[INFO] fetching crate umbra-lang 0.15.0... [INFO] testing umbra-lang-0.15.0 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] extracting crate umbra-lang 0.15.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate umbra-lang 0.15.0 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate umbra-lang 0.15.0 [INFO] finished tweaking crates.io crate umbra-lang 0.15.0 [INFO] tweaked toml for crates.io crate umbra-lang 0.15.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate umbra-lang 0.15.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-complex v0.4.0 [INFO] [stderr] Downloaded num-rational v0.4.0 [INFO] [stderr] Downloaded rustyline v8.0.0 [INFO] [stderr] Downloaded num v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a5e566ecbca745de38c11c41773e7791cbe3d1608b218d8ce6ac4aaf4c5c75e [INFO] running `Command { std: "docker" "start" "-a" "6a5e566ecbca745de38c11c41773e7791cbe3d1608b218d8ce6ac4aaf4c5c75e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a5e566ecbca745de38c11c41773e7791cbe3d1608b218d8ce6ac4aaf4c5c75e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a5e566ecbca745de38c11c41773e7791cbe3d1608b218d8ce6ac4aaf4c5c75e", kill_on_drop: false }` [INFO] [stdout] 6a5e566ecbca745de38c11c41773e7791cbe3d1608b218d8ce6ac4aaf4c5c75e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9cc46d9616a49886dff82eb28a84a52ad53b891a54c3c2ea7d50f067e97c05d4 [INFO] running `Command { std: "docker" "start" "-a" "9cc46d9616a49886dff82eb28a84a52ad53b891a54c3c2ea7d50f067e97c05d4", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling endian-type v0.1.2 [INFO] [stderr] Compiling utf8parse v0.2.0 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling nibble_vec v0.1.0 [INFO] [stderr] Compiling itertools v0.10.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling radix_trie v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.4.0 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling nix v0.20.0 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling num v0.4.0 [INFO] [stderr] Compiling rustyline v8.0.0 [INFO] [stderr] Compiling umbra-lang v0.15.0 (/opt/rustwide/workdir) [INFO] [stderr] thread 'rustc' panicked at 'Box', /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panic.rs:59:5 [INFO] [stdout] error: internal compiler error: compiler/rustc_symbol_mangling/src/v0.rs:568:17: symbol_names: unsupported constant of type `ops::Op` (Const { ty: ops::Op, val: Value(Scalar(0x19)) }) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fe6e5ece4c0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7fe6e5ece4c0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized:: [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fe6e5ece4c0 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7fe6e5ece4c0 - ::fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7fe6e5f3be9c - core[ee1ca6415511a9c4]::fmt::write [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x7fe6e5ebfe15 - ::write_fmt [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x7fe6e5ed220b - std[77c0456e0eb29f0c]::sys_common::backtrace::_print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7fe6e5ed220b - std[77c0456e0eb29f0c]::sys_common::backtrace::print [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fe6e5ed220b - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1} [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7fe6e5ed1ce1 - std[77c0456e0eb29f0c]::panicking::default_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7fe6e6687afd - rustc_driver[483abbcf9e72e7cf]::report_ice [INFO] [stderr] 11: 0x7fe6e5ed2a16 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:626:17 [INFO] [stderr] 12: 0x7fe6e764934b - std[77c0456e0eb29f0c]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 13: 0x7fe6e7649296 - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 14: 0x7fe6e764a61f - std[77c0456e0eb29f0c]::panicking::begin_panic:: [INFO] [stderr] 15: 0x7fe6e766273d - std[77c0456e0eb29f0c]::panic::panic_any:: [INFO] [stderr] 16: 0x7fe6e76655da - ::bug [INFO] [stderr] 17: 0x7fe6e7665080 - ::bug [INFO] [stderr] 18: 0x7fe6e759f450 - rustc_middle[4cd8eb4e66530e50]::ty::context::tls::with_opt::::{closure#0}, ()> [INFO] [stderr] 19: 0x7fe6e75a4500 - rustc_middle[4cd8eb4e66530e50]::util::bug::opt_span_bug_fmt:: [INFO] [stderr] 20: 0x7fe6e75a4476 - rustc_middle[4cd8eb4e66530e50]::util::bug::bug_fmt [INFO] [stderr] 21: 0x7fe6e87ce957 - ::print_const [INFO] [stderr] 22: 0x7fe6e7da8f79 - ::print_def_path [INFO] [stderr] 23: 0x7fe6e7dabdd3 - ::print_impl_path [INFO] [stderr] 24: 0x7fe6e7da722b - ::print_def_path [INFO] [stderr] 25: 0x7fe6e7da6644 - ::print_def_path [INFO] [stderr] 26: 0x7fe6e7da51ac - rustc_symbol_mangling[e3ac7cad7aae7613]::v0::mangle [INFO] [stderr] 27: 0x7fe6e7db1fba - rustc_symbol_mangling[e3ac7cad7aae7613]::symbol_name_provider [INFO] [stderr] 28: 0x7fe6e7a7e183 - >::compute [INFO] [stderr] 29: 0x7fe6e7ac5766 - >::with_task_impl:: fn(&'a mut rustc_middle[4cd8eb4e66530e50]::ich::hcx::StableHashingContext, &'b rustc_middle[4cd8eb4e66530e50]::ty::SymbolName) -> core[ee1ca6415511a9c4]::option::Option> [INFO] [stderr] 30: 0x7fe6e7ad19af - rustc_data_structures[52e6d6087bd5b52c]::stack::ensure_sufficient_stack::<(rustc_middle[4cd8eb4e66530e50]::ty::SymbolName, rustc_query_system[195a98efe178d20a]::dep_graph::graph::DepNodeIndex), rustc_query_system[195a98efe178d20a]::query::plumbing::force_query_with_job, rustc_query_impl[73652419363b7eb3]::plumbing::QueryCtxt>::{closure#0}::{closure#0}> [INFO] [stderr] 31: 0x7fe6e7a6bd3d - rustc_query_system[195a98efe178d20a]::query::plumbing::force_query_with_job::, rustc_query_impl[73652419363b7eb3]::plumbing::QueryCtxt> [INFO] [stderr] 32: 0x7fe6e7a596f8 - rustc_query_system[195a98efe178d20a]::query::plumbing::get_query_impl::> [INFO] [stderr] 33: 0x7fe6e7aada13 - ::symbol_name [INFO] [stderr] 34: 0x7fe6e80a4ea7 - ::symbol_name [INFO] [stderr] 35: 0x7fe6e7bee197 - as alloc[cda43b294bbfc5d0]::vec::spec_from_iter::SpecFromIter<(&rustc_middle[4cd8eb4e66530e50]::mir::mono::MonoItem, rustc_middle[4cd8eb4e66530e50]::ty::SymbolName), core[ee1ca6415511a9c4]::iter::adapters::map::Map, rustc_mir[cd7939ebf13d5829]::monomorphize::partitioning::assert_symbols_are_distinct>::{closure#0}>>>::from_iter [INFO] [stderr] 36: 0x7fe6e7d88cbf - rustc_mir[cd7939ebf13d5829]::monomorphize::partitioning::assert_symbols_are_distinct::> [INFO] [stderr] 37: 0x7fe6e873218d - rustc_data_structures[52e6d6087bd5b52c]::sync::join:: [INFO] [stderr] 38: 0x7fe6e7d89138 - rustc_mir[cd7939ebf13d5829]::monomorphize::partitioning::collect_and_partition_mono_items [INFO] [stderr] 39: 0x7fe6e858f9fd - >::compute [INFO] [stderr] 40: 0x7fe6e860e24c - >::with_task_impl::>, &[rustc_middle[4cd8eb4e66530e50]::mir::mono::CodegenUnit]), for<'a, 'b> fn(&'a mut rustc_middle[4cd8eb4e66530e50]::ich::hcx::StableHashingContext, &'b (&std[77c0456e0eb29f0c]::collections::hash::set::HashSet>, &[rustc_middle[4cd8eb4e66530e50]::mir::mono::CodegenUnit])) -> core[ee1ca6415511a9c4]::option::Option> [INFO] [stderr] 41: 0x7fe6e862cfbe - rustc_data_structures[52e6d6087bd5b52c]::stack::ensure_sufficient_stack::<((&std[77c0456e0eb29f0c]::collections::hash::set::HashSet>, &[rustc_middle[4cd8eb4e66530e50]::mir::mono::CodegenUnit]), rustc_query_system[195a98efe178d20a]::dep_graph::graph::DepNodeIndex), rustc_query_system[195a98efe178d20a]::query::plumbing::force_query_with_job>, &[rustc_middle[4cd8eb4e66530e50]::mir::mono::CodegenUnit])>, rustc_query_impl[73652419363b7eb3]::plumbing::QueryCtxt>::{closure#0}::{closure#0}> [INFO] [stderr] 42: 0x7fe6e8555e6d - rustc_query_system[195a98efe178d20a]::query::plumbing::force_query_with_job::>, &[rustc_middle[4cd8eb4e66530e50]::mir::mono::CodegenUnit])>, rustc_query_impl[73652419363b7eb3]::plumbing::QueryCtxt> [INFO] [stderr] 43: 0x7fe6e8533717 - rustc_query_system[195a98efe178d20a]::query::plumbing::get_query_impl::>, &[rustc_middle[4cd8eb4e66530e50]::mir::mono::CodegenUnit])>> [INFO] [stderr] 44: 0x7fe6e85e1c49 - ::collect_and_partition_mono_items [INFO] [stderr] 45: 0x7fe6e87c7cb1 - rustc_codegen_ssa[fdf1b4b4aa8707f5]::back::symbol_export::exported_symbols_provider_local [INFO] [stderr] 46: 0x7fe6e8604caf - >::with_task_impl:: fn(&'a mut rustc_middle[4cd8eb4e66530e50]::ich::hcx::StableHashingContext, &'b &[(rustc_middle[4cd8eb4e66530e50]::middle::exported_symbols::ExportedSymbol, rustc_middle[4cd8eb4e66530e50]::middle::exported_symbols::SymbolExportLevel)]) -> core[ee1ca6415511a9c4]::option::Option> [INFO] [stderr] 47: 0x7fe6e862cef1 - rustc_data_structures[52e6d6087bd5b52c]::stack::ensure_sufficient_stack::<(&[(rustc_middle[4cd8eb4e66530e50]::middle::exported_symbols::ExportedSymbol, rustc_middle[4cd8eb4e66530e50]::middle::exported_symbols::SymbolExportLevel)], rustc_query_system[195a98efe178d20a]::dep_graph::graph::DepNodeIndex), rustc_query_system[195a98efe178d20a]::query::plumbing::force_query_with_job, rustc_query_impl[73652419363b7eb3]::plumbing::QueryCtxt>::{closure#0}::{closure#0}> [INFO] [stderr] 48: 0x7fe6e854f5b8 - rustc_query_system[195a98efe178d20a]::query::plumbing::force_query_with_job::, rustc_query_impl[73652419363b7eb3]::plumbing::QueryCtxt> [INFO] [stderr] 49: 0x7fe6e8523a80 - rustc_query_system[195a98efe178d20a]::query::plumbing::get_query_impl::> [INFO] [stderr] 50: 0x7fe6e85e1b8f - ::exported_symbols [INFO] [stderr] 51: 0x7fe6e7dc903a - ::encode_crate_root [INFO] [stderr] 52: 0x7fe6e87f1069 - rustc_metadata[837f7eba3b60b989]::rmeta::encoder::encode_metadata_impl [INFO] [stderr] 53: 0x7fe6e8800311 - rustc_data_structures[52e6d6087bd5b52c]::sync::join:: [INFO] [stderr] 54: 0x7fe6e87f545e - ::encode_metadata [INFO] [stderr] 55: 0x7fe6e8a13db9 - ::encode_metadata [INFO] [stderr] 56: 0x7fe6e81b0d4d - ::enter::<::ongoing_codegen::{closure#0}::{closure#0}, core[ee1ca6415511a9c4]::result::Result, rustc_errors[a6601eba5631ab8e]::ErrorReported>> [INFO] [stderr] 57: 0x7fe6e81bb136 - ::ongoing_codegen [INFO] [stderr] 58: 0x7fe6e8180524 - ::enter::, rustc_errors[a6601eba5631ab8e]::ErrorReported>> [INFO] [stderr] 59: 0x7fe6e817d56c - rustc_span[41f5d8395d191526]::with_source_map::, rustc_interface[2a693571f116958c]::interface::create_compiler_and_run, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}> [INFO] [stderr] 60: 0x7fe6e81813c8 - >::set::, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>> [INFO] [stderr] 61: 0x7fe6e81a4eab - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace::, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, ()> [INFO] [stderr] 62: 0x7fe6e817bf35 - <::spawn_unchecked, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, ()>::{closure#0} as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 63: 0x7fe6e5edef47 - > as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 64: 0x7fe6e5edef47 - >> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9 [INFO] [stderr] 65: 0x7fe6e5edef47 - ::new::thread_start [INFO] [stderr] at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stderr] 66: 0x7fe6e5dff609 - start_thread [INFO] [stderr] 67: 0x7fe6e5d13293 - clone [INFO] [stderr] 68: 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 1.54.0-nightly (ce59db7a1 2021-05-20) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib [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 [symbol_name] computing the symbol for `ops::::op` [INFO] [stderr] #1 [collect_and_partition_mono_items] collect_and_partition_mono_items [INFO] [stderr] #2 [exported_symbols] exported_symbols [INFO] [stderr] end of query stack [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `umbra-lang` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "9cc46d9616a49886dff82eb28a84a52ad53b891a54c3c2ea7d50f067e97c05d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cc46d9616a49886dff82eb28a84a52ad53b891a54c3c2ea7d50f067e97c05d4", kill_on_drop: false }` [INFO] [stdout] 9cc46d9616a49886dff82eb28a84a52ad53b891a54c3c2ea7d50f067e97c05d4