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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.100.0-nightly (574ff7d98 2026-09-14)
# docs.rs version docsrs 0.0.0 (6fedf0f5e748abb9096cc2e8dae3c697ffb0725a 2026-09-14 )
# 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" "19459a06bde9e2eb260e00e73b22fb69f526698cdf1d67f46fdb6c3c8cc726bb" "/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\", \"-20260914-1.100.0-nightly-574ff7d98\", \"--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: Rustdoc did not scrape the following examples because they require dev-dependencies: profuse_business_test_harness, profuse_programming_surface [INFO] [stderr] If you want Rustdoc to scrape these examples, then add `doc-scrape-examples = true` [INFO] [stderr] to the [[example]] target configuration of at least one example. [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking h2 v0.4.19 [INFO] [stderr] Checking rustls v0.23.45 [INFO] [stderr] Checking saddle-admission v0.3.21 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Compiling saddle-boundary v0.3.21 [INFO] [stderr] error: failed to run custom build command for `saddle-boundary v0.3.21` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/saddle-boundary/3f8b40ab761d0a0b/out/build_script_build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=proto/saddle/profusecontract/v1/boundary.proto [INFO] [stderr] cargo:rerun-if-changed=proto/saddle/profusecontract/external_function.proto [INFO] [stderr] cargo:rerun-if-changed=proto/saddle/profusecontract/v1/boundary.proto [INFO] [stderr] cargo:rerun-if-changed=proto/saddle/profusecontract/external_function.proto [INFO] [stderr] cargo:rerun-if-changed=proto [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (3534) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/saddle-boundary-0.3.21/build.rs:20:10: [INFO] [stderr] compile Saddle boundary protocol: Custom { kind: Other, error: "protoc failed: proto/saddle-boundary-descriptor.bin: Read-only file system\n" } [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" "19459a06bde9e2eb260e00e73b22fb69f526698cdf1d67f46fdb6c3c8cc726bb", kill_on_drop: false }`