[INFO] fetching crate safer-ffi 0.0.5... [INFO] checking safer-ffi-0.0.5 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] extracting crate safer-ffi 0.0.5 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate safer-ffi 0.0.5 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-2/source/.cargo/config [INFO] started tweaking crates.io crate safer-ffi 0.0.5 [INFO] finished tweaking crates.io crate safer-ffi 0.0.5 [INFO] tweaked toml for crates.io crate safer-ffi 0.0.5 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mini_paste-proc_macro v0.1.11 [INFO] [stderr] Downloaded require_unsafe_in_body v0.2.1 [INFO] [stderr] Downloaded safer_ffi-proc_macro v0.0.5 [INFO] [stderr] Downloaded macro_rules_attribute-proc_macro v0.0.1 [INFO] [stderr] Downloaded uninit v0.3.0 [INFO] [stderr] Downloaded mini_paste v0.1.11 [INFO] [stderr] Downloaded macro_rules_attribute v0.0.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c41797e36c469e75865723a92992cabf220c79ec30b672fb6d293550ab41479 [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" "0c41797e36c469e75865723a92992cabf220c79ec30b672fb6d293550ab41479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c41797e36c469e75865723a92992cabf220c79ec30b672fb6d293550ab41479", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c41797e36c469e75865723a92992cabf220c79ec30b672fb6d293550ab41479", kill_on_drop: false }` [INFO] [stdout] 0c41797e36c469e75865723a92992cabf220c79ec30b672fb6d293550ab41479 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTFLAGS=--cap-lints=forbid" "-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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24f0559a2225b9e758e68878f60081fd9141c1731393b81769906f7c42ea2a72 [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" "24f0559a2225b9e758e68878f60081fd9141c1731393b81769906f7c42ea2a72", kill_on_drop: false }` [INFO] [stderr] Compiling mini_paste-proc_macro v0.1.11 [INFO] [stderr] Compiling macro_rules_attribute-proc_macro v0.0.1 [INFO] [stderr] Compiling safer_ffi-proc_macro v0.0.5 [INFO] [stderr] Checking macro_rules_attribute v0.0.1 [INFO] [stderr] Checking mini_paste v0.1.11 [INFO] [stderr] Checking safer-ffi v0.0.5 (/opt/rustwide/workdir) [INFO] [stderr] thread 'rustc' panicked at 'Expected module, found DefId(20:196)', compiler/rustc_metadata/src/rmeta/decoder.rs:1198:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f586ce26a10 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x7f586ce26a10 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f586ce26a10 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x7f586ce26a10 - ::fmt::hb0ad78ee1571f7e0 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x7f586ce954ec - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x7f586ce18672 - std::io::Write::write_fmt::hf7b7d7b243f84a36 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x7f586ce2b7ed - std::sys_common::backtrace::_print::hd093978a5287b8ff [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x7f586ce2b7ed - std::sys_common::backtrace::print::h20f46787581d56d7 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x7f586ce2b7ed - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x7f586ce2b498 - std::panicking::default_hook::h4190c9e3edd4d591 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x7f586d6b8c24 - rustc_driver::report_ice::h2d0b9d7fa1f0e93b [INFO] [stderr] 11: 0x7f586076b4d6 - as core::ops::function::Fn>::call::hd829a3f99ec4dee0 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/alloc/src/boxed.rs:1056 [INFO] [stderr] 12: 0x7f586076ebab - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::hefebed96aa142768 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/proc_macro/src/bridge/client.rs:320 [INFO] [stderr] 13: 0x7f586ce2c036 - std::panicking::rust_panic_with_hook::h72e78719cdda225c [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:581 [INFO] [stderr] 14: 0x7f586ce2bbb9 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:484 [INFO] [stderr] 15: 0x7f586ce26e9c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 16: 0x7f586ce2bb79 - rust_begin_unwind [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:483 [INFO] [stderr] 17: 0x7f586ce2bb2b - std::panicking::begin_panic_fmt::hc19e75fd2b7bc39b [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:437 [INFO] [stderr] 18: 0x7f586f521b0b - rustc_metadata::rmeta::decoder::cstore_impl::::module_expansion_untracked::h5702d21682e69716 [INFO] [stderr] 19: 0x7f586e582e9c - rustc_resolve::build_reduced_graph::::get_module::h8b9ae44acab6ffdf [INFO] [stderr] 20: 0x7f586e582e4b - rustc_resolve::build_reduced_graph::::get_module::h8b9ae44acab6ffdf [INFO] [stderr] 21: 0x7f586e58320a - rustc_resolve::build_reduced_graph::::macro_def_scope::h67ea461561e76bc7 [INFO] [stderr] 22: 0x7f586e59480c - rustc_resolve::macros::::resolve_macro_invocation::h1118bdcb46cfd161 [INFO] [stderr] 23: 0x7f586f6103e0 - rustc_expand::expand::MacroExpander::fully_expand_fragment::h4336f1b92741f1d2 [INFO] [stderr] 24: 0x7f586f60f926 - rustc_expand::expand::MacroExpander::expand_crate::h92ae0aad159da02d [INFO] [stderr] 25: 0x7f586d8ed26b - rustc_session::utils::::time::h71b16d14e138931d [INFO] [stderr] 26: 0x7f586d931058 - rustc_interface::passes::configure_and_expand_inner::h08cb1e2c8df45e11 [INFO] [stderr] 27: 0x7f586d875705 - rustc_interface::passes::configure_and_expand::{{closure}}::h036083f0cf73df8e [INFO] [stderr] 28: 0x7f586d86d45f - rustc_data_structures::box_region::PinnedGenerator::new::ha3952edff1670ce2 [INFO] [stderr] 29: 0x7f586d9302b7 - rustc_interface::passes::configure_and_expand::h560a631034a65e2a [INFO] [stderr] 30: 0x7f586d960286 - rustc_interface::queries::Queries::expansion::hc5b19d6566fe7530 [INFO] [stderr] 31: 0x7f586d706556 - rustc_interface::queries::::enter::h6d8fbdac2c8699e8 [INFO] [stderr] 32: 0x7f586d6dc247 - rustc_span::with_source_map::h1bf646bc9539a2fe [INFO] [stderr] 33: 0x7f586d708372 - rustc_interface::interface::create_compiler_and_run::had34d5ca17db1f19 [INFO] [stderr] 34: 0x7f586d6f026a - scoped_tls::ScopedKey::set::ha91c3557665f8943 [INFO] [stderr] 35: 0x7f586d709df1 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e0e62b21e392108 [INFO] [stderr] 36: 0x7f586d68b7fe - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd3120bcd3c6454d6 [INFO] [stderr] 37: 0x7f586ce3ad7a - as core::ops::function::FnOnce>::call_once::h1080dfe0ef616bdf [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 38: 0x7f586ce3ad7a - as core::ops::function::FnOnce>::call_once::hd2747e1f2d5cec32 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/alloc/src/boxed.rs:1042 [INFO] [stderr] 39: 0x7f586ce3ad7a - std::sys::unix::thread::Thread::new::thread_start::hd0f336b4ef6808a7 [INFO] [stderr] at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys/unix/thread.rs:87 [INFO] [stderr] 40: 0x7f586cd56609 - start_thread [INFO] [stderr] 41: 0x7f586cc77103 - clone [INFO] [stderr] 42: 0x0 - [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/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: rustc 1.49.0-nightly (f47dd4da3 2020-10-04) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 [INFO] [stderr] [INFO] [stderr] note: some of the compiler flags provided by cargo are hidden [INFO] [stderr] [INFO] [stderr] query stack during panic: [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `safer-ffi` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "24f0559a2225b9e758e68878f60081fd9141c1731393b81769906f7c42ea2a72", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24f0559a2225b9e758e68878f60081fd9141c1731393b81769906f7c42ea2a72", kill_on_drop: false }` [INFO] [stdout] 24f0559a2225b9e758e68878f60081fd9141c1731393b81769906f7c42ea2a72