[INFO] cloning repository https://github.com/harrycheng/leetcodeInRust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harrycheng/leetcodeInRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrycheng%2FleetcodeInRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrycheng%2FleetcodeInRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cc5045dccf5c6323d327c34997494ce0232a4f8
[INFO] documenting harrycheng/leetcodeInRust against beta-2026-04-21 for beta-1.96-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrycheng%2FleetcodeInRust" "/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/harrycheng/leetcodeInRust
[INFO] finished tweaking git repo https://github.com/harrycheng/leetcodeInRust
[INFO] tweaked toml for git repo https://github.com/harrycheng/leetcodeInRust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/harrycheng/leetcodeInRust on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/harrycheng/leetcodeInRust 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81d196d9d40d23dd0655715aa6b3d5aa336226630647566aefc25f3f313db3f5
[INFO] running `Command { std: "docker" "start" "-a" "81d196d9d40d23dd0655715aa6b3d5aa336226630647566aefc25f3f313db3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81d196d9d40d23dd0655715aa6b3d5aa336226630647566aefc25f3f313db3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d196d9d40d23dd0655715aa6b3d5aa336226630647566aefc25f3f313db3f5", kill_on_drop: false }`
[INFO] [stdout] 81d196d9d40d23dd0655715aa6b3d5aa336226630647566aefc25f3f313db3f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 153585054e2bcd08aedcca1dece421feb67f0bf166014c4506780a342dea4795
[INFO] running `Command { std: "docker" "start" "-a" "153585054e2bcd08aedcca1dece421feb67f0bf166014c4506780a342dea4795", kill_on_drop: false }`
[INFO] [stderr]  Documenting reverse_k_group_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `:`, found `=`
[INFO] [stdout]   --> src/main.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |         val = 1,
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: replace equals symbol with a colon
[INFO] [stdout]    |
[INFO] [stdout] 10 -         val = 1,
[INFO] [stdout] 10 +         val: 1,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `:`, found `=`
[INFO] [stdout]   --> src/main.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         next= nil;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout] help: replace equals symbol with a colon
[INFO] [stdout]    |
[INFO] [stdout] 11 -         next= nil;
[INFO] [stdout] 11 +         next: nil;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected one of `!`, `,`, `.`, `::`, `?`, `{`, `}`, or an operator, found `;`
[INFO] [stdout]   --> src/main.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout]  9 |     let  head=ListNode{
[INFO] [stdout]    |               -------- while parsing this struct
[INFO] [stdout] 10 |         val = 1,
[INFO] [stdout] 11 |         next= nil;
[INFO] [stdout]    |                  ^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `reverse_k_group_rust`
[INFO] running `Command { std: "docker" "inspect" "153585054e2bcd08aedcca1dece421feb67f0bf166014c4506780a342dea4795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153585054e2bcd08aedcca1dece421feb67f0bf166014c4506780a342dea4795", kill_on_drop: false }`
[INFO] [stdout] 153585054e2bcd08aedcca1dece421feb67f0bf166014c4506780a342dea4795
