# 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/builds/rustpython-jit-0.5.0/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace/builds/rustpython-jit-0.5.0/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace/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\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260330-1.96.0-nightly-cf7da0b72\", \"--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}/aarch64-unknown-linux-gnu\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "aarch64-unknown-linux-gnu", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0d04f3bf5864442b2f3aae3ca09452a73eea97bd57b4ef7d876f2b3986db96f4 [INFO] running `Command { std: "docker" "start" "-a" "0d04f3bf5864442b2f3aae3ca09452a73eea97bd57b4ef7d876f2b3986db96f4", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Compiling libffi-sys v4.1.0 [INFO] [stderr] Checking cranelift-module v0.130.0 [INFO] [stderr] Checking malachite-bigint v0.9.1 [INFO] [stderr] Checking cranelift-native v0.130.0 [INFO] [stderr] Checking cranelift-frontend v0.130.0 [INFO] [stderr] Checking cranelift-jit v0.130.0 [INFO] [stderr] Checking cranelift v0.130.0 [INFO] [stderr] warning: libffi-sys@4.1.0: Compiler family detection failed due to error: ToolNotFound: failed to find tool "aarch64-linux-gnu-gcc": No such file or directory (os error 2) [INFO] [stderr] warning: libffi-sys@4.1.0: Configuring libffi failed with exit status: 77 [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-079eae71073f7f1e/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:warning=Compiler family detection failed due to error: ToolNotFound: failed to find tool "aarch64-linux-gnu-gcc": No such file or directory (os error 2) [INFO] [stderr] checking build system type... x86_64-pc-linux-gnu [INFO] [stderr] checking host system type... aarch64-unknown-linux-gnu [INFO] [stderr] checking target system type... aarch64-unknown-linux-gnu [INFO] [stderr] continue configure in default builddir "./aarch64-unknown-linux-gnu" [INFO] [stderr] ....exec /bin/bash .././configure "--srcdir=.." "--enable-builddir=aarch64-unknown-linux-gnu" "linux [INFO] [stderr] gnu" [INFO] [stderr] checking build system type... x86_64-pc-linux-gnu [INFO] [stderr] checking host system type... aarch64-unknown-linux-gnu [INFO] [stderr] checking target system type... aarch64-unknown-linux-gnu [INFO] [stderr] checking for gsed... sed [INFO] [stderr] checking for a BSD-compatible install... /usr/bin/install -c [INFO] [stderr] checking whether sleep supports fractional seconds... yes [INFO] [stderr] checking filesystem timestamp resolution... 0.01 [INFO] [stderr] checking whether build environment is sane... yes [INFO] [stderr] checking for aarch64-unknown-linux-gnu-strip... no [INFO] [stderr] checking for strip... strip [INFO] [stderr] checking for a race-free mkdir -p... /usr/bin/mkdir -p [INFO] [stderr] checking for gawk... no [INFO] [stderr] checking for mawk... mawk [INFO] [stderr] checking whether make sets $(MAKE)... yes [INFO] [stderr] checking whether make supports nested variables... yes [INFO] [stderr] checking xargs -n works... yes [INFO] [stderr] checking for aarch64-unknown-linux-gnu-gcc... aarch64-linux-gnu-gcc [INFO] [stderr] checking whether the C compiler works... no [INFO] [stderr] cargo:warning=Configuring libffi failed with exit status: 77 [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] configure: error: in '/opt/rustwide/target/aarch64-unknown-linux-gnu/debug/build/libffi-sys-e2caa0752fa96110/out/libffi-build/aarch64-unknown-linux-gnu': [INFO] [stderr] configure: error: C compiler cannot create executables [INFO] [stderr] See 'config.log' for more details [INFO] [stderr] [INFO] [stderr] thread 'main' (15) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libffi-sys-4.1.0/build/not_msvc.rs:155:5: [INFO] [stderr] Configuring libffi: exit status: 77 (cd "/opt/rustwide/target/aarch64-unknown-linux-gnu/debug/build/libffi-sys-e2caa0752fa96110/out/libffi-build" && CC="aarch64-linux-gnu-gcc" CFLAGS="-O0 -ffunction-sections -fdata-sections -fPIC -g -gdwarf-4 -fno-omit-frame-pointer -w" LC_ALL="C" "sh" "./configure" "--with-pic" "--disable-shared" "--disable-docs" "--host=aarch64-unknown-linux-gnu" "--prefix" "/opt/rustwide/target/aarch64-unknown-linux-gnu/debug/build/libffi-sys-e2caa0752fa96110/out/libffi-root") [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" "0d04f3bf5864442b2f3aae3ca09452a73eea97bd57b4ef7d876f2b3986db96f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d04f3bf5864442b2f3aae3ca09452a73eea97bd57b4ef7d876f2b3986db96f4", kill_on_drop: false }` [INFO] [stdout] 0d04f3bf5864442b2f3aae3ca09452a73eea97bd57b4ef7d876f2b3986db96f4