[INFO] fetching crate wasmots-client 0.1.0...
[INFO] testing wasmots-client-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate wasmots-client 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wasmots-client 0.1.0
[INFO] finished tweaking crates.io crate wasmots-client 0.1.0
[INFO] tweaked toml for crates.io crate wasmots-client 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasmots-client 0.1.0 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] crate crates.io crate wasmots-client 0.1.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8620388434d93c884273d41328248d5b2482e9d794d9d812910dde256f9f65a7
[INFO] running `Command { std: "docker" "start" "-a" "8620388434d93c884273d41328248d5b2482e9d794d9d812910dde256f9f65a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8620388434d93c884273d41328248d5b2482e9d794d9d812910dde256f9f65a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8620388434d93c884273d41328248d5b2482e9d794d9d812910dde256f9f65a7", kill_on_drop: false }`
[INFO] [stdout] 8620388434d93c884273d41328248d5b2482e9d794d9d812910dde256f9f65a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9a4a51ebeeecb45a0c9b50e7644fdafe10efa21dc88a5b84375e7b00c8489f5e
[INFO] running `Command { std: "docker" "start" "-a" "9a4a51ebeeecb45a0c9b50e7644fdafe10efa21dc88a5b84375e7b00c8489f5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling target-lexicon v0.11.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling wasmer-vm v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling region v2.2.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling more-asserts v0.2.1
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.68.0
[INFO] [stderr]    Compiling wasmparser v0.65.0
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.1
[INFO] [stderr]    Compiling rand_core v0.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memmap2 v0.2.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.4
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling wasmer-compiler-cranelift v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling wast v32.0.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling wasmer_enumset_derive v0.5.0
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling ctor v0.1.18
[INFO] [stderr]    Compiling tracing v0.1.22
[INFO] [stderr]    Compiling wasmer_enumset v1.0.1
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling wat v1.0.33
[INFO] [stderr]    Compiling wasmer-derive v1.0.1
[INFO] [stderr]    Compiling typetag-impl v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling webpki-roots v0.21.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chunked_transfer v1.3.0
[INFO] [stderr]    Compiling ureq v2.0.1
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling cranelift-entity v0.68.0
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling erased-serde v0.3.13
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling wasmer-types v1.0.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.68.0
[INFO] [stderr]    Compiling cranelift-bforest v0.68.0
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling typetag v0.1.7
[INFO] [stderr]    Compiling wasmer-compiler v1.0.1
[INFO] [stderr]    Compiling wasmer-engine v1.0.1
[INFO] [stderr]    Compiling wasmer-object v1.0.1
[INFO] [stderr]    Compiling wasmer-engine-native v1.0.1
[INFO] [stderr]    Compiling wasmer-engine-jit v1.0.1
[INFO] [stderr]    Compiling cranelift-codegen v0.68.0
[INFO] [stderr]    Compiling cranelift-frontend v0.68.0
[INFO] [stderr]    Compiling wasmer v1.0.1
[INFO] [stderr]    Compiling wasmer-wasi v1.0.1
[INFO] [stderr]    Compiling wasmots-client v0.1.0 (/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/rustcUiwB8H/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libureq-30b3d75a160cdd66,libwebpki_roots-56175d3e9abee092,librustls-439d358d7f501f99,libbase64-c3373bb3fffa3aaa,libsct-3924d2555502f5a5,libwebpki-35dcf4d5c34843ab,libring-01d2370fedc75638,libspin-8ccc3e6e28d8d998,libuntrusted-cf2ca08364ad70a2,libonce_cell-aef9f7e031e79d90,libchunked_transfer-7697b649ad5a9f4c,liburl-63b071d6de6f8ea5,libidna-04564baad0824081,libunicode_normalization-32931e5c276d3af2,libtinyvec-1e49329f225da902,libtinyvec_macros-eb4a17f9675a4144,libunicode_bidi-105e76f652b84af0,libform_urlencoded-799e228ffd05b2bd,libpercent_encoding-1352e0270139e201,libmatches-ba17e63dc6951fed,libstructopt-be920ad74227bf5d,libclap-4c657ec181277c8a,libvec_map-02f52a9a60754f97,libtextwrap-504b3a42d2494cca,libunicode_width-55f319039d25167c,libstrsim-b7106ae32fc39fc7,libatty-4315d90be156ff55,libansi_term-85a602b45b1e1a7f,libwasmer_wasi-6fba1336b0187706,libgetrandom-e3520ceaea557ffe,libtime-7e719b89426ed2d3,libtypetag-5bc47f43e659298b,liberased_serde-8b6fe20453eb3964,libinventory-f4099647f7319a48,libgenerational_arena-383d162922473a3c,libwasmer-2e8c9d4510994503,libwasmer_engine_jit-9babcd854a8ed5e3,libwasmer_compiler_cranelift-26155b9bad40336c,libtracing-03a47c7e717c1c55,libpin_project_lite-4bb40449c6907f13,libtracing_core-3b46d287ffb04df2,libcranelift_frontend-140bfddf0431017d,librayon-3dd149834195ec08,librayon_core-c1cc47b702aa2b33,libnum_cpus-e91ffbc29b47cdc4,libcrossbeam_deque-d79ecba2f59cfcfe,libcrossbeam_epoch-bbd26f388611d65d,libscopeguard-253d6c0059e29176,libcrossbeam_channel-34fd41e17733ee19,libcrossbeam_utils-6c7ebdaaf532d8cf,libeither-7960283cc91ca17d,libcranelift_codegen-b3e9e886b0d797d3,libregalloc-1b6d6e9c5567bb8b,librustc_hash-b92c8a73412d76c1,libgimli-66d1d569556903cc,libfallible_iterator-487bee8b3bb3afa5,libstable_deref_trait-b3eb7a4ad26dfbf9,libcranelift_codegen_shared-cef75e83f2943142,liblog-20567b03981823e8,libcranelift_bforest-71cfc05c37054ec8,libwat-9a8ede8b265b9f25,libwast-5be8120bbdc7f1e7,libleb128-111262735775988a,libwasmer_engine-9325eefda9209580,libbincode-49482755b191c0a1,libbyteorder-e9b52cd5fd7c50b0,liblazy_static-8f54c7c82e1daacf,libmemmap2-b32eadc453cbdadd,libwasmer_compiler-91ca3279ce6ff70f,libserde_bytes-70b97b41b8cbf3be,libsmallvec-27ca7be6b39c7523,libraw_cpuid-a257a97fcf2679d9,libwasmer_enumset-67046abe92b4cb98,libnum_traits-ed5e8b43f53f90ca,libtarget_lexicon-5569c83f115bcf72,libwasmer_vm-7e0ebfc24c3241f1,libregion-ec98e8217cbe9163,libbitflags-40e4ce511af0f3b5,libcfg_if-4c48786b821c6a94,libbacktrace-7af1e3278f838558,libminiz_oxide-54ea7fa8cdbc2d17,libadler-46df095e7dfcbdb2,libobject-b7a0bac006fae57b,liblibc-9ac8a8ea7f73644e,libaddr2line-d0fa1c0c0540760e,libgimli-bdc136d0ec76ef7a,libcfg_if-d9b80cb51cda7b5b,librustc_demangle-9c81435de33816fe,libmore_asserts-4310215e97509517,libmemoffset-59e77c952470010b,libwasmparser-cdc1ed0f1211af77,libwasmer_types-868564d6e09bca11,libcranelift_entity-2a2c22a662e89229,libindexmap-ac59a956684e2ee0,libhashbrown-e1d236fcb29fce91,libserde-133fe34b0ea5c98e,libthiserror-b1fe36e1f81c1fee}.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/rustcUiwB8H/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/target/debug/build/ring-6f69325510b9b199/out" "-L" "/opt/rustwide/target/debug/build/wasmer-vm-e5234a866fb4c74e/out" "-L" "<sysroot>/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/wasmots_client-d25a7afb1f796b80" "-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: __rust_probestack
[INFO] [stdout]           >>> referenced by libcalls.rs:403 (src/libcalls.rs:403)
[INFO] [stdout]           >>>               wasmer_vm-7e0ebfc24c3241f1.wasmer_vm.da3568050564bc3f-cgu.6.rcgu.o:(wasmer_probestack) in archive /opt/rustwide/target/debug/deps/libwasmer_vm-7e0ebfc24c3241f1.rlib
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmots-client` (bin "wasmots-client") due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "9a4a51ebeeecb45a0c9b50e7644fdafe10efa21dc88a5b84375e7b00c8489f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a4a51ebeeecb45a0c9b50e7644fdafe10efa21dc88a5b84375e7b00c8489f5e", kill_on_drop: false }`
[INFO] [stdout] 9a4a51ebeeecb45a0c9b50e7644fdafe10efa21dc88a5b84375e7b00c8489f5e
