[INFO] fetching crate wireguard-embeddable 0.1.3...
[INFO] testing wireguard-embeddable-0.1.3 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate wireguard-embeddable 0.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate wireguard-embeddable 0.1.3
[INFO] finished tweaking crates.io crate wireguard-embeddable 0.1.3
[INFO] tweaked toml for crates.io crate wireguard-embeddable 0.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wireguard-embeddable 0.1.3 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wireguard-embeddable 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de74595bb14ac11b57648055c80252d1e96b710dec81236a209bb6ead040093d
[INFO] running `Command { std: "docker" "start" "-a" "de74595bb14ac11b57648055c80252d1e96b710dec81236a209bb6ead040093d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de74595bb14ac11b57648055c80252d1e96b710dec81236a209bb6ead040093d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de74595bb14ac11b57648055c80252d1e96b710dec81236a209bb6ead040093d", kill_on_drop: false }`
[INFO] [stdout] de74595bb14ac11b57648055c80252d1e96b710dec81236a209bb6ead040093d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 236bd14fd2b87f35113349e7ddf059386587a8c2ea6fcb30cfcc734d2bf7bba1
[INFO] running `Command { std: "docker" "start" "-a" "236bd14fd2b87f35113349e7ddf059386587a8c2ea6fcb30cfcc734d2bf7bba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling clang-sys v1.3.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling wireguard-embeddable v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `wireguard-embeddable v0.1.3 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/wireguard-embeddable-437362863132874d/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=embeddable-wg-library/wireguard.c
[INFO] [stderr]   cargo:rerun-if-changed=embeddable-wg-library/wireguard.h
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CC = None
[INFO] [stderr]   CC = None
[INFO] [stderr]   CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CFLAGS = None
[INFO] [stderr]   CFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
[INFO] [stderr]   running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/wireguard-embeddable-ad653706204fb02d/out/embeddable-wg-library/wireguard.o" "-c" "embeddable-wg-library/wireguard.c"
[INFO] [stderr]   exit status: 0
[INFO] [stderr]   AR_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   AR_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_AR = None
[INFO] [stderr]   AR = None
[INFO] [stderr]   running: ZERO_AR_DATE="1" "ar" "cq" "/opt/rustwide/target/debug/build/wireguard-embeddable-ad653706204fb02d/out/libwg-rust.a.a" "/opt/rustwide/target/debug/build/wireguard-embeddable-ad653706204fb02d/out/embeddable-wg-library/wireguard.o"
[INFO] [stderr]   exit status: 0
[INFO] [stderr]   running: "ar" "s" "/opt/rustwide/target/debug/build/wireguard-embeddable-ad653706204fb02d/out/libwg-rust.a.a"
[INFO] [stderr]   exit status: 0
[INFO] [stderr]   cargo:rustc-link-lib=static=wg-rust.a
[INFO] [stderr]   cargo:rustc-link-search=native=/opt/rustwide/target/debug/build/wireguard-embeddable-ad653706204fb02d/out
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (589) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.36/src/fallback.rs:708:9:
[INFO] [stderr]   "in6_addr_union_(unnamed_at_/usr/include/netinet/in_h_223_5)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x64c1e38501aa - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x64c1e38501aa - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x64c1e38501aa - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x64c1e38501aa - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x64c1e3866e9a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x64c1e3866e9a - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x64c1e3856532 - std[128c3efe2914e152]::io::default_write_fmt::<std[128c3efe2914e152]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x64c1e3856532 - <std[128c3efe2914e152]::sys::stdio::unix::Stderr as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x64c1e382ffdf - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x64c1e382ffdf - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x64c1e3849d71 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x64c1e3849f2b - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x64c1e3830098 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x64c1e38250c9 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x64c1e3830acd - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x64c1e386768c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x64c1e380ffbb - proc_macro2::fallback::validate_ident::hf88835735ea0ec29
[INFO] [stderr]     17:     0x64c1e3810251 - proc_macro2::fallback::Ident::_new::h2ec0c10e43b69170
[INFO] [stderr]     18:     0x64c1e381020f - proc_macro2::fallback::Ident::new::h0a26ae681ec142c1
[INFO] [stderr]     19:     0x64c1e3806138 - proc_macro2::Ident::new::h8e413a489a990500
[INFO] [stderr]     20:     0x64c1e3574e95 - bindgen::ir::context::BindgenContext::rust_ident_raw::h1cd6c28532a797f3
[INFO] [stderr]     21:     0x64c1e3572a60 - bindgen::ir::context::BindgenContext::rust_ident::h5f400e5b85de74ed
[INFO] [stderr]     22:     0x64c1e359264d - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::h6fb25b37f3562786
[INFO] [stderr]     23:     0x64c1e352aecd - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h296caaa92d42eb51
[INFO] [stderr]     24:     0x64c1e34e24db - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h720fe9e147e7650f
[INFO] [stderr]     25:     0x64c1e35993a9 - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::h6fb25b37f3562786
[INFO] [stderr]     26:     0x64c1e352aecd - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h296caaa92d42eb51
[INFO] [stderr]     27:     0x64c1e34e24db - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h720fe9e147e7650f
[INFO] [stderr]     28:     0x64c1e35c9cc5 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h560b740e86b17cca
[INFO] [stderr]     29:     0x64c1e34e82b7 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::ha1ba77fd6717d1f3
[INFO] [stderr]     30:     0x64c1e34e24c0 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h720fe9e147e7650f
[INFO] [stderr]     31:     0x64c1e35d5b52 - bindgen::codegen::codegen::{{closure}}::hc78592df76397a30
[INFO] [stderr]     32:     0x64c1e3580b88 - bindgen::ir::context::BindgenContext::gen::hb03680d2d8776587
[INFO] [stderr]     33:     0x64c1e35d4f2f - bindgen::codegen::codegen::h33ccd5c4055fc39a
[INFO] [stderr]     34:     0x64c1e34c3ca1 - bindgen::Bindings::generate::h1a631895eaa454fb
[INFO] [stderr]     35:     0x64c1e34bda6f - bindgen::Builder::generate::hc70f79b7580bffec
[INFO] [stderr]     36:     0x64c1e346c7b4 - build_script_build::main::h21ccdfee9212ae1b
[INFO] [stderr]     37:     0x64c1e346cf83 - core::ops::function::FnOnce::call_once::h92490d3e60b607b8
[INFO] [stderr]     38:     0x64c1e346cec6 - std::sys::backtrace::__rust_begin_short_backtrace::hddb5b64e4c4b6288
[INFO] [stderr]     39:     0x64c1e346cea9 - std::rt::lang_start::{{closure}}::h9d640dd83e34dd08
[INFO] [stderr]     40:     0x64c1e3848e64 - <&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     41:     0x64c1e3848e64 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     42:     0x64c1e3848e64 - std[128c3efe2914e152]::panicking::catch_unwind::<i32, &dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     43:     0x64c1e3848e64 - std[128c3efe2914e152]::panic::catch_unwind::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     44:     0x64c1e3848e64 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     45:     0x64c1e3848e64 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     46:     0x64c1e3848e64 - std[128c3efe2914e152]::panicking::catch_unwind::<isize, std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     47:     0x64c1e3848e64 - std[128c3efe2914e152]::panic::catch_unwind::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     48:     0x64c1e3848e64 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     49:     0x64c1e346ce91 - std::rt::lang_start::h7224760d5910f9c5
[INFO] [stderr]     50:     0x64c1e346d985 - main
[INFO] [stderr]     51:     0x7f72d34911ca - <unknown>
[INFO] [stderr]     52:     0x7f72d349128b - __libc_start_main
[INFO] [stderr]     53:     0x64c1e346c365 - _start
[INFO] [stderr]     54:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "236bd14fd2b87f35113349e7ddf059386587a8c2ea6fcb30cfcc734d2bf7bba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236bd14fd2b87f35113349e7ddf059386587a8c2ea6fcb30cfcc734d2bf7bba1", kill_on_drop: false }`
[INFO] [stdout] 236bd14fd2b87f35113349e7ddf059386587a8c2ea6fcb30cfcc734d2bf7bba1
