# rustc version rustc 1.98.0-nightly (d595fce01 2026-06-02)
# docs.rs version docsrs 0.0.0 (f16e33f3e6ac9fc9e4413728c5dd1b2ba1c6b799 2026-05-23 )
# 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" "aef2fb060cb1d9e8adab77778aa5bbde86a35e3f3409ff26c19e0273195e84b1" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "libc example doccfg" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260602-1.98.0-nightly-d595fce01\", \"--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: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting printf-wrap v0.2.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unexpected `cfg` condition value: `8` [INFO] [stderr] --> src/larger_of.rs:89:11 [INFO] [stderr] | [INFO] [stderr] 89 | @ cfg(target_pointer_width = "8") [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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] help: `8` is an expected value for `target_has_atomic` [INFO] [stderr] | [INFO] [stderr] 89 - @ cfg(target_pointer_width = "8") [INFO] [stderr] 89 + @ cfg(target_has_atomic = "8") [INFO] [stderr] | [INFO] [stderr] help: `8` is an expected value for `target_has_atomic_load_store` [INFO] [stderr] | [INFO] [stderr] 89 - @ cfg(target_pointer_width = "8") [INFO] [stderr] 89 + @ cfg(target_has_atomic_load_store = "8") [INFO] [stderr] | [INFO] [stderr] help: `8` is an expected value for `target_has_atomic_primitive_alignment` [INFO] [stderr] | [INFO] [stderr] 89 - @ cfg(target_pointer_width = "8") [INFO] [stderr] 89 + @ cfg(target_has_atomic_primitive_alignment = "8") [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `8` [INFO] [stderr] --> src/larger_of.rs:93:11 [INFO] [stderr] | [INFO] [stderr] 93 | @ cfg(target_pointer_width = "8") [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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] help: `8` is an expected value for `target_has_atomic` [INFO] [stderr] | [INFO] [stderr] 93 - @ cfg(target_pointer_width = "8") [INFO] [stderr] 93 + @ cfg(target_has_atomic = "8") [INFO] [stderr] | [INFO] [stderr] help: `8` is an expected value for `target_has_atomic_load_store` [INFO] [stderr] | [INFO] [stderr] 93 - @ cfg(target_pointer_width = "8") [INFO] [stderr] 93 + @ cfg(target_has_atomic_load_store = "8") [INFO] [stderr] | [INFO] [stderr] help: `8` is an expected value for `target_has_atomic_primitive_alignment` [INFO] [stderr] | [INFO] [stderr] 93 - @ cfg(target_pointer_width = "8") [INFO] [stderr] 93 + @ cfg(target_has_atomic_primitive_alignment = "8") [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `8` [INFO] [stderr] --> src/larger_of.rs:97:11 [INFO] [stderr] | [INFO] [stderr] 97 | @ cfg(target_pointer_width = "8") [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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] help: `8` is an expected value for `target_has_atomic` [INFO] [stderr] | [INFO] [stderr] 97 - @ cfg(target_pointer_width = "8") [INFO] [stderr] 97 + @ cfg(target_has_atomic = "8") [INFO] [stderr] | [INFO] [stderr] help: `8` is an expected value for `target_has_atomic_load_store` [INFO] [stderr] | [INFO] [stderr] 97 - @ cfg(target_pointer_width = "8") [INFO] [stderr] 97 + @ cfg(target_has_atomic_load_store = "8") [INFO] [stderr] | [INFO] [stderr] help: `8` is an expected value for `target_has_atomic_primitive_alignment` [INFO] [stderr] | [INFO] [stderr] 97 - @ cfg(target_pointer_width = "8") [INFO] [stderr] 97 + @ cfg(target_has_atomic_primitive_alignment = "8") [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `128` [INFO] [stderr] --> src/larger_of.rs:153:11 [INFO] [stderr] | [INFO] [stderr] 153 | @ cfg(target_pointer_width = "128") [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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] help: `128` is an expected value for `target_has_atomic` [INFO] [stderr] | [INFO] [stderr] 153 - @ cfg(target_pointer_width = "128") [INFO] [stderr] 153 + @ cfg(target_has_atomic = "128") [INFO] [stderr] | [INFO] [stderr] help: `128` is an expected value for `target_has_atomic_load_store` [INFO] [stderr] | [INFO] [stderr] 153 - @ cfg(target_pointer_width = "128") [INFO] [stderr] 153 + @ cfg(target_has_atomic_load_store = "128") [INFO] [stderr] | [INFO] [stderr] help: `128` is an expected value for `target_has_atomic_primitive_alignment` [INFO] [stderr] | [INFO] [stderr] 153 - @ cfg(target_pointer_width = "128") [INFO] [stderr] 153 + @ cfg(target_has_atomic_primitive_alignment = "128") [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `128` [INFO] [stderr] --> src/larger_of.rs:157:11 [INFO] [stderr] | [INFO] [stderr] 157 | @ cfg(target_pointer_width = "128") [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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] help: `128` is an expected value for `target_has_atomic` [INFO] [stderr] | [INFO] [stderr] 157 - @ cfg(target_pointer_width = "128") [INFO] [stderr] 157 + @ cfg(target_has_atomic = "128") [INFO] [stderr] | [INFO] [stderr] help: `128` is an expected value for `target_has_atomic_load_store` [INFO] [stderr] | [INFO] [stderr] 157 - @ cfg(target_pointer_width = "128") [INFO] [stderr] 157 + @ cfg(target_has_atomic_load_store = "128") [INFO] [stderr] | [INFO] [stderr] help: `128` is an expected value for `target_has_atomic_primitive_alignment` [INFO] [stderr] | [INFO] [stderr] 157 - @ cfg(target_pointer_width = "128") [INFO] [stderr] 157 + @ cfg(target_has_atomic_primitive_alignment = "128") [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unexpected `cfg` condition value: `128` [INFO] [stderr] --> src/larger_of.rs:161:11 [INFO] [stderr] | [INFO] [stderr] 161 | @ cfg(target_pointer_width = "128") [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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] help: `128` is an expected value for `target_has_atomic` [INFO] [stderr] | [INFO] [stderr] 161 - @ cfg(target_pointer_width = "128") [INFO] [stderr] 161 + @ cfg(target_has_atomic = "128") [INFO] [stderr] | [INFO] [stderr] help: `128` is an expected value for `target_has_atomic_load_store` [INFO] [stderr] | [INFO] [stderr] 161 - @ cfg(target_pointer_width = "128") [INFO] [stderr] 161 + @ cfg(target_has_atomic_load_store = "128") [INFO] [stderr] | [INFO] [stderr] help: `128` is an expected value for `target_has_atomic_primitive_alignment` [INFO] [stderr] | [INFO] [stderr] 161 - @ cfg(target_pointer_width = "128") [INFO] [stderr] 161 + @ cfg(target_has_atomic_primitive_alignment = "128") [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: lint `const_err` has been removed: converted into hard error, see issue #71800 <https://github.com/rust-lang/rust/issues/71800> for more information [INFO] [stderr] --> src/lib.rs:120:12 [INFO] [stderr] | [INFO] [stderr] 120 | #[deny(const_err)] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stderr] [INFO] [stderr] warning: redundant explicit link target [INFO] [stderr] --> src/lib.rs:104:14 [INFO] [stderr] | [INFO] [stderr] 104 | /// [`CStr`](core::ffi::CStr) or [`CString`](alloc::ffi::CString), [INFO] [stderr] | ------ ^^^^^^^^^^^^^^^ explicit target is redundant [INFO] [stderr] | | [INFO] [stderr] | because label contains path that resolves to same destination [INFO] [stderr] | [INFO] [stderr] = note: when a link's destination is not specified, [INFO] [stderr] the label is used to resolve intra-doc links [INFO] [stderr] = note: `#[warn(rustdoc::redundant_explicit_links)]` on by default [INFO] [stderr] help: remove explicit link target [INFO] [stderr] | [INFO] [stderr] 104 - /// [`CStr`](core::ffi::CStr) or [`CString`](alloc::ffi::CString), [INFO] [stderr] 104 + /// [`CStr`] or [`CString`](alloc::ffi::CString), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `printf-wrap` (lib doc) generated 8 warnings [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/printf_wrap/index.html [INFO] running `Command { std: "docker" "inspect" "aef2fb060cb1d9e8adab77778aa5bbde86a35e3f3409ff26c19e0273195e84b1", kill_on_drop: false }`