[INFO] fetching crate cordoba-py 0.3.1...
[INFO] checking cordoba-py-0.3.1 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate cordoba-py 0.3.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cordoba-py 0.3.1 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cordoba-py 0.3.1
[INFO] finished tweaking crates.io crate cordoba-py 0.3.1
[INFO] tweaked toml for crates.io crate cordoba-py 0.3.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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 mashup v0.1.14+deprecated
[INFO] [stderr]   Downloaded mashup-impl v0.1.14+deprecated
[INFO] [stderr]   Downloaded pyo3cls v0.11.1
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.3
[INFO] [stderr]   Downloaded pyo3cls v0.6.0-alpha.2
[INFO] [stderr]   Downloaded cordoba v0.3.4
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.3
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.6.0-alpha.2
[INFO] [stderr]   Downloaded pyo3-derive-backend v0.11.1
[INFO] [stderr]   Downloaded pyo3 v0.6.0-alpha.2
[INFO] [stderr]   Downloaded pyo3 v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf8e35ea73e098ad6c263e502b39152b8dfe731951cdc2ae9bebf01ba86627ea
[INFO] running `Command { std: "docker" "start" "-a" "bf8e35ea73e098ad6c263e502b39152b8dfe731951cdc2ae9bebf01ba86627ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf8e35ea73e098ad6c263e502b39152b8dfe731951cdc2ae9bebf01ba86627ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8e35ea73e098ad6c263e502b39152b8dfe731951cdc2ae9bebf01ba86627ea", kill_on_drop: false }`
[INFO] [stdout] bf8e35ea73e098ad6c263e502b39152b8dfe731951cdc2ae9bebf01ba86627ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc7f7ba1c73588507de1fb2de4c80e39a307a30d422722cc305deafde7fdaf97
[INFO] running `Command { std: "docker" "start" "-a" "bc7f7ba1c73588507de1fb2de4c80e39a307a30d422722cc305deafde7fdaf97", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling inventory v0.1.11
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling pyo3 v0.11.1
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling inventory-impl v0.1.11
[INFO] [stderr]    Compiling pyo3-derive-backend v0.11.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling proc-macro-hack v0.4.3
[INFO] [stderr]    Compiling mashup-impl v0.1.14+deprecated
[INFO] [stderr]     Checking mashup v0.1.14+deprecated
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.11.1
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling ghost v0.1.17
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling pyo3-derive-backend v0.6.0-alpha.2
[INFO] [stderr]     Checking cordoba v0.3.4
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling pyo3cls v0.6.0-alpha.2
[INFO] [stderr]    Compiling pyo3 v0.6.0-alpha.2
[INFO] [stderr] error: failed to run custom build command for `pyo3 v0.6.0-alpha.2`
[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/pyo3-38223c23198d46d8/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/pyo3-0.6.0-alpha.2/build.rs:571:6:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: "Failed to run the python interpreter at python: No such file or directory (os error 2)"
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562b651593b4 - std::backtrace_rs::backtrace::libunwind::trace::h3da9427eac6b2713
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x562b651593b4 - std::backtrace_rs::backtrace::trace_unsynchronized::h8b6ad79cb60b1f10
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562b651593b4 - std::sys_common::backtrace::_print_fmt::h0332dac066d13bb4
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x562b651593b4 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::ha53f24802e841e78
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x562b6517b61c - core::fmt::rt::Argument::fmt::hb7cd99f2796dbda9
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x562b6517b61c - core::fmt::write_internal::hd9480cc81e0db946
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/mod.rs:1143:17
[INFO] [stderr]      6:     0x562b65156ee7 - core::fmt::write::hc9b13aa14bb399e7
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/fmt/mod.rs:1125:67
[INFO] [stderr]      7:     0x562b65156ee7 - std::io::Write::write_fmt::h7f190ab8bb73d292
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      8:     0x562b65159164 - std::sys_common::backtrace::_print::h4dfa85ce29f289cd
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      9:     0x562b65159164 - std::sys_common::backtrace::print::h075bb0820ca1af60
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]     10:     0x562b6515a52b - std::panicking::default_hook::{{closure}}::h2868146f5a47a8b0
[INFO] [stderr]     11:     0x562b6515a287 - std::panicking::default_hook::h75759d10d3c62529
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:292:9
[INFO] [stderr]     12:     0x562b6515a9fd - std::panicking::rust_panic_with_hook::h96d9580203cd93f6
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:779:13
[INFO] [stderr]     13:     0x562b6515a8d2 - std::panicking::begin_panic_handler::{{closure}}::h99fe5817649d74e2
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:657:13
[INFO] [stderr]     14:     0x562b65159886 - std::sys_common::backtrace::__rust_end_short_backtrace::hec38ffed74bfdff4
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     15:     0x562b6515a5d4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:645:5
[INFO] [stderr]     16:     0x562b64ec35e5 - core::panicking::panic_fmt::hef2c7eb118bd8e9b
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/panicking.rs:72:14
[INFO] [stderr]     17:     0x562b64ec3b83 - core::result::unwrap_failed::h27810c9f2b89c2de
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/result.rs:1654:5
[INFO] [stderr]     18:     0x562b64eccf82 - build_script_build::main::hfbfe4fd7a2a52a80
[INFO] [stderr]     19:     0x562b64ed2c03 - core::ops::function::FnOnce::call_once::h39e37a537d5b4b8b
[INFO] [stderr]     20:     0x562b64edab36 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5859fdd2f0a40fbc
[INFO] [stderr]     21:     0x562b64ed20f9 - std::rt::lang_start::{{closure}}::h23921191435e5d3d
[INFO] [stderr]     22:     0x562b65153693 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd6488a2c974ca719
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x562b65153693 - std::panicking::try::do_call::hff3b4848e08a12d1
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:552:40
[INFO] [stderr]     24:     0x562b65153693 - std::panicking::try::h8353a4dfa2f5a00f
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:516:19
[INFO] [stderr]     25:     0x562b65153693 - std::panic::catch_unwind::h2e8a9f6c47367d26
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panic.rs:146:14
[INFO] [stderr]     26:     0x562b65153693 - std::rt::lang_start_internal::{{closure}}::ha0861aba81fd1864
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/rt.rs:148:48
[INFO] [stderr]     27:     0x562b65153693 - std::panicking::try::do_call::hbeaa0ec31679b9c5
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:552:40
[INFO] [stderr]     28:     0x562b65153693 - std::panicking::try::h72d757b913472f73
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panicking.rs:516:19
[INFO] [stderr]     29:     0x562b65153693 - std::panic::catch_unwind::h96f93e52837969a1
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/panic.rs:146:14
[INFO] [stderr]     30:     0x562b65153693 - std::rt::lang_start_internal::h217e3c78cd070052
[INFO] [stderr]                                  at /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/rt.rs:148:20
[INFO] [stderr]     31:     0x562b64ed20d7 - std::rt::lang_start::h04948e2177c569c1
[INFO] [stderr]     32:     0x562b64ece125 - main
[INFO] [stderr]     33:     0x7ff1302f5d90 - <unknown>
[INFO] [stderr]     34:     0x7ff1302f5e40 - __libc_start_main
[INFO] [stderr]     35:     0x562b64ec3d35 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "bc7f7ba1c73588507de1fb2de4c80e39a307a30d422722cc305deafde7fdaf97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7f7ba1c73588507de1fb2de4c80e39a307a30d422722cc305deafde7fdaf97", kill_on_drop: false }`
[INFO] [stdout] bc7f7ba1c73588507de1fb2de4c80e39a307a30d422722cc305deafde7fdaf97
