[INFO] cloning repository https://github.com/dgkf/lothars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dgkf/lothars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgkf%2Flothars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgkf%2Flothars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bfa63f0d6fb1c95045c995c4d6e02e3c0cadd2e1
[INFO] testing dgkf/lothars against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdgkf%2Flothars" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dgkf/lothars
[INFO] finished tweaking git repo https://github.com/dgkf/lothars
[INFO] tweaked toml for git repo https://github.com/dgkf/lothars written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dgkf/lothars on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dgkf/lothars 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-2026-03-05" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.27.1
[INFO] [stderr]   Downloaded snap v1.0.5
[INFO] [stderr]   Downloaded protobuf v2.27.1
[INFO] [stderr]   Downloaded bitvec v1.0.0
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded protobuf-codegen v2.27.1
[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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 901148daac56a9ed1e61e0a9b0670961f3527c12770d1a57a554bbc3128b42c2
[INFO] running `Command { std: "docker" "start" "-a" "901148daac56a9ed1e61e0a9b0670961f3527c12770d1a57a554bbc3128b42c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "901148daac56a9ed1e61e0a9b0670961f3527c12770d1a57a554bbc3128b42c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901148daac56a9ed1e61e0a9b0670961f3527c12770d1a57a554bbc3128b42c2", kill_on_drop: false }`
[INFO] [stdout] 901148daac56a9ed1e61e0a9b0670961f3527c12770d1a57a554bbc3128b42c2
[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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87f1a4210ac49259b77ce62a56fa6dd8bae0c8baadaa518679b21a4e75a96be9
[INFO] running `Command { std: "docker" "start" "-a" "87f1a4210ac49259b77ce62a56fa6dd8bae0c8baadaa518679b21a4e75a96be9", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.27.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling wyz v0.5.0
[INFO] [stderr]    Compiling bitvec v1.0.0
[INFO] [stderr]    Compiling protobuf-codegen v2.27.1
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.27.1
[INFO] [stderr]    Compiling lothars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `lothars 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/lothars-40f5d180f9e9796f/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (258) panicked at build.rs:26:10:
[INFO] [stderr]   failed to codegen protobuf message definitions: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x602e7992231a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x602e7992231a - std[b80a194dd3c418bb]::backtrace_rs::backtrace::trace_unsynchronized::<std[b80a194dd3c418bb]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x602e7992231a - std[b80a194dd3c418bb]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x602e7992231a - <<std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[10b6fa85044e1869]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x602e79935faa - <core[10b6fa85044e1869]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x602e79935faa - core[10b6fa85044e1869]::fmt::write
[INFO] [stderr]      6:     0x602e79925bf2 - std[b80a194dd3c418bb]::io::default_write_fmt::<std[b80a194dd3c418bb]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x602e79925bf2 - <std[b80a194dd3c418bb]::sys::stdio::unix::Stderr as std[b80a194dd3c418bb]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x602e7990d7af - <std[b80a194dd3c418bb]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x602e7990d7af - std[b80a194dd3c418bb]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x602e7991e271 - std[b80a194dd3c418bb]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x602e7991e42b - std[b80a194dd3c418bb]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x602e7990d868 - std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x602e799054b9 - std[b80a194dd3c418bb]::sys::backtrace::__rust_end_short_backtrace::<std[b80a194dd3c418bb]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x602e7990e14d - __rustc[9698a3e60dd14283]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x602e7993685c - core[10b6fa85044e1869]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x602e799365d2 - core[10b6fa85044e1869]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x602e79731c00 - core::result::Result<T,E>::expect::hc4b399612243ecbc
[INFO] [stderr]     18:     0x602e79731754 - build_script_build::main::hf0aefb42d411ecc2
[INFO] [stderr]     19:     0x602e79731aa3 - core::ops::function::FnOnce::call_once::hfd7d286616342064
[INFO] [stderr]     20:     0x602e79731a46 - std::sys::backtrace::__rust_begin_short_backtrace::hfc077363863bac94
[INFO] [stderr]     21:     0x602e79731a29 - std::rt::lang_start::{{closure}}::h858e48f26cf58bad
[INFO] [stderr]     22:     0x602e7991d9f4 - <&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync as core[10b6fa85044e1869]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     23:     0x602e7991d9f4 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stderr]     24:     0x602e7991d9f4 - std[b80a194dd3c418bb]::panicking::catch_unwind::<i32, &dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync>
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stderr]     25:     0x602e7991d9f4 - std[b80a194dd3c418bb]::panic::catch_unwind::<&dyn core[10b6fa85044e1869]::ops::function::Fn<(), Output = i32> + core[10b6fa85044e1869]::panic::unwind_safe::RefUnwindSafe + core[10b6fa85044e1869]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x602e7991d9f4 - std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x602e7991d9f4 - std[b80a194dd3c418bb]::panicking::catch_unwind::do_call::<std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:581:40
[INFO] [stderr]     28:     0x602e7991d9f4 - std[b80a194dd3c418bb]::panicking::catch_unwind::<isize, std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panicking.rs:544:19
[INFO] [stderr]     29:     0x602e7991d9f4 - std[b80a194dd3c418bb]::panic::catch_unwind::<std[b80a194dd3c418bb]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x602e7991d9f4 - std[b80a194dd3c418bb]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x602e79731a11 - std::rt::lang_start::h887538a7cb09e218
[INFO] [stderr]     32:     0x602e79731f75 - main
[INFO] [stderr]     33:     0x7c82ad3931ca - <unknown>
[INFO] [stderr]     34:     0x7c82ad39328b - __libc_start_main
[INFO] [stderr]     35:     0x602e797314f5 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "87f1a4210ac49259b77ce62a56fa6dd8bae0c8baadaa518679b21a4e75a96be9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f1a4210ac49259b77ce62a56fa6dd8bae0c8baadaa518679b21a4e75a96be9", kill_on_drop: false }`
[INFO] [stdout] 87f1a4210ac49259b77ce62a56fa6dd8bae0c8baadaa518679b21a4e75a96be9