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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.99.0-nightly (14cae6813 2026-07-08)
# docs.rs version docsrs 0.0.0 (964c90a45859fd8f9076e3cbe58470a5a4f4d4f7 2026-07-01 )
# 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" "c1cd0e3955341c91c303883b131dc28ee72882bdbccbb595d1d393581dacfe5b" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260708-1.99.0-nightly-14cae6813\", \"--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 concise_vec v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] error: expected a trait, found type [INFO] [stderr] --> src/aligner.rs:8:6 [INFO] [stderr] | [INFO] [stderr] 8 | impl const AlignTyProvider<true> for () { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected a trait, found type [INFO] [stderr] --> src/concise_vec.rs:57:3 [INFO] [stderr] | [INFO] [stderr] 57 | > const Default for ConciseVec<T, LenTy, BYTE_CAP, HEAP_ALLOWED> [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected a trait, found type [INFO] [stderr] --> src/heap_strategy_provider.rs:14:33 [INFO] [stderr] | [INFO] [stderr] 14 | impl<LenTy: const ProvideLenTy> const LenStrategy<LenTy> for HeapDisabled { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected a trait, found type [INFO] [stderr] --> src/lenty_provide.rs:42:18 [INFO] [stderr] | [INFO] [stderr] 42 | impl const ProvideLenTy for $Type { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 65 | impl_provide_lenty!(u8, u16, u32, u64, u128, usize); [INFO] [stderr] | --------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in the macro `impl_provide_lenty` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: expected a trait, found type [INFO] [stderr] --> src/lenty_provide.rs:137:22 [INFO] [stderr] | [INFO] [stderr] 137 | impl const ConstPrimOps for $Type {} [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 147 | impl_const_num_ops!(u8, u16, u32, u64, u128, usize); [INFO] [stderr] | --------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in the macro `impl_const_num_ops` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: could not document `concise_vec` [INFO] running `Command { std: "docker" "inspect" "c1cd0e3955341c91c303883b131dc28ee72882bdbccbb595d1d393581dacfe5b", kill_on_drop: false }`