[INFO] fetching crate flutter-engine 0.3.5... [INFO] testing flutter-engine-0.3.5 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate flutter-engine 0.3.5 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate flutter-engine 0.3.5 [INFO] finished tweaking crates.io crate flutter-engine 0.3.5 [INFO] tweaked toml for crates.io crate flutter-engine 0.3.5 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flutter-engine 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 189 packages to latest compatible versions [INFO] [stderr] Adding gl v0.11.0 (available: v0.14.0) [INFO] [stderr] Adding glfw v0.28.0 (available: v0.60.0) [INFO] [stderr] Adding locale_config v0.2.3 (available: v0.3.0) [INFO] [stderr] Adding priority-queue v0.6.0 (available: v2.7.0) [INFO] [stderr] Adding tokio v0.1.22 (available: v1.47.1) [INFO] [stderr] Adding unic-locale v0.4.2 (available: v0.9.6) [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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7681cd45a75e65e17def6799754844fd21b817ab4be6db964de19b226aee4ecb [INFO] running `Command { std: "docker" "start" "-a" "7681cd45a75e65e17def6799754844fd21b817ab4be6db964de19b226aee4ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7681cd45a75e65e17def6799754844fd21b817ab4be6db964de19b226aee4ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7681cd45a75e65e17def6799754844fd21b817ab4be6db964de19b226aee4ecb", kill_on_drop: false }` [INFO] [stdout] 7681cd45a75e65e17def6799754844fd21b817ab4be6db964de19b226aee4ecb [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 16784245975b4502262f82aceb44f10c4a29cdfbf8b47370e5cea55b5453932f [INFO] running `Command { std: "docker" "start" "-a" "16784245975b4502262f82aceb44f10c4a29cdfbf8b47370e5cea55b5453932f", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling adler2 v2.0.1 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling gimli v0.32.3 [INFO] [stderr] Compiling bzip2-sys v0.1.13+1.0.8 [INFO] [stderr] Compiling crc32fast v1.5.0 [INFO] [stderr] Compiling object v0.37.3 [INFO] [stderr] Compiling libz-sys v1.1.22 [INFO] [stderr] Compiling libnghttp2-sys v0.1.11+1.64.0 [INFO] [stderr] Compiling openssl-sys v0.9.109 [INFO] [stderr] Compiling curl-sys v0.4.83+curl-8.15.0 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling time v0.1.45 [INFO] [stderr] Compiling rustc-demangle v0.1.26 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling curl v0.4.49 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling msdos_time v0.1.6 [INFO] [stderr] Compiling unicode-width v0.1.14 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling podio v0.1.7 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling num-integer v0.1.46 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling socket2 v0.6.0 [INFO] [stderr] Compiling flate2 v1.1.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling bzip2 v0.3.3 [INFO] [stderr] Compiling transformation-pipeline v0.1.0 [INFO] [stderr] Compiling openssl-probe v0.1.6 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling zip v0.2.8 [INFO] [stderr] Compiling cmake v0.1.54 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling dirs-sys v0.3.7 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling unzip v0.1.0 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling glfw-sys v3.3.5 [INFO] [stderr] Compiling num-iter v0.1.45 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling nom v1.2.4 [INFO] [stderr] Compiling unic-langid-impl v0.4.0 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling unic-locale-impl v0.4.0 [INFO] [stderr] Compiling semver v0.2.3 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling addr2line v0.25.1 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling indexmap v0.4.1 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling unic-locale v0.4.2 [INFO] [stderr] Compiling priority-queue v0.6.0 [INFO] [stderr] Compiling flutter-download v0.3.5 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling num v0.2.1 [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 locale_config v0.2.3 [INFO] [stderr] Compiling glfw v0.28.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling flutter-engine-sys v0.3.5 [INFO] [stderr] error: failed to run custom build command for `flutter-engine-sys v0.3.5` [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-4da70a8d715f4506/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (1928) 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: 0x59cd753e4a72 - 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: 0x59cd753e4a72 - 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: 0x59cd753e4a72 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x59cd753e4a72 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x59cd753f5c9f - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x59cd753f5c9f - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x59cd753b5ab1 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x59cd753b5ab1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x59cd753c15f2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x59cd753c46af - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x59cd753c4509 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x59cd753c4de5 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x59cd753c4bca - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x59cd753c1729 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x59cd753a91ed - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x59cd753ffe70 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x59cd7529ba6f - proc_macro2::fallback::validate_ident::h3b6bdfa9871ef4cb [INFO] [stderr] 17: 0x59cd7529e191 - proc_macro2::fallback::Ident::_new::h1213994fa8e749ba [INFO] [stderr] 18: 0x59cd7529e14f - proc_macro2::fallback::Ident::new::h7121e4ac77416889 [INFO] [stderr] 19: 0x59cd752944e8 - proc_macro2::Ident::new::h843758de5e2e5c32 [INFO] [stderr] 20: 0x59cd74fedb25 - bindgen::ir::context::BindgenContext::rust_ident_raw::ha61b092701954534 [INFO] [stderr] 21: 0x59cd74febac0 - bindgen::ir::context::BindgenContext::rust_ident::h4d737d8d58b636f7 [INFO] [stderr] 22: 0x59cd74f7666f - ::codegen::h055e657d92318509 [INFO] [stderr] 23: 0x59cd74f474e5 - ::codegen::h3848fb3a3db8f03c [INFO] [stderr] 24: 0x59cd74fad1d5 - ::codegen::h9762ef4137e550bc [INFO] [stderr] 25: 0x59cd74f7e8a5 - ::codegen::h055e657d92318509 [INFO] [stderr] 26: 0x59cd74f474e5 - ::codegen::h3848fb3a3db8f03c [INFO] [stderr] 27: 0x59cd74fad1d5 - ::codegen::h9762ef4137e550bc [INFO] [stderr] 28: 0x59cd74edcfd5 - ::codegen::{{closure}}::hf0914dff2e99859c [INFO] [stderr] 29: 0x59cd74f90bed - ::codegen::hc5b1c4af5125deb0 [INFO] [stderr] 30: 0x59cd74fad1ad - ::codegen::h9762ef4137e550bc [INFO] [stderr] 31: 0x59cd74ee987f - bindgen::codegen::codegen::{{closure}}::h4291785e0e6560c0 [INFO] [stderr] 32: 0x59cd74ff90e8 - bindgen::ir::context::BindgenContext::gen::he6817276a6c2aab5 [INFO] [stderr] 33: 0x59cd74ee8fed - bindgen::codegen::codegen::h87dd91eede048ef5 [INFO] [stderr] 34: 0x59cd74fd78f5 - bindgen::Bindings::generate::h97c3b94facebd76f [INFO] [stderr] 35: 0x59cd74fd4b21 - bindgen::Builder::generate::h99ab5f97829650a9 [INFO] [stderr] 36: 0x59cd74e5a3f2 - build_script_build::gen_bindings::he3bafb72d4057cba [INFO] [stderr] 37: 0x59cd74e5aca4 - build_script_build::main::h308c20bdb50cbc4d [INFO] [stderr] 38: 0x59cd74e5e233 - core::ops::function::FnOnce::call_once::heef7e8fe7a40edd3 [INFO] [stderr] 39: 0x59cd74e5f236 - std::sys::backtrace::__rust_begin_short_backtrace::h9d40d3ea2443b631 [INFO] [stderr] 40: 0x59cd74e5be79 - std::rt::lang_start::{{closure}}::h0ced332bba3df85c [INFO] [stderr] 41: 0x59cd753b7610 - 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: 0x59cd753b7610 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 43: 0x59cd753b7610 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 44: 0x59cd753b7610 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 45: 0x59cd753b7610 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 46: 0x59cd753b7610 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 47: 0x59cd753b7610 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 48: 0x59cd753b7610 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 49: 0x59cd753b7610 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 50: 0x59cd74e5be61 - std::rt::lang_start::h0198919b47830d24 [INFO] [stderr] 51: 0x59cd74e5ee15 - main [INFO] [stderr] 52: 0x719b60e5d1ca - [INFO] [stderr] 53: 0x719b60e5d28b - __libc_start_main [INFO] [stderr] 54: 0x59cd74e5a1b5 - _start [INFO] [stderr] 55: 0x0 - [INFO] running `Command { std: "docker" "inspect" "16784245975b4502262f82aceb44f10c4a29cdfbf8b47370e5cea55b5453932f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "16784245975b4502262f82aceb44f10c4a29cdfbf8b47370e5cea55b5453932f", kill_on_drop: false }` [INFO] [stdout] 16784245975b4502262f82aceb44f10c4a29cdfbf8b47370e5cea55b5453932f