[INFO] fetching crate liboscore 0.2.4...
[INFO] testing liboscore-0.2.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate liboscore 0.2.4 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate liboscore 0.2.4 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 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7c24df537999330775326620a34672dc99f3d09305fb26990b82f8359a1bff06
[INFO] running `Command { std: "docker" "start" "-a" "7c24df537999330775326620a34672dc99f3d09305fb26990b82f8359a1bff06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c24df537999330775326620a34672dc99f3d09305fb26990b82f8359a1bff06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c24df537999330775326620a34672dc99f3d09305fb26990b82f8359a1bff06", kill_on_drop: false }`
[INFO] [stdout] 7c24df537999330775326620a34672dc99f3d09305fb26990b82f8359a1bff06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 148013e782ac945682d419471c7077cf6dcce4b366fdc6aac41d6458957ff33b
[INFO] running `Command { std: "docker" "start" "-a" "148013e782ac945682d419471c7077cf6dcce4b366fdc6aac41d6458957ff33b", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling prettyplease v0.2.22
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling minicbor v0.19.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]    Compiling cbindgen v0.24.5
[INFO] [stderr]    Compiling either v1.11.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling document-features v0.2.8
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling coap-message v0.3.1
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling coap-numbers v0.2.3
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling chacha20 v0.9.1
[INFO] [stderr]    Compiling poly1305 v0.8.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling coap-message-utils v0.3.2
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling coap-message-implementations v0.1.1
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling chacha20poly1305 v0.10.1
[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' (1467) panicked at build.rs:124:25:
[INFO] [stderr]   Can not find matching backends for own directory "workdir"
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x608e46c81752 - 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:     0x608e46c81752 - 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:     0x608e46c81752 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x608e46c81752 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x608e46c9405f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x608e46c9405f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x608e46c4ea11 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x608e46c4ea11 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x608e46c5aff2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x608e46c5e6df - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x608e46c5e539 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x608e46c5ee15 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x608e46c5ebfa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x608e46c5b129 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x608e46c4226d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x608e46c9e4c0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x608e463d2884 - build_script_build::run_cbindgen::h2334733f92653ffb
[INFO] [stderr]     17:     0x608e463d33ef - build_script_build::main::h654e1872f5502004
[INFO] [stderr]     18:     0x608e463dde53 - core::ops::function::FnOnce::call_once::h68228ba0fa449173
[INFO] [stderr]     19:     0x608e463eb736 - std::sys::backtrace::__rust_begin_short_backtrace::hd671840fb495abb0
[INFO] [stderr]     20:     0x608e46401b59 - std::rt::lang_start::{{closure}}::h473acf975a36902f
[INFO] [stderr]     21:     0x608e46c505a0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4967fb77e0dfb65c
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x608e46c505a0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x608e46c505a0 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x608e46c505a0 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x608e46c505a0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x608e46c505a0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x608e46c505a0 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x608e46c505a0 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x608e46c505a0 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x608e46401b41 - std::rt::lang_start::h25ca07cc3af5d753
[INFO] [stderr]     31:     0x608e463d9ac5 - main
[INFO] [stderr]     32:     0x79e62fd501ca - <unknown>
[INFO] [stderr]     33:     0x79e62fd5028b - __libc_start_main
[INFO] [stderr]     34:     0x608e462cf085 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "148013e782ac945682d419471c7077cf6dcce4b366fdc6aac41d6458957ff33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "148013e782ac945682d419471c7077cf6dcce4b366fdc6aac41d6458957ff33b", kill_on_drop: false }`
[INFO] [stdout] 148013e782ac945682d419471c7077cf6dcce4b366fdc6aac41d6458957ff33b
