a371700cc75bbd79