[INFO] fetching crate demikernel-xdp-bindings 1.0.1...
[INFO] testing demikernel-xdp-bindings-1.0.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate demikernel-xdp-bindings 1.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate demikernel-xdp-bindings 1.0.1
[INFO] finished tweaking crates.io crate demikernel-xdp-bindings 1.0.1
[INFO] tweaked toml for crates.io crate demikernel-xdp-bindings 1.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate demikernel-xdp-bindings 1.0.1 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 43 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.70.1 (available: v0.72.1)
[INFO] [stderr]       Adding windows v0.57.0 (available: v0.62.1)
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 656c304c5eea736bfee4e4dc19542fa2a7a124f07fd5d53fc76cce378bf0a354
[INFO] running `Command { std: "docker" "start" "-a" "656c304c5eea736bfee4e4dc19542fa2a7a124f07fd5d53fc76cce378bf0a354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "656c304c5eea736bfee4e4dc19542fa2a7a124f07fd5d53fc76cce378bf0a354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656c304c5eea736bfee4e4dc19542fa2a7a124f07fd5d53fc76cce378bf0a354", kill_on_drop: false }`
[INFO] [stdout] 656c304c5eea736bfee4e4dc19542fa2a7a124f07fd5d53fc76cce378bf0a354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7828dbbe4269a909be71e558b5f51a6806e749ffa0e0a6043ffac329af0610ca
[INFO] running `Command { std: "docker" "start" "-a" "7828dbbe4269a909be71e558b5f51a6806e749ffa0e0a6043ffac329af0610ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling windows_x86_64_gnu v0.52.6
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling bindgen v0.70.1
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.2
[INFO] [stderr]    Compiling windows-targets v0.52.6
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling windows-result v0.1.2
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling windows-implement v0.57.0
[INFO] [stderr]    Compiling windows-interface v0.57.0
[INFO] [stderr]    Compiling windows-core v0.57.0
[INFO] [stderr]    Compiling windows v0.57.0
[INFO] [stderr]    Compiling demikernel-xdp-bindings v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `demikernel-xdp-bindings v1.0.1 (/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/demikernel-xdp-bindings-7aee3b08e86b80c4/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: environment variable not found
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stderr]      1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stderr]      2: build_script_build::main
[INFO] [stderr]      3: core::ops::function::FnOnce::call_once
[INFO] [stderr]      4: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stderr]      5: std::rt::lang_start::{{closure}}
[INFO] [stderr]      6: core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once
[INFO] [stderr]                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stderr]      7: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]      8: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]      9: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     10: std::rt::lang_start_internal::{{closure}}
[INFO] [stderr]                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stderr]     11: std::panicking::catch_unwind::do_call
[INFO] [stderr]                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]     12: std::panicking::catch_unwind
[INFO] [stderr]                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]     13: std::panic::catch_unwind
[INFO] [stderr]                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]     14: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stderr]     15: std::rt::lang_start
[INFO] [stderr]     16: main
[INFO] [stderr]     17: <unknown>
[INFO] [stderr]     18: __libc_start_main
[INFO] [stderr]     19: _start
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7828dbbe4269a909be71e558b5f51a6806e749ffa0e0a6043ffac329af0610ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7828dbbe4269a909be71e558b5f51a6806e749ffa0e0a6043ffac329af0610ca", kill_on_drop: false }`
[INFO] [stdout] 7828dbbe4269a909be71e558b5f51a6806e749ffa0e0a6043ffac329af0610ca
