[INFO] cloning repository https://github.com/emilk/drop-merge-sort
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emilk/drop-merge-sort" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilk%2Fdrop-merge-sort", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilk%2Fdrop-merge-sort'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccef37cca71d2b538b1f17856a458f5cd74dfaf0
[INFO] documenting emilk/drop-merge-sort against da3f5c31e5535b3dc210067de660a45784ae1e9c for pr-162169
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilk%2Fdrop-merge-sort" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emilk/drop-merge-sort
[INFO] finished tweaking git repo https://github.com/emilk/drop-merge-sort
[INFO] tweaked toml for git repo https://github.com/emilk/drop-merge-sort written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emilk/drop-merge-sort 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to highest compatible versions
[INFO] [stderr]       Adding gnuplot v0.0.22 (available: v0.0.46)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.2)
[INFO] [stderr]       Adding time v0.1.45 (available: v0.3.55)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[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: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `dmsort` (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] 56de74e5430c0c8c454f1788965d957f6efd461e749ff886634f8f4bc9b286e1
[INFO] running `Command { std: "docker" "start" "56de74e5430c0c8c454f1788965d957f6efd461e749ff886634f8f4bc9b286e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56de74e5430c0c8c454f1788965d957f6efd461e749ff886634f8f4bc9b286e1", 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" "56de74e5430c0c8c454f1788965d957f6efd461e749ff886634f8f4bc9b286e1" "/opt/rustwide/cargo-home/bin/cargo" "+da3f5c31e5535b3dc210067de660a45784ae1e9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56de74e5430c0c8c454f1788965d957f6efd461e749ff886634f8f4bc9b286e1", 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" "56de74e5430c0c8c454f1788965d957f6efd461e749ff886634f8f4bc9b286e1" "/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: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `dmsort` (manifest) generated 1 warning
[INFO] [stderr]  Documenting dmsort v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: markdown element starts on one item and ends on another
[INFO] [stdout]    --> src/dmsort.rs:178:1
[INFO] [stdout]     |
[INFO] [stdout] 178 | / pub fn sort_copy<T: Copy + Ord>(slice: &mut [T]) -> usize {
[INFO] [stdout] 179 | |     sort_copy_by(slice, |a, b| a.cmp(b))
[INFO] [stdout] 180 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the way this is parsed might change in the future
[INFO] [stdout]     = help: starts near `For in module-level testing only. TODO: this shouldn't be public.`
[INFO] [stdout]     = help: ends near `UNSTABLE! FOR INTERNAL USE ONLY.`
[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/dmsort.rs:178:1
[INFO] [stdout]     |
[INFO] [stdout] 178 | / pub fn sort_copy<T: Copy + Ord>(slice: &mut [T]) -> usize {
[INFO] [stdout] 179 | |     sort_copy_by(slice, |a, b| a.cmp(b))
[INFO] [stdout] 180 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = help: the way this is parsed might change in the future
[INFO] [stdout]     = help: starts near `UNSTABLE! FOR INTERNAL USE ONLY.`
[INFO] [stdout]     = help: ends near `UNSTABLE! FOR INTERNAL USE ONLY.`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `dmsort`
[INFO] running `Command { std: "docker" "inspect" "56de74e5430c0c8c454f1788965d957f6efd461e749ff886634f8f4bc9b286e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56de74e5430c0c8c454f1788965d957f6efd461e749ff886634f8f4bc9b286e1", kill_on_drop: false }`
[INFO] [stdout] 56de74e5430c0c8c454f1788965d957f6efd461e749ff886634f8f4bc9b286e1
