[INFO] fetching crate safer-ffi 0.0.5... [INFO] checking safer-ffi-0.0.5 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846 [INFO] extracting crate safer-ffi 0.0.5 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate safer-ffi 0.0.5 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-12/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-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] da2a7666713a0e8b72f819db8adde9c0531ae7bb685dfb248fd29f239b3f4184 [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" "da2a7666713a0e8b72f819db8adde9c0531ae7bb685dfb248fd29f239b3f4184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da2a7666713a0e8b72f819db8adde9c0531ae7bb685dfb248fd29f239b3f4184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da2a7666713a0e8b72f819db8adde9c0531ae7bb685dfb248fd29f239b3f4184", kill_on_drop: false }` [INFO] [stdout] da2a7666713a0e8b72f819db8adde9c0531ae7bb685dfb248fd29f239b3f4184 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0afbc3ca9ef312abdce0e36607d6e4d71614ca86a3e703c9bea0a9e6081f9f8b [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" "0afbc3ca9ef312abdce0e36607d6e4d71614ca86a3e703c9bea0a9e6081f9f8b", kill_on_drop: false }` [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(17:196)', src/librustc_metadata/rmeta/decoder.rs:1138:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f5cd34e94e5 - backtrace::backtrace::libunwind::trace::hdc42e81315d2a69f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x7f5cd34e94e5 - backtrace::backtrace::trace_unsynchronized::hc9edcf4d4fb0b42d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f5cd34e94e5 - std::sys_common::backtrace::_print_fmt::hb93b171b1042fa52 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x7f5cd34e94e5 - ::fmt::h589f1bf1cf74dd71 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x7f5cd35256ec - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x7f5cd34db222 - std::io::Write::write_fmt::hbbad3ca30e02a58a [INFO] [stderr] at library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x7f5cd34ee380 - std::sys_common::backtrace::_print::h96b2d71887f0b186 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x7f5cd34ee380 - std::sys_common::backtrace::print::h6cd6e92e674a16a4 [INFO] [stderr] at library/std/src/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x7f5cd34ee380 - std::panicking::default_hook::{{closure}}::h76820e280a7c9f14 [INFO] [stderr] at library/std/src/panicking.rs:198 [INFO] [stderr] 9: 0x7f5cd34ee0cc - std::panicking::default_hook::h3c589b4200c4e9d0 [INFO] [stderr] at library/std/src/panicking.rs:217 [INFO] [stderr] 10: 0x7f5cd3c80ff9 - rustc_driver::report_ice::hfb6cd067d526b9e2 [INFO] [stderr] 11: 0x7f5cc8e54056 - as core::ops::function::Fn>::call::hed33ecbaacdf01e1 [INFO] [stderr] at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/alloc/src/boxed.rs:1088 [INFO] [stderr] 12: 0x7f5cc8e5a955 - proc_macro::bridge::client::::enter::{{closure}}::{{closure}}::ha48b39f4753b5af1 [INFO] [stderr] at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/proc_macro/src/bridge/client.rs:319 [INFO] [stderr] 13: 0x7f5cd34eeaf8 - std::panicking::rust_panic_with_hook::h99205632f2cac760 [INFO] [stderr] at library/std/src/panicking.rs:530 [INFO] [stderr] 14: 0x7f5cd34ee6cb - rust_begin_unwind [INFO] [stderr] at library/std/src/panicking.rs:437 [INFO] [stderr] 15: 0x7f5cd34ee63b - std::panicking::begin_panic_fmt::h9e20f2177574e908 [INFO] [stderr] at library/std/src/panicking.rs:391 [INFO] [stderr] 16: 0x7f5cd56b4865 - rustc_metadata::rmeta::decoder::cstore_impl::::module_expansion_untracked::h40fd8e8cf3a9f09a [INFO] [stderr] 17: 0x7f5cd4a137e0 - rustc_resolve::build_reduced_graph::::get_module::h4d7a4f6a2a7fe669 [INFO] [stderr] 18: 0x7f5cd4a13790 - rustc_resolve::build_reduced_graph::::get_module::h4d7a4f6a2a7fe669 [INFO] [stderr] 19: 0x7f5cd4a13b2b - rustc_resolve::build_reduced_graph::::macro_def_scope::h253a5c81a9eabcfd [INFO] [stderr] 20: 0x7f5cd4a25d2e - rustc_resolve::macros::::resolve_macro_invocation::h94ccd1e82fcc97f4 [INFO] [stderr] 21: 0x7f5cd591baef - rustc_expand::expand::MacroExpander::fully_expand_fragment::h905681c616808954 [INFO] [stderr] 22: 0x7f5cd591b02c - rustc_expand::expand::MacroExpander::expand_crate::ha4e51852865b7a79 [INFO] [stderr] 23: 0x7f5cd3e6f1a5 - rustc_session::utils::::time::h175da6b21ab5ba3f [INFO] [stderr] 24: 0x7f5cd3e1c777 - rustc_interface::passes::configure_and_expand_inner::hdea6cb5013d2cd08 [INFO] [stderr] 25: 0x7f5cd3e87f99 - rustc_interface::passes::configure_and_expand::{{closure}}::hce8fb50368a59ece [INFO] [stderr] 26: 0x7f5cd3e72c40 - rustc_data_structures::box_region::PinnedGenerator::new::h94fdf34299a093c3 [INFO] [stderr] 27: 0x7f5cd3e1ba31 - rustc_interface::passes::configure_and_expand::h0086bb1ee872cd82 [INFO] [stderr] 28: 0x7f5cd3e346a4 - rustc_interface::queries::Queries::expansion::hc0298dd49b4ce40b [INFO] [stderr] 29: 0x7f5cd3c3b053 - rustc_interface::queries::::enter::h9f1093ac4ce57102 [INFO] [stderr] 30: 0x7f5cd3cdaaf7 - rustc_span::with_source_map::h63a39e27818f04f8 [INFO] [stderr] 31: 0x7f5cd3c3c7f6 - rustc_interface::interface::create_compiler_and_run::h5b37142f135de911 [INFO] [stderr] 32: 0x7f5cd3c66dfd - scoped_tls::ScopedKey::set::hded2ad57f79f669f [INFO] [stderr] 33: 0x7f5cd3c88e12 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5b9f4f3800cb9f35 [INFO] [stderr] 34: 0x7f5cd3c4972e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1d65e7119903c989 [INFO] [stderr] 35: 0x7f5cd34fd00a - as core::ops::function::FnOnce>::call_once::h5fb2a84ab207c084 [INFO] [stderr] at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/alloc/src/boxed.rs:1074 [INFO] [stderr] 36: 0x7f5cd34fd00a - as core::ops::function::FnOnce>::call_once::h57349f24407d73d3 [INFO] [stderr] at /rustc/7b3a7819371cef92a187e9bac8f7810ccde15216/library/alloc/src/boxed.rs:1074 [INFO] [stderr] 37: 0x7f5cd34fd00a - std::sys::unix::thread::Thread::new::thread_start::h03d6b33ece095db1 [INFO] [stderr] at library/std/src/sys/unix/thread.rs:87 [INFO] [stderr] 38: 0x7f5cd343a609 - start_thread [INFO] [stderr] 39: 0x7f5cd334e103 - __clone [INFO] [stderr] 40: 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 1.47.0-nightly (7b3a78193 2020-07-28) 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" "0afbc3ca9ef312abdce0e36607d6e4d71614ca86a3e703c9bea0a9e6081f9f8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0afbc3ca9ef312abdce0e36607d6e4d71614ca86a3e703c9bea0a9e6081f9f8b", kill_on_drop: false }` [INFO] [stdout] 0afbc3ca9ef312abdce0e36607d6e4d71614ca86a3e703c9bea0a9e6081f9f8b