[INFO] fetching crate redocs 0.1.0...
[INFO] checking redocs-0.1.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate redocs 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate redocs 0.1.0
[INFO] finished tweaking crates.io crate redocs 0.1.0
[INFO] tweaked toml for crates.io crate redocs 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate redocs 0.1.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding pyo3 v0.21.2 (available: v0.27.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-build-config v0.21.2
[INFO] [stderr]   Downloaded pyo3-macros v0.21.2
[INFO] [stderr]   Downloaded build_html v2.7.0
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.21.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.21.2
[INFO] [stderr]   Downloaded pyo3 v0.21.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32c6d9d95d7cdd26a2b8a577463cf9fbdf18b1809c15ee3c3b6c82becf3688c6
[INFO] running `Command { std: "docker" "start" "-a" "32c6d9d95d7cdd26a2b8a577463cf9fbdf18b1809c15ee3c3b6c82becf3688c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32c6d9d95d7cdd26a2b8a577463cf9fbdf18b1809c15ee3c3b6c82becf3688c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32c6d9d95d7cdd26a2b8a577463cf9fbdf18b1809c15ee3c3b6c82becf3688c6", kill_on_drop: false }`
[INFO] [stdout] 32c6d9d95d7cdd26a2b8a577463cf9fbdf18b1809c15ee3c3b6c82becf3688c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13a24ed5e919abd724c155c6d06ace5e6e0083c8695b3a2d2ae392ea3d4faed1
[INFO] running `Command { std: "docker" "start" "-a" "13a24ed5e919abd724c155c6d06ace5e6e0083c8695b3a2d2ae392ea3d4faed1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pyo3-build-config v0.21.2
[INFO] [stderr]     Checking unindent v0.2.4
[INFO] [stderr]     Checking build_html v2.7.0
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling pyo3-ffi v0.21.2
[INFO] [stderr]    Compiling pyo3 v0.21.2
[INFO] [stderr]    Compiling pyo3-macros-backend v0.21.2
[INFO] [stderr]    Compiling pyo3-macros v0.21.2
[INFO] [stderr]     Checking redocs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Stdout`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Stdout`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Stdout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `caption_size`, `caption_font`, `caption_color`, and `caption_background` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Figure {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     caption_size:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 15 |     caption_font:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 16 |     caption_color:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     caption_background:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Figure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `text_align`, `font_family`, `color`, and `background` are never read
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Header {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     text_align:String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 58 |     font_family: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 59 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 60 |     background: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size`, `text_align`, `font_family`, `color`, and `background` are never read
[INFO] [stdout]    --> src/lib.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  98 | struct Paragraph {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout]  99 |     text: String,
[INFO] [stdout] 100 |     size: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 101 |     text_align:String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 102 |     font_family: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 103 |     color: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 104 |     background: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Paragraph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `caption_size`, `caption_font`, `caption_color`, and `caption_background` are never read
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Figure {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 14 |     caption_size:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 15 |     caption_font:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 16 |     caption_color:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 17 |     caption_background:String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Figure` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `text_align`, `font_family`, `color`, and `background` are never read
[INFO] [stdout]   --> src/lib.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | struct Header {
[INFO] [stdout]    |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 57 |     text_align:String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 58 |     font_family: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 59 |     color: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 60 |     background: String,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Header` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `size`, `text_align`, `font_family`, `color`, and `background` are never read
[INFO] [stdout]    --> src/lib.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout]  98 | struct Paragraph {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout]  99 |     text: String,
[INFO] [stdout] 100 |     size: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 101 |     text_align:String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 102 |     font_family: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 103 |     color: String,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 104 |     background: String,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Paragraph` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.88s
[INFO] running `Command { std: "docker" "inspect" "13a24ed5e919abd724c155c6d06ace5e6e0083c8695b3a2d2ae392ea3d4faed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13a24ed5e919abd724c155c6d06ace5e6e0083c8695b3a2d2ae392ea3d4faed1", kill_on_drop: false }`
[INFO] [stdout] 13a24ed5e919abd724c155c6d06ace5e6e0083c8695b3a2d2ae392ea3d4faed1