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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.98.0-nightly (6368fd52c 2026-05-29)
# 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" "79c17272f1fee70c6bf5bd6cf14697319cd5131ab1da437ab4ecccbf51ef3ac7" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260529-1.98.0-nightly-6368fd52c\", \"--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 abe v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0277]: the trait bound `eval::ApplyResult<V>: std::ops::Residual<V>` is not satisfied [INFO] [stderr] --> src/eval.rs:314:21 [INFO] [stderr] | [INFO] [stderr] 314 | type Residual = ApplyResult<V>; [INFO] [stderr] | ^^^^^^^^^^^^^^ unsatisfied trait bound [INFO] [stderr] | [INFO] [stderr] help: the nightly-only, unstable trait `std::ops::Residual<V>` is not implemented for `eval::ApplyResult<V>` [INFO] [stderr] --> src/eval.rs:252:1 [INFO] [stderr] | [INFO] [stderr] 252 | pub enum ApplyResult<V=Vec<u8>> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] help: the following other types implement trait `std::ops::Residual<O>` [INFO] [stderr] --> /rustc/6368fd52cb9f230dfb156097625993e7a8891800/library/core/src/option.rs:2812:0 [INFO] [stderr] | [INFO] [stderr] = note: `std::option::Option<std::convert::Infallible>` implements `std::ops::Residual<T>` [INFO] [stderr] --> /rustc/6368fd52cb9f230dfb156097625993e7a8891800/library/core/src/ops/control_flow.rs:138:0 [INFO] [stderr] | [INFO] [stderr] = note: `std::ops::ControlFlow<B, std::convert::Infallible>` implements `std::ops::Residual<C>` [INFO] [stderr] --> /rustc/6368fd52cb9f230dfb156097625993e7a8891800/library/core/src/result.rs:2210:0 [INFO] [stderr] | [INFO] [stderr] = note: `std::result::Result<std::convert::Infallible, E>` implements `std::ops::Residual<T>` [INFO] [stderr] note: required by a bound in `std::ops::Try::Residual` [INFO] [stderr] --> /rustc/6368fd52cb9f230dfb156097625993e7a8891800/library/core/src/ops/try_trait.rs:160:4 [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: could not document `abe` [INFO] running `Command { std: "docker" "inspect" "79c17272f1fee70c6bf5bd6cf14697319cd5131ab1da437ab4ecccbf51ef3ac7", kill_on_drop: false }`