[INFO] fetching crate janet-ll 0.4.1...
[INFO] testing janet-ll-0.4.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate janet-ll 0.4.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate janet-ll 0.4.1
[INFO] finished tweaking crates.io crate janet-ll 0.4.1
[INFO] tweaked toml for crates.io crate janet-ll 0.4.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate janet-ll 0.4.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 55 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.49.4 (available: v0.72.1)
[INFO] [stderr]       Adding shlex v0.1.1 (available: v1.3.0)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 96ce0f22f92ff2c8a885986f8aece3b31aef5bb0091f378899ae1593472e195d
[INFO] running `Command { std: "docker" "start" "-a" "96ce0f22f92ff2c8a885986f8aece3b31aef5bb0091f378899ae1593472e195d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96ce0f22f92ff2c8a885986f8aece3b31aef5bb0091f378899ae1593472e195d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ce0f22f92ff2c8a885986f8aece3b31aef5bb0091f378899ae1593472e195d", kill_on_drop: false }`
[INFO] [stdout] 96ce0f22f92ff2c8a885986f8aece3b31aef5bb0091f378899ae1593472e195d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 10b74eedc95c7321964e5377597b39d767a583f2dbd283af3a2ab81f6c1a606c
[INFO] running `Command { std: "docker" "start" "-a" "10b74eedc95c7321964e5377597b39d767a583f2dbd283af3a2ab81f6c1a606c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling janet-ll v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `janet-ll v0.4.1 (/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/janet-ll-d33a1fdf8a4f3721/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (718) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/src/fallback.rs:594:9:
[INFO] [stderr]   "JanetFuncEnv_union_(unnamed_at__/csrc/janet_h_780_5)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5c1dd6bbf782 - 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:     0x5c1dd6bbf782 - 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:     0x5c1dd6bbf782 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5c1dd6bbf782 - <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:     0x5c1dd6bd086f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5c1dd6bd086f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x5c1dd6b91f61 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5c1dd6b91f61 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5c1dd6b9ccc2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5c1dd6b9f7ff - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x5c1dd6b9f659 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x5c1dd6b9fe85 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x5c1dd6b9fd1a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x5c1dd6b9cdf9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x5c1dd6b8651d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x5c1dd6bdaa00 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5c1dd6a8055f - proc_macro2::fallback::validate_ident::h3b6bdfa9871ef4cb
[INFO] [stderr]     17:     0x5c1dd6a82c81 - proc_macro2::fallback::Ident::_new::h1213994fa8e749ba
[INFO] [stderr]     18:     0x5c1dd6a82c3f - proc_macro2::fallback::Ident::new::h7121e4ac77416889
[INFO] [stderr]     19:     0x5c1dd6a78fd8 - proc_macro2::Ident::new::h843758de5e2e5c32
[INFO] [stderr]     20:     0x5c1dd67ea7d5 - bindgen::ir::context::BindgenContext::rust_ident_raw::hefc514bb25c80ee3
[INFO] [stderr]     21:     0x5c1dd67e8620 - bindgen::ir::context::BindgenContext::rust_ident::h1d9584bdea680459
[INFO] [stderr]     22:     0x5c1dd678058f - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::h14bf8c0fb4326758
[INFO] [stderr]     23:     0x5c1dd67a23b5 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h4b4c296a68f8a16c
[INFO] [stderr]     24:     0x5c1dd68415c5 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hee5e27e286bbedd5
[INFO] [stderr]     25:     0x5c1dd67887c5 - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::h14bf8c0fb4326758
[INFO] [stderr]     26:     0x5c1dd67a23b5 - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h4b4c296a68f8a16c
[INFO] [stderr]     27:     0x5c1dd68415c5 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hee5e27e286bbedd5
[INFO] [stderr]     28:     0x5c1dd6753505 - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::hc4ffe79dc875e571
[INFO] [stderr]     29:     0x5c1dd68256bd - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::hd9720b7b8a1a67b1
[INFO] [stderr]     30:     0x5c1dd684159d - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::hee5e27e286bbedd5
[INFO] [stderr]     31:     0x5c1dd675fdaf - bindgen::codegen::codegen::{{closure}}::h2a8e7ae95fab345d
[INFO] [stderr]     32:     0x5c1dd67f5ce8 - bindgen::ir::context::BindgenContext::gen::h786a0ce633016945
[INFO] [stderr]     33:     0x5c1dd675f51d - bindgen::codegen::codegen::h454284fd1e4c2719
[INFO] [stderr]     34:     0x5c1dd680e145 - bindgen::Bindings::generate::h39545dec1f6b444b
[INFO] [stderr]     35:     0x5c1dd680b371 - bindgen::Builder::generate::hdc27ebb141c35e49
[INFO] [stderr]     36:     0x5c1dd6703ea3 - build_script_build::main::h56615934dc838612
[INFO] [stderr]     37:     0x5c1dd6704973 - core::ops::function::FnOnce::call_once::he7fbfadd95fae08a
[INFO] [stderr]     38:     0x5c1dd6704866 - std::sys::backtrace::__rust_begin_short_backtrace::haa54f9d139bcd063
[INFO] [stderr]     39:     0x5c1dd6704849 - std::rt::lang_start::{{closure}}::h2547810ddb112177
[INFO] [stderr]     40:     0x5c1dd6b93ac0 - 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]     41:     0x5c1dd6b93ac0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     42:     0x5c1dd6b93ac0 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     43:     0x5c1dd6b93ac0 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     44:     0x5c1dd6b93ac0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stderr]     45:     0x5c1dd6b93ac0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     46:     0x5c1dd6b93ac0 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     47:     0x5c1dd6b93ac0 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     48:     0x5c1dd6b93ac0 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stderr]                                  at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stderr]     49:     0x5c1dd6704831 - std::rt::lang_start::h90e186fea4f52f3f
[INFO] [stderr]     50:     0x5c1dd6706045 - main
[INFO] [stderr]     51:     0x7ac1e981f1ca - <unknown>
[INFO] [stderr]     52:     0x7ac1e981f28b - __libc_start_main
[INFO] [stderr]     53:     0x5c1dd6703b75 - _start
[INFO] [stderr]     54:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "10b74eedc95c7321964e5377597b39d767a583f2dbd283af3a2ab81f6c1a606c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b74eedc95c7321964e5377597b39d767a583f2dbd283af3a2ab81f6c1a606c", kill_on_drop: false }`
[INFO] [stdout] 10b74eedc95c7321964e5377597b39d767a583f2dbd283af3a2ab81f6c1a606c