[INFO] fetching crate libceed 0.12.0...
[INFO] documenting libceed-0.12.0 against master#8afe9ff1caa97654c31fb8c259dac9fdf67d6302 for pr-151918
[INFO] extracting crate libceed 0.12.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate libceed 0.12.0
[INFO] finished tweaking crates.io crate libceed 0.12.0
[INFO] tweaked toml for crates.io crate libceed 0.12.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libceed 0.12.0 on toolchain 8afe9ff1caa97654c31fb8c259dac9fdf67d6302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "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" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 92 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded version-sync v0.9.5
[INFO] [stderr]   Downloaded katexit v0.1.5
[INFO] [stderr]   Downloaded libceed-sys v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0ba4832d3f74de3c99909eeadf58e7dc4be9668dc487f0741a7542838db65b0
[INFO] running `Command { std: "docker" "start" "-a" "d0ba4832d3f74de3c99909eeadf58e7dc4be9668dc487f0741a7542838db65b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ba4832d3f74de3c99909eeadf58e7dc4be9668dc487f0741a7542838db65b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ba4832d3f74de3c99909eeadf58e7dc4be9668dc487f0741a7542838db65b0", kill_on_drop: false }`
[INFO] [stdout] d0ba4832d3f74de3c99909eeadf58e7dc4be9668dc487f0741a7542838db65b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 268b5dd6a8faddc6fb70a98c1fa5b5883f7a507c51cf84e8a6889a7745dd2fc2
[INFO] running `Command { std: "docker" "start" "-a" "268b5dd6a8faddc6fb70a98c1fa5b5883f7a507c51cf84e8a6889a7745dd2fc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling bindgen v0.61.0
[INFO] [stderr]    Compiling libceed-sys v0.12.0
[INFO] [stderr]  Documenting libceed v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/vector.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |     /// ```
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 292 |     /// ```text
[INFO] [stdout]     |            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.66s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/libceed/index.html
[INFO] running `Command { std: "docker" "inspect" "268b5dd6a8faddc6fb70a98c1fa5b5883f7a507c51cf84e8a6889a7745dd2fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268b5dd6a8faddc6fb70a98c1fa5b5883f7a507c51cf84e8a6889a7745dd2fc2", kill_on_drop: false }`
[INFO] [stdout] 268b5dd6a8faddc6fb70a98c1fa5b5883f7a507c51cf84e8a6889a7745dd2fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "katexit" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb26300d28a04e0ef55f51473806d30d28a1aafeb61e0df8d2e54a72ee5f7a7
[INFO] running `Command { std: "docker" "start" "-a" "5fb26300d28a04e0ef55f51473806d30d28a1aafeb61e0df8d2e54a72ee5f7a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling katexit v0.1.5
[INFO] [stderr]  Documenting libceed v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]    --> src/vector.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |     /// ```
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 292 |     /// ```text
[INFO] [stdout]     |            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/libceed/index.html
[INFO] running `Command { std: "docker" "inspect" "5fb26300d28a04e0ef55f51473806d30d28a1aafeb61e0df8d2e54a72ee5f7a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb26300d28a04e0ef55f51473806d30d28a1aafeb61e0df8d2e54a72ee5f7a7", kill_on_drop: false }`
[INFO] [stdout] 5fb26300d28a04e0ef55f51473806d30d28a1aafeb61e0df8d2e54a72ee5f7a7