[INFO] fetching crate tubular 0.0.1...
[INFO] documenting tubular-0.0.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tubular 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate tubular 0.0.1 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 tubular 0.0.1
[INFO] finished tweaking crates.io crate tubular 0.0.1
[INFO] tweaked toml for crates.io crate tubular 0.0.1 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a0ce33da19b9baf7fde1edfc69f98c19468c1a3448681dd0242a4d8e24db1d7c
[INFO] running `Command { std: "docker" "start" "-a" "a0ce33da19b9baf7fde1edfc69f98c19468c1a3448681dd0242a4d8e24db1d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0ce33da19b9baf7fde1edfc69f98c19468c1a3448681dd0242a4d8e24db1d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ce33da19b9baf7fde1edfc69f98c19468c1a3448681dd0242a4d8e24db1d7c", kill_on_drop: false }`
[INFO] [stdout] a0ce33da19b9baf7fde1edfc69f98c19468c1a3448681dd0242a4d8e24db1d7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 85c0afeb5e71e0b2dc55e827c929813dec5a81cb3e842b05a7a6d15cd5bfb5e7
[INFO] running `Command { std: "docker" "start" "-a" "85c0afeb5e71e0b2dc55e827c929813dec5a81cb3e842b05a7a6d15cd5bfb5e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting tubular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `downcast_ref`
[INFO] [stdout]   --> src/row.rs:15:67
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// offset and supplying a type parameter which is forwarded to [`downcast_ref`] for you.
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^ no item named `downcast_ref` 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: unknown attribute `no-run`. Did you mean `no_run`?
[INFO] [stdout]    --> src/dataframe.rs:17:1
[INFO] [stdout]     |
[INFO] [stdout] 17  | / /// A 2D matrix of cells of mixed types useful for exploratory data analysis.
[INFO] [stdout] 18  | | ///
[INFO] [stdout] 19  | | /// ## Basic Concept
[INFO] [stdout] 20  | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | | /// [`Header`]: type.Header.html
[INFO] [stdout] 118 | | /// [`Row`]: struct.Row.html
[INFO] [stdout]     | |____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "85c0afeb5e71e0b2dc55e827c929813dec5a81cb3e842b05a7a6d15cd5bfb5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c0afeb5e71e0b2dc55e827c929813dec5a81cb3e842b05a7a6d15cd5bfb5e7", kill_on_drop: false }`
[INFO] [stdout] 85c0afeb5e71e0b2dc55e827c929813dec5a81cb3e842b05a7a6d15cd5bfb5e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4e4fb6ac894a021b5f7512d7a64a548836c5685e8763699f300dcc07a5c3dde3
[INFO] running `Command { std: "docker" "start" "-a" "4e4fb6ac894a021b5f7512d7a64a548836c5685e8763699f300dcc07a5c3dde3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting tubular v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `downcast_ref`
[INFO] [stdout]   --> src/row.rs:15:67
[INFO] [stdout]    |
[INFO] [stdout] 15 | /// offset and supplying a type parameter which is forwarded to [`downcast_ref`] for you.
[INFO] [stdout]    |                                                                   ^^^^^^^^^^^^ no item named `downcast_ref` 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: unknown attribute `no-run`. Did you mean `no_run`?
[INFO] [stdout]    --> src/dataframe.rs:17:1
[INFO] [stdout]     |
[INFO] [stdout] 17  | / /// A 2D matrix of cells of mixed types useful for exploratory data analysis.
[INFO] [stdout] 18  | | ///
[INFO] [stdout] 19  | | /// ## Basic Concept
[INFO] [stdout] 20  | | ///
[INFO] [stdout] ...   |
[INFO] [stdout] 117 | | /// [`Header`]: type.Header.html
[INFO] [stdout] 118 | | /// [`Row`]: struct.Row.html
[INFO] [stdout]     | |____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_codeblock_attributes)]` on by default
[INFO] [stdout]     = help: the code block will either not be tested if not marked as a rust one or will be run (which you might not want)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "4e4fb6ac894a021b5f7512d7a64a548836c5685e8763699f300dcc07a5c3dde3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4fb6ac894a021b5f7512d7a64a548836c5685e8763699f300dcc07a5c3dde3", kill_on_drop: false }`
[INFO] [stdout] 4e4fb6ac894a021b5f7512d7a64a548836c5685e8763699f300dcc07a5c3dde3