[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 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::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::<impl core::ops::function::FnOnce<A> 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 - <unknown>
[INFO] [stderr]     33:     0x777e76d8a28b - __libc_start_main
[INFO] [stderr]     34:     0x5667eeb3b335 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[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
