# rustc version rustc 1.96.0-nightly (cf7da0b72 2026-03-30)
# docs.rs version docsrs 0.0.0 (da7690ee 2026-03-15 )
# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder/builds/rustpython-stdlib-0.5.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder/builds/rustpython-stdlib-0.5.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "6442450944" "--cpus" "6" "--user" "1001:1001" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--output-format\", \"json\", \"--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}/i686-pc-windows-msvc\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "i686-pc-windows-msvc", kill_on_drop: false }` [INFO] [stdout] ff9b8ca0abb5ba483aa2a7de15c7700146b64418887d03974abfa8e58b0c7f2a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ff9b8ca0abb5ba483aa2a7de15c7700146b64418887d03974abfa8e58b0c7f2a", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Checking malachite-nz v0.9.1 [INFO] [stderr] Checking unicode_names2 v2.0.0 [INFO] [stderr] Compiling libffi-sys v4.1.0 [INFO] [stderr] Checking unicode_names2 v1.3.0 [INFO] [stderr] Checking windows-sys v0.59.0 [INFO] [stderr] Checking windows-sys v0.60.2 [INFO] [stderr] warning: libffi-sys@4.1.0: GNU compiler is not supported for this target [INFO] [stderr] warning: libffi-sys@4.1.0: Pre-process ASM failed with exit status: 1 [INFO] [stderr] error: failed to run custom build command for `libffi-sys v4.1.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/libffi-sys-4e918be7c47c4cf1/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] OPT_LEVEL = Some(0) [INFO] [stderr] OUT_DIR = Some(/opt/rustwide/target/i686-pc-windows-msvc/debug/build/libffi-sys-cab9821f83fc4a48/out) [INFO] [stderr] TARGET = Some(i686-pc-windows-msvc) [INFO] [stderr] CARGO_ENCODED_RUSTFLAGS = Some() [INFO] [stderr] cargo:rerun-if-env-changed=VCINSTALLDIR [INFO] [stderr] VCINSTALLDIR = None [INFO] [stderr] HOST = Some(x86_64-unknown-linux-gnu) [INFO] [stderr] cargo:rerun-if-env-changed=CC_i686-pc-windows-msvc [INFO] [stderr] CC_i686-pc-windows-msvc = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_i686_pc_windows_msvc [INFO] [stderr] CC_i686_pc_windows_msvc = None [INFO] [stderr] cargo:rerun-if-env-changed=TARGET_CC [INFO] [stderr] TARGET_CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CC [INFO] [stderr] CC = None [INFO] [stderr] cargo:rerun-if-env-changed=CROSS_COMPILE [INFO] [stderr] CROSS_COMPILE = None [INFO] [stderr] RUSTC_LINKER = None [INFO] [stderr] cargo:rerun-if-env-changed=CC_ENABLE_DEBUG_OUTPUT [INFO] [stderr] RUSTC_WRAPPER = None [INFO] [stderr] cargo:warning=GNU compiler is not supported for this target [INFO] [stderr] cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS [INFO] [stderr] CRATE_CC_NO_DEFAULTS = None [INFO] [stderr] DEBUG = Some(true) [INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some(fxsr,sse,sse2,x87) [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS [INFO] [stderr] CFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=TARGET_CFLAGS [INFO] [stderr] TARGET_CFLAGS = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_i686_pc_windows_msvc [INFO] [stderr] CFLAGS_i686_pc_windows_msvc = None [INFO] [stderr] cargo:rerun-if-env-changed=CFLAGS_i686-pc-windows-msvc [INFO] [stderr] CFLAGS_i686-pc-windows-msvc = None [INFO] [stderr] cargo:warning=Pre-process ASM failed with exit status: 1 [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] libffi/src/x86/sysv_intel.S: Assembler messages: [INFO] [stderr] libffi/src/x86/sysv_intel.S:998: Error: no such instruction: `end' [INFO] [stderr] [INFO] [stderr] thread 'main' (20) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libffi-sys-4.1.0/build/msvc.rs:93:5: [INFO] [stderr] Pre-process ASM: exit status: 1 (LC_ALL="C" "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-g" "-fno-omit-frame-pointer" "-m32" "-I" "libffi" "-I" "libffi/include" "-I" "libffi/src/x86" "-I" "include/msvc/x86" "-Wall" "-Wextra" "/EP" "libffi/src/x86/sysv_intel.S") [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" "ff9b8ca0abb5ba483aa2a7de15c7700146b64418887d03974abfa8e58b0c7f2a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff9b8ca0abb5ba483aa2a7de15c7700146b64418887d03974abfa8e58b0c7f2a", kill_on_drop: false }` [INFO] [stdout] ff9b8ca0abb5ba483aa2a7de15c7700146b64418887d03974abfa8e58b0c7f2a