[INFO] cloning repository https://github.com/VictorGerin/leetcode_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VictorGerin/leetcode_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorGerin%2Fleetcode_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorGerin%2Fleetcode_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e797942f057714e1cc8303f37dc5e2b5cb3ec53
[INFO] documenting VictorGerin/leetcode_rs against beta-2025-09-21 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorGerin%2Fleetcode_rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/VictorGerin/leetcode_rs
[INFO] finished tweaking git repo https://github.com/VictorGerin/leetcode_rs
[INFO] tweaked toml for git repo https://github.com/VictorGerin/leetcode_rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/VictorGerin/leetcode_rs on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/VictorGerin/leetcode_rs 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-2025-09-21" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dee003b9eb985fb0e43b5c464a905fe7080f9fc520bf18421115393a950d10e6
[INFO] running `Command { std: "docker" "start" "-a" "dee003b9eb985fb0e43b5c464a905fe7080f9fc520bf18421115393a950d10e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dee003b9eb985fb0e43b5c464a905fe7080f9fc520bf18421115393a950d10e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee003b9eb985fb0e43b5c464a905fe7080f9fc520bf18421115393a950d10e6", kill_on_drop: false }`
[INFO] [stdout] dee003b9eb985fb0e43b5c464a905fe7080f9fc520bf18421115393a950d10e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 786d3b8368ebf91a228f47fb30a483745b1648b252b035cdfeab66bf28987523
[INFO] running `Command { std: "docker" "start" "-a" "786d3b8368ebf91a228f47fb30a483745b1648b252b035cdfeab66bf28987523", kill_on_drop: false }`
[INFO] [stderr]     Checking leetcode_lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib/src/data_structures/list_node.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn iter(&self) -> ListNodeIterRef {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn iter(&self) -> ListNodeIterRef<'_> {
[INFO] [stdout]    |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> lib/src/data_structures/list_node.rs:22:21
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn iter_mut(&mut self) -> ListNodeIterRefMut {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn iter_mut(&mut self) -> ListNodeIterRefMut<'_> {
[INFO] [stdout]    |                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting leetcode_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/integer_to_roman_12/index.html and 6 other files
[INFO] running `Command { std: "docker" "inspect" "786d3b8368ebf91a228f47fb30a483745b1648b252b035cdfeab66bf28987523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786d3b8368ebf91a228f47fb30a483745b1648b252b035cdfeab66bf28987523", kill_on_drop: false }`
[INFO] [stdout] 786d3b8368ebf91a228f47fb30a483745b1648b252b035cdfeab66bf28987523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "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] ce407d4828100e5fdfe6d159cf99a836e19f7325e29d35ca4c9d0a63d8e77ec8
[INFO] running `Command { std: "docker" "start" "-a" "ce407d4828100e5fdfe6d159cf99a836e19f7325e29d35ca4c9d0a63d8e77ec8", kill_on_drop: false }`
[INFO] [stderr] error: no library targets found in package `leetcode_rust`
[INFO] running `Command { std: "docker" "inspect" "ce407d4828100e5fdfe6d159cf99a836e19f7325e29d35ca4c9d0a63d8e77ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce407d4828100e5fdfe6d159cf99a836e19f7325e29d35ca4c9d0a63d8e77ec8", kill_on_drop: false }`
[INFO] [stdout] ce407d4828100e5fdfe6d159cf99a836e19f7325e29d35ca4c9d0a63d8e77ec8