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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.98.0-nightly (cced03bfd 2026-05-28)
# 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" "425402c12171a1d34e2041ce89010ee92648cf753b0a599967201d4b2958deff" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260528-1.98.0-nightly-cced03bfd\", \"--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 zerofrom v0.1.8 [INFO] [stderr] Checking gen-iter v0.3.0 [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gen-iter-0.3.0/src/lib.rs:60:12 [INFO] [stderr] | [INFO] [stderr] 60 | #![feature(generators, generator_trait)] [INFO] [stderr] | ^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: removed in 1.75.0; see <https://github.com/rust-lang/rust/pull/116958> for more information [INFO] [stderr] = note: renamed to `coroutines` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gen-iter-0.3.0/src/gen_iter.rs:1:17 [INFO] [stderr] | [INFO] [stderr] 1 | use core::ops::{Generator, GeneratorState}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^^ no `GeneratorState` in `ops` [INFO] [stderr] | | [INFO] [stderr] | no `Generator` in `ops` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gen-iter-0.3.0/src/gen_iter_return.rs:1:17 [INFO] [stderr] | [INFO] [stderr] 1 | use core::ops::{Generator, GeneratorState}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^^^^^^^ no `GeneratorState` in `ops` [INFO] [stderr] | | [INFO] [stderr] | no `Generator` in `ops` [INFO] [stderr] [INFO] [stderr] error[E0658]: yield syntax is experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gen-iter-0.3.0/src/gen_iter.rs:86:13 [INFO] [stderr] | [INFO] [stderr] 86 | yield 1; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information [INFO] [stderr] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-28; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: yield syntax is experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gen-iter-0.3.0/src/gen_iter.rs:87:13 [INFO] [stderr] | [INFO] [stderr] 87 | yield 2; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information [INFO] [stderr] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-28; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: yield syntax is experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gen-iter-0.3.0/src/gen_iter_return.rs:110:13 [INFO] [stderr] | [INFO] [stderr] 110 | yield 1; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information [INFO] [stderr] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-28; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0658]: yield syntax is experimental [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gen-iter-0.3.0/src/gen_iter_return.rs:133:13 [INFO] [stderr] | [INFO] [stderr] 133 | yield 1; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information [INFO] [stderr] = help: add `#![feature(yield_expr)]` to the crate attributes to enable [INFO] [stderr] = note: this compiler was built on 2026-05-28; consider upgrading it if it is out of date [INFO] [stderr] [INFO] [stderr] error[E0635]: unknown feature `generator_trait` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/gen-iter-0.3.0/src/lib.rs:60:24 [INFO] [stderr] | [INFO] [stderr] 60 | #![feature(generators, generator_trait)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0557, E0635, E0658. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `gen-iter` (lib) due to 8 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "425402c12171a1d34e2041ce89010ee92648cf753b0a599967201d4b2958deff", kill_on_drop: false }`