[INFO] fetching crate pantheon 0.1.2... [INFO] testing pantheon-0.1.2 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate pantheon 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate pantheon 0.1.2 [INFO] finished tweaking crates.io crate pantheon 0.1.2 [INFO] tweaked toml for crates.io crate pantheon 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate pantheon 0.1.2 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 246 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.4 (available: v0.3.6) [INFO] [stderr] Adding image v0.23.14 (available: v0.25.8) [INFO] [stderr] Adding js-sys v0.3.46 (available: v0.3.82) [INFO] [stderr] Adding nix v0.20.0 (available: v0.20.2) [INFO] [stderr] Adding plotters v0.3.0 (available: v0.3.7) [INFO] [stderr] Adding shaderc v0.6.3 (available: v0.10.1) [INFO] [stderr] Adding syn v1.0.65 (available: v1.0.109) [INFO] [stderr] Adding wasm-bindgen v0.2.69 (available: v0.2.105) [INFO] [stderr] Adding wasm-bindgen-backend v0.2.69 (available: v0.2.104) [INFO] [stderr] Adding wasm-bindgen-futures v0.4.19 (available: v0.4.55) [INFO] [stderr] Adding wasm-bindgen-macro v0.2.69 (available: v0.2.105) [INFO] [stderr] Adding wasm-bindgen-macro-support v0.2.69 (available: v0.2.105) [INFO] [stderr] Adding wasm-bindgen-shared v0.2.69 (available: v0.2.105) [INFO] [stderr] Adding web-sys v0.3.46 (available: v0.3.82) [INFO] [stderr] Adding wgpu v0.7.1 (available: v27.0.1) [INFO] [stderr] Adding winit v0.24.0 (available: v0.30.12) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1b88dd9d37ef55a4dd0bbe3556f61ca95b36b56d840fa7a9ffa5659074c808d [INFO] running `Command { std: "docker" "start" "-a" "a1b88dd9d37ef55a4dd0bbe3556f61ca95b36b56d840fa7a9ffa5659074c808d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1b88dd9d37ef55a4dd0bbe3556f61ca95b36b56d840fa7a9ffa5659074c808d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1b88dd9d37ef55a4dd0bbe3556f61ca95b36b56d840fa7a9ffa5659074c808d", kill_on_drop: false }` [INFO] [stdout] a1b88dd9d37ef55a4dd0bbe3556f61ca95b36b56d840fa7a9ffa5659074c808d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec9be5b82012a91137dccef9a1bd0d0a2de742dd215826110bdb62832dae2627 [INFO] running `Command { std: "docker" "start" "-a" "ec9be5b82012a91137dccef9a1bd0d0a2de742dd215826110bdb62832dae2627", kill_on_drop: false }` [INFO] [stderr] Compiling jobserver v0.1.34 [INFO] [stderr] Compiling cty v0.2.2 [INFO] [stderr] Compiling libloading v0.6.7 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling wayland-scanner v0.28.6 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling spirv_headers v1.5.0 [INFO] [stderr] Compiling wayland-sys v0.28.6 [INFO] [stderr] Compiling raw-window-handle v0.4.3 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling libloading v0.8.9 [INFO] [stderr] Compiling raw-window-handle v0.3.4 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling dlib v0.5.2 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling cc v1.2.44 [INFO] [stderr] Compiling nix v0.20.0 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling khronos-egl v3.0.2 [INFO] [stderr] Compiling ttf-parser v0.15.2 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling ahash v0.4.8 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling rayon v1.11.0 [INFO] [stderr] Compiling wayland-client v0.28.6 [INFO] [stderr] Compiling wayland-protocols v0.28.6 [INFO] [stderr] Compiling gpu-descriptor-types v0.1.2 [INFO] [stderr] Compiling cmake v0.1.54 [INFO] [stderr] Compiling wgpu-core v0.7.2 [INFO] [stderr] Compiling hashbrown v0.9.1 [INFO] [stderr] Compiling spirv_cross v0.23.1 [INFO] [stderr] Compiling shaderc-sys v0.6.3 [INFO] [stderr] warning: shaderc-sys@0.6.3: Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] warning: shaderc-sys@0.6.3: System installed library not found. Falling back to build from source [INFO] [stderr] error: failed to run custom build command for `shaderc-sys v0.6.3` [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/shaderc-sys-68032bff9e1852f6/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:warning=Checking for system installed libraries. Use --features = build-from-source to disable this behavior [INFO] [stderr] cargo:warning=System installed library not found. Falling back to build from source [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (731) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/shaderc-sys-0.6.3/build/cmd_finder.rs:50:13: [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] couldn't find required command: "python" [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x59e7b86c5a42 - std::backtrace_rs::backtrace::libunwind::trace::h16acf28769fcd909 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stderr] 1: 0x59e7b86c5a42 - std::backtrace_rs::backtrace::trace_unsynchronized::hb5541aa5d4f92513 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stderr] 2: 0x59e7b86c5a42 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x59e7b86c5a42 - ::fmt::h47627beda0767f4c [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x59e7b86d5ccf - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x59e7b86d5ccf - core::fmt::write::h8a63064c67176fd8 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25 [INFO] [stderr] 6: 0x59e7b8696213 - std::io::default_write_fmt::hc257f38f86d39af6 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x59e7b8696213 - std::io::Write::write_fmt::h5e9b646cef91150b [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x59e7b86a1002 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x59e7b86a39ac - std::panicking::default_hook::{{closure}}::h23e0299d4738b766 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x59e7b86a3806 - std::panicking::default_hook::hfeec6294e8751b62 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x59e7b86a3f85 - std::panicking::panic_with_hook::hd57cd463d793ed79 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x59e7b86a3e1a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x59e7b86a1139 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x59e7b868a6dd - __rustc[256c90bb7e548b45]::rust_begin_unwind [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x59e7b86d9870 - core::panicking::panic_fmt::hf19c198748ef6a95 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14 [INFO] [stderr] 16: 0x59e7b860764c - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::hea506864e4f5f8cc [INFO] [stderr] 17: 0x59e7b860d279 - core::option::Option::unwrap_or_else::heae1bd120d7ff954 [INFO] [stderr] 18: 0x59e7b86075cc - build_script_build::cmd_finder::CommandFinder::must_have::h53d635d66ec3baa9 [INFO] [stderr] 19: 0x59e7b860ac21 - build_script_build::main::hbcdf5602c12b08da [INFO] [stderr] 20: 0x59e7b860c2d3 - core::ops::function::FnOnce::call_once::h7865bac6cd38235a [INFO] [stderr] 21: 0x59e7b860be86 - std::sys::backtrace::__rust_begin_short_backtrace::h8768efe6172f50c1 [INFO] [stderr] 22: 0x59e7b860bdb9 - std::rt::lang_start::{{closure}}::h8f8044b9a9d934c7 [INFO] [stderr] 23: 0x59e7b8697d20 - core::ops::function::impls:: for &F>::call_once::hdf957eac011d0136 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 24: 0x59e7b8697d20 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x59e7b8697d20 - std::panicking::catch_unwind::ha7ce46787bb12905 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x59e7b8697d20 - std::panic::catch_unwind::h625b36596def7d39 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x59e7b8697d20 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x59e7b8697d20 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stderr] 29: 0x59e7b8697d20 - std::panicking::catch_unwind::hf64cf7b0d8070f52 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stderr] 30: 0x59e7b8697d20 - std::panic::catch_unwind::h480b74763390cdcf [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x59e7b8697d20 - std::rt::lang_start_internal::h4b3d04f698aef094 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x59e7b860bda1 - std::rt::lang_start::hfe8d5404a0b90f6a [INFO] [stderr] 33: 0x59e7b860ecf5 - main [INFO] [stderr] 34: 0x73a72d6861ca - [INFO] [stderr] 35: 0x73a72d68628b - __libc_start_main [INFO] [stderr] 36: 0x59e7b8606755 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "ec9be5b82012a91137dccef9a1bd0d0a2de742dd215826110bdb62832dae2627", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec9be5b82012a91137dccef9a1bd0d0a2de742dd215826110bdb62832dae2627", kill_on_drop: false }` [INFO] [stdout] ec9be5b82012a91137dccef9a1bd0d0a2de742dd215826110bdb62832dae2627