[INFO] updating cached repository https://github.com/a-hacker/PyRounders [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] 8779c352fd76607c500d7f3aab1c51ee9cb2875b [INFO] testing a-hacker/PyRounders against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-hacker%2FPyRounders" "/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/a-hacker/PyRounders on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/a-hacker/PyRounders [INFO] finished tweaking git repo https://github.com/a-hacker/PyRounders [INFO] tweaked toml for git repo https://github.com/a-hacker/PyRounders written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/a-hacker/PyRounders already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+1.44.0" "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] 1dd76acc73435bfda89edc700962e38e895034e812b77983773b43d28ba43759 [INFO] running `"docker" "start" "-a" "1dd76acc73435bfda89edc700962e38e895034e812b77983773b43d28ba43759"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v0.15.42 [INFO] [stderr] Compiling proc-macro-hack-impl v0.4.2 [INFO] [stderr] Compiling spin v0.5.0 [INFO] [stderr] Compiling regex-syntax v0.6.10 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling proc-macro-hack v0.4.2 [INFO] [stderr] Compiling mashup-impl v0.1.9 [INFO] [stderr] Compiling mashup v0.1.9 [INFO] [stderr] Compiling regex v1.2.0 [INFO] [stderr] Compiling pyo3 v0.7.0 [INFO] [stderr] Compiling pyo3-derive-backend v0.7.0 [INFO] [stderr] error: failed to run custom build command for `pyo3 v0.7.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-72f4a65d84e163b0/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: pyo3 requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.44.0 (2020-06-01). Minimum required: 1.34.0-nightly (2019-02-06). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.7.0/build.rs:633:17 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55f02d2f7cc4 - backtrace::backtrace::libunwind::trace::hc1c4a1d8ad423b97 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x55f02d2f7cc4 - backtrace::backtrace::trace_unsynchronized::h82274781060cb056 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55f02d2f7cc4 - std::sys_common::backtrace::_print_fmt::h2a45d89b653a4da8 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x55f02d2f7cc4 - ::fmt::h41a0a93ab85e6aa1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x55f02d31b93c - core::fmt::write::hdaea18585065a96d [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x55f02d2f50c3 - std::io::Write::write_fmt::h0cea70c809005252 [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x55f02d2fa2e5 - std::sys_common::backtrace::_print::hd95f9978cc145ca4 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x55f02d2fa2e5 - std::sys_common::backtrace::print::hfb25ca2291be47d0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55f02d2fa2e5 - std::panicking::default_hook::{{closure}}::h44f76cee5dc8591c [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x55f02d2fa022 - std::panicking::default_hook::h198e1a712910f1e6 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x55f02d2fa942 - std::panicking::rust_panic_with_hook::hc0b4730bb8013f9d [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x55f02d2e1521 - std::panicking::begin_panic::h93d5221866846be6 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/panicking.rs:438 [INFO] [stderr] 12: 0x55f02d0e1e51 - build_script_build::check_rustc_version::h2ae1160d7bd7872a [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.7.0/build.rs:633 [INFO] [stderr] 13: 0x55f02d0e252f - build_script_build::main::he8c775cb32247fd6 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.7.0/build.rs:657 [INFO] [stderr] 14: 0x55f02d0ea91d - std::rt::lang_start::{{closure}}::h924d8af78d07c7ed [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67 [INFO] [stderr] 15: 0x55f02d2fad88 - std::rt::lang_start_internal::{{closure}}::h7a212202ff76034b [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 16: 0x55f02d2fad88 - std::panicking::try::do_call::h6d214a73427d759b [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 17: 0x55f02d2fad88 - std::panicking::try::hc078f0e11721d1cb [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 18: 0x55f02d2fad88 - std::panic::catch_unwind::hb31c05be30625612 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x55f02d2fad88 - std::rt::lang_start_internal::hcf7fb98a775d5af0 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 20: 0x55f02d0ea8e7 - std::rt::lang_start::h9de220c06328b016 [INFO] [stderr] at /rustc/49cae55760da0a43428eba73abcb659bb70cf2e4/src/libstd/rt.rs:67 [INFO] [stderr] 21: 0x55f02d0e418a - main [INFO] [stderr] 22: 0x7f020e3740b3 - __libc_start_main [INFO] [stderr] 23: 0x55f02d0da17e - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "1dd76acc73435bfda89edc700962e38e895034e812b77983773b43d28ba43759"` [INFO] running `"docker" "rm" "-f" "1dd76acc73435bfda89edc700962e38e895034e812b77983773b43d28ba43759"` [INFO] [stdout] 1dd76acc73435bfda89edc700962e38e895034e812b77983773b43d28ba43759