[INFO] fetching crate loopdev 0.4.0... [INFO] testing loopdev-0.4.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate loopdev 0.4.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate loopdev 0.4.0 [INFO] finished tweaking crates.io crate loopdev 0.4.0 [INFO] tweaked toml for crates.io crate loopdev 0.4.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate loopdev 0.4.0 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 51 packages to latest compatible versions [INFO] [stderr] Adding bindgen v0.59.2 (available: v0.72.1) [INFO] [stderr] Adding errno v0.2.8 (available: v0.3.14) [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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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] fb8c8ad092deb3bb6db8b0aee6499364fe879295a4772027e3548fc3d4a3ec76 [INFO] running `Command { std: "docker" "start" "-a" "fb8c8ad092deb3bb6db8b0aee6499364fe879295a4772027e3548fc3d4a3ec76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb8c8ad092deb3bb6db8b0aee6499364fe879295a4772027e3548fc3d4a3ec76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb8c8ad092deb3bb6db8b0aee6499364fe879295a4772027e3548fc3d4a3ec76", kill_on_drop: false }` [INFO] [stdout] fb8c8ad092deb3bb6db8b0aee6499364fe879295a4772027e3548fc3d4a3ec76 [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] de114ad399a8caf4c43ec01666fc2a640545f6636f01a7d8b176991fc0e411f4 [INFO] running `Command { std: "docker" "start" "-a" "de114ad399a8caf4c43ec01666fc2a640545f6636f01a7d8b176991fc0e411f4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling regex-syntax v0.8.6 [INFO] [stderr] Compiling bindgen v0.59.2 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling clang-sys v1.8.1 [INFO] [stderr] Compiling errno v0.2.8 [INFO] [stderr] Compiling regex-automata v0.4.11 [INFO] [stderr] Compiling regex v1.11.3 [INFO] [stderr] Compiling loopdev v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `loopdev v0.4.0 (/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/loopdev-e0ced82dfcce47b5/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (215) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bindgen-0.59.2/src/ir/context.rs:878:9: [INFO] [stderr] "enum_(unnamed_at_/usr/include/linux/loop_h_16_1)" is not a valid Ident [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x61edee441002 - 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: 0x61edee441002 - 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: 0x61edee441002 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x61edee441002 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x61edee4521af - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x61edee4521af - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x61edee413671 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x61edee413671 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x61edee41e3d2 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x61edee420f0f - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x61edee420d69 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x61edee421645 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x61edee42142a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x61edee41e509 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x61edee407a6d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x61edee45c080 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x61edee3e365f - proc_macro2::fallback::validate_ident::h79055cbd510e7bc5 [INFO] [stderr] 17: 0x61edee3e3d88 - proc_macro2::fallback::Ident::new_checked::h381addd91ab7e2fc [INFO] [stderr] 18: 0x61edee3e96f2 - proc_macro2::imp::Ident::new_checked::h6c4723981633d943 [INFO] [stderr] 19: 0x61edee3f7bf7 - proc_macro2::Ident::new::h4fd70cb5439da2a2 [INFO] [stderr] 20: 0x61edee125516 - bindgen::ir::context::BindgenContext::rust_ident_raw::h68f0fdd23a949ff8 [INFO] [stderr] 21: 0x61edee1230c0 - bindgen::ir::context::BindgenContext::rust_ident::h59967121682fb067 [INFO] [stderr] 22: 0x61edee10809e - ::codegen::hbf16206dfaeb9509 [INFO] [stderr] 23: 0x61edee104876 - ::codegen::h67d3b1c2744b8422 [INFO] [stderr] 24: 0x61edee1b644d - ::codegen::h36cfbf098a1f9694 [INFO] [stderr] 25: 0x61edee187255 - ::codegen::{{closure}}::hfee51de78ff5a48d [INFO] [stderr] 26: 0x61edee1bb335 - ::codegen::h6e2c625205d98e14 [INFO] [stderr] 27: 0x61edee1b6432 - ::codegen::h36cfbf098a1f9694 [INFO] [stderr] 28: 0x61edee19431e - bindgen::codegen::codegen::{{closure}}::h7c312efef21980c0 [INFO] [stderr] 29: 0x61edee12fc38 - bindgen::ir::context::BindgenContext::gen::h5d84aacbd7eebc6c [INFO] [stderr] 30: 0x61edee193c2d - bindgen::codegen::codegen::h97cc71195d1c16c6 [INFO] [stderr] 31: 0x61edee0b856d - bindgen::Bindings::generate::hb77c1dba5ab8e297 [INFO] [stderr] 32: 0x61edee0b551b - bindgen::Builder::generate::h8859d06a02d6d635 [INFO] [stderr] 33: 0x61edee092f45 - build_script_build::main::hd0c32ac60b2a83e5 [INFO] [stderr] 34: 0x61edee093a23 - core::ops::function::FnOnce::call_once::h1978d66d52378575 [INFO] [stderr] 35: 0x61edee0938d6 - std::sys::backtrace::__rust_begin_short_backtrace::h4828fb1727305371 [INFO] [stderr] 36: 0x61edee0938b9 - std::rt::lang_start::{{closure}}::h8780fb9308789e84 [INFO] [stderr] 37: 0x61edee4151d0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 38: 0x61edee4151d0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 39: 0x61edee4151d0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 40: 0x61edee4151d0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 41: 0x61edee4151d0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 42: 0x61edee4151d0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 43: 0x61edee4151d0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 44: 0x61edee4151d0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 45: 0x61edee4151d0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 46: 0x61edee0938a1 - std::rt::lang_start::hca5cb1cfbe3c3dcf [INFO] [stderr] 47: 0x61edee094bd5 - main [INFO] [stderr] 48: 0x7ba7313c41ca - [INFO] [stderr] 49: 0x7ba7313c428b - __libc_start_main [INFO] [stderr] 50: 0x61edee092cc5 - _start [INFO] [stderr] 51: 0x0 - [INFO] running `Command { std: "docker" "inspect" "de114ad399a8caf4c43ec01666fc2a640545f6636f01a7d8b176991fc0e411f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de114ad399a8caf4c43ec01666fc2a640545f6636f01a7d8b176991fc0e411f4", kill_on_drop: false }` [INFO] [stdout] de114ad399a8caf4c43ec01666fc2a640545f6636f01a7d8b176991fc0e411f4