[INFO] crate taikai 0.1.0 is already in cache [INFO] checking taikai-0.1.0 against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] extracting crate taikai 0.1.0 into work/builds/worker-3/source [INFO] validating manifest of crates.io crate taikai 0.1.0 on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate taikai 0.1.0 [INFO] finished tweaking crates.io crate taikai 0.1.0 [INFO] tweaked toml for crates.io crate taikai 0.1.0 written to work/builds/worker-3/source/Cargo.toml [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4d1dafb946b25ee53cb7ef53323937fe4979993f1811fc01c818de4b4354ce71 [INFO] running `"docker" "start" "-a" "4d1dafb946b25ee53cb7ef53323937fe4979993f1811fc01c818de4b4354ce71"` [INFO] [stderr] Compiling linked-hash-map v0.5.2 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Checking syn v0.15.44 [INFO] [stderr] Compiling yaml-rust v0.4.3 [INFO] [stderr] Compiling serde_yaml v0.8.9 [INFO] [stderr] Compiling taikai v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/type_spec.rs:134:36 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_path` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/attribute.rs:212:43 [INFO] [stderr] | [INFO] [stderr] 212 | let read_scalar = if let Some(ref e) = self.enum_ { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/type_spec.rs:134:36 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_path` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/attribute.rs:212:43 [INFO] [stderr] | [INFO] [stderr] 212 | let read_scalar = if let Some(ref e) = self.enum_ { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/type_spec.rs:134:32 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/type_spec.rs:134:36 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_path` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/attribute.rs:212:43 [INFO] [stderr] | [INFO] [stderr] 212 | let read_scalar = if let Some(ref e) = self.enum_ { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/type_spec.rs:134:32 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/type_spec.rs:134:32 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn resolve_enum(&self, mut path: Vec<&str>) -> Enum { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(bind_by_move_pattern_guards)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(bind_by_move_pattern_guards)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:3:12 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(bind_by_move_pattern_guards)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] thread 'rustc' panicked at '15 `proc_macro` handles were leaked', src/libproc_macro/bridge/handle.rs:31:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fc228e6ab04 - backtrace::backtrace::libunwind::trace::h780d9312b947e32f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x7fc228e6ab04 - backtrace::backtrace::trace_unsynchronized::h50fdb9faa9a37c56 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7fc228e6ab04 - std::sys_common::backtrace::_print_fmt::h5fd3d374bdc4a419 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x7fc228e6ab04 - ::fmt::hea77cdef8cfcc21d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x7fc228ea313c - core::fmt::write::h4af900d733d7a583 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x7fc228e5ed17 - std::io::Write::write_fmt::h7ad411185b661d1b [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x7fc228e6f335 - std::sys_common::backtrace::_print::h7743f537860b7fc2 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x7fc228e6f335 - std::sys_common::backtrace::print::h539b95bb1c3082e1 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x7fc228e6f335 - std::panicking::default_hook::{{closure}}::hc6479c8b41ede440 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x7fc228e6f026 - std::panicking::default_hook::hd581ebc9f02a25e1 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x7fc22ad770e1 - rustc::util::common::panic_hook::hcfd30b3868a2bbd1 [INFO] [stderr] 11: 0x7fc228e6fb1c - std::panicking::rust_panic_with_hook::h3ef8c012e2c61ebc [INFO] [stderr] at src/libstd/panicking.rs:481 [INFO] [stderr] 12: 0x7fc228e6f5d2 - std::panicking::continue_panic_fmt::he01939da6a6344bb [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 13: 0x7fc228e6f52c - std::panicking::begin_panic_fmt::h63eb6d3ef4de0cf5 [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 14: 0x7fc22af520eb - core::ptr::real_drop_in_place::hf3416826c0f8bbf9 [INFO] [stderr] 15: 0x7fc22af4096d - proc_macro::bridge::server::run_server::h28cee224c90f5c94 [INFO] [stderr] 16: 0x7fc22b0b4461 - ::expand::h3d03a155d531764a [INFO] [stderr] 17: 0x7fc22af975e8 - syntax::ext::expand::MacroExpander::fully_expand_fragment::hb1f6f39cf066ce47 [INFO] [stderr] 18: 0x7fc22af9330b - syntax::ext::expand::MacroExpander::expand_crate::hc41a41d223ed9f88 [INFO] [stderr] 19: 0x7fc22949d395 - rustc_interface::passes::configure_and_expand_inner::{{closure}}::h6b6c42a93bf9f254 [INFO] [stderr] 20: 0x7fc229497245 - rustc::util::common::time::h6ada68da1372db44 [INFO] [stderr] 21: 0x7fc229455c9a - rustc_interface::passes::configure_and_expand_inner::h84d4a74a8baf1caa [INFO] [stderr] 22: 0x7fc2294d4898 - rustc_interface::passes::configure_and_expand::{{closure}}::hd1925c28abe411df [INFO] [stderr] 23: 0x7fc2294a62b1 - rustc_data_structures::box_region::PinnedGenerator::new::h88a6cc744244f039 [INFO] [stderr] 24: 0x7fc229452b13 - rustc_interface::passes::configure_and_expand::h84cfd224ca4d78bc [INFO] [stderr] 25: 0x7fc2294397aa - rustc_interface::queries::Query::compute::hbec39af53d3efc7f [INFO] [stderr] 26: 0x7fc22951deb4 - rustc_interface::queries::::expansion::h1fbfb036088c57a3 [INFO] [stderr] 27: 0x7fc22937c724 - rustc_interface::interface::run_compiler_in_existing_thread_pool::h606842216a8b717b [INFO] [stderr] 28: 0x7fc22938c792 - std::thread::local::LocalKey::with::hd9a03da536e4f409 [INFO] [stderr] 29: 0x7fc2293b3ffe - scoped_tls::ScopedKey::set::h9bfff54ff9b909f7 [INFO] [stderr] 30: 0x7fc2293d3912 - syntax::with_globals::h46b7f5fadc7fa745 [INFO] [stderr] 31: 0x7fc22935dd20 - std::sys_common::backtrace::__rust_begin_short_backtrace::h47f7905e0bedea2c [INFO] [stderr] 32: 0x7fc228e8025a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 33: 0x7fc22935f589 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h87878a369ee731f7 [INFO] [stderr] 34: 0x7fc228e511ff - as core::ops::function::FnOnce>::call_once::h40757024c150d027 [INFO] [stderr] at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/liballoc/boxed.rs:922 [INFO] [stderr] 35: 0x7fc228e7ef00 - as core::ops::function::FnOnce>::call_once::h56ed15c0a76c7825 [INFO] [stderr] at /rustc/e689e5eaefe96e6dc3ed5bb629c521b7d207aff7/src/liballoc/boxed.rs:922 [INFO] [stderr] 36: 0x7fc228e7ef00 - std::sys_common::thread::start_thread::h340a4bee41999b04 [INFO] [stderr] at src/libstd/sys_common/thread.rs:13 [INFO] [stderr] 37: 0x7fc228e7ef00 - std::sys::unix::thread::Thread::new::thread_start::h5768b7af44de7dcf [INFO] [stderr] at src/libstd/sys/unix/thread.rs:79 [INFO] [stderr] 38: 0x7fc228bed4a4 - start_thread [INFO] [stderr] 39: 0x7fc228523d0f - __clone [INFO] [stderr] 40: 0x0 - [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stderr] [INFO] [stderr] error: internal compiler error: unexpected panic [INFO] [stderr] [INFO] [stderr] note: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports [INFO] [stderr] [INFO] [stderr] note: rustc 1.39.0-nightly (e689e5eae 2019-09-12) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] error: Could not compile `taikai`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4d1dafb946b25ee53cb7ef53323937fe4979993f1811fc01c818de4b4354ce71"` [INFO] running `"docker" "rm" "-f" "4d1dafb946b25ee53cb7ef53323937fe4979993f1811fc01c818de4b4354ce71"` [INFO] [stdout] 4d1dafb946b25ee53cb7ef53323937fe4979993f1811fc01c818de4b4354ce71