[INFO] fetching crate mut-str 1.1.0-alpha.2...
[INFO] documenting mut-str-1.1.0-alpha.2 against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] extracting crate mut-str 1.1.0-alpha.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate mut-str 1.1.0-alpha.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mut-str 1.1.0-alpha.2
[INFO] tweaked toml for crates.io crate mut-str 1.1.0-alpha.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mut-str 1.1.0-alpha.2 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 mut-str 1.1.0-alpha.2 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] [stderr] warning: Cargo.toml: `edition` is set on library `mut_str` which is deprecated
[INFO] [stderr] warning: `mut-str` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3d436a95f10cf7b7f900128d88800dceba8d7e361277b59bd712c9445ae81ed9
[INFO] running `Command { std: "docker" "start" "3d436a95f10cf7b7f900128d88800dceba8d7e361277b59bd712c9445ae81ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d436a95f10cf7b7f900128d88800dceba8d7e361277b59bd712c9445ae81ed9", 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" "3d436a95f10cf7b7f900128d88800dceba8d7e361277b59bd712c9445ae81ed9" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d436a95f10cf7b7f900128d88800dceba8d7e361277b59bd712c9445ae81ed9", 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" "3d436a95f10cf7b7f900128d88800dceba8d7e361277b59bd712c9445ae81ed9" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `edition` is set on library `mut_str` which is deprecated
[INFO] [stderr] warning: `mut-str` (manifest) generated 1 warning
[INFO] [stderr]  Documenting mut-str v1.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]   --> lib/char_ref.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /// ```
[INFO] [stdout]    |     ^ starts here
[INFO] [stdout] ...
[INFO] [stdout] 46 | /// ```
[INFO] [stdout]    |       - ends here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the way this is parsed might change in the future
[INFO] [stdout]    = note: `#[deny(rustdoc::unportable_markdown)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `mut-str`
[INFO] running `Command { std: "docker" "inspect" "3d436a95f10cf7b7f900128d88800dceba8d7e361277b59bd712c9445ae81ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d436a95f10cf7b7f900128d88800dceba8d7e361277b59bd712c9445ae81ed9", kill_on_drop: false }`
[INFO] [stdout] 3d436a95f10cf7b7f900128d88800dceba8d7e361277b59bd712c9445ae81ed9
