[INFO] fetching crate py-pkstl 0.1.0...
[INFO] testing py-pkstl-0.1.0 against 1.76.0 for beta-1.77-1
[INFO] extracting crate py-pkstl 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate py-pkstl 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.8.5
[INFO] [stderr]   Downloaded pyo3cls v0.8.5
[INFO] [stderr]   Downloaded chacha20-poly1305-aead v0.1.2
[INFO] [stderr]   Downloaded pkstl v0.1.0
[INFO] [stderr]   Downloaded pyo3 v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e72d25509ed577f62140f6c696a362438cc63ffd60593947e799e8212bf04f49
[INFO] running `Command { std: "docker" "start" "-a" "e72d25509ed577f62140f6c696a362438cc63ffd60593947e799e8212bf04f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e72d25509ed577f62140f6c696a362438cc63ffd60593947e799e8212bf04f49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e72d25509ed577f62140f6c696a362438cc63ffd60593947e799e8212bf04f49", kill_on_drop: false }`
[INFO] [stdout] e72d25509ed577f62140f6c696a362438cc63ffd60593947e799e8212bf04f49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc4c1135807fc391d8db3e8b9574dd462e6f57727b931fac32e1954c806ae07f
[INFO] running `Command { std: "docker" "start" "-a" "cc4c1135807fc391d8db3e8b9574dd462e6f57727b931fac32e1954c806ae07f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling pyo3-derive-backend v0.8.5
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling pyo3cls v0.8.5
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling ghost v0.1.17
[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/pyo3-7f3d9e3ae1d636da/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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:     0x55a97a68fdd6 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55a97a68fdd6 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a97a68fdd6 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55a97a68fdd6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55a97a6b6be0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55a97a6b6be0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55a97a68dc2f - std::io::Write::write_fmt::h78b18af5775fedb5
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stderr]      7:     0x55a97a68fbb4 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55a97a68fbb4 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55a97a691117 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stderr]     10:     0x55a97a690e79 - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55a97a6915a8 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:779:13
[INFO] [stderr]     12:     0x55a97a41932e - std::panicking::begin_panic::{{closure}}::h921d198681b3ab33
[INFO] [stderr]     13:     0x55a97a41927a - std::sys_common::backtrace::__rust_end_short_backtrace::hf78f3579295cce4a
[INFO] [stderr]     14:     0x55a97a4192ab - std::panicking::begin_panic::h35ca9757d7bda680
[INFO] [stderr]     15:     0x55a97a3f8197 - build_script_build::check_rustc_version::h0d8bbdd078476338
[INFO] [stderr]     16:     0x55a97a3f83e4 - build_script_build::main::h4633bc34e3b5ef57
[INFO] [stderr]     17:     0x55a97a3e6bfe - core::ops::function::FnOnce::call_once::h801b51e5c44a9121
[INFO] [stderr]     18:     0x55a97a3e239d - std::sys_common::backtrace::__rust_begin_short_backtrace::hb09f92ce6053690b
[INFO] [stderr]     19:     0x55a97a3e2851 - std::rt::lang_start::{{closure}}::hf76cf0700855e279
[INFO] [stderr]     20:     0x55a97a68a1d1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h37600b1e5eea4ecd
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x55a97a68a1d1 - std::panicking::try::do_call::hb4bda49fa13a0c2b
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]     22:     0x55a97a68a1d1 - std::panicking::try::h8bbf75149211aaaa
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]     23:     0x55a97a68a1d1 - std::panic::catch_unwind::h8c78ec68ebea34cb
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]     24:     0x55a97a68a1d1 - std::rt::lang_start_internal::{{closure}}::hffdf44a19fd9e220
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:48
[INFO] [stderr]     25:     0x55a97a68a1d1 - std::panicking::try::do_call::hcb3194972c74716d
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stderr]     26:     0x55a97a68a1d1 - std::panicking::try::hcdc6892c5f0dba4c
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stderr]     27:     0x55a97a68a1d1 - std::panic::catch_unwind::h4910beb4573f4776
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stderr]     28:     0x55a97a68a1d1 - std::rt::lang_start_internal::h6939038e2873596b
[INFO] [stderr]                                  at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/rt.rs:148:20
[INFO] [stderr]     29:     0x55a97a3e2827 - std::rt::lang_start::h984212638b5e6735
[INFO] [stderr]     30:     0x55a97a3fcff5 - main
[INFO] [stderr]     31:     0x7f358cac5d90 - <unknown>
[INFO] [stderr]     32:     0x7f358cac5e40 - __libc_start_main
[INFO] [stderr]     33:     0x55a97a3dc0f5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cc4c1135807fc391d8db3e8b9574dd462e6f57727b931fac32e1954c806ae07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4c1135807fc391d8db3e8b9574dd462e6f57727b931fac32e1954c806ae07f", kill_on_drop: false }`
[INFO] [stdout] cc4c1135807fc391d8db3e8b9574dd462e6f57727b931fac32e1954c806ae07f
