[INFO] fetching crate safer-ffi 0.0.5... [INFO] checking safer-ffi-0.0.5 against try#ff044a3d65d25a17c3e14c1530004e1540179ba7 for pr-78338 [INFO] extracting crate safer-ffi 0.0.5 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate safer-ffi 0.0.5 on toolchain ff044a3d65d25a17c3e14c1530004e1540179ba7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-4/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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mini_paste v0.1.11 [INFO] [stderr] Downloaded require_unsafe_in_body v0.2.1 [INFO] [stderr] Downloaded macro_rules_attribute-proc_macro v0.0.1 [INFO] [stderr] Downloaded macro_rules_attribute v0.0.1 [INFO] [stderr] Downloaded uninit v0.3.0 [INFO] [stderr] Downloaded safer_ffi-proc_macro v0.0.5 [INFO] [stderr] Downloaded mini_paste-proc_macro v0.1.11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85f197a955c9db85a90c7f3d94e984624b7f9d0f1d007e2e3f50eea605d859ee [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" "85f197a955c9db85a90c7f3d94e984624b7f9d0f1d007e2e3f50eea605d859ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85f197a955c9db85a90c7f3d94e984624b7f9d0f1d007e2e3f50eea605d859ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85f197a955c9db85a90c7f3d94e984624b7f9d0f1d007e2e3f50eea605d859ee", kill_on_drop: false }` [INFO] [stdout] 85f197a955c9db85a90c7f3d94e984624b7f9d0f1d007e2e3f50eea605d859ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff044a3d65d25a17c3e14c1530004e1540179ba7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c67bdcccf42300ace1945dc7634698b96b2522ec41b1465e58afdc55f8568cb [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" "3c67bdcccf42300ace1945dc7634698b96b2522ec41b1465e58afdc55f8568cb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling mini_paste-proc_macro v0.1.11 [INFO] [stderr] Compiling safer_ffi-proc_macro v0.0.5 [INFO] [stderr] Compiling macro_rules_attribute-proc_macro v0.0.1 [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:1194:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f0f6e081a20 - std::backtrace_rs::backtrace::libunwind::trace::h303a626d53553a64 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:100:5 [INFO] [stderr] 1: 0x7f0f6e081a20 - std::backtrace_rs::backtrace::trace_unsynchronized::h6abb882733c3f18c [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f0f6e081a20 - std::sys_common::backtrace::_print_fmt::h57829321f1d9217a [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f0f6e081a20 - ::fmt::h400b66a054640aac [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f0f6e0f0e9c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/core/src/fmt/mod.rs:1076:17 [INFO] [stderr] 5: 0x7f0f6e073642 - std::io::Write::write_fmt::h6453b28c8b27c6ea [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/io/mod.rs:1516:15 [INFO] [stderr] 6: 0x7f0f6e0869d5 - std::sys_common::backtrace::_print::h15cc4b3923cc9bc0 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f0f6e0869d5 - std::sys_common::backtrace::print::h953c7be178c0674d [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f0f6e0869d5 - std::panicking::default_hook::{{closure}}::h635d667f571198f0 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f0f6e086678 - std::panicking::default_hook::h3bc2efb48060abaa [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:227:9 [INFO] [stderr] 10: 0x7f0f6e94fe08 - rustc_driver::report_ice::hbf1325c7565687ba [INFO] [stderr] 11: 0x7f0f6201e296 - as core::ops::function::Fn>::call::h3a8c51ff9ca7378d [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1056:9 [INFO] [stderr] 12: 0x7f0f6202181b - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::h8d7762055e7225a8 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/proc_macro/src/bridge/client.rs:320:21 [INFO] [stderr] 13: 0x7f0f6e087216 - std::panicking::rust_panic_with_hook::h887eb0c89f46b8b2 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:581:17 [INFO] [stderr] 14: 0x7f0f6e086d99 - std::panicking::begin_panic_handler::{{closure}}::hf0d3f46d37dd3bc1 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:484:9 [INFO] [stderr] 15: 0x7f0f6e081ebc - std::sys_common::backtrace::__rust_end_short_backtrace::h4bce8b52717576e3 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 16: 0x7f0f6e086d59 - rust_begin_unwind [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:483:5 [INFO] [stderr] 17: 0x7f0f6e086d0b - std::panicking::begin_panic_fmt::h53297a84a5b19714 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/panicking.rs:437:5 [INFO] [stderr] 18: 0x7f0f707856cb - rustc_metadata::rmeta::decoder::cstore_impl::::module_expansion_untracked::h877f4daa66b7c07e [INFO] [stderr] 19: 0x7f0f6f7ccf02 - rustc_resolve::build_reduced_graph::::get_module::h2b25cb8aa6609b11 [INFO] [stderr] 20: 0x7f0f6f7cceb2 - rustc_resolve::build_reduced_graph::::get_module::h2b25cb8aa6609b11 [INFO] [stderr] 21: 0x7f0f6f7cd30a - rustc_resolve::build_reduced_graph::::macro_def_scope::h4862a17887cab915 [INFO] [stderr] 22: 0x7f0f6f7dfc55 - rustc_resolve::macros::::resolve_macro_invocation::h529b0871d5598164 [INFO] [stderr] 23: 0x7f0f70986bf5 - rustc_expand::expand::MacroExpander::fully_expand_fragment::hcfda0d417cf3f855 [INFO] [stderr] 24: 0x7f0f70986148 - rustc_expand::expand::MacroExpander::expand_crate::hce8e022ab3c8a1d1 [INFO] [stderr] 25: 0x7f0f6eb8ba30 - rustc_interface::passes::configure_and_expand_inner::h246e5f9cb7da99d5 [INFO] [stderr] 26: 0x7f0f6eb59955 - rustc_interface::passes::configure_and_expand::{{closure}}::h5275f520a461aac1 [INFO] [stderr] 27: 0x7f0f6eb3ce0f - rustc_data_structures::box_region::PinnedGenerator::new::h3e3420be26fe1a14 [INFO] [stderr] 28: 0x7f0f6eb89e16 - rustc_interface::passes::configure_and_expand::ha882a48bb5edcb36 [INFO] [stderr] 29: 0x7f0f6ebbe5fb - rustc_interface::queries::Queries::expansion::h5a91dce74685e0cf [INFO] [stderr] 30: 0x7f0f6e96a706 - rustc_interface::queries::::enter::h6eb07f11eba80bd6 [INFO] [stderr] 31: 0x7f0f6e931a92 - rustc_span::with_source_map::h3820d41b3a036910 [INFO] [stderr] 32: 0x7f0f6e96c1b2 - rustc_interface::interface::create_compiler_and_run::h08ad396f4e7721e0 [INFO] [stderr] 33: 0x7f0f6e95454a - scoped_tls::ScopedKey::set::hd425a36fbe06985e [INFO] [stderr] 34: 0x7f0f6e9711a5 - std::sys_common::backtrace::__rust_begin_short_backtrace::h23925571219dbc63 [INFO] [stderr] 35: 0x7f0f6e8eebbe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h43b61b9af30b3669 [INFO] [stderr] 36: 0x7f0f6e09621a - as core::ops::function::FnOnce>::call_once::h88864ee659ddb161 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 37: 0x7f0f6e09621a - as core::ops::function::FnOnce>::call_once::h9f03cbdc7ab33431 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/alloc/src/boxed.rs:1042:9 [INFO] [stderr] 38: 0x7f0f6e09621a - std::sys::unix::thread::Thread::new::thread_start::h5979dd5560a11418 [INFO] [stderr] at /rustc/ff044a3d65d25a17c3e14c1530004e1540179ba7/library/std/src/sys/unix/thread.rs:89:17 [INFO] [stderr] 39: 0x7f0f6dfb1609 - start_thread [INFO] [stderr] 40: 0x7f0f6dec5103 - clone [INFO] [stderr] 41: 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 (ff044a3d6 2020-10-24) 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" "3c67bdcccf42300ace1945dc7634698b96b2522ec41b1465e58afdc55f8568cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c67bdcccf42300ace1945dc7634698b96b2522ec41b1465e58afdc55f8568cb", kill_on_drop: false }` [INFO] [stdout] 3c67bdcccf42300ace1945dc7634698b96b2522ec41b1465e58afdc55f8568cb