[INFO] fetching crate flutter-engine-sys 0.3.5... [INFO] testing flutter-engine-sys-0.3.5 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate flutter-engine-sys 0.3.5 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate flutter-engine-sys 0.3.5 [INFO] finished tweaking crates.io crate flutter-engine-sys 0.3.5 [INFO] tweaked toml for crates.io crate flutter-engine-sys 0.3.5 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flutter-engine-sys 0.3.5 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 112 packages to latest compatible versions [INFO] [stderr] Adding bindgen v0.50.1 (available: v0.72.1) [INFO] [stderr] Adding dirs v2.0.2 (available: v6.0.0) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eacb271555575ef7b84e9ffc9285104954a83a91989f376176a532533522767e [INFO] running `Command { std: "docker" "start" "-a" "eacb271555575ef7b84e9ffc9285104954a83a91989f376176a532533522767e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eacb271555575ef7b84e9ffc9285104954a83a91989f376176a532533522767e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eacb271555575ef7b84e9ffc9285104954a83a91989f376176a532533522767e", kill_on_drop: false }` [INFO] [stdout] eacb271555575ef7b84e9ffc9285104954a83a91989f376176a532533522767e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 987817779ce9172cecf13ec18a013e97df0e7564160d9d15eb42836963e09f24 [INFO] running `Command { std: "docker" "start" "-a" "987817779ce9172cecf13ec18a013e97df0e7564160d9d15eb42836963e09f24", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling find-msvc-tools v0.1.2 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stderr] Compiling object v0.37.3 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling glob v0.3.3 [INFO] [stderr] Compiling gimli v0.32.3 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling rustc-demangle v0.1.26 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling curl v0.4.49 [INFO] [stderr] Compiling podio v0.1.7 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling cc v1.2.39 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling openssl-probe v0.1.6 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling libnghttp2-sys v0.1.11+1.64.0 [INFO] [stderr] Compiling libz-sys v1.1.22 [INFO] [stderr] Compiling bzip2-sys v0.1.13+1.0.8 [INFO] [stderr] Compiling curl-sys v0.4.83+curl-8.15.0 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling dirs-sys v0.3.7 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling addr2line v0.25.1 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Compiling flutter-download v0.3.5 [INFO] [stderr] Compiling backtrace v0.3.76 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling flutter-engine-sys v0.3.5 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `flutter-engine-sys v0.3.5 (/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/flutter-engine-sys-d1f9ba02e4616bfe/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (1350) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/src/fallback.rs:594:9: [INFO] [stderr] "FlutterRendererConfig_union_(anonymous_at_flutter-engine_h_267_3)" is not a valid Ident [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x561901c6f652 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x561901c6f652 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x561901c6f652 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x561901c6f652 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x561901c8087f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x561901c8087f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x561901c40691 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x561901c40691 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x561901c4c1d2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x561901c4f28f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x561901c4f0e9 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x561901c4f9c5 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x561901c4f7aa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x561901c4c309 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x561901c33dcd - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x561901c8aa50 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x561901b2de0f - proc_macro2::fallback::validate_ident::h3b6bdfa9871ef4cb [INFO] [stderr] 17: 0x561901b30531 - proc_macro2::fallback::Ident::_new::h1213994fa8e749ba [INFO] [stderr] 18: 0x561901b304ef - proc_macro2::fallback::Ident::new::h7121e4ac77416889 [INFO] [stderr] 19: 0x561901b26888 - proc_macro2::Ident::new::h843758de5e2e5c32 [INFO] [stderr] 20: 0x5619018dc885 - bindgen::ir::context::BindgenContext::rust_ident_raw::h953cac9e449aa49c [INFO] [stderr] 21: 0x5619018da960 - bindgen::ir::context::BindgenContext::rust_ident::he82626457d3245a2 [INFO] [stderr] 22: 0x561901864ddf - ::codegen::h0feb0b3ee4594a8c [INFO] [stderr] 23: 0x561901835bf5 - ::codegen::hfaeadae0d6b9550a [INFO] [stderr] 24: 0x56190189bdc5 - ::codegen::h387d5565751feeaf [INFO] [stderr] 25: 0x56190186d015 - ::codegen::h0feb0b3ee4594a8c [INFO] [stderr] 26: 0x561901835bf5 - ::codegen::hfaeadae0d6b9550a [INFO] [stderr] 27: 0x56190189bdc5 - ::codegen::h387d5565751feeaf [INFO] [stderr] 28: 0x5619017cb855 - ::codegen::{{closure}}::hb203b893e4e9bd40 [INFO] [stderr] 29: 0x56190187fd2d - ::codegen::h07ee5f4afafde87d [INFO] [stderr] 30: 0x56190189bd9d - ::codegen::h387d5565751feeaf [INFO] [stderr] 31: 0x5619017d80ff - bindgen::codegen::codegen::{{closure}}::h813df3a63338bcd8 [INFO] [stderr] 32: 0x5619018e7e28 - bindgen::ir::context::BindgenContext::gen::he434926265df0090 [INFO] [stderr] 33: 0x5619017d786d - bindgen::codegen::codegen::h9fda13fba6990020 [INFO] [stderr] 34: 0x5619018c65d5 - bindgen::Bindings::generate::h035e7a897bef04db [INFO] [stderr] 35: 0x5619018c3801 - bindgen::Builder::generate::hc80c27c478b19f5c [INFO] [stderr] 36: 0x561901749052 - build_script_build::gen_bindings::h3980bd64e0a1bda2 [INFO] [stderr] 37: 0x561901749904 - build_script_build::main::h04592888c59901fc [INFO] [stderr] 38: 0x56190174ceb3 - core::ops::function::FnOnce::call_once::hfdb7364f5df13416 [INFO] [stderr] 39: 0x56190174aaf6 - std::sys::backtrace::__rust_begin_short_backtrace::hbea8b19bfd0088c9 [INFO] [stderr] 40: 0x56190174aad9 - std::rt::lang_start::{{closure}}::h33a91ccc21068f16 [INFO] [stderr] 41: 0x561901c421f0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 42: 0x561901c421f0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 43: 0x561901c421f0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 44: 0x561901c421f0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 45: 0x561901c421f0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 46: 0x561901c421f0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 47: 0x561901c421f0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 48: 0x561901c421f0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 49: 0x561901c421f0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 50: 0x56190174aac1 - std::rt::lang_start::h78501396ac59895e [INFO] [stderr] 51: 0x56190174da95 - main [INFO] [stderr] 52: 0x7bea683171ca - [INFO] [stderr] 53: 0x7bea6831728b - __libc_start_main [INFO] [stderr] 54: 0x561901748e15 - _start [INFO] [stderr] 55: 0x0 - [INFO] running `Command { std: "docker" "inspect" "987817779ce9172cecf13ec18a013e97df0e7564160d9d15eb42836963e09f24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "987817779ce9172cecf13ec18a013e97df0e7564160d9d15eb42836963e09f24", kill_on_drop: false }` [INFO] [stdout] 987817779ce9172cecf13ec18a013e97df0e7564160d9d15eb42836963e09f24