[INFO] cloning repository https://github.com/althonos/nanoset.py [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/althonos/nanoset.py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthonos%2Fnanoset.py"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthonos%2Fnanoset.py'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8400df55f523ed9048ce862d3e19da1181b70716 [INFO] checking althonos/nanoset.py against beta-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falthonos%2Fnanoset.py" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/althonos/nanoset.py on toolchain beta-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/althonos/nanoset.py [INFO] finished tweaking git repo https://github.com/althonos/nanoset.py [INFO] tweaked toml for git repo https://github.com/althonos/nanoset.py written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/althonos/nanoset.py already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=allow" "-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-2019-10-27" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6f396af942574e2dce1fa3e049b9691aba74f77c7822efed7c04b5f0ffd9622d [INFO] running `"docker" "start" "-a" "6f396af942574e2dce1fa3e049b9691aba74f77c7822efed7c04b5f0ffd9622d"` [INFO] [stderr] Compiling unindent v0.1.4 [INFO] [stderr] Compiling jobserver v0.1.17 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling chrono v0.4.9 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling libgit2-sys v0.9.1 [INFO] [stderr] Compiling git2 v0.10.1 [INFO] [stderr] Compiling pyo3-derive-backend v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling proc-macro-hack v0.5.9 [INFO] [stderr] Compiling ctor v0.1.10 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling pyo3cls v0.8.0 [INFO] [stderr] Checking inventory v0.1.4 [INFO] [stderr] Compiling indoc-impl v0.3.4 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Checking indoc v0.3.4 [INFO] [stderr] Checking paste v0.1.6 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling toml v0.5.3 [INFO] [stderr] Compiling serde_json v1.0.40 [INFO] [stderr] Compiling built v0.3.2 [INFO] [stderr] Compiling pyo3 v0.8.0 [INFO] [stderr] Compiling nanoset-py v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-d1557b8d22f598ca/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/pyo3-0.8.0/build.rs:542:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55ef28d53b24 - backtrace::backtrace::libunwind::trace::h14dfaa7b4b7da907 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55ef28d53b24 - backtrace::backtrace::trace_unsynchronized::hdb0fcb36bd91e7b1 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55ef28d53b24 - std::sys_common::backtrace::_print_fmt::hcf7905a3a69ef6ef [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x55ef28d53b24 - ::fmt::h1d652799221364ff [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x55ef28d7691c - core::fmt::write::h123c1219d03dc2b2 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55ef28d51117 - std::io::Write::write_fmt::h1dd67bc0a861a8a1 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55ef28d55f35 - std::sys_common::backtrace::_print::h906393f990c77027 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x55ef28d55f35 - std::sys_common::backtrace::print::h5760dd4bb9d97089 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55ef28d55f35 - std::panicking::default_hook::{{closure}}::h9c8250816dd18f0a [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x55ef28d55c26 - std::panicking::default_hook::h3e97ab45acb236f1 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x55ef28d565d5 - std::panicking::rust_panic_with_hook::hfd8c6048abefa5d1 [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x55ef28d3bd43 - std::panicking::begin_panic::h1aeee6f35ea5e0d7 [INFO] [stderr] at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/panicking.rs:407 [INFO] [stderr] 12: 0x55ef28aab077 - build_script_build::check_rustc_version::hf2993ccc748175cb [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.0/build.rs:542 [INFO] [stderr] 13: 0x55ef28aab37f - build_script_build::main::h70f99432511ae7d5 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.0/build.rs:563 [INFO] [stderr] 14: 0x55ef28abdb45 - std::rt::lang_start::{{closure}}::hb533d4bac596bc3f [INFO] [stderr] at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64 [INFO] [stderr] 15: 0x55ef28d56003 - std::rt::lang_start_internal::{{closure}}::hafe4631cc0633d40 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 16: 0x55ef28d56003 - std::panicking::try::do_call::h717827b47231de13 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 17: 0x55ef28d5c8ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 18: 0x55ef28d56acd - std::panicking::try::h389045103d38e408 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 19: 0x55ef28d56acd - std::panic::catch_unwind::hcca2ee11418f038b [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 20: 0x55ef28d56acd - std::rt::lang_start_internal::hc0e13ab06870c4ba [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 21: 0x55ef28abdb19 - std::rt::lang_start::h41db0a248b46f73c [INFO] [stderr] at /rustc/23f8f652bcea053b70c0030008941f5f8476b5a0/src/libstd/rt.rs:64 [INFO] [stderr] 22: 0x55ef28ab100a - main [INFO] [stderr] 23: 0x7f5162c35b97 - __libc_start_main [INFO] [stderr] 24: 0x55ef28aa4efa - _start [INFO] [stderr] 25: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "6f396af942574e2dce1fa3e049b9691aba74f77c7822efed7c04b5f0ffd9622d"` [INFO] running `"docker" "rm" "-f" "6f396af942574e2dce1fa3e049b9691aba74f77c7822efed7c04b5f0ffd9622d"` [INFO] [stdout] 6f396af942574e2dce1fa3e049b9691aba74f77c7822efed7c04b5f0ffd9622d