[INFO] fetching crate pyrus-nn 0.2.1...
[INFO] testing pyrus-nn-0.2.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate pyrus-nn 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate pyrus-nn 0.2.1
[INFO] finished tweaking crates.io crate pyrus-nn 0.2.1
[INFO] tweaked toml for crates.io crate pyrus-nn 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyrus-nn 0.2.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to highest compatible versions
[INFO] [stderr]       Adding float-cmp v0.4.0 (available: v0.10.0)
[INFO] [stderr]       Adding ndarray v0.12.1 (available: v0.17.2)
[INFO] [stderr]       Adding ndarray-rand v0.9.0 (available: v0.16.0)
[INFO] [stderr]       Adding pretty_assertions v0.6.1 (available: v1.4.1)
[INFO] [stderr]       Adding pyo3 v0.5.4 (available: v0.30.1)
[INFO] [stderr]       Adding rand v0.6.5 (available: v0.10.3)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding typetag v0.1.8 (available: v0.2.23)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spin v0.4.10
[INFO] [stderr]   Downloaded inventory v0.2.3
[INFO] [stderr]   Downloaded typetag-impl v0.1.8
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.3
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded typetag v0.1.8
[INFO] [stderr]   Downloaded pyo3 v0.5.4
[INFO] [stderr]   Downloaded mashup-impl v0.1.14+deprecated
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.3
[INFO] [stderr]   Downloaded ndarray-rand v0.9.0
[INFO] [stderr]   Downloaded pyo3cls v0.5.4
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.5.4
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded ndarray-parallel v0.9.1
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded mashup v0.1.14+deprecated
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 255404d1e85c0909364367347b1a226d19fd91bfafec9d9a87c1fecc0e57ca30
[INFO] running `Command { std: "docker" "start" "255404d1e85c0909364367347b1a226d19fd91bfafec9d9a87c1fecc0e57ca30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255404d1e85c0909364367347b1a226d19fd91bfafec9d9a87c1fecc0e57ca30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "255404d1e85c0909364367347b1a226d19fd91bfafec9d9a87c1fecc0e57ca30" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "255404d1e85c0909364367347b1a226d19fd91bfafec9d9a87c1fecc0e57ca30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "255404d1e85c0909364367347b1a226d19fd91bfafec9d9a87c1fecc0e57ca30" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling either v1.19.0
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_core v0.3.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling pyo3 v0.5.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling mashup-impl v0.1.14+deprecated
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.5.4`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_RELEASE_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/release/build/pyo3-58f908daca22feed/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: pyo3 requires a nightly or dev version of Rust.
[INFO] [stderr]   Installed version is: 1.99.0-beta.8 (2026-09-26). Minimum required: 1.32.0-nightly (2018-11-02).
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (501) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.5.4/build.rs:446:17:
[INFO] [stderr]   Aborting compilation due to incompatible compiler.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x625a1ac407d1 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stderr]      1:     0x625a1ac53d9a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stderr]      2:     0x625a1ac44bfc - <std[70759c8f55707aa4]::sys::stdio::unix::Stderr as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stderr]      3:     0x625a1ac20906 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stderr]      4:     0x625a1ac39af1 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stderr]      5:     0x625a1ac39cab - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stderr]      6:     0x625a1ac1ff6c - std[70759c8f55707aa4]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]      7:     0x625a1ac19749 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]      8:     0x625a1ac16b9b - std[70759c8f55707aa4]::panicking::begin_panic::<&str>
[INFO] [stderr]      9:     0x625a1aa1e968 - build_script_build[77e9df02305e0589]::check_rustc_version
[INFO] [stderr]     10:     0x625a1aa213fc - build_script_build[77e9df02305e0589]::main
[INFO] [stderr]     11:     0x625a1aa24233 - <fn() as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     12:     0x625a1aa1b896 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     13:     0x625a1aa17459 - std[70759c8f55707aa4]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     14:     0x625a1ac38f29 - std[70759c8f55707aa4]::rt::lang_start_internal
[INFO] [stderr]     15:     0x625a1aa14fa1 - std[70759c8f55707aa4]::rt::lang_start::<()>
[INFO] [stderr]     16:     0x625a1aa24395 - main
[INFO] [stderr]     17:     0x7387960f3601 - <unknown>
[INFO] [stderr]     18:     0x7387960f3718 - __libc_start_main
[INFO] [stderr]     19:     0x625a1aa14a85 - _start
[INFO] [stderr]     20:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "255404d1e85c0909364367347b1a226d19fd91bfafec9d9a87c1fecc0e57ca30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "255404d1e85c0909364367347b1a226d19fd91bfafec9d9a87c1fecc0e57ca30", kill_on_drop: false }`
[INFO] [stdout] 255404d1e85c0909364367347b1a226d19fd91bfafec9d9a87c1fecc0e57ca30
