[INFO] fetching crate terrors 0.3.3...
[INFO] documenting terrors-0.3.3 against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] extracting crate terrors 0.3.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate terrors 0.3.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate terrors 0.3.3
[INFO] tweaked toml for crates.io crate terrors 0.3.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate terrors 0.3.3 on toolchain da3f5c31e5535b3dc210067de660a45784ae1e9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate terrors 0.3.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 10b8d3d576b701727fdffd4c12ad9c11ae0905c8f00f72c5aa014fac185b2d13
[INFO] running `Command { std: "docker" "start" "10b8d3d576b701727fdffd4c12ad9c11ae0905c8f00f72c5aa014fac185b2d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b8d3d576b701727fdffd4c12ad9c11ae0905c8f00f72c5aa014fac185b2d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "10b8d3d576b701727fdffd4c12ad9c11ae0905c8f00f72c5aa014fac185b2d13" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10b8d3d576b701727fdffd4c12ad9c11ae0905c8f00f72c5aa014fac185b2d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "10b8d3d576b701727fdffd4c12ad9c11ae0905c8f00f72c5aa014fac185b2d13" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]  Documenting terrors v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/one_of.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / pub struct OneOf<E: TypeSet> {
[INFO] [stdout] 33 | |     pub(crate) value: Box<dyn Any>,
[INFO] [stdout] 34 | |     _pd: PhantomData<E>,
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Similar to anonymous unions / enums in languages that support type narrowing.`
[INFO] [stdout]    = help: ends near `as the generic parameter for the `OneOf`.`
[INFO] [stdout]    = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/one_of.rs:32:1
[INFO] [stdout]    |
[INFO] [stdout] 32 | / pub struct OneOf<E: TypeSet> {
[INFO] [stdout] 33 | |     pub(crate) value: Box<dyn Any>,
[INFO] [stdout] 34 | |     _pd: PhantomData<E>,
[INFO] [stdout] 35 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near ``OneOf` is an open sum type. It differs from an enum`
[INFO] [stdout]    = help: ends near ``OneOf` is an open sum type. It differs from an enum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `terrors`
[INFO] running `Command { std: "docker" "inspect" "10b8d3d576b701727fdffd4c12ad9c11ae0905c8f00f72c5aa014fac185b2d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b8d3d576b701727fdffd4c12ad9c11ae0905c8f00f72c5aa014fac185b2d13", kill_on_drop: false }`
[INFO] [stdout] 10b8d3d576b701727fdffd4c12ad9c11ae0905c8f00f72c5aa014fac185b2d13