[INFO] cloning repository https://github.com/mikegedelman/rust-no-std-ice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mikegedelman/rust-no-std-ice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikegedelman%2Frust-no-std-ice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikegedelman%2Frust-no-std-ice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 45285be930b4329d4f0254149ca9f1b96c1a6ae8 [INFO] testing mikegedelman/rust-no-std-ice against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmikegedelman%2Frust-no-std-ice" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mikegedelman/rust-no-std-ice on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-9/source/rust-toolchain [INFO] started tweaking git repo https://github.com/mikegedelman/rust-no-std-ice [INFO] finished tweaking git repo https://github.com/mikegedelman/rust-no-std-ice [INFO] tweaked toml for git repo https://github.com/mikegedelman/rust-no-std-ice written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/mikegedelman/rust-no-std-ice already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f70878ff4de4020645da635534ee7c4118060209405ecd5fbd3bc0b987e08747 [INFO] running `Command { std: "docker" "start" "-a" "f70878ff4de4020645da635534ee7c4118060209405ecd5fbd3bc0b987e08747", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f70878ff4de4020645da635534ee7c4118060209405ecd5fbd3bc0b987e08747", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f70878ff4de4020645da635534ee7c4118060209405ecd5fbd3bc0b987e08747", kill_on_drop: false }` [INFO] [stdout] f70878ff4de4020645da635534ee7c4118060209405ecd5fbd3bc0b987e08747 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 088bf9287de8e77397af454312ff02bee757dec1eee1cb76345b4314cad75ee8 [INFO] running `Command { std: "docker" "start" "-a" "088bf9287de8e77397af454312ff02bee757dec1eee1cb76345b4314cad75ee8", kill_on_drop: false }` [INFO] [stderr] Compiling no_std_lib v0.0.1 (/opt/rustwide/workdir/no_std_lib) [INFO] [stderr] Compiling app v0.0.1 (/opt/rustwide/workdir/app) [INFO] [stdout] error: internal compiler error: compiler/rustc_metadata/src/rmeta/decoder.rs:1179:17: get_optimized_mir: missing MIR for `DefId(4:4 ~ no_std_lib[4230]::lang_start)` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] thread 'rustc' panicked at 'Box', compiler/rustc_errors/src/lib.rs:1034:9 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f933e29c090 - std::backtrace_rs::backtrace::libunwind::trace::h99dbb39dca18857d [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7f933e29c090 - std::backtrace_rs::backtrace::trace_unsynchronized::h832861927e9cfedf [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7f933e29c090 - std::sys_common::backtrace::_print_fmt::h3d18154c77dcf310 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7f933e29c090 - ::fmt::he312f4ad5b9bb346 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7f933e309cfc - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x7f933e28d975 - std::io::Write::write_fmt::h6aced00850e8186f [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/io/mod.rs:1665:15 [INFO] [stderr] 6: 0x7f933e29fdab - std::sys_common::backtrace::_print::h65d996766de40da4 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7f933e29fdab - std::sys_common::backtrace::print::h40df9727e635f303 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7f933e29fdab - std::panicking::default_hook::{{closure}}::hd2da4327dea91a51 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7f933e29f881 - std::panicking::default_hook::h3d55120ad6ada158 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7f933ea7d901 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::h98690b446fb8b04c [INFO] [stderr] 11: 0x7f933e2a05d9 - std::panicking::rust_panic_with_hook::hf85dd0bb545e3b55 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/panicking.rs:626:17 [INFO] [stderr] 12: 0x7f933fa6261b - std::panicking::begin_panic::{{closure}}::hecbebe18226bf241 [INFO] [stderr] 13: 0x7f933fa625a6 - std::sys_common::backtrace::__rust_end_short_backtrace::h7570b823de984483 [INFO] [stderr] 14: 0x7f933fa6497f - std::panicking::begin_panic::hbfbf0ff6f7e9a2e1 [INFO] [stderr] 15: 0x7f933fa799fd - std::panic::panic_any::h9b58b69598db8d52 [INFO] [stderr] 16: 0x7f933fa7c81a - rustc_errors::HandlerInner::bug::h69b8d780df20db9a [INFO] [stderr] 17: 0x7f933fa7c2d0 - rustc_errors::Handler::bug::h04eb0f7808456322 [INFO] [stderr] 18: 0x7f933f9d549c - rustc_middle::ty::context::tls::with_opt::hcefda774443605fb [INFO] [stderr] 19: 0x7f933f9d56a0 - rustc_middle::util::bug::opt_span_bug_fmt::hbf4f38c7426a3da9 [INFO] [stderr] 20: 0x7f933f9d5616 - rustc_middle::util::bug::bug_fmt::h23a56cbc4ca6dee5 [INFO] [stderr] 21: 0x7f9340bf9bb0 - rustc_metadata::rmeta::decoder::::get_optimized_mir::hdd81147ba58766b1 [INFO] [stderr] 22: 0x7f9340c322de - rustc_metadata::rmeta::decoder::cstore_impl::provide_extern::optimized_mir::hbce2409260000503 [INFO] [stderr] 23: 0x7f9340120deb - rustc_query_system::query::plumbing::get_query_impl::hacbc13faf80dcfc9 [INFO] [stderr] 24: 0x7f9340180c2b - ::optimized_mir::h1a1ed2c80a67a479 [INFO] [stderr] 25: 0x7f9340492a68 - rustc_middle::ty::::instance_mir::h0979c343754f66dd [INFO] [stderr] 26: 0x7f93400f4189 - rustc_mir::monomorphize::collector::collect_neighbours::h9f47d7d13f7b371e [INFO] [stderr] 27: 0x7f93400edc1b - rustc_mir::monomorphize::collector::collect_items_rec::h3a0621d5b7f5b1a2 [INFO] [stderr] 28: 0x7f93400ecc44 - rustc_mir::monomorphize::collector::collect_crate_mono_items::h100de4fcb4a45b64 [INFO] [stderr] 29: 0x7f933ffbfa17 - rustc_mir::monomorphize::partitioning::collect_and_partition_mono_items::hafa0b3e1b15f6b54 [INFO] [stderr] 30: 0x7f9340a37bf6 - rustc_query_system::query::plumbing::get_query_impl::hec5f812f83985c28 [INFO] [stderr] 31: 0x7f9340b42596 - ::collect_and_partition_mono_items::h7408a24ae8d54756 [INFO] [stderr] 32: 0x7f9340613c0c - ::codegen_crate::h90620387b7866d2d [INFO] [stderr] 33: 0x7f9340596c85 - rustc_interface::passes::QueryContext::enter::hbee451a10ef74743 [INFO] [stderr] 34: 0x7f934058eb66 - rustc_interface::queries::Queries::ongoing_codegen::hddba2234275c96a4 [INFO] [stderr] 35: 0x7f934056c678 - rustc_interface::queries::::enter::h9ff1bb326f6cbdde [INFO] [stderr] 36: 0x7f934055baec - rustc_span::with_source_map::h35aa4a6792e2f0de [INFO] [stderr] 37: 0x7f934056d39a - rustc_interface::interface::create_compiler_and_run::h600b31664ea7498c [INFO] [stderr] 38: 0x7f934055fc79 - scoped_tls::ScopedKey::set::h95fded8ea1ce829a [INFO] [stderr] 39: 0x7f934055c0ba - std::sys_common::backtrace::__rust_begin_short_backtrace::hcb9f52ef891273be [INFO] [stderr] 40: 0x7f934055b3a5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7d639d5804de8241 [INFO] [stderr] 41: 0x7f933e2acb67 - as core::ops::function::FnOnce>::call_once::h09f167e08fc945ff [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 42: 0x7f933e2acb67 - as core::ops::function::FnOnce>::call_once::hf814fe85eeb118e0 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 43: 0x7f933e2acb67 - std::sys::unix::thread::Thread::new::thread_start::hb71b17934c5f5e68 [INFO] [stderr] at /rustc/d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2/library/std/src/sys/unix/thread.rs:91:17 [INFO] [stderr] 44: 0x7f933e1c8609 - start_thread [INFO] [stderr] 45: 0x7f933e0dc293 - clone [INFO] [stderr] 46: 0x0 - [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 1.56.0-nightly (d2e9fff28 2021-07-28) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C panic=abort -C embed-bitcode=no -C debuginfo=2 --crate-type bin [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] #0 [optimized_mir] optimizing MIR for `no_std_lib::lang_start` [INFO] [stderr] #1 [collect_and_partition_mono_items] collect_and_partition_mono_items [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `app` due to previous error [INFO] running `Command { std: "docker" "inspect" "088bf9287de8e77397af454312ff02bee757dec1eee1cb76345b4314cad75ee8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "088bf9287de8e77397af454312ff02bee757dec1eee1cb76345b4314cad75ee8", kill_on_drop: false }` [INFO] [stdout] 088bf9287de8e77397af454312ff02bee757dec1eee1cb76345b4314cad75ee8