[INFO] fetching crate flaregun 0.4.0... [INFO] testing flaregun-0.4.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate flaregun 0.4.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate flaregun 0.4.0 [INFO] finished tweaking crates.io crate flaregun 0.4.0 [INFO] tweaked toml for crates.io crate flaregun 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate flaregun 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] crate crates.io crate flaregun 0.4.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8e67d4780f8f7b2bd25b02791bc6a9ca9ed986500d4042abf60b138213be867a [INFO] running `Command { std: "docker" "start" "-a" "8e67d4780f8f7b2bd25b02791bc6a9ca9ed986500d4042abf60b138213be867a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e67d4780f8f7b2bd25b02791bc6a9ca9ed986500d4042abf60b138213be867a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e67d4780f8f7b2bd25b02791bc6a9ca9ed986500d4042abf60b138213be867a", kill_on_drop: false }` [INFO] [stdout] 8e67d4780f8f7b2bd25b02791bc6a9ca9ed986500d4042abf60b138213be867a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7fae3adf368895dda77003e15df7e10f225a450d857e33291eca86f742bf564b [INFO] running `Command { std: "docker" "start" "-a" "7fae3adf368895dda77003e15df7e10f225a450d857e33291eca86f742bf564b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling cc v1.1.15 [INFO] [stderr] Compiling bitflags v2.6.0 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Compiling unicase v2.7.0 [INFO] [stderr] Compiling anstyle v1.0.8 [INFO] [stderr] Compiling nix v0.29.0 [INFO] [stderr] Compiling anstyle-parse v0.2.5 [INFO] [stderr] Compiling colorchoice v1.0.2 [INFO] [stderr] Compiling thiserror v1.0.63 [INFO] [stderr] Compiling anstyle-query v1.1.1 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Compiling camino v1.1.9 [INFO] [stderr] Compiling serde_json v1.0.127 [INFO] [stderr] Compiling linux-raw-sys v0.4.14 [INFO] [stderr] Compiling clap_lex v0.7.2 [INFO] [stderr] Compiling anstream v0.6.15 [INFO] [stderr] Compiling regex-syntax v0.8.4 [INFO] [stderr] Compiling anyhow v1.0.86 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling fastrand v2.1.1 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling minimal-lexical v0.2.1 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Compiling clap_builder v4.5.15 [INFO] [stderr] Compiling rustix v0.38.34 [INFO] [stderr] Compiling futures-sink v0.3.30 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling mime v0.3.17 [INFO] [stderr] Compiling typeid v1.0.2 [INFO] [stderr] Compiling nom v7.1.3 [INFO] [stderr] Compiling syn v2.0.76 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-core v0.3.30 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Compiling futures-channel v0.3.30 [INFO] [stderr] Compiling unicode-width v0.1.13 [INFO] [stderr] Compiling regex-automata v0.4.7 [INFO] [stderr] Compiling platforms v2.0.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling humansize v2.1.3 [INFO] [stderr] Compiling rlimit v0.10.1 [INFO] [stderr] Compiling askama_escape v0.10.3 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling csv-core v0.1.11 [INFO] [stderr] Compiling dyn-clone v1.0.17 [INFO] [stderr] Compiling iana-time-zone v0.1.60 [INFO] [stderr] Compiling bytes v1.7.1 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling vsprintf v2.0.0 [INFO] [stderr] Compiling unescape v0.1.0 [INFO] [stderr] Compiling chrono v0.4.38 [INFO] [stderr] Compiling plain v0.2.3 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling memmap2 v0.5.10 [INFO] [stderr] Compiling tempfile v3.12.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling nix v0.24.3 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling mio v1.0.2 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling askama_parser v0.2.1 [INFO] [stderr] Compiling regex v1.10.6 [INFO] [stderr] Compiling libbpf-sys v1.4.3+v1.4.5 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Compiling env_filter v0.1.2 [INFO] [stderr] Compiling env_logger v0.11.5 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Compiling thiserror-impl v1.0.63 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Compiling serde_repr v0.1.19 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling tokio v1.39.3 [INFO] [stderr] Compiling psutil v3.3.0 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Compiling serde_with_macros v3.9.0 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling plotly_derive v0.9.0 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling clap v4.5.16 [INFO] [stderr] Compiling structopt v0.3.26 [INFO] [stderr] Compiling libbpf-rs v0.23.3 [INFO] [stderr] Compiling futures-executor v0.3.30 [INFO] [stderr] Compiling futures v0.3.30 [INFO] [stderr] Compiling cargo-platform v0.1.8 [INFO] [stderr] Compiling basic-toml v0.1.9 [INFO] [stderr] Compiling erased-serde v0.4.5 [INFO] [stderr] Compiling serde_with v3.9.0 [INFO] [stderr] Compiling csv v1.3.0 [INFO] [stderr] Compiling askama_derive v0.12.5 [INFO] [stderr] Compiling cargo_metadata v0.15.4 [INFO] [stderr] Compiling askama v0.12.1 [INFO] [stderr] Compiling libbpf-cargo v0.23.3 [INFO] [stderr] Compiling plotly v0.9.0 [INFO] [stderr] Compiling build-bpf v0.2.0 [INFO] [stderr] Compiling flaregun v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `flaregun 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/flaregun-1240774256b6856f/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rerun-if-changed=/opt/rustwide/workdir/src/bpf/rq_lat.bpf.c [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] [INFO] [stderr] thread 'main' (2590) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/build-bpf-0.2.0/src/lib.rs:259:26: [INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x62775da2c9f2 - 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: 0x62775da2c9f2 - 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: 0x62775da2c9f2 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9 [INFO] [stderr] 3: 0x62775da2c9f2 - ::fmt::h67edf0e4d33c343c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26 [INFO] [stderr] 4: 0x62775da3c7af - core::fmt::rt::Argument::fmt::hef94184842aeafdd [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76 [INFO] [stderr] 5: 0x62775da3c7af - core::fmt::write::hcf0c66b48a8fa606 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25 [INFO] [stderr] 6: 0x62775d9fe921 - std::io::default_write_fmt::h1ecb8c7cfa7da481 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11 [INFO] [stderr] 7: 0x62775d9fe921 - std::io::Write::write_fmt::h051fe4a9e4fdbf48 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13 [INFO] [stderr] 8: 0x62775da09872 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9 [INFO] [stderr] 9: 0x62775da0c87c - std::panicking::default_hook::{{closure}}::h91001850288db5f7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27 [INFO] [stderr] 10: 0x62775da0c6d6 - std::panicking::default_hook::h2346dbb704ef5512 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9 [INFO] [stderr] 11: 0x62775da0cf05 - std::panicking::panic_with_hook::hd2b063a6090d23a4 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13 [INFO] [stderr] 12: 0x62775da0cd9a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13 [INFO] [stderr] 13: 0x62775da099a9 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18 [INFO] [stderr] 14: 0x62775d9f285d - __rustc[1d67440d6e82e4f]::rust_begin_unwind [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5 [INFO] [stderr] 15: 0x62775da41050 - core::panicking::panic_fmt::h420ddb7fd73daf53 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14 [INFO] [stderr] 16: 0x62775da40316 - core::result::unwrap_failed::hdde076be853d034f [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5 [INFO] [stderr] 17: 0x62775d87eb5f - build_bpf::BuildBpf::must_build::h3355730e1ec0eb6f [INFO] [stderr] 18: 0x62775d87a6cf - build_script_build::main::{{closure}}::h6665b2abaf5cb7a4 [INFO] [stderr] 19: 0x62775d87aa37 - core::iter::traits::iterator::Iterator::for_each::call::{{closure}}::hbd5c6bbe6d9ad0ca [INFO] [stderr] 20: 0x62775d87aaf6 - core::iter::adapters::map::map_fold::{{closure}}::h064cc06fb74fe6fd [INFO] [stderr] 21: 0x62775d87ac27 - core::iter::adapters::map::map_fold::{{closure}}::h98cbf35bd9904596 [INFO] [stderr] 22: 0x62775d87ace2 - core::iter::adapters::filter::filter_fold::{{closure}}::h6598916a679a76a7 [INFO] [stderr] 23: 0x62775d87ab96 - core::iter::adapters::map::map_fold::{{closure}}::h2394d9a894636d5b [INFO] [stderr] 24: 0x62775d87a9a5 - core::iter::traits::iterator::Iterator::fold::hd562f9f41686c55b [INFO] [stderr] 25: 0x62775d87a5ef - as core::iter::traits::iterator::Iterator>::fold::hb6f1983d6882ecbb [INFO] [stderr] 26: 0x62775d87a67f - as core::iter::traits::iterator::Iterator>::fold::h796dba2c9adb75bf [INFO] [stderr] 27: 0x62775d87a60f - as core::iter::traits::iterator::Iterator>::fold::hcd3dc9122004b1bd [INFO] [stderr] 28: 0x62775d87a5cf - as core::iter::traits::iterator::Iterator>::fold::h63efd5575e82e28b [INFO] [stderr] 29: 0x62775d87a9ff - core::iter::traits::iterator::Iterator::for_each::h8c1032caa8bde35a [INFO] [stderr] 30: 0x62775d87a6a5 - build_script_build::main::h1447ef934e2de478 [INFO] [stderr] 31: 0x62775d87a7e3 - core::ops::function::FnOnce::call_once::h301e28ba7019305e [INFO] [stderr] 32: 0x62775d87a7c6 - std::sys::backtrace::__rust_begin_short_backtrace::h0c5c18ab19a47a53 [INFO] [stderr] 33: 0x62775d87a749 - std::rt::lang_start::{{closure}}::h9f081f7f81b365de [INFO] [stderr] 34: 0x62775da003b0 - core::ops::function::impls:: for &F>::call_once::h4967fb77e0dfb65c [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21 [INFO] [stderr] 35: 0x62775da003b0 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 36: 0x62775da003b0 - std::panicking::catch_unwind::h26f0e342004b5114 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 37: 0x62775da003b0 - std::panic::catch_unwind::h9ee33ca17775d897 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 38: 0x62775da003b0 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24 [INFO] [stderr] 39: 0x62775da003b0 - std::panicking::catch_unwind::do_call::h819db0a7788e7259 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40 [INFO] [stderr] 40: 0x62775da003b0 - std::panicking::catch_unwind::h23e08fb4a7b9f405 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19 [INFO] [stderr] 41: 0x62775da003b0 - std::panic::catch_unwind::h7ca3d9eabb6135ff [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14 [INFO] [stderr] 42: 0x62775da003b0 - std::rt::lang_start_internal::h06ad7395f4fda8d7 [INFO] [stderr] at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5 [INFO] [stderr] 43: 0x62775d87a731 - std::rt::lang_start::h06e7c93c6c9bae33 [INFO] [stderr] 44: 0x62775d87b815 - main [INFO] [stderr] 45: 0x7633e3f101ca - [INFO] [stderr] 46: 0x7633e3f1028b - __libc_start_main [INFO] [stderr] 47: 0x62775d87a4f5 - _start [INFO] [stderr] 48: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "7fae3adf368895dda77003e15df7e10f225a450d857e33291eca86f742bf564b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fae3adf368895dda77003e15df7e10f225a450d857e33291eca86f742bf564b", kill_on_drop: false }` [INFO] [stdout] 7fae3adf368895dda77003e15df7e10f225a450d857e33291eca86f742bf564b