[INFO] cloning repository https://github.com/petervaro/rusty-python-fibonacci
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/petervaro/rusty-python-fibonacci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetervaro%2Frusty-python-fibonacci", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetervaro%2Frusty-python-fibonacci'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6755be27a592291374702268db5223f470c1818
[INFO] testing petervaro/rusty-python-fibonacci against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpetervaro%2Frusty-python-fibonacci" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/petervaro/rusty-python-fibonacci
[INFO] finished tweaking git repo https://github.com/petervaro/rusty-python-fibonacci
[INFO] tweaked toml for git repo https://github.com/petervaro/rusty-python-fibonacci written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/petervaro/rusty-python-fibonacci on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/petervaro/rusty-python-fibonacci 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded spin v0.5.1
[INFO] [stderr]   Downloaded pyo3cls v0.7.0
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.7.0
[INFO] [stderr]   Downloaded mashup v0.1.9
[INFO] [stderr]   Downloaded ghost v0.1.0
[INFO] [stderr]   Downloaded ctor v0.1.9
[INFO] [stderr]   Downloaded inventory v0.1.3
[INFO] [stderr]   Downloaded inventory-impl v0.1.3
[INFO] [stderr]   Downloaded mashup-impl v0.1.9
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.2
[INFO] [stderr]   Downloaded pyo3 v0.7.0
[INFO] [stderr]   Downloaded syn v0.15.43
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded libc v0.2.60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 113e41aa0cfd7a32cf814fd1c7c67c0e5c5e2e55d01d2b6b05920368852884b9
[INFO] running `Command { std: "docker" "start" "-a" "113e41aa0cfd7a32cf814fd1c7c67c0e5c5e2e55d01d2b6b05920368852884b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "113e41aa0cfd7a32cf814fd1c7c67c0e5c5e2e55d01d2b6b05920368852884b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113e41aa0cfd7a32cf814fd1c7c67c0e5c5e2e55d01d2b6b05920368852884b9", kill_on_drop: false }`
[INFO] [stdout] 113e41aa0cfd7a32cf814fd1c7c67c0e5c5e2e55d01d2b6b05920368852884b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e3d0f070c75b5930a4391513feaa0084ed934e8b1b78282de063bb962dafcbb
[INFO] running `Command { std: "docker" "start" "-a" "0e3d0f070c75b5930a4391513feaa0084ed934e8b1b78282de063bb962dafcbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.43
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling spin v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling mashup-impl v0.1.9
[INFO] [stderr]    Compiling mashup v0.1.9
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]    Compiling pyo3-derive-backend v0.7.0
[INFO] [stderr]    Compiling pyo3 v0.7.0
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]    Compiling ctor v0.1.9
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling inventory v0.1.3
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.7.0`
[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/pyo3-14a3e8f599bfbf50/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: 1.95.0 (2026-04-14). Minimum required: 1.34.0-nightly (2019-02-06).
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (511) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.7.0/build.rs:633:17:
[INFO] [stderr]   Aborting compilation due to incompatible compiler.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x64dc2e87308a - std[e28293b1aa0f68bd]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x64dc2e87308a - std[e28293b1aa0f68bd]::backtrace_rs::backtrace::trace_unsynchronized::<std[e28293b1aa0f68bd]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x64dc2e87308a - std[e28293b1aa0f68bd]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x64dc2e87308a - <<std[e28293b1aa0f68bd]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c1f1a4ba060b9bfa]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x64dc2e885baa - <core[c1f1a4ba060b9bfa]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x64dc2e885baa - core[c1f1a4ba060b9bfa]::fmt::write
[INFO] [stderr]      6:     0x64dc2e877702 - std[e28293b1aa0f68bd]::io::default_write_fmt::<std[e28293b1aa0f68bd]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x64dc2e877702 - <std[e28293b1aa0f68bd]::sys::stdio::unix::Stderr as std[e28293b1aa0f68bd]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x64dc2e857c1f - <std[e28293b1aa0f68bd]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x64dc2e857c1f - std[e28293b1aa0f68bd]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x64dc2e86e331 - std[e28293b1aa0f68bd]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x64dc2e86e4eb - std[e28293b1aa0f68bd]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x64dc2e85723c - std[e28293b1aa0f68bd]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:762:9
[INFO] [stderr]     13:     0x64dc2e84f689 - std[e28293b1aa0f68bd]::sys::backtrace::__rust_end_short_backtrace::<std[e28293b1aa0f68bd]::panicking::begin_panic<&str>::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x64dc2e84cef0 - std[e28293b1aa0f68bd]::panicking::begin_panic::<&str>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:761:5
[INFO] [stderr]     15:     0x64dc2e70bada - build_script_build::check_rustc_version::he5a490bf55c07393
[INFO] [stderr]     16:     0x64dc2e70fa6c - build_script_build::main::h0ab2d0b3ef37803a
[INFO] [stderr]     17:     0x64dc2e71ab7e - core::ops::function::FnOnce::call_once::h05cff2448a7143aa
[INFO] [stderr]     18:     0x64dc2e716f3d - std::sys::backtrace::__rust_begin_short_backtrace::hf56dd65e526adf18
[INFO] [stderr]     19:     0x64dc2e713bef - std::rt::lang_start::{{closure}}::hc087e71d735de0a0
[INFO] [stderr]     20:     0x64dc2e86d414 - <&dyn core[c1f1a4ba060b9bfa]::ops::function::Fn<(), Output = i32> + core[c1f1a4ba060b9bfa]::marker::Sync + core[c1f1a4ba060b9bfa]::panic::unwind_safe::RefUnwindSafe as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     21:     0x64dc2e86d414 - std[e28293b1aa0f68bd]::panicking::catch_unwind::do_call::<&dyn core[c1f1a4ba060b9bfa]::ops::function::Fn<(), Output = i32> + core[c1f1a4ba060b9bfa]::marker::Sync + core[c1f1a4ba060b9bfa]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:581:40
[INFO] [stderr]     22:     0x64dc2e86d414 - std[e28293b1aa0f68bd]::panicking::catch_unwind::<i32, &dyn core[c1f1a4ba060b9bfa]::ops::function::Fn<(), Output = i32> + core[c1f1a4ba060b9bfa]::marker::Sync + core[c1f1a4ba060b9bfa]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:544:19
[INFO] [stderr]     23:     0x64dc2e86d414 - std[e28293b1aa0f68bd]::panic::catch_unwind::<&dyn core[c1f1a4ba060b9bfa]::ops::function::Fn<(), Output = i32> + core[c1f1a4ba060b9bfa]::marker::Sync + core[c1f1a4ba060b9bfa]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panic.rs:359:14
[INFO] [stderr]     24:     0x64dc2e86d414 - std[e28293b1aa0f68bd]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x64dc2e86d414 - std[e28293b1aa0f68bd]::panicking::catch_unwind::do_call::<std[e28293b1aa0f68bd]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:581:40
[INFO] [stderr]     26:     0x64dc2e86d414 - std[e28293b1aa0f68bd]::panicking::catch_unwind::<isize, std[e28293b1aa0f68bd]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:544:19
[INFO] [stderr]     27:     0x64dc2e86d414 - std[e28293b1aa0f68bd]::panic::catch_unwind::<std[e28293b1aa0f68bd]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x64dc2e86d414 - std[e28293b1aa0f68bd]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x64dc2e713bd1 - std::rt::lang_start::hde49a7b86cb4ecf8
[INFO] [stderr]     30:     0x64dc2e7134c5 - main
[INFO] [stderr]     31:     0x7c397e2621ca - <unknown>
[INFO] [stderr]     32:     0x7c397e26228b - __libc_start_main
[INFO] [stderr]     33:     0x64dc2e708b15 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0e3d0f070c75b5930a4391513feaa0084ed934e8b1b78282de063bb962dafcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3d0f070c75b5930a4391513feaa0084ed934e8b1b78282de063bb962dafcbb", kill_on_drop: false }`
[INFO] [stdout] 0e3d0f070c75b5930a4391513feaa0084ed934e8b1b78282de063bb962dafcbb
