[INFO] cloning repository https://github.com/yocurt/yogurt-py [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yocurt/yogurt-py" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyocurt%2Fyogurt-py", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyocurt%2Fyogurt-py'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 56ea43817bc7741d900e8e8f2f9fce64370a5c94 [INFO] documenting yocurt/yogurt-py against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyocurt%2Fyogurt-py" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yocurt/yogurt-py on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yocurt/yogurt-py [INFO] finished tweaking git repo https://github.com/yocurt/yogurt-py [INFO] tweaked toml for git repo https://github.com/yocurt/yogurt-py written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/yocurt/yogurt-py already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: unused manifest key: build-system [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pyo3-derive-backend v0.8.4 [INFO] [stderr] Downloaded pyo3cls v0.8.4 [INFO] [stderr] Downloaded pyo3 v0.8.4 [INFO] [stderr] Downloaded yogurt-yaml v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 09fb2fe90f1449ddd5401a97a7bfc1b956d596372283996b37130ff340e5f077 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "09fb2fe90f1449ddd5401a97a7bfc1b956d596372283996b37130ff340e5f077", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "09fb2fe90f1449ddd5401a97a7bfc1b956d596372283996b37130ff340e5f077", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "09fb2fe90f1449ddd5401a97a7bfc1b956d596372283996b37130ff340e5f077", kill_on_drop: false }` [INFO] [stdout] 09fb2fe90f1449ddd5401a97a7bfc1b956d596372283996b37130ff340e5f077 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f98d2111afd766cbd751fd6cc5a61fe3a9f298e89122626ef795c5f76b92c0a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8f98d2111afd766cbd751fd6cc5a61fe3a9f298e89122626ef795c5f76b92c0a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused manifest key: build-system [INFO] [stderr] warning: output filename collision. [INFO] [stderr] The bin target `yogurt-py` in package `yogurt-py v0.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `yogurt_py` in package `yogurt-py v0.1.0 (/opt/rustwide/workdir)`. [INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/yogurt_py/index.html [INFO] [stderr] The output filenames should be unique. [INFO] [stderr] This is a known bug where multiple crates with the same name use [INFO] [stderr] the same path; see . [INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at [INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you [INFO] [stderr] can provide. [INFO] [stderr] cargo 1.47.0-beta (51b66125b 2020-08-19) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu` [INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "yogurt-py", version: "0.1.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "yogurt-py", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] } [INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "yogurt-py", version: "0.1.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("yogurt_py", ["cdylib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] } [INFO] [stderr] Checking unindent v0.1.5 [INFO] [stderr] Checking yogurt-yaml v0.2.0 [INFO] [stderr] Compiling inventory-impl v0.1.4 [INFO] [stderr] Compiling ctor v0.1.12 [INFO] [stderr] Compiling pyo3-derive-backend v0.8.4 [INFO] [stderr] Compiling ghost v0.1.1 [INFO] [stderr] Compiling paste-impl v0.1.6 [INFO] [stderr] Compiling indoc-impl v0.3.4 [INFO] [stderr] Compiling serde_json v1.0.44 [INFO] [stderr] Checking paste v0.1.6 [INFO] [stderr] Checking indoc v0.3.4 [INFO] [stderr] Checking inventory v0.1.4 [INFO] [stderr] Compiling pyo3 v0.8.4 [INFO] [stderr] Compiling pyo3cls v0.8.4 [INFO] [stderr] error: failed to run custom build command for `pyo3 v0.8.4` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/pyo3-683d7bb629ba8c0a/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/pyo3-0.8.4/build.rs:542:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x561237202190 - std::backtrace_rs::backtrace::libunwind::trace::h9e3e6d9b3369e699 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x561237202190 - std::backtrace_rs::backtrace::trace_unsynchronized::he58aba3ac08ed12a [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x561237202190 - std::sys_common::backtrace::_print_fmt::hbbbd4c92d537cef4 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x561237202190 - ::fmt::h80c2ae080004cc83 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x56123722439c - core::fmt::write::h0c11e16fd03fe660 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x5612371ff6f7 - std::io::Write::write_fmt::h2e2072ff86131fcd [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/io/mod.rs:1514 [INFO] [stderr] 6: 0x5612372042e0 - std::sys_common::backtrace::_print::h165e6476adb4cb58 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x5612372042e0 - std::sys_common::backtrace::print::hbbfa32a92cd1fc34 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x5612372042e0 - std::panicking::default_hook::{{closure}}::h3a02067ca7f64068 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x56123720402c - std::panicking::default_hook::ha3137d6f4e961fe2 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x561237204943 - std::panicking::rust_panic_with_hook::he6505c3b9d82db8b [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x5612370143cc - std::panicking::begin_panic::{{closure}}::hffebaaab9e57fb21 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:498 [INFO] [stderr] 12: 0x5612370169e9 - std::sys_common::backtrace::__rust_end_short_backtrace::haf72ef7106e2610f [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x5612370142f7 - std::panicking::begin_panic::hea74228ceb7d1f5f [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:497 [INFO] [stderr] 14: 0x561236fc9a56 - build_script_build::check_rustc_version::hf92f85687b0cdd50 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.4/build.rs:542 [INFO] [stderr] 15: 0x561236fc9dc7 - build_script_build::main::h6cfefbff6b5b1c89 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pyo3-0.8.4/build.rs:563 [INFO] [stderr] 16: 0x561236fe8af2 - core::ops::function::FnOnce::call_once::h4f1edbcf58831f80 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:227 [INFO] [stderr] 17: 0x561236fe793a - std::sys_common::backtrace::__rust_begin_short_backtrace::h97eda11d741d7b9f [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 18: 0x561236fe3ff6 - std::rt::lang_start::{{closure}}::h7d3f92cea1f85b3d [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:66 [INFO] [stderr] 19: 0x561237204d41 - core::ops::function::impls:: for &F>::call_once::hdabbbe0d2c6ccde8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/core/src/ops/function.rs:259 [INFO] [stderr] 20: 0x561237204d41 - std::panicking::try::do_call::h0c8c1cd19bf9d385 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:373 [INFO] [stderr] 21: 0x561237204d41 - std::panicking::try::h357e78da017bc4a8 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panicking.rs:337 [INFO] [stderr] 22: 0x561237204d41 - std::panic::catch_unwind::h72f31b36adf61841 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/panic.rs:379 [INFO] [stderr] 23: 0x561237204d41 - std::rt::lang_start_internal::h634502e153211333 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:51 [INFO] [stderr] 24: 0x561236fe3fc7 - std::rt::lang_start::h518997dd6595e2d1 [INFO] [stderr] at /rustc/84b047bf64dfcfa12867781e9c23dfa4f2e6082c/library/std/src/rt.rs:65 [INFO] [stderr] 25: 0x561236fced8a - main [INFO] [stderr] 26: 0x7fe361b570b3 - __libc_start_main [INFO] [stderr] 27: 0x561236fc40ae - _start [INFO] [stderr] 28: 0x0 - [INFO] running `Command { std: "docker" "inspect" "8f98d2111afd766cbd751fd6cc5a61fe3a9f298e89122626ef795c5f76b92c0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f98d2111afd766cbd751fd6cc5a61fe3a9f298e89122626ef795c5f76b92c0a", kill_on_drop: false }` [INFO] [stdout] 8f98d2111afd766cbd751fd6cc5a61fe3a9f298e89122626ef795c5f76b92c0a