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# rustc version rustc 1.94.0-nightly (f6a07efc8 2026-01-16)
# docs.rs version docsrs 0.1.0 (70ee01e6 2026-01-16 )
# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder/builds/voidio-0.1.14/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder/builds/voidio-0.1.14/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "6442450944" "--cpus" "6" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260116-1.94.0-nightly-f6a07efc8\", \"--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: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a79b90f86e13699cf852ac5fb82cd6110eb52186aacfd32a9ac3d3b919a08f65 [INFO] running `Command { std: "docker" "start" "-a" "a79b90f86e13699cf852ac5fb82cd6110eb52186aacfd32a9ac3d3b919a08f65", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting voidio v0.1.14 (/opt/rustwide/workdir) [INFO] [stderr] error: cannot find macro `dprintln` in this scope [INFO] [stderr] --> src/net/udp/server/modes/popmany/mod.rs:29:21 [INFO] [stderr] | [INFO] [stderr] 29 | dprintln!(self, "Error receiving data: {e}"); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] --> /rustc/f6a07efc81e4b5a9166884f50c2cb1686009c3fd/library/std/src/macros.rs:216:0 [INFO] [stderr] | [INFO] [stderr] = note: similarly named macro `eprintln` defined here [INFO] [stderr] | [INFO] [stderr] = help: have you added the `#[macro_use]` on the module/import? [INFO] [stderr] help: a macro with a similar name exists [INFO] [stderr] | [INFO] [stderr] 29 - dprintln!(self, "Error receiving data: {e}"); [INFO] [stderr] 29 + eprintln!(self, "Error receiving data: {e}"); [INFO] [stderr] | [INFO] [stderr] help: consider importing this macro through its public re-export [INFO] [stderr] | [INFO] [stderr] 1 + use crate::dprintln; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/console/sender.rs:76:20 [INFO] [stderr] | [INFO] [stderr] 76 | if (found_marker) { [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] 76 - if (found_marker) { [INFO] [stderr] 76 + if found_marker { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/console/sender.rs:143:16 [INFO] [stderr] | [INFO] [stderr] 143 | if (!part.is_message_marker()) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 143 - if (!part.is_message_marker()) { [INFO] [stderr] 143 + if !part.is_message_marker() { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied [INFO] [stderr] --> src/net/core/utils.rs:119:84 [INFO] [stderr] | [INFO] [stderr] 119 | pub fn xmmap(addr: &mut [u8], prot: i32, flags: i32, sock: Socket, offset: u32) -> Result<usize> { [INFO] [stderr] | ^^^^^^ ----- supplied 1 generic argument [INFO] [stderr] | | [INFO] [stderr] | expected 2 generic arguments [INFO] [stderr] | [INFO] [stderr] help: add missing generic argument [INFO] [stderr] | [INFO] [stderr] 119 | pub fn xmmap(addr: &mut [u8], prot: i32, flags: i32, sock: Socket, offset: u32) -> Result<usize, E> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied [INFO] [stderr] --> src/net/core/utils.rs:139:51 [INFO] [stderr] | [INFO] [stderr] 139 | pub fn xmunmap(addr: &mut [u8], length: usize) -> Result<usize> { [INFO] [stderr] | ^^^^^^ ----- supplied 1 generic argument [INFO] [stderr] | | [INFO] [stderr] | expected 2 generic arguments [INFO] [stderr] | [INFO] [stderr] help: add missing generic argument [INFO] [stderr] | [INFO] [stderr] 139 | pub fn xmunmap(addr: &mut [u8], length: usize) -> Result<usize, E> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied [INFO] [stderr] --> src/net/core/utils.rs:264:107 [INFO] [stderr] | [INFO] [stderr] 264 | pub fn unix_recvmmsg(sock: Socket, msgvec: &mut [Mmsghdr], flags: i32, timeout: Option<&mut Timespec>) -> Result<usize> { [INFO] [stderr] | ^^^^^^ ----- supplied 1 generic argument [INFO] [stderr] | | [INFO] [stderr] | expected 2 generic arguments [INFO] [stderr] | [INFO] [stderr] help: add missing generic argument [INFO] [stderr] | [INFO] [stderr] 264 | pub fn unix_recvmmsg(sock: Socket, msgvec: &mut [Mmsghdr], flags: i32, timeout: Option<&mut Timespec>) -> Result<usize, E> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0107`. [INFO] [stderr] warning: `voidio` (lib doc) generated 2 warnings [INFO] [stderr] error: could not document `voidio` [INFO] running `Command { std: "docker" "inspect" "a79b90f86e13699cf852ac5fb82cd6110eb52186aacfd32a9ac3d3b919a08f65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a79b90f86e13699cf852ac5fb82cd6110eb52186aacfd32a9ac3d3b919a08f65", kill_on_drop: false }` [INFO] [stdout] a79b90f86e13699cf852ac5fb82cd6110eb52186aacfd32a9ac3d3b919a08f65