[INFO] fetching crate knitro_rs 0.2.1...
[INFO] testing knitro_rs-0.2.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate knitro_rs 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate knitro_rs 0.2.1
[INFO] finished tweaking crates.io crate knitro_rs 0.2.1
[INFO] tweaked toml for crates.io crate knitro_rs 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate knitro_rs 0.2.1 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] crate crates.io crate knitro_rs 0.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 81ebb7825d654fe1faf1f6a6c5e1045905fae4370996d7cd1b13129680d068a2
[INFO] running `Command { std: "docker" "start" "-a" "81ebb7825d654fe1faf1f6a6c5e1045905fae4370996d7cd1b13129680d068a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81ebb7825d654fe1faf1f6a6c5e1045905fae4370996d7cd1b13129680d068a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81ebb7825d654fe1faf1f6a6c5e1045905fae4370996d7cd1b13129680d068a2", kill_on_drop: false }`
[INFO] [stdout] 81ebb7825d654fe1faf1f6a6c5e1045905fae4370996d7cd1b13129680d068a2
[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] 76dc3978213b356dfc2bd93741da3eb08e605e61d8dcf652e50a6d017b5b2263
[INFO] running `Command { std: "docker" "start" "-a" "76dc3978213b356dfc2bd93741da3eb08e605e61d8dcf652e50a6d017b5b2263", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling prettyplease v0.2.29
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v2.8.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling libloading v0.7.3
[INFO] [stderr]    Compiling shlex v1.1.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling knitro_rs v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `bindings` in this scope
[INFO] [stdout]   --> build.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     bindings
[INFO] [stdout]    |     ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `knitro_rs` (build script) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "76dc3978213b356dfc2bd93741da3eb08e605e61d8dcf652e50a6d017b5b2263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76dc3978213b356dfc2bd93741da3eb08e605e61d8dcf652e50a6d017b5b2263", kill_on_drop: false }`
[INFO] [stdout] 76dc3978213b356dfc2bd93741da3eb08e605e61d8dcf652e50a6d017b5b2263