[INFO] updating cached repository https://github.com/shadowkun/pyolearn [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ac835607906fa7b95d0bfeff1d1e8d152622eeb6 [INFO] testing shadowkun/pyolearn against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshadowkun%2Fpyolearn" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shadowkun/pyolearn 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/shadowkun/pyolearn [INFO] finished tweaking git repo https://github.com/shadowkun/pyolearn [INFO] tweaked toml for git repo https://github.com/shadowkun/pyolearn written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/shadowkun/pyolearn 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 40c0e016aa36ec45cf9d9405dd76be6ad08e8196b658827423b8005c7cc6c39f [INFO] running `"docker" "start" "-a" "40c0e016aa36ec45cf9d9405dd76be6ad08e8196b658827423b8005c7cc6c39f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.7 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling pyo3-derive-backend v0.8.2 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling pyo3cls v0.8.2 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Compiling indoc-impl v0.3.4 [INFO] [stderr] Compiling inventory v0.1.4 [INFO] [stderr] Compiling paste v0.1.6 [INFO] [stderr] Compiling indoc v0.3.4 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling serde_json v1.0.41 [INFO] [stderr] Compiling pyo3 v0.8.2 [INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-cd1deefecd52c583/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/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.2/build.rs:542:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55747dd23cf5 - 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: 0x55747dd23cf5 - 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: 0x55747dd23cf5 - std::sys_common::backtrace::_print_fmt::ha62d8426311107ac [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55747dd23cf5 - ::fmt::h3ec6bdab62f1e8d9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55747dd4ad3c - core::fmt::write::h935cb0ed4078a853 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x55747dd212c3 - std::io::Write::write_fmt::hc912aacf8d691eb3 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x55747dd26280 - std::sys_common::backtrace::_print::h460db802d801ccf8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55747dd26280 - std::sys_common::backtrace::print::h399d664f56640530 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55747dd26280 - std::panicking::default_hook::{{closure}}::hc6dfd87957c765b8 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55747dd25fcc - std::panicking::default_hook::hfdceba6d6d1a18ae [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55747dd268b7 - std::panicking::rust_panic_with_hook::hd01e282bff1b1e63 [INFO] [stderr] at src/libstd/panicking.rs:486 [INFO] [stderr] 11: 0x55747db400db - std::panicking::begin_panic::h9fb319576e4fffe5 [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/panicking.rs:410 [INFO] [stderr] 12: 0x55747daf3a46 - build_script_build::check_rustc_version::hd4b68a0f55d4a91f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.2/build.rs:542 [INFO] [stderr] 13: 0x55747daf3db7 - build_script_build::main::h637d04585f7126ec [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.2/build.rs:563 [INFO] [stderr] 14: 0x55747db0ec5d - std::rt::lang_start::{{closure}}::h1b567178274842fd [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x55747dd26c88 - std::rt::lang_start_internal::{{closure}}::haabc9d435e1b0c2f [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x55747dd26c88 - std::panicking::try::do_call::h54d9370b0ac83700 [INFO] [stderr] at src/libstd/panicking.rs:297 [INFO] [stderr] 17: 0x55747dd26c88 - std::panicking::try::h85e1c41421d5b6f9 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 18: 0x55747dd26c88 - std::panic::catch_unwind::hfd957e6c9fdcf274 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55747dd26c88 - std::rt::lang_start_internal::hed9744eef32ef5a1 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 20: 0x55747db0ec27 - std::rt::lang_start::h53b431b8d6ad4ff4 [INFO] [stderr] at /rustc/b7dc83a3f6ca9746fb3d121761c3605477b77d90/src/libstd/rt.rs:67 [INFO] [stderr] 21: 0x55747daf8d0a - main [INFO] [stderr] 22: 0x7f5b070d40b3 - __libc_start_main [INFO] [stderr] 23: 0x55747daee17e - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "40c0e016aa36ec45cf9d9405dd76be6ad08e8196b658827423b8005c7cc6c39f"` [INFO] running `"docker" "rm" "-f" "40c0e016aa36ec45cf9d9405dd76be6ad08e8196b658827423b8005c7cc6c39f"` [INFO] [stdout] 40c0e016aa36ec45cf9d9405dd76be6ad08e8196b658827423b8005c7cc6c39f