[INFO] cloning repository https://github.com/Dominik355/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dominik355/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominik355%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDominik355%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 905d47fd83458ff296a0a282111bbf3f1ae90b35
[INFO] documenting Dominik355/rust_playground 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%2FDominik355%2Frust_playground" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Dominik355/rust_playground
[INFO] finished tweaking git repo https://github.com/Dominik355/rust_playground
[INFO] tweaked toml for git repo https://github.com/Dominik355/rust_playground written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dominik355/rust_playground 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/Dominik355/rust_playground 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] warning: /workspace/builds/worker-0-tc2/source/async_testing/Cargo.toml: unused manifest key: dev
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5e554db5b21b7bc11be6c6d4e2a2d4d2c1df1857656bca5c72f472e1e8454fe7
[INFO] running `Command { std: "docker" "start" "-a" "5e554db5b21b7bc11be6c6d4e2a2d4d2c1df1857656bca5c72f472e1e8454fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e554db5b21b7bc11be6c6d4e2a2d4d2c1df1857656bca5c72f472e1e8454fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e554db5b21b7bc11be6c6d4e2a2d4d2c1df1857656bca5c72f472e1e8454fe7", kill_on_drop: false }`
[INFO] [stdout] 5e554db5b21b7bc11be6c6d4e2a2d4d2c1df1857656bca5c72f472e1e8454fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 368869f7569214250870b63992efc696a1222c56063864cde3c031656c7f7104
[INFO] running `Command { std: "docker" "start" "-a" "368869f7569214250870b63992efc696a1222c56063864cde3c031656c7f7104", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/async_testing/Cargo.toml: unused manifest key: dev
[INFO] [stderr]    Compiling cc v1.1.0
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking object v0.36.1
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking num-complex v0.4.6
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[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling libz-sys v1.1.18
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[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]     Checking plotters-backend v0.3.6
[INFO] [stderr]     Checking clap_builder v4.5.9
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[INFO] [stderr]    Compiling rdkafka-sys v4.7.0+2.3.0
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[INFO] [stderr]     Checking left-right v0.11.5
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[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]  Documenting arcswap-vs-leftright v0.1.0 (/opt/rustwide/workdir/arcswap-vs-leftright)
[INFO] [stderr]  Documenting patterns v0.1.0 (/opt/rustwide/workdir/patterns)
[INFO] [stderr]  Documenting left-right-map v0.1.0 (/opt/rustwide/workdir/left-right-map)
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking clap v4.5.9
[INFO] [stderr]  Documenting rw_lock v0.1.0 (/opt/rustwide/workdir/rw_lock)
[INFO] [stderr]  Documenting sync_watch_channel v0.1.0 (/opt/rustwide/workdir/async_testing)
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.204
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.61
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking serde v1.0.204
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.11
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking sync v0.1.0 (/opt/rustwide/workdir/sync)
[INFO] [stderr]  Documenting sync v0.1.0 (/opt/rustwide/workdir/sync)
[INFO] [stderr]  Documenting named-tokio-tasks v0.1.0 (/opt/rustwide/workdir/named-tokio-tasks)
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stdout] warning: struct `Sender` is never constructed
[INFO] [stdout]  --> sync/src/watch_channel.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Sender<T> {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Receiver` is never constructed
[INFO] [stdout]   --> sync/src/watch_channel.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Receiver<T> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shared` is never constructed
[INFO] [stdout]   --> sync/src/watch_channel.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Shared<T> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedValue` is never constructed
[INFO] [stdout]   --> sync/src/watch_channel.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct SharedValue<T> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `channel` is never used
[INFO] [stdout]   --> sync/src/watch_channel.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub fn channel<T: Clone>(value: T) -> (Sender<T>, Receiver<T>) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_sender` is never used
[INFO] [stdout]   --> sync/src/watch_channel.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T: Clone> Receiver<T> {
[INFO] [stdout]    | -------------------------- method in this implementation
[INFO] [stdout] 62 |     pub fn new_sender(&self) -> Sender<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `receive`, `get_if_new`, `receive_blocking`, and `wait_timeout` are never used
[INFO] [stdout]   --> sync/src/watch_channel.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 69 | impl<T: Clone> Receiver<T> {
[INFO] [stdout]    | -------------------------- methods in this implementation
[INFO] [stdout] 70 |     pub fn receive(&mut self) -> T {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn get_if_new(&mut self) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn receive_blocking(&mut self) -> T {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn wait_timeout(&mut self, duration: Duration) -> Option<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send`, `subscribe`, and `update` are never used
[INFO] [stdout]    --> sync/src/watch_channel.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 117 | impl<T> Sender<T> {
[INFO] [stdout]     | ----------------- methods in this implementation
[INFO] [stdout] 118 |     pub fn send(&self, value: T) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub fn subscribe(&self) -> Receiver<T> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |     pub fn update<F>(&self, f: F)
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mutex` is never constructed
[INFO] [stdout]    --> sync/src/watch_channel.rs:210:16
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub struct Mutex<T> {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `lock` are never used
[INFO] [stdout]    --> sync/src/watch_channel.rs:215:16
[INFO] [stdout]     |
[INFO] [stdout] 214 |     impl<T> Mutex<T> {
[INFO] [stdout]     |     ---------------- associated items in this implementation
[INFO] [stdout] 215 |         pub fn new(value: T) -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 221 |         pub fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Condvar` is never constructed
[INFO] [stdout]    --> sync/src/watch_channel.rs:226:16
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub struct Condvar {
[INFO] [stdout]     |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `wait`, `wait_timeout`, and `notify_all` are never used
[INFO] [stdout]    --> sync/src/watch_channel.rs:230:16
[INFO] [stdout]     |
[INFO] [stdout] 229 |     impl Condvar {
[INFO] [stdout]     |     ------------ associated items in this implementation
[INFO] [stdout] 230 |         pub fn new() -> Self {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] ...
[INFO] [stdout] 236 |         pub fn wait<'a, T>(&self, guard: MutexGuard<'a, T>) -> MutexGuard<'a, T> {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 242 |         pub fn wait_timeout<'a, T>(
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |         pub fn notify_all(&self) {
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking serde_spanned v0.6.7
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[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr]     Checking toml v0.8.15
[INFO] [stderr]     Checking hyper v0.14.30
[INFO] [stderr]  Documenting serde v0.1.0 (/opt/rustwide/workdir/serde)
[INFO] [stderr]  Documenting dynamic-vs-generic v0.1.0 (/opt/rustwide/workdir/dynamic-vs-generic)
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]  Documenting rust_playground v0.1.0 (/opt/rustwide/workdir/everything)
[INFO] [stderr]     Checking rust_playground v0.1.0 (/opt/rustwide/workdir/everything)
[INFO] [stderr]     Checking rdkafka v0.36.2
[INFO] [stderr]  Documenting kafka v0.1.0 (/opt/rustwide/workdir/kafka)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/arcswap_vs_leftright/index.html and 29 other files
[INFO] running `Command { std: "docker" "inspect" "368869f7569214250870b63992efc696a1222c56063864cde3c031656c7f7104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "368869f7569214250870b63992efc696a1222c56063864cde3c031656c7f7104", kill_on_drop: false }`
[INFO] [stdout] 368869f7569214250870b63992efc696a1222c56063864cde3c031656c7f7104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b0989af17a3dd5ea349383828221051848e2b45e1ec6adaa06cc2f8d02d6d77f
[INFO] running `Command { std: "docker" "start" "-a" "b0989af17a3dd5ea349383828221051848e2b45e1ec6adaa06cc2f8d02d6d77f", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/async_testing/Cargo.toml: unused manifest key: dev
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "b0989af17a3dd5ea349383828221051848e2b45e1ec6adaa06cc2f8d02d6d77f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0989af17a3dd5ea349383828221051848e2b45e1ec6adaa06cc2f8d02d6d77f", kill_on_drop: false }`
[INFO] [stdout] b0989af17a3dd5ea349383828221051848e2b45e1ec6adaa06cc2f8d02d6d77f
