[INFO] fetching crate ref-map 0.2.0...
[INFO] documenting ref-map-0.2.0 against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] extracting crate ref-map 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate ref-map 0.2.0
[INFO] finished tweaking crates.io crate ref-map 0.2.0
[INFO] tweaked toml for crates.io crate ref-map 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ref-map 0.2.0 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 ref-map 0.2.0 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-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 77a58b553db13e2d82825812fc25ac9189c8c8a63f458924ad04b0782942a6be
[INFO] running `Command { std: "docker" "start" "77a58b553db13e2d82825812fc25ac9189c8c8a63f458924ad04b0782942a6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a58b553db13e2d82825812fc25ac9189c8c8a63f458924ad04b0782942a6be", 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" "77a58b553db13e2d82825812fc25ac9189c8c8a63f458924ad04b0782942a6be" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a58b553db13e2d82825812fc25ac9189c8c8a63f458924ad04b0782942a6be", 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" "77a58b553db13e2d82825812fc25ac9189c8c8a63f458924ad04b0782942a6be" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]  Documenting ref-map v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/option.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / pub trait OptionRefMap<'o, T: 'o> {
[INFO] [stdout] 36 | |     /// Borrows the internal value and maps it using the provided closure.
[INFO] [stdout] 37 | |     fn ref_map<U, F>(&'o self, f: F) -> Option<U>
[INFO] [stdout] 38 | |     where
[INFO] [stdout] 39 | |         F: FnOnce(&'o T) -> U;
[INFO] [stdout] 40 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Extension trait for `Option`.`
[INFO] [stdout]    = help: ends near `Adds the `ref_map()` extension method onto [`Option`].`
[INFO] [stdout]    = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `ref-map`
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/option.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | / pub trait OptionRefMap<'o, T: 'o> {
[INFO] [stdout] 36 | |     /// Borrows the internal value and maps it using the provided closure.
[INFO] [stdout] 37 | |     fn ref_map<U, F>(&'o self, f: F) -> Option<U>
[INFO] [stdout] 38 | |     where
[INFO] [stdout] 39 | |         F: FnOnce(&'o T) -> U;
[INFO] [stdout] 40 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Adds the `ref_map()` extension method onto [`Option`].`
[INFO] [stdout]    = help: ends near `Adds the `ref_map()` extension method onto [`Option`].`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/result.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | / pub trait ResultRefMap<'r, T: 'r, E: 'r> {
[INFO] [stdout] 51 | |     /// Borrows the value in the `Ok` variant and maps it using the provided closure.
[INFO] [stdout] 52 | |     fn ref_map<U, F>(&'r self, f: F) -> Result<U, &'r E>
[INFO] [stdout] 53 | |     where
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         F: FnOnce(&'r E) -> D + 'r;
[INFO] [stdout] 60 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Extension trait for `Result`.`
[INFO] [stdout]    = help: ends near `Adds the `ref_map()` and `ref_map_err()` extension methods onto [`Result`].`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/result.rs:50:1
[INFO] [stdout]    |
[INFO] [stdout] 50 | / pub trait ResultRefMap<'r, T: 'r, E: 'r> {
[INFO] [stdout] 51 | |     /// Borrows the value in the `Ok` variant and maps it using the provided closure.
[INFO] [stdout] 52 | |     fn ref_map<U, F>(&'r self, f: F) -> Result<U, &'r E>
[INFO] [stdout] 53 | |     where
[INFO] [stdout] ...  |
[INFO] [stdout] 59 | |         F: FnOnce(&'r E) -> D + 'r;
[INFO] [stdout] 60 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Adds the `ref_map()` and `ref_map_err()` extension methods onto [`Result`].`
[INFO] [stdout]    = help: ends near `Adds the `ref_map()` and `ref_map_err()` extension methods onto [`Result`].`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/str.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / pub trait OptionStringRef<'o> {
[INFO] [stdout] 25 | |     /// Borrows the internal (probably owned) string as an `Option`.
[INFO] [stdout] 26 | |     fn as_str(&'o self) -> Option<&'o str>;
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Extension trait for optional string types.`
[INFO] [stdout]    = help: ends near `Adds the `as_str()` extension method onto owned string [`Option`] values.`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> src/str.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / pub trait OptionStringRef<'o> {
[INFO] [stdout] 25 | |     /// Borrows the internal (probably owned) string as an `Option`.
[INFO] [stdout] 26 | |     fn as_str(&'o self) -> Option<&'o str>;
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = help: starts near `Adds the `as_str()` extension method onto owned string [`Option`] values.`
[INFO] [stdout]    = help: ends near `Adds the `as_str()` extension method onto owned string [`Option`] values.`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "77a58b553db13e2d82825812fc25ac9189c8c8a63f458924ad04b0782942a6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a58b553db13e2d82825812fc25ac9189c8c8a63f458924ad04b0782942a6be", kill_on_drop: false }`
[INFO] [stdout] 77a58b553db13e2d82825812fc25ac9189c8c8a63f458924ad04b0782942a6be
