[INFO] fetching crate kakapo 0.0.1... [INFO] testing kakapo-0.0.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate kakapo 0.0.1 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate kakapo 0.0.1 [INFO] finished tweaking crates.io crate kakapo 0.0.1 [INFO] tweaked toml for crates.io crate kakapo 0.0.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate kakapo 0.0.1 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] crate crates.io crate kakapo 0.0.1 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-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] 8ad1e18a071ac1deba2b949c3820d3f606e0c4ab8d8fcac1d1300e72051ccdfd [INFO] running `Command { std: "docker" "start" "-a" "8ad1e18a071ac1deba2b949c3820d3f606e0c4ab8d8fcac1d1300e72051ccdfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ad1e18a071ac1deba2b949c3820d3f606e0c4ab8d8fcac1d1300e72051ccdfd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ad1e18a071ac1deba2b949c3820d3f606e0c4ab8d8fcac1d1300e72051ccdfd", kill_on_drop: false }` [INFO] [stdout] 8ad1e18a071ac1deba2b949c3820d3f606e0c4ab8d8fcac1d1300e72051ccdfd [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] c35c98f438be47bd19863ef198a91467d34414d32db5994777a3a0a7e2e13843 [INFO] running `Command { std: "docker" "start" "-a" "c35c98f438be47bd19863ef198a91467d34414d32db5994777a3a0a7e2e13843", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling pkg-config v0.3.19 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling libloading v0.6.6 [INFO] [stderr] Compiling smallvec v1.5.1 [INFO] [stderr] Compiling once_cell v1.5.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling xml-rs v0.8.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling nix v0.18.0 [INFO] [stderr] Compiling dlib v0.4.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling wayland-sys v0.28.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling wayland-scanner v0.28.2 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling instant v0.1.9 [INFO] [stderr] Compiling ttf-parser v0.6.2 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling downcast-rs v1.2.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling futures-sink v0.3.8 [INFO] [stderr] Compiling futures-core v0.3.8 [INFO] [stderr] Compiling lock_api v0.4.2 [INFO] [stderr] Compiling futures-channel v0.3.8 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling gfx-hal v0.6.0 [INFO] [stderr] Compiling cc v1.0.66 [INFO] [stderr] Compiling parking_lot_core v0.8.1 [INFO] [stderr] Compiling wayland-client v0.28.2 [INFO] [stderr] Compiling cmake v0.1.45 [INFO] [stderr] Compiling wayland-protocols v0.28.2 [INFO] [stderr] Compiling shaderc-sys v0.6.3 [INFO] [stderr] Compiling owned_ttf_parser v0.6.0 [INFO] [stderr] Compiling futures-task v0.3.8 [INFO] [stderr] Compiling futures-io v0.3.8 [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-5faad70a62cfa78b/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' (861) 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: 0x5558aef63ea2 - 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: 0x5558aef63ea2 - 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: 0x5558aef63ea2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5558aef63ea2 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5558aef742ff - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5558aef742ff - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x5558aef330d1 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5558aef330d1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5558aef3e1f2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5558aef4138f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5558aef411e9 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5558aef41a15 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5558aef418aa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5558aef3e329 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5558aef2731d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5558aef77f30 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x5558aeed2a2b - build_script_build::cmd_finder::CommandFinder::must_have::{{closure}}::h3d6f7f27ed4e31bf [INFO] [stderr] 17: 0x5558aeed84f5 - core::option::Option::unwrap_or_else::h45a30380e9bc2abe [INFO] [stderr] 18: 0x5558aeed29ac - build_script_build::cmd_finder::CommandFinder::must_have::hf49bda7847474cc3 [INFO] [stderr] 19: 0x5558aeed5fb5 - build_script_build::main::h7b429f06139b5a74 [INFO] [stderr] 20: 0x5558aeed76f3 - core::ops::function::FnOnce::call_once::hc4db4fba423e159d [INFO] [stderr] 21: 0x5558aeed71a6 - std::sys::backtrace::__rust_begin_short_backtrace::h01811b00588b15c0 [INFO] [stderr] 22: 0x5558aeed7129 - std::rt::lang_start::{{closure}}::h962aa39ca87343c2 [INFO] [stderr] 23: 0x5558aef34ae0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 24: 0x5558aef34ae0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 25: 0x5558aef34ae0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 26: 0x5558aef34ae0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 27: 0x5558aef34ae0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 28: 0x5558aef34ae0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 29: 0x5558aef34ae0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 30: 0x5558aef34ae0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 31: 0x5558aef34ae0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 32: 0x5558aeed7111 - std::rt::lang_start::he91189eccb664b7a [INFO] [stderr] 33: 0x5558aeeda245 - main [INFO] [stderr] 34: 0x78f9320061ca - [INFO] [stderr] 35: 0x78f93200628b - __libc_start_main [INFO] [stderr] 36: 0x5558aeed1ac5 - _start [INFO] [stderr] 37: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "c35c98f438be47bd19863ef198a91467d34414d32db5994777a3a0a7e2e13843", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c35c98f438be47bd19863ef198a91467d34414d32db5994777a3a0a7e2e13843", kill_on_drop: false }` [INFO] [stdout] c35c98f438be47bd19863ef198a91467d34414d32db5994777a3a0a7e2e13843