[INFO] fetching crate variant-rs 0.4.0...
[INFO] testing variant-rs-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate variant-rs 0.4.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate variant-rs 0.4.0
[INFO] finished tweaking crates.io crate variant-rs 0.4.0
[INFO] tweaked toml for crates.io crate variant-rs 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate variant-rs 0.4.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 98 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding windows v0.52.0 (available: v0.62.2)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e09d854730ab163a07b6c4238569985dd50ea41dc8ba65abf125877c326984d7
[INFO] running `Command { std: "docker" "start" "-a" "e09d854730ab163a07b6c4238569985dd50ea41dc8ba65abf125877c326984d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e09d854730ab163a07b6c4238569985dd50ea41dc8ba65abf125877c326984d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e09d854730ab163a07b6c4238569985dd50ea41dc8ba65abf125877c326984d7", kill_on_drop: false }`
[INFO] [stdout] e09d854730ab163a07b6c4238569985dd50ea41dc8ba65abf125877c326984d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 59ff7aeb121f4019becebee83d14d8888008ed400b2ac3c49eaa617208716f17
[INFO] running `Command { std: "docker" "start" "-a" "59ff7aeb121f4019becebee83d14d8888008ed400b2ac3c49eaa617208716f17", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.52.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rust_decimal v1.41.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.65
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling widestring v1.2.1
[INFO] [stderr]    Compiling windows-targets v0.52.6
[INFO] [stderr]    Compiling windows-core v0.52.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling windows v0.52.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling enumn v0.1.14
[INFO] [stderr]    Compiling variant-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.06s
[INFO] running `Command { std: "docker" "inspect" "59ff7aeb121f4019becebee83d14d8888008ed400b2ac3c49eaa617208716f17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ff7aeb121f4019becebee83d14d8888008ed400b2ac3c49eaa617208716f17", kill_on_drop: false }`
[INFO] [stdout] 59ff7aeb121f4019becebee83d14d8888008ed400b2ac3c49eaa617208716f17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 461ad017252b4a7ea88c883705b21c0876d8ee89c896614c26df6e6954cd9a5c
[INFO] running `Command { std: "docker" "start" "-a" "461ad017252b4a7ea88c883705b21c0876d8ee89c896614c26df6e6954cd9a5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling enumn v0.1.14
[INFO] [stderr]    Compiling rust_decimal_macros v1.40.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling variant-rs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note:  "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcUEPNaY/symbols.o" "<3 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libtest-*,libgetopts-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/debug/deps/{libwidestring-58ee84e4c35fe490,libthiserror-650234a0bed7ba2b,libchrono-73a382c26fde3d8e,libiana_time_zone-e8fde29fdad667ba,librust_decimal-a71eccd9e09be67e,libserde-e407606771299bcc,libserde_core-6504fde8f3d6c9d3,libarrayvec-42ec82495f58999a,libnum_traits-793711aa49318edf,libwindows-091d7e5a2b27e51a,libwindows_core-26baa21c034e98b3,libwindows_targets-38a6db77628fd276}.rlib" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustcUEPNaY/raw-dylibs" "-B<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/windows_x86_64_gnu-0.52.6/lib" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/variant_rs-08ecd0f5bf86e74e" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: rust-lld: error: undefined symbol: GetErrorInfo
[INFO] [stdout]           >>> referenced by com_bindings.rs:23 (src/imp/com_bindings.rs:23)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.0.rcgu.o:(windows_core::imp::com_bindings::GetErrorInfo::h547865063c6c203b) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: GetProcessHeap
[INFO] [stdout]           >>> referenced by heap.rs:10 (src/imp/heap.rs:10)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.5.rcgu.o:(windows_core::imp::heap::heap_alloc::h97838d6fffba8613) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           >>> referenced by heap.rs:34 (src/imp/heap.rs:34)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.5.rcgu.o:(windows_core::imp::heap::heap_free::hbdcd9e8c17c05bff) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: HeapAlloc
[INFO] [stdout]           >>> referenced by heap.rs:10 (src/imp/heap.rs:10)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.5.rcgu.o:(windows_core::imp::heap::heap_alloc::h97838d6fffba8613) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: HeapFree
[INFO] [stdout]           >>> referenced by heap.rs:34 (src/imp/heap.rs:34)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.5.rcgu.o:(windows_core::imp::heap::heap_free::hbdcd9e8c17c05bff) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: FormatMessageW
[INFO] [stdout]           >>> referenced by hresult.rs:88 (src/hresult.rs:88)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.5.rcgu.o:(windows_core::hresult::HRESULT::message::h7dbbfb854374130a) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: SysStringLen
[INFO] [stdout]           >>> referenced by bstr.rs:26 (src/strings/bstr.rs:26)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.6.rcgu.o:(windows_core::strings::bstr::BSTR::len::hac7f3c9d03a1afe5) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: SysAllocStringLen
[INFO] [stdout]           >>> referenced by bstr.rs:45 (src/strings/bstr.rs:45)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.6.rcgu.o:(windows_core::strings::bstr::BSTR::from_wide::hc51b6456a2de5481) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: SysFreeString
[INFO] [stdout]           >>> referenced by bstr.rs:155 (src/strings/bstr.rs:155)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.6.rcgu.o:(_$LT$windows_core..strings..bstr..BSTR$u20$as$u20$core..ops..drop..Drop$GT$::drop::h2c6c05d2709a5260) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: LoadLibraryExA
[INFO] [stdout]           >>> referenced by delay_load.rs:11 (src/imp/delay_load.rs:11)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.7.rcgu.o:(windows_core::imp::delay_load::delay_load::hc8b7320de992898c) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: GetProcAddress
[INFO] [stdout]           >>> referenced by delay_load.rs:17 (src/imp/delay_load.rs:17)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.7.rcgu.o:(windows_core::imp::delay_load::delay_load::hc8b7320de992898c) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           
[INFO] [stdout]           rust-lld: error: undefined symbol: FreeLibrary
[INFO] [stdout]           >>> referenced by delay_load.rs:23 (src/imp/delay_load.rs:23)
[INFO] [stdout]           >>>               windows_core-26baa21c034e98b3.windows_core.2ecbacf3052d81e9-cgu.7.rcgu.o:(windows_core::imp::delay_load::delay_load::hc8b7320de992898c) in archive /opt/rustwide/target/debug/deps/libwindows_core-26baa21c034e98b3.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `variant-rs` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "461ad017252b4a7ea88c883705b21c0876d8ee89c896614c26df6e6954cd9a5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "461ad017252b4a7ea88c883705b21c0876d8ee89c896614c26df6e6954cd9a5c", kill_on_drop: false }`
[INFO] [stdout] 461ad017252b4a7ea88c883705b21c0876d8ee89c896614c26df6e6954cd9a5c
