[INFO] fetching crate cwtch-imp 0.3.1...
[INFO] testing cwtch-imp-0.3.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate cwtch-imp 0.3.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate cwtch-imp 0.3.1
[INFO] finished tweaking crates.io crate cwtch-imp 0.3.1
[INFO] tweaked toml for crates.io crate cwtch-imp 0.3.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cwtch-imp 0.3.1 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 cwtch-imp 0.3.1 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] [stderr]     Blocking waiting for file lock on package cache
[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] e5c88d39242826477b22ac4fc320e44121a9fbbe88995c177646b54ba25143f0
[INFO] running `Command { std: "docker" "start" "-a" "e5c88d39242826477b22ac4fc320e44121a9fbbe88995c177646b54ba25143f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5c88d39242826477b22ac4fc320e44121a9fbbe88995c177646b54ba25143f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c88d39242826477b22ac4fc320e44121a9fbbe88995c177646b54ba25143f0", kill_on_drop: false }`
[INFO] [stdout] e5c88d39242826477b22ac4fc320e44121a9fbbe88995c177646b54ba25143f0
[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] a618256dd6af4205410b239d79ca850b6841986877e79670b40d1e37d060eb0c
[INFO] running `Command { std: "docker" "start" "-a" "a618256dd6af4205410b239d79ca850b6841986877e79670b40d1e37d060eb0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling libloading v0.7.4
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling bindgen v0.65.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cpufeatures v0.2.9
[INFO] [stderr]    Compiling shlex v1.2.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling regex-automata v0.4.2
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.10.1
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling prettyplease v0.2.15
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling serde_repr v0.1.16
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]    Compiling libcwtch v0.8.0
[INFO] [stderr]    Compiling serde_with v1.14.0
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr] error: failed to run custom build command for `libcwtch v0.8.0`
[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/libcwtch-6c6b1540c5e5b833/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-flags=-L /opt/rustwide/target/debug/build/libcwtch-404459f93b50c532/out
[INFO] [stderr]   cargo:rustc-link-lib=Cwtch
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   cargo:rerun-if-changed=libCwtch.h
[INFO] [stderr]   cargo:rerun-if-env-changed=TARGET
[INFO] [stderr]   cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS_x86_64-unknown-linux-gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS_x86_64_unknown_linux_gnu
[INFO] [stderr]   cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS
[INFO] [stderr]   cargo:rerun-if-changed=/usr/lib/llvm-18/lib/clang/18/include/stddef.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/lib/llvm-18/lib/clang/18/include/__stddef_ptrdiff_t.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/lib/llvm-18/lib/clang/18/include/__stddef_size_t.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/lib/llvm-18/lib/clang/18/include/__stddef_wchar_t.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/lib/llvm-18/lib/clang/18/include/__stddef_null.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/lib/llvm-18/lib/clang/18/include/__stddef_max_align_t.h
[INFO] [stderr]   cargo:rerun-if-changed=/usr/lib/llvm-18/lib/clang/18/include/__stddef_offsetof.h
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (920) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libcwtch-0.8.0/build.rs:41:14:
[INFO] [stderr]   Couldn't write bindings!: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x64e72ce8bc12 - 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:     0x64e72ce8bc12 - 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:     0x64e72ce8bc12 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x64e72ce8bc12 - <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:     0x64e72ce9ce9f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x64e72ce9ce9f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x64e72ce5d1f1 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x64e72ce5d1f1 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x64e72ce68cb2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x64e72ce6bb8f - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x64e72ce6b9e9 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x64e72ce6c2c5 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x64e72ce6c0aa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x64e72ce68de9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x64e72ce511dd - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x64e72cea6db0 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x64e72cea6036 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x64e72ca83db0 - core::result::Result<T,E>::expect::h014946e93a01a17f
[INFO] [stderr]     18:     0x64e72c97ddf2 - build_script_build::main::h96c5cafc9ab2e8c8
[INFO] [stderr]     19:     0x64e72c97f8e3 - core::ops::function::FnOnce::call_once::h7b54291e673ea874
[INFO] [stderr]     20:     0x64e72c97f646 - std::sys::backtrace::__rust_begin_short_backtrace::h70cbd5a227d317b7
[INFO] [stderr]     21:     0x64e72c97f5c9 - std::rt::lang_start::{{closure}}::h086dca817206cb9f
[INFO] [stderr]     22:     0x64e72ce5ed50 - 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]     23:     0x64e72ce5ed50 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x64e72ce5ed50 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x64e72ce5ed50 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x64e72ce5ed50 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x64e72ce5ed50 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x64e72ce5ed50 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x64e72ce5ed50 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x64e72ce5ed50 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x64e72c97f5b1 - std::rt::lang_start::hfe44b7594119a113
[INFO] [stderr]     32:     0x64e72c9824b5 - main
[INFO] [stderr]     33:     0x7f9a398441ca - <unknown>
[INFO] [stderr]     34:     0x7f9a3984428b - __libc_start_main
[INFO] [stderr]     35:     0x64e72c97bd55 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a618256dd6af4205410b239d79ca850b6841986877e79670b40d1e37d060eb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a618256dd6af4205410b239d79ca850b6841986877e79670b40d1e37d060eb0c", kill_on_drop: false }`
[INFO] [stdout] a618256dd6af4205410b239d79ca850b6841986877e79670b40d1e37d060eb0c