[INFO] cloning repository https://github.com/programmerjake/pyo3_bigint_overflow [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/programmerjake/pyo3_bigint_overflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogrammerjake%2Fpyo3_bigint_overflow"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogrammerjake%2Fpyo3_bigint_overflow'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7e03b67ef43976e01950811039cc78e1490973ad [INFO] testing programmerjake/pyo3_bigint_overflow against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fprogrammerjake%2Fpyo3_bigint_overflow" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/programmerjake/pyo3_bigint_overflow on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/programmerjake/pyo3_bigint_overflow [INFO] finished tweaking git repo https://github.com/programmerjake/pyo3_bigint_overflow [INFO] tweaked toml for git repo https://github.com/programmerjake/pyo3_bigint_overflow written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/programmerjake/pyo3_bigint_overflow already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c102d9d1368a6110ad6c5e8906934b92b2e27c1d3e3ae62b3a64fc1438f3ab98 [INFO] running `"docker" "start" "-a" "c102d9d1368a6110ad6c5e8906934b92b2e27c1d3e3ae62b3a64fc1438f3ab98"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling unindent v0.1.5 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling pyo3-derive-backend v0.8.1 (https://github.com/PyO3/pyo3.git#c7f3cde9) [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling proc-macro-hack v0.5.10 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling pyo3cls v0.8.1 (https://github.com/PyO3/pyo3.git#c7f3cde9) [INFO] [stderr] Compiling inventory v0.1.4 [INFO] [stderr] Compiling indoc-impl v0.3.4 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Compiling indoc v0.3.4 [INFO] [stderr] Compiling paste v0.1.6 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling pyo3 v0.8.1 (https://github.com/PyO3/pyo3.git#c7f3cde9) [INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.1 (https://github.com/PyO3/pyo3.git#c7f3cde9)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-6099ca3cb32892cd/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'Error: pyo3 requires a nightly or dev version of Rust.', /opt/rustwide/cargo-home/git/checkouts/pyo3-a22e69bc62b9f0fd/c7f3cde/build.rs:542:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x5630b8cff2a5 - backtrace::backtrace::libunwind::trace::h07c956be65d9b461 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5630b8cff2a5 - backtrace::backtrace::trace_unsynchronized::h2fdb9e4177ad4d20 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5630b8cff2a5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5630b8cff2a5 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5630b8d262ec - core::fmt::write::h935cb0ed4078a853 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5630b8cfc873 - std::io::Write::write_fmt::hc912aacf8d691eb3 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x5630b8d01830 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5630b8d01830 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5630b8d01830 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5630b8d0157c - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5630b8d01e67 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x5630b8ce8cdb - std::panicking::begin_panic::hc89fab250fb76b8a [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:410 [INFO] [stderr] 12: 0x5630b8acea46 - build_script_build::check_rustc_version::h478f9d07a4382609 [INFO] [stderr] at /opt/rustwide/cargo-home/git/checkouts/pyo3-a22e69bc62b9f0fd/c7f3cde/build.rs:542 [INFO] [stderr] 13: 0x5630b8acedb7 - build_script_build::main::h2ade231a4ea1fce5 [INFO] [stderr] at /opt/rustwide/cargo-home/git/checkouts/pyo3-a22e69bc62b9f0fd/c7f3cde/build.rs:563 [INFO] [stderr] 14: 0x5630b8ae9c4d - std::rt::lang_start::{{closure}}::ha0eedf42d5544f7f [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x5630b8d02238 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x5630b8d02238 - std::panicking::try::do_call::h54d9370b0ac83700 [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 17: 0x5630b8d02238 - std::panicking::try::h85e1c41421d5b6f9 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 18: 0x5630b8d02238 - std::panic::catch_unwind::hfd957e6c9fdcf274 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x5630b8d02238 - std::rt::lang_start_internal::hed9744eef32ef5a1 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 20: 0x5630b8ae9c17 - std::rt::lang_start::hc25937610e12d925 [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67 [INFO] [stderr] 21: 0x5630b8ad3d0a - main [INFO] [stderr] 22: 0x7ff7429280b3 - __libc_start_main [INFO] [stderr] 23: 0x5630b8ac917e - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "c102d9d1368a6110ad6c5e8906934b92b2e27c1d3e3ae62b3a64fc1438f3ab98"` [INFO] running `"docker" "rm" "-f" "c102d9d1368a6110ad6c5e8906934b92b2e27c1d3e3ae62b3a64fc1438f3ab98"` [INFO] [stdout] c102d9d1368a6110ad6c5e8906934b92b2e27c1d3e3ae62b3a64fc1438f3ab98