[INFO] fetching crate nlopt 0.8.1...
[INFO] testing nlopt-0.8.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate nlopt 0.8.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate nlopt 0.8.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate nlopt 0.8.1
[INFO] tweaked toml for crates.io crate nlopt 0.8.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nlopt 0.8.1 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 nlopt 0.8.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5e0d78adc79560142a5f133457f01b09dc7de33caa6fcaf4cf08dec66cd5ba4e
[INFO] running `Command { std: "docker" "start" "-a" "5e0d78adc79560142a5f133457f01b09dc7de33caa6fcaf4cf08dec66cd5ba4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e0d78adc79560142a5f133457f01b09dc7de33caa6fcaf4cf08dec66cd5ba4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0d78adc79560142a5f133457f01b09dc7de33caa6fcaf4cf08dec66cd5ba4e", kill_on_drop: false }`
[INFO] [stdout] 5e0d78adc79560142a5f133457f01b09dc7de33caa6fcaf4cf08dec66cd5ba4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a4bc44d25861f513de304c72783f806c94d64364559709f8091ab98e187a742c
[INFO] running `Command { std: "docker" "start" "-a" "a4bc44d25861f513de304c72783f806c94d64364559709f8091ab98e187a742c", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling cmake v0.1.48
[INFO] [stderr]    Compiling nlopt v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.16s
[INFO] running `Command { std: "docker" "inspect" "a4bc44d25861f513de304c72783f806c94d64364559709f8091ab98e187a742c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bc44d25861f513de304c72783f806c94d64364559709f8091ab98e187a742c", kill_on_drop: false }`
[INFO] [stdout] a4bc44d25861f513de304c72783f806c94d64364559709f8091ab98e187a742c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83c740e9b622ead2a1c291f147d44db611d9eb9db30de3b3ace64494316b677e
[INFO] running `Command { std: "docker" "start" "-a" "83c740e9b622ead2a1c291f147d44db611d9eb9db30de3b3ace64494316b677e", kill_on_drop: false }`
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling nlopt v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "83c740e9b622ead2a1c291f147d44db611d9eb9db30de3b3ace64494316b677e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c740e9b622ead2a1c291f147d44db611d9eb9db30de3b3ace64494316b677e", kill_on_drop: false }`
[INFO] [stdout] 83c740e9b622ead2a1c291f147d44db611d9eb9db30de3b3ace64494316b677e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f16107d81e7b96c16e0b275976541332813d7f6eb4d26bae8234a2e484aea51
[INFO] running `Command { std: "docker" "start" "-a" "4f16107d81e7b96c16e0b275976541332813d7f6eb4d26bae8234a2e484aea51", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nlopt-1d31c402bdf16721)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_approx_gradient ... ok
[INFO] [stdout] test tests::test_neldermead_recover_user_data ... ok
[INFO] [stdout] test tests::test_user_data ... ok
[INFO] [stdout] test tests::test_praxis_closure ... ok
[INFO] [stdout] test tests::test_auglag_mconstraint ... ok
[INFO] [stdout] test tests::test_auglag ... ok
[INFO] [stdout] test tests::test_cobyla_with_no_memory_leaks ... ok
[INFO] [stdout] test tests::test_lbfgs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nlopt
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f16107d81e7b96c16e0b275976541332813d7f6eb4d26bae8234a2e484aea51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f16107d81e7b96c16e0b275976541332813d7f6eb4d26bae8234a2e484aea51", kill_on_drop: false }`
[INFO] [stdout] 4f16107d81e7b96c16e0b275976541332813d7f6eb4d26bae8234a2e484aea51