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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.98.0-nightly (beae78130 2026-06-09)
# docs.rs version docsrs 0.0.0 (39849b9c22c419f6b690c8d2213455bc7426a6b8 2026-06-03 )
# 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" "b44a2aebe69ed3acfadc022b3899dfd7d6704070cd9025e0d0438fb685bbfdfe" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260609-1.98.0-nightly-beae78130\", \"--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] Checking aws-lc-rs v1.17.0 [INFO] [stderr] Checking wry v0.54.4 [INFO] [stderr] Compiling toolkit-zero v5.11.1 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `toolkit-zero v5.11.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/toolkit-zero-5a8a6183d7925aa4/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo::rustc-check-cfg=cfg(has_app_icon) [INFO] [stderr] cargo:rerun-if-changed=assets/browser-index.html [INFO] [stderr] cargo:rerun-if-changed=assets/app-icon.png [INFO] [stderr] cargo:rustc-cfg=has_app_icon [INFO] [stderr] cargo:rerun-if-changed=/opt/rustwide/cargo-home/toolchain-cache/x86_64-unknown-linux-gnu/stable/toolchain.tar.xz [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (11841) panicked at build.rs:97:26: [INFO] [stderr] compiler feature: failed to create toolchain cache dir: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stderr] note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "b44a2aebe69ed3acfadc022b3899dfd7d6704070cd9025e0d0438fb685bbfdfe", kill_on_drop: false }`