[INFO] cloning repository https://github.com/lao-dongxi/Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lao-dongxi/Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flao-dongxi%2FRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flao-dongxi%2FRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 767aa38134880010095b3cf2285966e9407be574
[INFO] documenting lao-dongxi/Rust against beta-2026-01-20 for beta-1.94-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flao-dongxi%2FRust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lao-dongxi/Rust
[INFO] finished tweaking git repo https://github.com/lao-dongxi/Rust
[INFO] tweaked toml for git repo https://github.com/lao-dongxi/Rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lao-dongxi/Rust on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lao-dongxi/Rust 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-2026-01-20" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dbfc918d8e271a9bafbaa4745712c18ffb11bd1939bf0b074a722977039772d
[INFO] running `Command { std: "docker" "start" "-a" "2dbfc918d8e271a9bafbaa4745712c18ffb11bd1939bf0b074a722977039772d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dbfc918d8e271a9bafbaa4745712c18ffb11bd1939bf0b074a722977039772d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbfc918d8e271a9bafbaa4745712c18ffb11bd1939bf0b074a722977039772d", kill_on_drop: false }`
[INFO] [stdout] 2dbfc918d8e271a9bafbaa4745712c18ffb11bd1939bf0b074a722977039772d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd2da6c8b663fe18802001185df3fa9bebb13b1ede78e3ee28bb99efe81f76da
[INFO] running `Command { std: "docker" "start" "-a" "cd2da6c8b663fe18802001185df3fa9bebb13b1ede78e3ee28bb99efe81f76da", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking getrandom v0.3.2
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking Playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting Playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `clone`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     clone,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `iter::Skip` and `process`
[INFO] [stdout]  --> src/lib.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{env, error::Error, fs, iter::Skip, process};
[INFO] [stdout]   |                                  ^^^^^^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]    --> src/lib.rs:135:36
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub fn notify(item1: impl Summary, item2: impl Summary) {
[INFO] [stdout]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item2`
[INFO] [stdout]    --> src/lib.rs:138:37
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub fn notify2<T: Summary>(item: T, item2: T) {
[INFO] [stdout]     |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_item2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:147:62
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub fn notify5<T: Summary + Display, U: Clone + Debug>(a: T, b: U) -> String {
[INFO] [stdout]     |                                                              ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/lib.rs:150:28
[INFO] [stdout]     |
[INFO] [stdout] 150 | pub fn notify6<T, U>(a: T, b: U) -> String
[INFO] [stdout]     |                            ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:157:16
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub fn notify7(s: &str) -> impl Summary {
[INFO] [stdout]     |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `adress`, and `age` are never read
[INFO] [stdout]    --> src/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub struct Student {
[INFO] [stdout]     |            ------- fields in this struct
[INFO] [stdout] 177 |     name: String,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 178 |     adress: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 179 |     age: i32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Playground` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `playground`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Option_num` should have an upper camel case name
[INFO] [stdout]   --> src/bin/generics_test.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum Option_num<T> {
[INFO] [stdout]    |      ^^^^^^^^^^ help: convert the identifier to upper camel case: `OptionNum`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `user` should have an upper camel case name
[INFO] [stdout]   --> src/bin/lifetime_test.rs:60:8
[INFO] [stdout]    |
[INFO] [stdout] 60 | struct user<'a> {
[INFO] [stdout]    |        ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `User`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.74s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/Playground/index.html and 20 other files
[INFO] running `Command { std: "docker" "inspect" "cd2da6c8b663fe18802001185df3fa9bebb13b1ede78e3ee28bb99efe81f76da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2da6c8b663fe18802001185df3fa9bebb13b1ede78e3ee28bb99efe81f76da", kill_on_drop: false }`
[INFO] [stdout] cd2da6c8b663fe18802001185df3fa9bebb13b1ede78e3ee28bb99efe81f76da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "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] f2180650e3e0fc648bdb3afcd4fc9a76f47038fbbe6f93409d9067725f076a1d
[INFO] running `Command { std: "docker" "start" "-a" "f2180650e3e0fc648bdb3afcd4fc9a76f47038fbbe6f93409d9067725f076a1d", kill_on_drop: false }`
[INFO] [stderr]  Documenting Playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/Playground/index.html
[INFO] running `Command { std: "docker" "inspect" "f2180650e3e0fc648bdb3afcd4fc9a76f47038fbbe6f93409d9067725f076a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2180650e3e0fc648bdb3afcd4fc9a76f47038fbbe6f93409d9067725f076a1d", kill_on_drop: false }`
[INFO] [stdout] f2180650e3e0fc648bdb3afcd4fc9a76f47038fbbe6f93409d9067725f076a1d
