[INFO] cloning repository https://github.com/valentinarodrigues/rust-daily-problem-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/valentinarodrigues/rust-daily-problem-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalentinarodrigues%2Frust-daily-problem-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalentinarodrigues%2Frust-daily-problem-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33a658707cf5d86896bc53aa9a874e067778aa21
[INFO] documenting valentinarodrigues/rust-daily-problem-solver against beta-2026-04-21 for beta-1.96-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvalentinarodrigues%2Frust-daily-problem-solver" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/valentinarodrigues/rust-daily-problem-solver
[INFO] finished tweaking git repo https://github.com/valentinarodrigues/rust-daily-problem-solver
[INFO] tweaked toml for git repo https://github.com/valentinarodrigues/rust-daily-problem-solver written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/valentinarodrigues/rust-daily-problem-solver 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/valentinarodrigues/rust-daily-problem-solver 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e2bbaa1a314877a872a7596ee25e536c0988e42e1a8ad1b6bfda0e2ca54bd695
[INFO] running `Command { std: "docker" "start" "-a" "e2bbaa1a314877a872a7596ee25e536c0988e42e1a8ad1b6bfda0e2ca54bd695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2bbaa1a314877a872a7596ee25e536c0988e42e1a8ad1b6bfda0e2ca54bd695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2bbaa1a314877a872a7596ee25e536c0988e42e1a8ad1b6bfda0e2ca54bd695", kill_on_drop: false }`
[INFO] [stdout] e2bbaa1a314877a872a7596ee25e536c0988e42e1a8ad1b6bfda0e2ca54bd695
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7d99abcbac48b5354bdbdeaa7447fb5fa350d01bf7a9a3472a74f5b93102941f
[INFO] running `Command { std: "docker" "start" "-a" "7d99abcbac48b5354bdbdeaa7447fb5fa350d01bf7a9a3472a74f5b93102941f", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-daily-problem-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `j`
[INFO] [stdout]  --> src/count_squares.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | /// DP: matrix[i][j] = side length of largest square ending at (i,j).
[INFO] [stdout]   |                   ^ no item named `j` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_daily_problem_solver/index.html
[INFO] running `Command { std: "docker" "inspect" "7d99abcbac48b5354bdbdeaa7447fb5fa350d01bf7a9a3472a74f5b93102941f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d99abcbac48b5354bdbdeaa7447fb5fa350d01bf7a9a3472a74f5b93102941f", kill_on_drop: false }`
[INFO] [stdout] 7d99abcbac48b5354bdbdeaa7447fb5fa350d01bf7a9a3472a74f5b93102941f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3706af582a90e2a9b20426eef26f40f9fcdc89ba740df7ec5dbd98ac2a9377bf
[INFO] running `Command { std: "docker" "start" "-a" "3706af582a90e2a9b20426eef26f40f9fcdc89ba740df7ec5dbd98ac2a9377bf", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust-daily-problem-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `j`
[INFO] [stdout]  --> src/count_squares.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | /// DP: matrix[i][j] = side length of largest square ending at (i,j).
[INFO] [stdout]   |                   ^ no item named `j` in scope
[INFO] [stdout]   |
[INFO] [stdout]   = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]   = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_daily_problem_solver/index.html
[INFO] running `Command { std: "docker" "inspect" "3706af582a90e2a9b20426eef26f40f9fcdc89ba740df7ec5dbd98ac2a9377bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3706af582a90e2a9b20426eef26f40f9fcdc89ba740df7ec5dbd98ac2a9377bf", kill_on_drop: false }`
[INFO] [stdout] 3706af582a90e2a9b20426eef26f40f9fcdc89ba740df7ec5dbd98ac2a9377bf