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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.100.0-nightly (e457a7b0d 2026-08-27)
# docs.rs version docsrs 0.0.0 (6c3c2ab33f39d2284fd26cea84fae0598b4cbd55 2026-08-24 )
# 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" "66bf7d9b8ff76179dcf109dc4c26952931dd4dc7344974e3c88ec597768ca13e" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=html-non-static-files\", \"--resource-suffix\", \"-20260827-1.100.0-nightly-e457a7b0d\", \"--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\"" "-j12" "--target" "x86_64-unknown-linux-gnu" "-Zrustdoc-scrape-examples", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Checking ra-ap-rustc_serialize v0.28.0 [INFO] [stderr] Checking ra-ap-rustc_arena v0.28.0 [INFO] [stderr] Compiling ra-ap-rustc_macros v0.28.0 [INFO] [stderr] error[E0425]: cannot find function `invalid_mut` in module `ptr` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_arena-0.28.0/src/lib.rs:100:22 [INFO] [stderr] | [INFO] [stderr] 100 | ptr::invalid_mut(!0) [INFO] [stderr] | ^^^^^^^^^^^ not found in `ptr` [INFO] [stderr] [INFO] [stderr] error[E0539]: malformed `rustc_macro_transparency` attribute input [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_arena-0.28.0/src/lib.rs:595:3 [INFO] [stderr] | [INFO] [stderr] 595 | #[rustc_macro_transparency = "semitransparent"] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^----------------- [INFO] [stderr] | | [INFO] [stderr] | valid arguments are "transparent", "semiopaque" or "opaque" [INFO] [stderr] | [INFO] [stderr] help: try changing it to one of the following valid forms of the attribute [INFO] [stderr] | [INFO] [stderr] 595 - #[rustc_macro_transparency = "semitransparent"] [INFO] [stderr] 595 + #[rustc_macro_transparency = "opaque"] [INFO] [stderr] | [INFO] [stderr] 595 - #[rustc_macro_transparency = "semitransparent"] [INFO] [stderr] 595 + #[rustc_macro_transparency = "semiopaque"] [INFO] [stderr] | [INFO] [stderr] 595 - #[rustc_macro_transparency = "semitransparent"] [INFO] [stderr] 595 + #[rustc_macro_transparency = "transparent"] [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] error: let chains are only allowed in Rust 2024 or later [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_macros-0.28.0/src/diagnostics/subdiagnostic.rs:579:24 [INFO] [stderr] | [INFO] [stderr] 579 | if let Some(span) = span_field [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: let chains are only allowed in Rust 2024 or later [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_macros-0.28.0/src/symbols.rs:89:24 [INFO] [stderr] | [INFO] [stderr] 89 | && let Ok(lit) = expr.mac.parse_body() [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no associated function or constant named `slice_assume_init_mut` found for union `MaybeUninit<T>` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_arena-0.28.0/src/lib.rs:83:49 [INFO] [stderr] | [INFO] [stderr] 83 | ptr::drop_in_place(MaybeUninit::slice_assume_init_mut(&mut slice[..len])); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ associated function or constant not found in `MaybeUninit<_>` [INFO] [stderr] | [INFO] [stderr] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions: [INFO] [stderr] MaybeUninit::<T>::new [INFO] [stderr] MaybeUninit::<T>::uninit [INFO] [stderr] MaybeUninit::<T>::zeroed [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/maybe_uninit.rs:406:5 [INFO] [stderr] | [INFO] [stderr] 406 | pub const fn new(val: T) -> MaybeUninit<T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 429 | pub const fn uninit() -> MaybeUninit<T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 480 | pub const fn zeroed() -> MaybeUninit<T> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] help: there is a method `assume_init_mut` with a similar name, but with different arguments [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/maybe_uninit.rs:1011:5 [INFO] [stderr] | [INFO] [stderr] 1011 | pub const unsafe fn assume_init_mut(&mut self) -> &mut T { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `sub_ptr` found for raw pointer `*const u8` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_serialize-0.28.0/src/opaque.rs:274:27 [INFO] [stderr] | [INFO] [stderr] 274 | unsafe { self.end.sub_ptr(self.start) } [INFO] [stderr] | ^^^^^^^ method not found in `*const u8` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `sub_ptr` found for raw pointer `*const u8` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_serialize-0.28.0/src/opaque.rs:280:27 [INFO] [stderr] | [INFO] [stderr] 280 | unsafe { self.end.sub_ptr(self.current) } [INFO] [stderr] | ^^^^^^^ method not found in `*const u8` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `sub_ptr` found for raw pointer `*const u8` in the current scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_serialize-0.28.0/src/opaque.rs:394:31 [INFO] [stderr] | [INFO] [stderr] 394 | unsafe { self.current.sub_ptr(self.start) } [INFO] [stderr] | ^^^^^^^ method not found in `*const u8` [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0539, E0599. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `ra-ap-rustc_arena` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: could not compile `ra-ap-rustc_serialize` (lib) due to 3 previous errors [INFO] [stderr] error[E0433]: cannot find `tracked_env` in `proc_macro` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_macros-0.28.0/src/current_version.rs:25:33 [INFO] [stderr] | [INFO] [stderr] 25 | let value = proc_macro::tracked_env::var(env_var)?; [INFO] [stderr] | ^^^^^^^^^^^ could not find `tracked_env` in `proc_macro` [INFO] [stderr] [INFO] [stderr] error[E0433]: cannot find `tracked_env` in `proc_macro` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_macros-0.28.0/src/symbols.rs:272:39 [INFO] [stderr] | [INFO] [stderr] 272 | let value = match proc_macro::tracked_env::var(env_var.value()) { [INFO] [stderr] | ^^^^^^^^^^^ could not find `tracked_env` in `proc_macro` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_macros-0.28.0/src/symbols.rs:272:13 [INFO] [stderr] | [INFO] [stderr] 272 | let value = match proc_macro::tracked_env::var(env_var.value()) { [INFO] [stderr] | ^^^^^ doesn't have a size known at compile-time [INFO] [stderr] | [INFO] [stderr] = help: the trait `Sized` is not implemented for `str` [INFO] [stderr] = note: all local variables must have a statically known size [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_macros-0.28.0/src/symbols.rs:273:16 [INFO] [stderr] | [INFO] [stderr] 273 | Ok(value) => value, [INFO] [stderr] | ^^^^^ doesn't have a size known at compile-time [INFO] [stderr] | [INFO] [stderr] = help: the trait `Sized` is not implemented for `str` [INFO] [stderr] = note: all local variables must have a statically known size [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `str` cannot be known at compilation time [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ra-ap-rustc_macros-0.28.0/src/symbols.rs:273:13 [INFO] [stderr] | [INFO] [stderr] 273 | Ok(value) => value, [INFO] [stderr] | ^^^^^^^^^ doesn't have a size known at compile-time [INFO] [stderr] | [INFO] [stderr] = help: the trait `Sized` is not implemented for `str` [INFO] [stderr] note: required by a bound in `Ok` [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/result.rs:558:17 [INFO] [stderr] | [INFO] [stderr] 558 | pub enum Result<T, E> { [INFO] [stderr] | ^ required by this bound in `Ok` [INFO] [stderr] ... [INFO] [stderr] 562 | Ok(#[stable(feature = "rust1", since = "1.0.0")] T), [INFO] [stderr] | -- required by a bound in this tuple variant [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0433. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `ra-ap-rustc_macros` (lib) due to 7 previous errors [INFO] running `Command { std: "docker" "inspect" "66bf7d9b8ff76179dcf109dc4c26952931dd4dc7344974e3c88ec597768ca13e", kill_on_drop: false }`