# rustc version rustc 1.96.0-nightly (38c0de8dc 2026-02-28)
# docs.rs version docsrs 0.0.0 (91dcccd9 2026-02-13 )
# build log [INFO] running `Command { std: "docker" "create" "-v" "/home/cratesfyi/workspace-builder3/builds/embly-wrapper-0.0.2/target:/opt/rustwide/target:rw,Z" "-v" "/home/cratesfyi/workspace-builder3/builds/embly-wrapper-0.0.2/source:/opt/rustwide/workdir:ro,Z" "-v" "/home/cratesfyi/workspace-builder3/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/home/cratesfyi/workspace-builder3/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260228-1.96.0-nightly-38c0de8dc\", \"--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] 2e8ed7f8b634054d9523668090d71fc7415968d059d85fd51d84279ba95d526d [INFO] running `Command { std: "docker" "start" "-a" "2e8ed7f8b634054d9523668090d71fc7415968d059d85fd51d84279ba95d526d", kill_on_drop: false }` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking getrandom v0.1.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] error: failed to run custom build command for `backtrace-sys v0.1.32` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/backtrace-sys-ec57908ef7ded31f/build-script-build` (exit status: 1) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rustc-cfg=rbt [INFO] [stderr] TARGET = Some("aarch64-unknown-linux-gnu") [INFO] [stderr] OPT_LEVEL = Some("0") [INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu") [INFO] [stderr] CC_aarch64-unknown-linux-gnu = None [INFO] [stderr] CC_aarch64_unknown_linux_gnu = None [INFO] [stderr] TARGET_CC = None [INFO] [stderr] CC = None [INFO] [stderr] CROSS_COMPILE = None [INFO] [stderr] CFLAGS_aarch64-unknown-linux-gnu = None [INFO] [stderr] CFLAGS_aarch64_unknown_linux_gnu = None [INFO] [stderr] TARGET_CFLAGS = None [INFO] [stderr] CFLAGS = None [INFO] [stderr] CRATE_CC_NO_DEFAULTS = None [INFO] [stderr] CARGO_CFG_TARGET_FEATURE = Some("neon,outline-atomics") [INFO] [stderr] running: "aarch64-linux-gnu-gcc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-I" "src/libbacktrace" "-I" "/opt/rustwide/target/aarch64-unknown-linux-gnu/debug/build/backtrace-sys-da156dbb2915bfc6/out" "-fvisibility=hidden" "-DBACKTRACE_ELF_SIZE=64" "-DBACKTRACE_SUPPORTED=1" "-DBACKTRACE_USES_MALLOC=1" "-DBACKTRACE_SUPPORTS_THREADS=0" "-DBACKTRACE_SUPPORTS_DATA=0" "-DHAVE_DL_ITERATE_PHDR=1" "-D_GNU_SOURCE=1" "-D_LARGE_FILES=1" "-Dbacktrace_full=__rbt_backtrace_full" "-Dbacktrace_dwarf_add=__rbt_backtrace_dwarf_add" "-Dbacktrace_initialize=__rbt_backtrace_initialize" "-Dbacktrace_pcinfo=__rbt_backtrace_pcinfo" "-Dbacktrace_syminfo=__rbt_backtrace_syminfo" "-Dbacktrace_get_view=__rbt_backtrace_get_view" "-Dbacktrace_release_view=__rbt_backtrace_release_view" "-Dbacktrace_alloc=__rbt_backtrace_alloc" "-Dbacktrace_free=__rbt_backtrace_free" "-Dbacktrace_vector_finish=__rbt_backtrace_vector_finish" "-Dbacktrace_vector_grow=__rbt_backtrace_vector_grow" "-Dbacktrace_vector_release=__rbt_backtrace_vector_release" "-Dbacktrace_close=__rbt_backtrace_close" "-Dbacktrace_open=__rbt_backtrace_open" "-Dbacktrace_print=__rbt_backtrace_print" "-Dbacktrace_simple=__rbt_backtrace_simple" "-Dbacktrace_qsort=__rbt_backtrace_qsort" "-Dbacktrace_create_state=__rbt_backtrace_create_state" "-Dbacktrace_uncompress_zdebug=__rbt_backtrace_uncompress_zdebug" "-Dmacho_get_view=__rbt_macho_get_view" "-Dmacho_symbol_type_relevant=__rbt_macho_symbol_type_relevant" "-Dmacho_get_commands=__rbt_macho_get_commands" "-Dmacho_try_dsym=__rbt_macho_try_dsym" "-Dmacho_try_dwarf=__rbt_macho_try_dwarf" "-Dmacho_get_addr_range=__rbt_macho_get_addr_range" "-Dmacho_get_uuid=__rbt_macho_get_uuid" "-Dmacho_add=__rbt_macho_add" "-Dmacho_add_symtab=__rbt_macho_add_symtab" "-Dmacho_file_to_host_u64=__rbt_macho_file_to_host_u64" "-Dmacho_file_to_host_u32=__rbt_macho_file_to_host_u32" "-Dmacho_file_to_host_u16=__rbt_macho_file_to_host_u16" "-o" "/opt/rustwide/target/aarch64-unknown-linux-gnu/debug/build/backtrace-sys-da156dbb2915bfc6/out/src/libbacktrace/alloc.o" "-c" "src/libbacktrace/alloc.c" [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error occurred: Failed to find tool. Is `aarch64-linux-gnu-gcc` installed? [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2e8ed7f8b634054d9523668090d71fc7415968d059d85fd51d84279ba95d526d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e8ed7f8b634054d9523668090d71fc7415968d059d85fd51d84279ba95d526d", kill_on_drop: false }` [INFO] [stdout] 2e8ed7f8b634054d9523668090d71fc7415968d059d85fd51d84279ba95d526d