# rustc version rustc 1.98.0-nightly (01dfd7924 2026-06-15)
# docs.rs version docsrs 0.0.0 (886bc7a22b1adc4b387ce1343447fe3af98d9ce5 2026-06-14 )
# build log [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "8e4c74c0891e158aff69adbee4649d701f5100520bf1d45fa99a8a72871e161e" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260615-1.98.0-nightly-01dfd7924\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }` [INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] warning: `rust_asio` (manifest) generated 1 warning [INFO] [stderr] Checking rust_asio v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: failed to check lib in package `rust_asio` as a prerequisite for scraping examples from: example "daytime1_a_synchronous_tcp_daytime_client", example "daytime2_a_synchronous_tcp_daytime_server", example "daytime3_an_asynchronous_tcp_daytime_server", example "daytime4_a_synchronous_udp_daytime_client", example "daytime5_a_synchronous_udp_daytime_server", example "daytime6_an_asynchronous_udp_daytime_server", example "daytime7_a_combined_tcp_udp_asynchronous_daytime_server", example "remote_cat" [INFO] [stderr] Try running with `--verbose` to see the error message. [INFO] [stderr] If an example should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` definition in Cargo.toml [INFO] [stderr] warning: `rust_asio` (lib) generated 1 warning [INFO] [stderr] Scraping rust_asio v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: failed to scan example "remote_cat" in package `rust_asio` for example code usage [INFO] [stderr] Try running with `--verbose` to see the error message. [INFO] [stderr] If an example should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` definition in Cargo.toml [INFO] [stderr] warning: failed to scan example "daytime1_a_synchronous_tcp_daytime_client" in package `rust_asio` for example code usage [INFO] [stderr] Try running with `--verbose` to see the error message. [INFO] [stderr] If an example should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` definition in Cargo.toml [INFO] [stderr] warning: `rust_asio` (example "remote_cat") generated 1 warning [INFO] [stderr] warning: `rust_asio` (example "daytime1_a_synchronous_tcp_daytime_client") generated 1 warning [INFO] [stderr] warning: failed to scan example "daytime7_a_combined_tcp_udp_asynchronous_daytime_server" in package `rust_asio` for example code usage [INFO] [stderr] Try running with `--verbose` to see the error message. [INFO] [stderr] If an example should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` definition in Cargo.toml [INFO] [stderr] warning: failed to scan example "daytime2_a_synchronous_tcp_daytime_server" in package `rust_asio` for example code usage [INFO] [stderr] Try running with `--verbose` to see the error message. [INFO] [stderr] If an example should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` definition in Cargo.toml [INFO] [stderr] warning: `rust_asio` (example "daytime7_a_combined_tcp_udp_asynchronous_daytime_server") generated 1 warning [INFO] [stderr] warning: `rust_asio` (example "daytime2_a_synchronous_tcp_daytime_server") generated 1 warning [INFO] [stderr] warning: failed to scan example "daytime5_a_synchronous_udp_daytime_server" in package `rust_asio` for example code usage [INFO] [stderr] Try running with `--verbose` to see the error message. [INFO] [stderr] If an example should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` definition in Cargo.toml [INFO] [stderr] warning: `rust_asio` (example "daytime5_a_synchronous_udp_daytime_server") generated 1 warning [INFO] [stderr] warning: failed to scan example "daytime6_an_asynchronous_udp_daytime_server" in package `rust_asio` for example code usage [INFO] [stderr] Try running with `--verbose` to see the error message. [INFO] [stderr] If an example should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` definition in Cargo.toml [INFO] [stderr] warning: `rust_asio` (example "daytime6_an_asynchronous_udp_daytime_server") generated 1 warning [INFO] [stderr] warning: failed to scan example "daytime4_a_synchronous_udp_daytime_client" in package `rust_asio` for example code usage [INFO] [stderr] Try running with `--verbose` to see the error message. [INFO] [stderr] If an example should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` definition in Cargo.toml [INFO] [stderr] warning: failed to scan example "daytime3_an_asynchronous_tcp_daytime_server" in package `rust_asio` for example code usage [INFO] [stderr] Try running with `--verbose` to see the error message. [INFO] [stderr] If an example should not be scanned, then consider adding `doc-scrape-examples = false` to its `[[example]]` definition in Cargo.toml [INFO] [stderr] warning: `rust_asio` (example "daytime3_an_asynchronous_tcp_daytime_server") generated 1 warning [INFO] [stderr] warning: `rust_asio` (example "daytime4_a_synchronous_udp_daytime_client") generated 1 warning [INFO] [stderr] Documenting rust_asio v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unexpected `cfg` condition value: `test` [INFO] [stderr] --> src/lib.rs:109:7 [INFO] [stderr] | [INFO] [stderr] 109 | #[cfg(feature = "test")] extern crate test; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: expected values for `feature` are: `context`, `default`, `epoll`, `kqueue`, `linux`, `macos`, `openssl`, `openssl-sys`, `pipe`, `signalfd`, `termios`, `timerfd`, and `windows` [INFO] [stderr] = help: consider adding `test` as a feature in `Cargo.toml` [INFO] [stderr] = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration [INFO] [stderr] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/ip/addr.rs:189:9 [INFO] [stderr] | [INFO] [stderr] 189 | ((self.bytes[0] as i32 * 256 + self.bytes[1] as i32) * 256 + self.bytes[2] as i32) [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 189 - ((self.bytes[0] as i32 * 256 + self.bytes[1] as i32) * 256 + self.bytes[2] as i32) [INFO] [stderr] 189 + (self.bytes[0] as i32 * 256 + self.bytes[1] as i32) * 256 + self.bytes[2] as i32 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/ip/addr.rs:577:9 [INFO] [stderr] | [INFO] [stderr] 577 | (self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 && [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 580 | self.bytes[12] == 0 && self.bytes[13] == 0 && self.bytes[14] == 0 && self.bytes[15] == 1) [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 577 ~ self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 && [INFO] [stderr] 578 | self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 && [INFO] [stderr] 579 | self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0 && self.bytes[11] == 0 && [INFO] [stderr] 580 ~ self.bytes[12] == 0 && self.bytes[13] == 0 && self.bytes[14] == 0 && self.bytes[15] == 1 [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/ip/addr.rs:625:9 [INFO] [stderr] | [INFO] [stderr] 625 | (self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 && [INFO] [stderr] | ^ [INFO] [stderr] 626 | self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 && [INFO] [stderr] 627 | self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0xFF && self.bytes[11] == 0xFF) [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 625 ~ self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 && [INFO] [stderr] 626 | self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 && [INFO] [stderr] 627 ~ self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0xFF && self.bytes[11] == 0xFF [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/ip/addr.rs:632:9 [INFO] [stderr] | [INFO] [stderr] 632 | ((self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 && [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 636 | && (self.bytes[15] == 0 || self.bytes[15] == 1))) [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 632 ~ (self.bytes[0] == 0 && self.bytes[1] == 0 && self.bytes[2] == 0 && self.bytes[3] == 0 && [INFO] [stderr] 633 | self.bytes[4] == 0 && self.bytes[5] == 0 && self.bytes[6] == 0 && self.bytes[7] == 0 && [INFO] [stderr] 634 | self.bytes[8] == 0 && self.bytes[9] == 0 && self.bytes[10] == 0 && self.bytes[11] == 0) [INFO] [stderr] 635 | && !(self.bytes[12] == 0 && self.bytes[13] == 0 && self.bytes[14] == 0 [INFO] [stderr] 636 ~ && (self.bytes[15] == 0 || self.bytes[15] == 1)) [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `rust_asio` (lib doc) generated 5 warnings (run `cargo fix --lib -p rust_asio` to apply 4 suggestions) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.59s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.7.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/asyncio/index.html [INFO] running `Command { std: "docker" "inspect" "8e4c74c0891e158aff69adbee4649d701f5100520bf1d45fa99a8a72871e161e", kill_on_drop: false }`