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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.99.0-nightly (d0babd8b6 2026-07-15)
# docs.rs version docsrs 0.0.0 (f1b150f0cd76f7cabcd39e1f4790ba771b28b5c4 2026-07-19 )
# 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" "0d1d6301a0c2bd05b86a7d09d32278a03940966730be05221ce6b30025146da5" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2026-07-16" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=html-non-static-files\", \"--resource-suffix\", \"-20260715-1.99.0-nightly-d0babd8b6\", \"--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] Checking mco v0.1.48 [INFO] [stderr] error[E0310]: the parameter type `T` may not live long enough [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mco-0.1.48/src/yield_now.rs:35:13 [INFO] [stderr] | [INFO] [stderr] 35 | let r = resource as &dyn EventSource as *const _ as *mut _; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | the parameter type `T` must be valid for the static lifetime... [INFO] [stderr] | ...so that the type `T` will meet its required lifetime bounds [INFO] [stderr] | [INFO] [stderr] help: consider adding an explicit lifetime bound [INFO] [stderr] | [INFO] [stderr] 21 | pub fn yield_with<T: EventSource + 'static>(resource: &T) { [INFO] [stderr] | +++++++++ [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0310`. [INFO] [stderr] error: could not compile `mco` (lib) due to 1 previous error [INFO] running `Command { std: "docker" "inspect" "0d1d6301a0c2bd05b86a7d09d32278a03940966730be05221ce6b30025146da5", kill_on_drop: false }`