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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# 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" "9e348c66b7f28ba608e57c271dc006cf967e57a23e8170c2c16bffd540752080" "/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: `sem` (manifest) generated 1 warning [INFO] [stderr] Checking sem v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: failed to check lib in package `sem` as a prerequisite for scraping examples from: example "lock_and_unlock" [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: `sem` (lib) generated 1 warning [INFO] [stderr] Scraping sem v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: failed to scan example "lock_and_unlock" in package `sem` 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: `sem` (example "lock_and_unlock") generated 1 warning [INFO] [stderr] Documenting sem v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: missing fragment specifier [INFO] [stderr] --> src/macros.rs:121:17 [INFO] [stderr] | [INFO] [stderr] 121 | ($id: expr, $index) => ({ [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: fragment specifiers must be provided [INFO] [stderr] = help: valid fragment specifiers are `ident`, `block`, `stmt`, `expr`, `pat`, `ty`, `lifetime`, `literal`, `path`, `meta`, `tt`, `item` and `vis`, along with `expr_2021` and `pat_param` for edition compatibility [INFO] [stderr] help: try adding a specifier here [INFO] [stderr] | [INFO] [stderr] 121 | ($id: expr, $index:spec) => ({ [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] error: missing fragment specifier [INFO] [stderr] --> src/macros.rs:136:17 [INFO] [stderr] | [INFO] [stderr] 136 | ($id: expr, $index) => ({ [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: fragment specifiers must be provided [INFO] [stderr] = help: valid fragment specifiers are `ident`, `block`, `stmt`, `expr`, `pat`, `ty`, `lifetime`, `literal`, `path`, `meta`, `tt`, `item` and `vis`, along with `expr_2021` and `pat_param` for edition compatibility [INFO] [stderr] help: try adding a specifier here [INFO] [stderr] | [INFO] [stderr] 136 | ($id: expr, $index:spec) => ({ [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/ffi.rs:58:1 [INFO] [stderr] | [INFO] [stderr] 58 | / /// The `C` extern is list of libc functions required [INFO] [stderr] 59 | | /// by the project. [INFO] [stderr] | |___________________^ [INFO] [stderr] ... [INFO] [stderr] 62 | / extern "C" { [INFO] [stderr] 63 | | pub fn ftok(path: *mut i8, id: i32) -> i64; [INFO] [stderr] 64 | | pub fn semget(key: u32, nsems: i32, semflg: i32) -> i32; [INFO] [stderr] 65 | | pub fn semop(semid: i32, sops: *mut SemBuf, nsops: u64) -> i32; [INFO] [stderr] 66 | | pub fn semctl(semid: i32, semnum: i32, cmd: i32, arg: i32) -> i32; [INFO] [stderr] 67 | | } [INFO] [stderr] | |_- rustdoc does not generate documentation for extern blocks [INFO] [stderr] | [INFO] [stderr] = help: use `//` for a plain comment [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `sem` (lib doc) generated 1 warning [INFO] [stderr] error: could not document `sem` [INFO] running `Command { std: "docker" "inspect" "9e348c66b7f28ba608e57c271dc006cf967e57a23e8170c2c16bffd540752080", kill_on_drop: false }`