[INFO] fetching crate liboscore 0.2.4... [INFO] testing liboscore-0.2.4 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate liboscore 0.2.4 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate liboscore 0.2.4 [INFO] finished tweaking crates.io crate liboscore 0.2.4 [INFO] tweaked toml for crates.io crate liboscore 0.2.4 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate liboscore 0.2.4 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] crate crates.io crate liboscore 0.2.4 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-2025-10-28" "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] ce492083b01ac3cd2515bd80e444b3112a16af6b349a1d7383519aa1745fc63b [INFO] running `Command { std: "docker" "start" "-a" "ce492083b01ac3cd2515bd80e444b3112a16af6b349a1d7383519aa1745fc63b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ce492083b01ac3cd2515bd80e444b3112a16af6b349a1d7383519aa1745fc63b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce492083b01ac3cd2515bd80e444b3112a16af6b349a1d7383519aa1745fc63b", kill_on_drop: false }` [INFO] [stdout] ce492083b01ac3cd2515bd80e444b3112a16af6b349a1d7383519aa1745fc63b [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] c82cdd501fa02aabc4e6e2bbbe313d4ba3e60745b5be830c57f3597652c125f3 [INFO] running `Command { std: "docker" "start" "-a" "c82cdd501fa02aabc4e6e2bbbe313d4ba3e60745b5be830c57f3597652c125f3", kill_on_drop: false }` [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling subtle v2.5.0 [INFO] [stderr] Compiling zeroize v1.7.0 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Compiling serde v1.0.198 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Compiling bitflags v2.5.0 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling prettyplease v0.2.22 [INFO] [stderr] Compiling rustix v0.38.32 [INFO] [stderr] Compiling clang-sys v1.7.0 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling generic-array v0.12.4 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling serde_json v1.0.116 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling inout v0.1.3 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling cipher v0.4.4 [INFO] [stderr] Compiling universal-hash v0.5.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling heapless v0.5.6 [INFO] [stderr] Compiling linux-raw-sys v0.4.13 [INFO] [stderr] Compiling minicbor v0.19.1 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling as-slice v0.1.5 [INFO] [stderr] Compiling aead v0.5.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling hash32 v0.1.1 [INFO] [stderr] Compiling libloading v0.8.3 [INFO] [stderr] Compiling either v1.11.0 [INFO] [stderr] Compiling bindgen v0.70.1 [INFO] [stderr] Compiling litrs v0.4.1 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling cbindgen v0.24.5 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling fastrand v2.0.2 [INFO] [stderr] Compiling document-features v0.2.8 [INFO] [stderr] Compiling coap-message v0.3.1 [INFO] [stderr] Compiling itertools v0.13.0 [INFO] [stderr] Compiling tempfile v3.10.1 [INFO] [stderr] Compiling heapless v0.7.17 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling cexpr v0.6.0 [INFO] [stderr] Compiling ctr v0.9.2 [INFO] [stderr] Compiling polyval v0.6.2 [INFO] [stderr] Compiling coap-numbers v0.2.3 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Compiling ghash v0.5.1 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling hmac v0.12.1 [INFO] [stderr] Compiling chacha20 v0.9.1 [INFO] [stderr] Compiling coap-message-utils v0.3.2 [INFO] [stderr] Compiling aes v0.8.4 [INFO] [stderr] Compiling poly1305 v0.8.0 [INFO] [stderr] Compiling hash32 v0.2.1 [INFO] [stderr] Compiling cc v1.0.94 [INFO] [stderr] Compiling aes-gcm v0.10.3 [INFO] [stderr] Compiling chacha20poly1305 v0.10.1 [INFO] [stderr] Compiling coap-message-implementations v0.1.1 [INFO] [stderr] Compiling hkdf v0.12.4 [INFO] [stderr] Compiling ccm v0.5.0 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Compiling liboscore-msgbackend v0.2.4 [INFO] [stderr] Compiling pretty-hex v0.3.0 [INFO] [stderr] Compiling liboscore-cryptobackend v0.2.4 [INFO] [stderr] Compiling serde_derive v1.0.198 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling liboscore v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `liboscore v0.2.4 (/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/liboscore-9979bf1b85693f51/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (1384) panicked at build.rs:124:25: [INFO] [stderr] Can not find matching backends for own directory "workdir" [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5667ef4d4432 - 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: 0x5667ef4d4432 - 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: 0x5667ef4d4432 - std::sys::backtrace::_print_fmt::h8ac8268cb667a306 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x5667ef4d4432 - ::fmt::h47627beda0767f4c [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x5667ef4e6b5f - core::fmt::rt::Argument::fmt::h686a01ad57c1c92a [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x5667ef4e6b5f - core::fmt::write::h8a63064c67176fd8 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/fmt/mod.rs:1469:25 [INFO] [stderr] 6: 0x5667ef4a1d53 - std::io::default_write_fmt::hc257f38f86d39af6 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x5667ef4a1d53 - std::io::Write::write_fmt::h5e9b646cef91150b [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x5667ef4ae052 - std::sys::backtrace::BacktraceLock::print::h4634d27c0afbaebb [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x5667ef4b16cf - std::panicking::default_hook::{{closure}}::h23e0299d4738b766 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x5667ef4b1529 - std::panicking::default_hook::hfeec6294e8751b62 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x5667ef4b1d55 - std::panicking::panic_with_hook::hd57cd463d793ed79 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x5667ef4b1b3a - std::panicking::panic_handler::{{closure}}::hddd6216c3fddee3b [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x5667ef4ae189 - std::sys::backtrace::__rust_end_short_backtrace::h5e7a56f283378525 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x5667ef49573d - __rustc[256c90bb7e548b45]::rust_begin_unwind [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x5667ef4f0f90 - core::panicking::panic_fmt::hf19c198748ef6a95 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/panicking.rs:80:14 [INFO] [stderr] 16: 0x5667eec49644 - build_script_build::run_cbindgen::h8df102ca8bb2ac06 [INFO] [stderr] 17: 0x5667eec4a1af - build_script_build::main::h529cc378389d2140 [INFO] [stderr] 18: 0x5667eec51783 - core::ops::function::FnOnce::call_once::h4aaf958a51fd555f [INFO] [stderr] 19: 0x5667eec515f6 - std::sys::backtrace::__rust_begin_short_backtrace::ha2ce77dd73d61bdb [INFO] [stderr] 20: 0x5667eec3fc39 - std::rt::lang_start::{{closure}}::hc02f699574fc5fd6 [INFO] [stderr] 21: 0x5667ef4a38a0 - core::ops::function::impls:: for &F>::call_once::hdf957eac011d0136 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 22: 0x5667ef4a38a0 - std::panicking::catch_unwind::do_call::h9ff550f7799115e1 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stderr] 23: 0x5667ef4a38a0 - std::panicking::catch_unwind::ha7ce46787bb12905 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stderr] 24: 0x5667ef4a38a0 - std::panic::catch_unwind::h625b36596def7d39 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stderr] 25: 0x5667ef4a38a0 - std::rt::lang_start_internal::{{closure}}::h4cbc9430de699e2c [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:175:24 [INFO] [stderr] 26: 0x5667ef4a38a0 - std::panicking::catch_unwind::do_call::h5af2f11409a22e3e [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:590:40 [INFO] [stderr] 27: 0x5667ef4a38a0 - std::panicking::catch_unwind::hf64cf7b0d8070f52 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panicking.rs:553:19 [INFO] [stderr] 28: 0x5667ef4a38a0 - std::panic::catch_unwind::h480b74763390cdcf [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/panic.rs:359:14 [INFO] [stderr] 29: 0x5667ef4a38a0 - std::rt::lang_start_internal::h4b3d04f698aef094 [INFO] [stderr] at /rustc/3b4dd9bf1410f8da6329baa36ce5e37673cbbd1f/library/std/src/rt.rs:171:5 [INFO] [stderr] 30: 0x5667eec3fc21 - std::rt::lang_start::hf7be3c161f086df0 [INFO] [stderr] 31: 0x5667eec50da5 - main [INFO] [stderr] 32: 0x777e76d8a1ca - [INFO] [stderr] 33: 0x777e76d8a28b - __libc_start_main [INFO] [stderr] 34: 0x5667eeb3b335 - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "c82cdd501fa02aabc4e6e2bbbe313d4ba3e60745b5be830c57f3597652c125f3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c82cdd501fa02aabc4e6e2bbbe313d4ba3e60745b5be830c57f3597652c125f3", kill_on_drop: false }` [INFO] [stdout] c82cdd501fa02aabc4e6e2bbbe313d4ba3e60745b5be830c57f3597652c125f3