[INFO] fetching crate py-pkstl 0.1.0...
[INFO] testing py-pkstl-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate py-pkstl 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate py-pkstl 0.1.0
[INFO] finished tweaking crates.io crate py-pkstl 0.1.0
[INFO] tweaked toml for crates.io crate py-pkstl 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate py-pkstl 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 73 packages to latest compatible versions
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding pyo3 v0.8.5 (available: v0.28.3)
[INFO] [stderr]       Adding ring v0.16.20 (available: v0.17.14)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3cls v0.8.5
[INFO] [stderr]   Downloaded indoc-impl v0.3.6
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded inventory-impl v0.1.11
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.5
[INFO] [stderr]   Downloaded inventory v0.1.11
[INFO] [stderr]   Downloaded pkstl v0.1.0
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded ghost v0.1.20
[INFO] [stderr]   Downloaded chacha20-poly1305-aead v0.1.2
[INFO] [stderr]   Downloaded pyo3 v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7a79f7af71f388dfabba40363f92ed4b64744b3632a40f96a5d384977488c211
[INFO] running `Command { std: "docker" "start" "-a" "7a79f7af71f388dfabba40363f92ed4b64744b3632a40f96a5d384977488c211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a79f7af71f388dfabba40363f92ed4b64744b3632a40f96a5d384977488c211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a79f7af71f388dfabba40363f92ed4b64744b3632a40f96a5d384977488c211", kill_on_drop: false }`
[INFO] [stdout] 7a79f7af71f388dfabba40363f92ed4b64744b3632a40f96a5d384977488c211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 872f6601719a108794b23d43f281f21c6c8cf88ca583efbca4316e1b6c381115
[INFO] running `Command { std: "docker" "start" "-a" "872f6601719a108794b23d43f281f21c6c8cf88ca583efbca4316e1b6c381115", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.2.61
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling simd-adler32 v0.3.9
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ghost v0.1.20
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.8.5
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling pkstl v0.1.0
[INFO] [stderr]    Compiling pyo3 v0.8.5
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.5`
[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-d4ac6081646a6c48/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (915) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pyo3-0.8.5/build.rs:542:9:
[INFO] [stderr]   Error: pyo3 requires a nightly or dev version of Rust.
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x61f87c37b9fa - 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:     0x61f87c37b9fa - 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:     0x61f87c37b9fa - std[e28293b1aa0f68bd]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x61f87c37b9fa - <<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:     0x61f87c38fb6a - <core[c1f1a4ba060b9bfa]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x61f87c38fb6a - core[c1f1a4ba060b9bfa]::fmt::write
[INFO] [stderr]      6:     0x61f87c380072 - 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:     0x61f87c380072 - <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:     0x61f87c3607af - <std[e28293b1aa0f68bd]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x61f87c3607af - std[e28293b1aa0f68bd]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x61f87c376eb1 - std[e28293b1aa0f68bd]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x61f87c37706b - std[e28293b1aa0f68bd]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x61f87c35fdcc - std[e28293b1aa0f68bd]::panicking::begin_panic::<&str>::{closure#0}
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:762:9
[INFO] [stderr]     13:     0x61f87c358219 - 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:     0x61f87c355a80 - std[e28293b1aa0f68bd]::panicking::begin_panic::<&str>
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:761:5
[INFO] [stderr]     15:     0x61f87c0f5824 - build_script_build::check_rustc_version::hc93085ca30d74520
[INFO] [stderr]     16:     0x61f87c0f8254 - build_script_build::main::hd0c396971f196650
[INFO] [stderr]     17:     0x61f87c0e1d3e - core::ops::function::FnOnce::call_once::h62e7c0a0f062d733
[INFO] [stderr]     18:     0x61f87c0e17bd - std::sys::backtrace::__rust_begin_short_backtrace::ha5f29210a341bd1e
[INFO] [stderr]     19:     0x61f87c0ea8ff - std::rt::lang_start::{{closure}}::h5aa247822ac67865
[INFO] [stderr]     20:     0x61f87c375fa4 - <&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:     0x61f87c375fa4 - 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:     0x61f87c375fa4 - 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:     0x61f87c375fa4 - 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:     0x61f87c375fa4 - std[e28293b1aa0f68bd]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/rt.rs:175:24
[INFO] [stderr]     25:     0x61f87c375fa4 - 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:     0x61f87c375fa4 - 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:     0x61f87c375fa4 - 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:     0x61f87c375fa4 - std[e28293b1aa0f68bd]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/rt.rs:171:5
[INFO] [stderr]     29:     0x61f87c0ea8e1 - std::rt::lang_start::hc1e5d3d6d3fee095
[INFO] [stderr]     30:     0x61f87c0fa8f5 - main
[INFO] [stderr]     31:     0x7e05483ae1ca - <unknown>
[INFO] [stderr]     32:     0x7e05483ae28b - __libc_start_main
[INFO] [stderr]     33:     0x61f87c0dfa85 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "872f6601719a108794b23d43f281f21c6c8cf88ca583efbca4316e1b6c381115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872f6601719a108794b23d43f281f21c6c8cf88ca583efbca4316e1b6c381115", kill_on_drop: false }`
[INFO] [stdout] 872f6601719a108794b23d43f281f21c6c8cf88ca583efbca4316e1b6c381115
