[INFO] cloning repository https://github.com/tuna-f1sh/mdflib-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuna-f1sh/mdflib-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuna-f1sh%2Fmdflib-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuna-f1sh%2Fmdflib-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43205228d67c4974641bf1b5a641e40d328e4a49
[INFO] testing tuna-f1sh/mdflib-rs against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuna-f1sh%2Fmdflib-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tuna-f1sh/mdflib-rs
[INFO] finished tweaking git repo https://github.com/tuna-f1sh/mdflib-rs
[INFO] tweaked toml for git repo https://github.com/tuna-f1sh/mdflib-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tuna-f1sh/mdflib-rs 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] crate git repo https://github.com/tuna-f1sh/mdflib-rs 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/tuna-f1sh/socketcan-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded neli-proc-macros v0.1.4
[INFO] [stderr]   Downloaded signal-hook-tokio v0.3.1
[INFO] [stderr]   Downloaded env_logger v0.11.9
[INFO] [stderr]   Downloaded neli v0.6.5
[INFO] [stderr]   Downloaded env_filter v1.0.0
[INFO] [stderr]   Downloaded portable-atomic-util v0.2.5
[INFO] [stderr]   Downloaded jiff-static v0.2.23
[INFO] [stderr]   Downloaded jiff v0.2.23
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c2f4abb26bf0653bcd3760a4c2948ee75013eaa7fc013a1c28153fdbb93dfd5
[INFO] running `Command { std: "docker" "start" "-a" "3c2f4abb26bf0653bcd3760a4c2948ee75013eaa7fc013a1c28153fdbb93dfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c2f4abb26bf0653bcd3760a4c2948ee75013eaa7fc013a1c28153fdbb93dfd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2f4abb26bf0653bcd3760a4c2948ee75013eaa7fc013a1c28153fdbb93dfd5", kill_on_drop: false }`
[INFO] [stdout] 3c2f4abb26bf0653bcd3760a4c2948ee75013eaa7fc013a1c28153fdbb93dfd5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6be99fd0f4369b9e6c0ec5a0b02f26f8d47ddff369b74b6ce556c03436b483cc
[INFO] running `Command { std: "docker" "start" "-a" "6be99fd0f4369b9e6c0ec5a0b02f26f8d47ddff369b74b6ce556c03436b483cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling mdflib-sys v0.2.1 (/opt/rustwide/workdir/mdflib-sys)
[INFO] [stderr] error: failed to run custom build command for `mdflib-sys v0.2.1 (/opt/rustwide/workdir/mdflib-sys)`
[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/mdflib-sys-07419ac7c070d9a7/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=/opt/rustwide/workdir/mdflib-sys/patches
[INFO] [stderr]   cargo:rerun-if-changed=/opt/rustwide/workdir/mdflib-sys/patches/0001-musl-compat.patch
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   CMake configure failed:
[INFO] [stderr]   stdout: 
[INFO] [stderr]   stderr: CMake Warning:
[INFO] [stderr]     Ignoring extra path from command line:
[INFO] [stderr] 
[INFO] [stderr]      "/opt/rustwide/workdir/mdflib-sys/bundled"
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   CMake Error: The source directory "/opt/rustwide/workdir/mdflib-sys/bundled" does not appear to contain CMakeLists.txt.
[INFO] [stderr]   Specify --help for usage, or press the help button on the CMake GUI.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (325) panicked at mdflib-sys/build.rs:770:5:
[INFO] [stderr]   CMake configuration failed
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57e026f0beca - 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:     0x57e026f0beca - 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:     0x57e026f0beca - std[128c3efe2914e152]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x57e026f0beca - <<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:     0x57e026f242fa - <core[6771d259883166e6]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x57e026f242fa - core[6771d259883166e6]::fmt::write
[INFO] [stderr]      6:     0x57e026f12462 - 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:     0x57e026f12462 - <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:     0x57e026ee824f - <std[128c3efe2914e152]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x57e026ee824f - std[128c3efe2914e152]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x57e026f03171 - std[128c3efe2914e152]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x57e026f033eb - std[128c3efe2914e152]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x57e026ee833a - std[128c3efe2914e152]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x57e026edd339 - 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:     0x57e026ee90dd - __rustc[752cc74e29381ccc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x57e026f24b3c - core[6771d259883166e6]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x57e026904be4 - build_script_build::panic_with_dependency_errors::h4131ceeeacb897b4
[INFO] [stderr]     17:     0x57e0268fd419 - build_script_build::build_bundled::hb36afbfab12152e2
[INFO] [stderr]     18:     0x57e02690583b - build_script_build::main::h24942428a296f370
[INFO] [stderr]     19:     0x57e026906823 - core::ops::function::FnOnce::call_once::hd8e62502ca0090bb
[INFO] [stderr]     20:     0x57e026909006 - std::sys::backtrace::__rust_begin_short_backtrace::h9b9afe56699d32c9
[INFO] [stderr]     21:     0x57e0268f9559 - std::rt::lang_start::{{closure}}::h0055385fa0e8778a
[INFO] [stderr]     22:     0x57e026f01dc4 - <&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]     23:     0x57e026f01dc4 - 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]     24:     0x57e026f01dc4 - 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]     25:     0x57e026f01dc4 - 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]     26:     0x57e026f01dc4 - std[128c3efe2914e152]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x57e026f01dc4 - 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]     28:     0x57e026f01dc4 - 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]     29:     0x57e026f01dc4 - 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]     30:     0x57e026f01dc4 - std[128c3efe2914e152]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x57e0268f9541 - std::rt::lang_start::h57aa01038afb05d4
[INFO] [stderr]     32:     0x57e026905b45 - main
[INFO] [stderr]     33:     0x7630093931ca - <unknown>
[INFO] [stderr]     34:     0x76300939328b - __libc_start_main
[INFO] [stderr]     35:     0x57e0268f5ef5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "6be99fd0f4369b9e6c0ec5a0b02f26f8d47ddff369b74b6ce556c03436b483cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be99fd0f4369b9e6c0ec5a0b02f26f8d47ddff369b74b6ce556c03436b483cc", kill_on_drop: false }`
[INFO] [stdout] 6be99fd0f4369b9e6c0ec5a0b02f26f8d47ddff369b74b6ce556c03436b483cc