[INFO] cloning repository https://github.com/voith/rusty-structures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voith/rusty-structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoith%2Frusty-structures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoith%2Frusty-structures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c01247201e2db221a38cb52895368032d3398948
[INFO] documenting voith/rusty-structures against beta-2025-10-28 for beta-1.92-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoith%2Frusty-structures" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/voith/rusty-structures
[INFO] finished tweaking git repo https://github.com/voith/rusty-structures
[INFO] tweaked toml for git repo https://github.com/voith/rusty-structures written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/voith/rusty-structures on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/voith/rusty-structures 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-2025-10-28" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c90663decc1b2af6619f7d99f271f54c7eb840713caf1ec953ebb6cee50e04c
[INFO] running `Command { std: "docker" "start" "-a" "2c90663decc1b2af6619f7d99f271f54c7eb840713caf1ec953ebb6cee50e04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c90663decc1b2af6619f7d99f271f54c7eb840713caf1ec953ebb6cee50e04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c90663decc1b2af6619f7d99f271f54c7eb840713caf1ec953ebb6cee50e04c", kill_on_drop: false }`
[INFO] [stdout] 2c90663decc1b2af6619f7d99f271f54c7eb840713caf1ec953ebb6cee50e04c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7eb5044dc94b614be7b90ffde112649928799b763a5ab692eea5f244f627f22c
[INFO] running `Command { std: "docker" "start" "-a" "7eb5044dc94b614be7b90ffde112649928799b763a5ab692eea5f244f627f22c", kill_on_drop: false }`
[INFO] [stderr]  Documenting data_structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/dancing_links.rs:224:28
[INFO] [stdout]     |
[INFO] [stdout] 224 |             current_node = { current_node.borrow().up.clone().unwrap() };
[INFO] [stdout]     |                            ^^                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 224 -             current_node = { current_node.borrow().up.clone().unwrap() };
[INFO] [stdout] 224 +             current_node = current_node.borrow().up.clone().unwrap() ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/dancing_links.rs:263:21
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 c = { c.borrow().right.clone().unwrap() };
[INFO] [stdout]     |                     ^^                                 ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 263 -                 c = { c.borrow().right.clone().unwrap() };
[INFO] [stdout] 263 +                 c = c.borrow().right.clone().unwrap() ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/data_structures/index.html
[INFO] running `Command { std: "docker" "inspect" "7eb5044dc94b614be7b90ffde112649928799b763a5ab692eea5f244f627f22c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7eb5044dc94b614be7b90ffde112649928799b763a5ab692eea5f244f627f22c", kill_on_drop: false }`
[INFO] [stdout] 7eb5044dc94b614be7b90ffde112649928799b763a5ab692eea5f244f627f22c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "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] 058819e3d11710c2959bc9f7dfa8ec72c5385f28dbaa0d0104216fbf72a6a558
[INFO] running `Command { std: "docker" "start" "-a" "058819e3d11710c2959bc9f7dfa8ec72c5385f28dbaa0d0104216fbf72a6a558", kill_on_drop: false }`
[INFO] [stderr]  Documenting data_structures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/dancing_links.rs:224:28
[INFO] [stdout]     |
[INFO] [stdout] 224 |             current_node = { current_node.borrow().up.clone().unwrap() };
[INFO] [stdout]     |                            ^^                                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 224 -             current_node = { current_node.borrow().up.clone().unwrap() };
[INFO] [stdout] 224 +             current_node = current_node.borrow().up.clone().unwrap() ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around assigned value
[INFO] [stdout]    --> src/dancing_links.rs:263:21
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 c = { c.borrow().right.clone().unwrap() };
[INFO] [stdout]     |                     ^^                                 ^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout] 263 -                 c = { c.borrow().right.clone().unwrap() };
[INFO] [stdout] 263 +                 c = c.borrow().right.clone().unwrap() ;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/data_structures/index.html
[INFO] running `Command { std: "docker" "inspect" "058819e3d11710c2959bc9f7dfa8ec72c5385f28dbaa0d0104216fbf72a6a558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058819e3d11710c2959bc9f7dfa8ec72c5385f28dbaa0d0104216fbf72a6a558", kill_on_drop: false }`
[INFO] [stdout] 058819e3d11710c2959bc9f7dfa8ec72c5385f28dbaa0d0104216fbf72a6a558