[INFO] fetching crate tubular 0.0.1...
[INFO] documenting tubular-0.0.1 against 1.61.0 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 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 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" "+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] 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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50d43cff285080f581b9cf18f0bcb5e2869531179cb3b4981d3cef425bea2cb3
[INFO] running `Command { std: "docker" "start" "-a" "50d43cff285080f581b9cf18f0bcb5e2869531179cb3b4981d3cef425bea2cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50d43cff285080f581b9cf18f0bcb5e2869531179cb3b4981d3cef425bea2cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d43cff285080f581b9cf18f0bcb5e2869531179cb3b4981d3cef425bea2cb3", kill_on_drop: false }`
[INFO] [stdout] 50d43cff285080f581b9cf18f0bcb5e2869531179cb3b4981d3cef425bea2cb3
[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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca2e89fd42a6feccd672462da3c3265e7f017574d83450195d60dfd5e2f2e623
[INFO] running `Command { std: "docker" "start" "-a" "ca2e89fd42a6feccd672462da3c3265e7f017574d83450195d60dfd5e2f2e623", 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 1.20s
[INFO] running `Command { std: "docker" "inspect" "ca2e89fd42a6feccd672462da3c3265e7f017574d83450195d60dfd5e2f2e623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca2e89fd42a6feccd672462da3c3265e7f017574d83450195d60dfd5e2f2e623", kill_on_drop: false }`
[INFO] [stdout] ca2e89fd42a6feccd672462da3c3265e7f017574d83450195d60dfd5e2f2e623
[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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7e69b7f1867ac8ade2d1d32a6464d251385fb3413aa5fcdff5436bc82a90639a
[INFO] running `Command { std: "docker" "start" "-a" "7e69b7f1867ac8ade2d1d32a6464d251385fb3413aa5fcdff5436bc82a90639a", kill_on_drop: false }`
[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 0.81s
[INFO] running `Command { std: "docker" "inspect" "7e69b7f1867ac8ade2d1d32a6464d251385fb3413aa5fcdff5436bc82a90639a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e69b7f1867ac8ade2d1d32a6464d251385fb3413aa5fcdff5436bc82a90639a", kill_on_drop: false }`
[INFO] [stdout] 7e69b7f1867ac8ade2d1d32a6464d251385fb3413aa5fcdff5436bc82a90639a