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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.100.0-nightly (5a2be9f5f 2026-09-06)
# docs.rs version docsrs 0.0.0 (c6ca30c0fecf66cc5a0859ac541222ca6c912d59 2026-09-01 )
# 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" "39a2cf82477da43e0f1d9c3951c4733d0c1e7e73e8963d30c0e4a6b717c51391" "/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\", \"-20260906-1.100.0-nightly-5a2be9f5f\", \"--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: explicit `package.readme` can be inferred [INFO] [stderr] --> Cargo.toml:154:1 [INFO] [stderr] | [INFO] [stderr] 154 | readme = "README.md" [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `cargo::manual_readme` is set to `warn` by default [INFO] [stderr] help: consider removing `package.readme` [INFO] [stderr] warning: `concinnity-dev` (manifest) generated 1 warning [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Compiling concinnity-device v0.19.23 [INFO] [stderr] error: failed to run custom build command for `concinnity-device v0.19.23` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/concinnity-device/dcacc779c395188a/out/build_script_build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo::rustc-check-cfg=cfg(backend_metal) [INFO] [stderr] cargo::rustc-check-cfg=cfg(backend_dx) [INFO] [stderr] cargo::rustc-check-cfg=cfg(backend_vk) [INFO] [stderr] cargo::rustc-check-cfg=cfg(agility_sdk_configured) [INFO] [stderr] cargo::rustc-check-cfg=cfg(ffx_sdk_bundled) [INFO] [stderr] cargo::rustc-check-cfg=cfg(xess_sdk_bundled) [INFO] [stderr] cargo::rustc-check-cfg=cfg(ngx_sdk_bundled) [INFO] [stderr] cargo::rustc-check-cfg=cfg(dxc_bundled) [INFO] [stderr] cargo::rustc-cfg=backend_vk [INFO] [stderr] cargo::rerun-if-changed=/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/concinnity-device-0.19.23/Cargo.toml [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (5535) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/concinnity-toolchain-0.19.23/src/embedded_shaders.rs:18:5: [INFO] [stderr] slangc not found: the engine's single-source shaders need the Slang compiler. Install a Slang release 2026.16 or newer (https://github.com/shader-slang/slang/releases) and either put its `slangc` first on PATH or point CN_SLANG_SDK at it. A Vulkan SDK install is also searched under $VULKAN_SDK/bin, but its bundled slangc is often older than this floor on Linux -- check `slangc -version` before relying on it. [INFO] [stderr] [INFO] [stderr] The engine's shaders are compiled into the binary at build time, and this build would carry none: every backend would compile them at device init instead, which needs slangc on whatever host runs the binary. In a checkout, `scripts/vendor.py fetch slang` installs the pinned release. [INFO] [stderr] note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace [INFO] running `Command { std: "docker" "inspect" "39a2cf82477da43e0f1d9c3951c4733d0c1e7e73e8963d30c0e4a6b717c51391", kill_on_drop: false }`