[INFO] fetching crate usbfs-sys 0.1.0...
[INFO] testing usbfs-sys-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate usbfs-sys 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate usbfs-sys 0.1.0
[INFO] finished tweaking crates.io crate usbfs-sys 0.1.0
[INFO] tweaked toml for crates.io crate usbfs-sys 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate usbfs-sys 0.1.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 57 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.46.0 (available: v0.72.1)
[INFO] [stderr]       Adding nix v0.12.1 (available: v0.31.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c388fe9e57c9acbb7ee15db665849df9d5e8dee3a745849b82a8ee0acec4f4d
[INFO] running `Command { std: "docker" "start" "-a" "4c388fe9e57c9acbb7ee15db665849df9d5e8dee3a745849b82a8ee0acec4f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c388fe9e57c9acbb7ee15db665849df9d5e8dee3a745849b82a8ee0acec4f4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c388fe9e57c9acbb7ee15db665849df9d5e8dee3a745849b82a8ee0acec4f4d", kill_on_drop: false }`
[INFO] [stdout] 4c388fe9e57c9acbb7ee15db665849df9d5e8dee3a745849b82a8ee0acec4f4d
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fac34e831e98088b290fc4387abaa7edfdeb891f4ec4365b8c88acb5f87cdab
[INFO] running `Command { std: "docker" "start" "-a" "8fac34e831e98088b290fc4387abaa7edfdeb891f4ec4365b8c88acb5f87cdab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling bindgen v0.46.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling nix v0.12.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling usbfs-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `usbfs-sys v0.1.0 (/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/usbfs-sys-05f5c42e684306ea/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (860) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/src/fallback.rs:594:9:
[INFO] [stderr]   "urb_union_(anonymous_at_/usr/include/linux/usbdevice_fs_h_126_2)" is not a valid Ident
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x63fbe0ee570a - std[128c3efe2914e152]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x63fbe0ee570a - std[128c3efe2914e152]::backtrace_rs::backtrace::trace_unsynchronized::<std[128c3efe2914e152]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x63fbe0ee570a - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x63fbe0ee570a - <<std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6771d259883166e6]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x63fbe0efac1a - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x63fbe0efac1a - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x63fbe0eea442 - std[128c3efe2914e152]::io::default_write_fmt::<std[128c3efe2914e152]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x63fbe0eea442 - <std[128c3efe2914e152]::sys::stdio::unix::Stderr as std[128c3efe2914e152]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x63fbe0ec8f3f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x63fbe0ec8f3f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x63fbe0ee03d1 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x63fbe0ee058b - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x63fbe0ec8ff8 - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x63fbe0ebe149 - std[128c3efe2914e152]::sys::backtrace::__rust_end_short_backtrace::<std[128c3efe2914e152]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x63fbe0ec995d - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x63fbe0efb48c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x63fbe0db798b - proc_macro2::fallback::validate_ident::h127325a42937b7b7
[INFO] [stderr]     17:     0x63fbe0dba081 - proc_macro2::fallback::Ident::_new::h3215b13cd49d8b59
[INFO] [stderr]     18:     0x63fbe0dba03f - proc_macro2::fallback::Ident::new::h7ca6bec0211ce8bb
[INFO] [stderr]     19:     0x63fbe0dafb38 - proc_macro2::Ident::new::h9d60c21de375d311
[INFO] [stderr]     20:     0x63fbe0b88285 - bindgen::ir::context::BindgenContext::rust_ident_raw::h9d498da371d12fb0
[INFO] [stderr]     21:     0x63fbe0b861e0 - bindgen::ir::context::BindgenContext::rust_ident::hb5267166967270c8
[INFO] [stderr]     22:     0x63fbe0a3ce4c - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::he53e3e7f537da14e
[INFO] [stderr]     23:     0x63fbe0a6b2de - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h8318077633fd987a
[INFO] [stderr]     24:     0x63fbe0ad5d5a - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h20102663ad68628c
[INFO] [stderr]     25:     0x63fbe0a44fd1 - <bindgen::ir::comp::CompInfo as bindgen::codegen::CodeGenerator>::codegen::he53e3e7f537da14e
[INFO] [stderr]     26:     0x63fbe0a6b2de - <bindgen::ir::ty::Type as bindgen::codegen::CodeGenerator>::codegen::h8318077633fd987a
[INFO] [stderr]     27:     0x63fbe0ad5d5a - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h20102663ad68628c
[INFO] [stderr]     28:     0x63fbe0ab844d - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::{{closure}}::h90250718159c7a73
[INFO] [stderr]     29:     0x63fbe0a9a23d - <bindgen::ir::module::Module as bindgen::codegen::CodeGenerator>::codegen::h1e71f276f314ccce
[INFO] [stderr]     30:     0x63fbe0ad5d32 - <bindgen::ir::item::Item as bindgen::codegen::CodeGenerator>::codegen::h20102663ad68628c
[INFO] [stderr]     31:     0x63fbe0ac98be - bindgen::codegen::codegen::{{closure}}::h0a1c90730b8806d3
[INFO] [stderr]     32:     0x63fbe0b937b8 - bindgen::ir::context::BindgenContext::gen::hb5e59ab17255f9b1
[INFO] [stderr]     33:     0x63fbe0ac8f8f - bindgen::codegen::codegen::hd3e1d4c3c1ebaae5
[INFO] [stderr]     34:     0x63fbe0b5dd13 - bindgen::Bindings::generate::h28b5dfb9294d5b5e
[INFO] [stderr]     35:     0x63fbe0b5973d - bindgen::Builder::generate::h98e7b2d1491671a2
[INFO] [stderr]     36:     0x63fbe0a16902 - build_script_build::main::he7d73e10b8948c0f
[INFO] [stderr]     37:     0x63fbe0a17353 - core::ops::function::FnOnce::call_once::h3abae39dae7e764f
[INFO] [stderr]     38:     0x63fbe0a17186 - std::sys::backtrace::__rust_begin_short_backtrace::h7be55fe590f3132d
[INFO] [stderr]     39:     0x63fbe0a17169 - std::rt::lang_start::{{closure}}::haebe2255cfe6d9ef
[INFO] [stderr]     40:     0x63fbe0edf534 - <&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe as core[6771d259883166e6]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     41:     0x63fbe0edf534 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     42:     0x63fbe0edf534 - std[128c3efe2914e152]::panicking::catch_unwind::<i32, &dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     43:     0x63fbe0edf534 - std[128c3efe2914e152]::panic::catch_unwind::<&dyn core[6771d259883166e6]::ops::function::Fn<(), Output = i32> + core[6771d259883166e6]::marker::Sync + core[6771d259883166e6]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     44:     0x63fbe0edf534 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     45:     0x63fbe0edf534 - std[128c3efe2914e152]::panicking::catch_unwind::do_call::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:581:40
[INFO] [stderr]     46:     0x63fbe0edf534 - std[128c3efe2914e152]::panicking::catch_unwind::<isize, std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:544:19
[INFO] [stderr]     47:     0x63fbe0edf534 - std[128c3efe2914e152]::panic::catch_unwind::<std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panic.rs:359:14
[INFO] [stderr]     48:     0x63fbe0edf534 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     49:     0x63fbe0a17151 - std::rt::lang_start::hd942665feaba821e
[INFO] [stderr]     50:     0x63fbe0a18875 - main
[INFO] [stderr]     51:     0x74ab34d701ca - <unknown>
[INFO] [stderr]     52:     0x74ab34d7028b - __libc_start_main
[INFO] [stderr]     53:     0x63fbe0a16645 - _start
[INFO] [stderr]     54:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "8fac34e831e98088b290fc4387abaa7edfdeb891f4ec4365b8c88acb5f87cdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fac34e831e98088b290fc4387abaa7edfdeb891f4ec4365b8c88acb5f87cdab", kill_on_drop: false }`
[INFO] [stdout] 8fac34e831e98088b290fc4387abaa7edfdeb891f4ec4365b8c88acb5f87cdab
