[INFO] cloning repository https://github.com/jwheo12/monster-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jwheo12/monster-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwheo12%2Fmonster-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwheo12%2Fmonster-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55071171f4f29cf5c24f68c0b05b5f14b019df72
[INFO] testing jwheo12/monster-lang against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjwheo12%2Fmonster-lang" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jwheo12/monster-lang
[INFO] finished tweaking git repo https://github.com/jwheo12/monster-lang
[INFO] tweaked toml for git repo https://github.com/jwheo12/monster-lang written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jwheo12/monster-lang on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jwheo12/monster-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c3bb7016393cb1a770b8a1750c988804223eed2913e2a55beb6d21d56fe15d1
[INFO] running `Command { std: "docker" "start" "-a" "4c3bb7016393cb1a770b8a1750c988804223eed2913e2a55beb6d21d56fe15d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c3bb7016393cb1a770b8a1750c988804223eed2913e2a55beb6d21d56fe15d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3bb7016393cb1a770b8a1750c988804223eed2913e2a55beb6d21d56fe15d1", kill_on_drop: false }`
[INFO] [stdout] 4c3bb7016393cb1a770b8a1750c988804223eed2913e2a55beb6d21d56fe15d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d00d337e7aaef59408a00534a2876dbd4010fe16b2183fe891fa7e05c97813
[INFO] running `Command { std: "docker" "start" "-a" "b8d00d337e7aaef59408a00534a2876dbd4010fe16b2183fe891fa7e05c97813", kill_on_drop: false }`
[INFO] [stderr]    Compiling monster v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "b8d00d337e7aaef59408a00534a2876dbd4010fe16b2183fe891fa7e05c97813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d00d337e7aaef59408a00534a2876dbd4010fe16b2183fe891fa7e05c97813", kill_on_drop: false }`
[INFO] [stdout] b8d00d337e7aaef59408a00534a2876dbd4010fe16b2183fe891fa7e05c97813
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38202e01e45bdc6b9886ae8f958e69abaccea272f3d40e9a56ef88f6e144760c
[INFO] running `Command { std: "docker" "start" "-a" "38202e01e45bdc6b9886ae8f958e69abaccea272f3d40e9a56ef88f6e144760c", kill_on_drop: false }`
[INFO] [stderr]    Compiling monster v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "38202e01e45bdc6b9886ae8f958e69abaccea272f3d40e9a56ef88f6e144760c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38202e01e45bdc6b9886ae8f958e69abaccea272f3d40e9a56ef88f6e144760c", kill_on_drop: false }`
[INFO] [stdout] 38202e01e45bdc6b9886ae8f958e69abaccea272f3d40e9a56ef88f6e144760c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21573c88555a9c6c2e225e0a113299b04bd3a2b210ac0a32319314d342872e63
[INFO] running `Command { std: "docker" "start" "-a" "21573c88555a9c6c2e225e0a113299b04bd3a2b210ac0a32319314d342872e63", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mst-96cc6f877b17b25b)
[INFO] [stdout] 
[INFO] [stdout] running 129 tests
[INFO] [stdout] test codegen_llvm::tests::emits_all_active_deferred_calls_before_nested_return ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_c_like_enum_values_and_comparison ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_control_flow_and_phi_for_logic ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_array_literal_and_runtime_indexing ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_builtin_io_calls ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_deferred_calls_before_return_in_lifo_order ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_deferred_calls_before_break_and_continue ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_break_and_continue_in_while_loop ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_function_and_arithmetic_ir ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_file_io_builtins ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_global_const_values_inline ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_extern_declaration_and_call ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_nested_struct_field_assignment ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_inferred_local_types ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_match_for_payload_enum ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_main_with_argc_and_argv ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_nested_array_index_assignment ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_pointer_address_deref_and_indexing ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_struct_type_and_field_access ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_nested_deferred_calls_at_block_exit ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_sizeof_for_scalars_and_structs ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_payload_enum_construction_and_access ... ok
[INFO] [stdout] test parser::tests::comparison_precedence_stays_below_arithmetic ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_void_function_and_bare_return ... ok
[INFO] [stdout] test codegen_llvm::tests::sanitizes_namespaced_function_symbols ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_string_and_byte_utility_builtins ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_slice_creation_and_indexing ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_manual_vec_i32_with_libc_allocation ... ok
[INFO] [stdout] test parser::tests::parses_array_type_literal_and_index ... ok
[INFO] [stdout] test parser::tests::parses_aliased_import_declaration ... ok
[INFO] [stdout] test parser::tests::parses_call_statement ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_array_index_assignment_and_len_builtin ... ok
[INFO] [stdout] test parser::tests::parses_break_and_continue ... ok
[INFO] [stdout] test parser::tests::parses_const_declaration ... ok
[INFO] [stdout] test parser::tests::parses_array_index_assignment_and_len_call ... ok
[INFO] [stdout] test parser::tests::parses_defer_statement ... ok
[INFO] [stdout] test parser::tests::parses_control_flow_and_assignment ... ok
[INFO] [stdout] test parser::tests::parses_else_if_chain ... ok
[INFO] [stdout] test parser::tests::parses_let_type_inference ... ok
[INFO] [stdout] test parser::tests::parses_extern_function_declaration ... ok
[INFO] [stdout] test parser::tests::parses_logical_and_unary_precedence ... ok
[INFO] [stdout] test parser::tests::parses_match_expression_with_payload_binding ... ok
[INFO] [stdout] test parser::tests::parses_import_declaration ... ok
[INFO] [stdout] test parser::tests::parses_enum_definition ... ok
[INFO] [stdout] test parser::tests::parses_nested_array_index_assignment ... ok
[INFO] [stdout] test parser::tests::parses_qualified_call_expression ... ok
[INFO] [stdout] test parser::tests::parses_payload_enum_definition ... ok
[INFO] [stdout] test parser::tests::parses_sizeof_expression ... ok
[INFO] [stdout] test parser::tests::parses_qualified_call_statement ... ok
[INFO] [stdout] test parser::tests::parses_pointer_type_and_deref_assignment ... ok
[INFO] [stdout] test parser::tests::parses_struct_definition_and_field_access ... ok
[INFO] [stdout] test parser::tests::parses_slice_type_and_slice_call ... ok
[INFO] [stdout] test parser::tests::parses_struct_field_assignment ... ok
[INFO] [stdout] test parser::tests::parses_u8_usize_and_as_cast ... ok
[INFO] [stdout] test semantic::tests::accepts_array_index_assignment_and_len ... ok
[INFO] [stdout] test semantic::tests::accepts_builtin_print_calls ... ok
[INFO] [stdout] test semantic::tests::accepts_array_literals_and_indexing ... ok
[INFO] [stdout] test semantic::tests::accepts_builtin_read_call ... ok
[INFO] [stdout] test semantic::tests::accepts_break_and_continue_inside_loop ... ok
[INFO] [stdout] test semantic::tests::accepts_all_paths_return_through_if_else ... ok
[INFO] [stdout] test codegen_llvm::tests::emits_u8_usize_and_as_casts ... ok
[INFO] [stdout] test parser::tests::parses_void_function_with_bare_return ... ok
[INFO] [stdout] test semantic::tests::accepts_calls_to_extern_functions ... ok
[INFO] [stdout] test semantic::tests::accepts_file_io_builtins ... ok
[INFO] [stdout] test semantic::tests::accepts_logical_and_unary_expressions ... ok
[INFO] [stdout] test semantic::tests::accepts_inferred_local_types ... ok
[INFO] [stdout] test semantic::tests::accepts_c_like_enums ... ok
[INFO] [stdout] test semantic::tests::accepts_global_const_declarations ... ok
[INFO] [stdout] test semantic::tests::accepts_main_with_argc_and_argv ... ok
[INFO] [stdout] test semantic::tests::accepts_mutable_loop_state ... ok
[INFO] [stdout] test semantic::tests::accepts_nested_defer_void_expression ... ok
[INFO] [stdout] test semantic::tests::accepts_nested_array_index_assignment ... ok
[INFO] [stdout] test semantic::tests::accepts_nested_struct_field_assignment ... ok
[INFO] [stdout] test semantic::tests::accepts_sizeof_on_scalars_and_structs ... ok
[INFO] [stdout] test semantic::tests::accepts_payload_enums_with_is_and_payload ... ok
[INFO] [stdout] test semantic::tests::accepts_match_on_payload_enum ... ok
[INFO] [stdout] test semantic::tests::accepts_pointer_address_deref_and_indexing ... ok
[INFO] [stdout] test semantic::tests::accepts_slice_params_and_len ... ok
[INFO] [stdout] test semantic::tests::accepts_string_and_byte_utility_builtins ... ok
[INFO] [stdout] test semantic::tests::accepts_top_level_defer_void_expression ... ok
[INFO] [stdout] test semantic::tests::accepts_void_function_with_bare_return ... ok
[INFO] [stdout] test semantic::tests::accepts_struct_literals_and_field_access ... ok
[INFO] [stdout] test semantic::tests::rejects_break_outside_loop ... ok
[INFO] [stdout] test semantic::tests::rejects_assignment_to_immutable_variable ... ok
[INFO] [stdout] test semantic::tests::accepts_u8_usize_arithmetic_and_casts ... ok
[INFO] [stdout] test semantic::tests::rejects_bare_return_in_non_void_function ... ok
[INFO] [stdout] test semantic::tests::rejects_builtin_read_with_arguments ... ok
[INFO] [stdout] test semantic::tests::rejects_bare_use_of_payload_variant ... ok
[INFO] [stdout] test semantic::tests::rejects_deref_on_non_pointer ... ok
[INFO] [stdout] test semantic::tests::rejects_const_and_function_name_conflict ... ok
[INFO] [stdout] test semantic::tests::rejects_defer_non_void_expression ... ok
[INFO] [stdout] test semantic::tests::rejects_continue_outside_loop ... ok
[INFO] [stdout] test semantic::tests::rejects_index_assignment_to_immutable_array ... ok
[INFO] [stdout] test semantic::tests::rejects_len_on_non_array ... ok
[INFO] [stdout] test semantic::tests::rejects_field_assignment_to_immutable_struct ... ok
[INFO] [stdout] test semantic::tests::rejects_duplicate_enum_variants ... ok
[INFO] [stdout] test semantic::tests::rejects_missing_return_path_in_if_without_else ... ok
[INFO] [stdout] test semantic::tests::rejects_missing_struct_field ... ok
[INFO] [stdout] test semantic::tests::rejects_match_payload_binding_mismatch ... ok
[INFO] [stdout] test semantic::tests::rejects_inferred_void_local_type ... ok
[INFO] [stdout] test semantic::tests::rejects_invalid_scalar_cast ... ok
[INFO] [stdout] test semantic::tests::rejects_payload_access_on_variant_without_payload ... ok
[INFO] [stdout] test semantic::tests::rejects_non_exhaustive_match ... ok
[INFO] [stdout] test semantic::tests::rejects_non_integer_array_index ... ok
[INFO] [stdout] test semantic::tests::rejects_non_bool_logical_operands ... ok
[INFO] [stdout] test semantic::tests::rejects_non_constexpr_global_const_initializer ... ok
[INFO] [stdout] test semantic::tests::rejects_non_void_function_without_return ... ok
[INFO] [stdout] test semantic::tests::rejects_sizeof_void ... ok
[INFO] [stdout] test semantic::tests::rejects_slice_on_non_array ... ok
[INFO] [stdout] test semantic::tests::rejects_too_many_indices_in_array_assignment ... ok
[INFO] [stdout] test semantic::tests::rejects_wrong_builtin_argument_type ... ok
[INFO] [stdout] test tests::detects_cargo_target_executables_for_upgrade_defaults ... ok
[INFO] [stdout] test semantic::tests::rejects_value_return_in_void_function ... ok
[INFO] [stdout] test tests::parses_debug_build_args_after_input ... ok
[INFO] [stdout] test tests::parses_debug_build_args_before_input ... ok
[INFO] [stdout] test tests::parses_build_optimization_flags ... ok
[INFO] [stdout] test tests::parses_project_config_build_options ... ok
[INFO] [stdout] test tests::parses_run_args_with_debug_and_forwarded_program_args ... ok
[INFO] [stdout] test tests::parses_release_build_args ... ok
[INFO] [stdout] test tests::parses_run_args_without_forwarded_program_args ... ok
[INFO] [stdout] test tests::rejects_unknown_build_option ... ok
[INFO] [stdout] test tests::source_artifact_dirs_are_scoped_by_input_path ... ok
[INFO] [stdout] test tests::loads_aliased_imports_with_namespaced_functions ... ok
[INFO] [stdout] test tests::loads_std_imports_from_compiler_std_dir ... ok
[INFO] [stdout] test tests::rejects_import_cycles ... ok
[INFO] [stdout] test tests::init_project_writes_default_skeleton ... ok
[INFO] [stdout] test tests::loads_relative_imports_recursively ... ok
[INFO] [stdout] test tests::resolves_manifest_entry_and_cli_overrides ... ok
[INFO] [stdout] test tests::selfhost_lexer_matches_rust_lexer_kind_sequence ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::selfhost_lexer_matches_rust_lexer_kind_sequence stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::selfhost_lexer_matches_rust_lexer_kind_sequence' (145) panicked at src/main.rs:1905:77:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: "failed to create build artifact directory '/opt/rustwide/workdir/target/mst/main-1d6519d8c9c8a019': Read-only file system (os error 30)"
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e7ca2d093aa - std[fce30c26ee6459b]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e7ca2d093aa - std[fce30c26ee6459b]::backtrace_rs::backtrace::trace_unsynchronized::<std[fce30c26ee6459b]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e7ca2d093aa - std[fce30c26ee6459b]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5e7ca2d093aa - <<std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[d17f6591d688f3bd]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5e7ca2d1de9a - <core[d17f6591d688f3bd]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5e7ca2d1de9a - core[d17f6591d688f3bd]::fmt::write
[INFO] [stdout]    6:     0x5e7ca2d0dd82 - std[fce30c26ee6459b]::io::default_write_fmt::<alloc[dad09f3a48280dba]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:621:11
[INFO] [stdout]    7:     0x5e7ca2d0dd82 - <alloc[dad09f3a48280dba]::vec::Vec<u8> as std[fce30c26ee6459b]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/io/mod.rs:1976:13
[INFO] [stdout]    8:     0x5e7ca2ce603f - <std[fce30c26ee6459b]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5e7ca2ce603f - std[fce30c26ee6459b]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5e7ca2d00909 - std[fce30c26ee6459b]::panicking::default_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5e7ca2c9b60c - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   12:     0x5e7ca2c9b60c - test[9653f4f1d2ca1489]::test_main_inner::<test[9653f4f1d2ca1489]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:155:21
[INFO] [stdout]   13:     0x5e7ca2d00ac2 - <alloc[dad09f3a48280dba]::boxed::Box<dyn for<'a, 'b> core[d17f6591d688f3bd]::ops::function::Fn<(&'a std[fce30c26ee6459b]::panic::PanicHookInfo<'b>,), Output = ()> + core[d17f6591d688f3bd]::marker::Sync + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::Fn<(&std[fce30c26ee6459b]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2285:9
[INFO] [stdout]   14:     0x5e7ca2d00ac2 - std[fce30c26ee6459b]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5e7ca2ce60f8 - std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5e7ca2cdb049 - std[fce30c26ee6459b]::sys::backtrace::__rust_end_short_backtrace::<std[fce30c26ee6459b]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5e7ca2ce6e0d - __rustc[de152adb51f02556]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5e7ca2d1e62c - core[d17f6591d688f3bd]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5e7ca2d1e3a2 - core[d17f6591d688f3bd]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x5e7ca2bf3566 - <core[d17f6591d688f3bd]::result::Result<std[fce30c26ee6459b]::path::PathBuf, alloc[dad09f3a48280dba]::string::String>>::unwrap
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x5e7ca2bf3566 - mst[984c2b411703ae90]::tests::selfhost_lexer_matches_rust_lexer_kind_sequence
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:1905:77
[INFO] [stdout]   22:     0x5e7ca2be58b7 - mst[984c2b411703ae90]::tests::selfhost_lexer_matches_rust_lexer_kind_sequence::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:1843:57
[INFO] [stdout]   23:     0x5e7ca2c3b076 - <mst[984c2b411703ae90]::tests::selfhost_lexer_matches_rust_lexer_kind_sequence::{closure#0} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5e7ca2c8e8eb - <fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5e7ca2c8e8eb - test[9653f4f1d2ca1489]::__rust_begin_short_backtrace::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, fn() -> core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:724:18
[INFO] [stdout]   26:     0x5e7ca2c9c0db - test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:74
[INFO] [stdout]   27:     0x5e7ca2c9c0db - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   28:     0x5e7ca2c9c0db - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x5e7ca2c9c0db - std[fce30c26ee6459b]::panicking::catch_unwind::<core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>, core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x5e7ca2c9c0db - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<test[9653f4f1d2ca1489]::run_test_in_process::{closure#0}>, core[d17f6591d688f3bd]::result::Result<(), alloc[dad09f3a48280dba]::string::String>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5e7ca2c9c0db - test[9653f4f1d2ca1489]::run_test_in_process
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:747:27
[INFO] [stdout]   32:     0x5e7ca2c9c0db - test[9653f4f1d2ca1489]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:668:43
[INFO] [stdout]   33:     0x5e7ca2c957f4 - test[9653f4f1d2ca1489]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/test/src/lib.rs:698:41
[INFO] [stdout]   34:     0x5e7ca2c957f4 - std[fce30c26ee6459b]::sys::backtrace::__rust_begin_short_backtrace::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x5e7ca2c9ece2 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:70:13
[INFO] [stdout]   36:     0x5e7ca2c9ece2 - <core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/panic/unwind_safe.rs:275:9
[INFO] [stdout]   37:     0x5e7ca2c9ece2 - std[fce30c26ee6459b]::panicking::catch_unwind::do_call::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x5e7ca2c9ece2 - std[fce30c26ee6459b]::panicking::catch_unwind::<(), core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x5e7ca2c9ece2 - std[fce30c26ee6459b]::panic::catch_unwind::<core[d17f6591d688f3bd]::panic::unwind_safe::AssertUnwindSafe<std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5e7ca2c9ece2 - std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked::<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/thread/lifecycle.rs:68:26
[INFO] [stdout]   41:     0x5e7ca2c9ece2 - <std[fce30c26ee6459b]::thread::lifecycle::spawn_unchecked<test[9653f4f1d2ca1489]::run_test::{closure#1}, ()>::{closure#1} as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5e7ca2d0879f - <alloc[dad09f3a48280dba]::boxed::Box<dyn core[d17f6591d688f3bd]::ops::function::FnOnce<(), Output = ()> + core[d17f6591d688f3bd]::marker::Send> as core[d17f6591d688f3bd]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/alloc/src/boxed.rs:2271:9
[INFO] [stdout]   43:     0x5e7ca2d0879f - <std[fce30c26ee6459b]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/b8e88e5ddf5521a9f43ee3f62a702388c713e4bb/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7aa023008aa4 - <unknown>
[INFO] [stdout]   45:     0x7aa023095a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::selfhost_lexer_matches_rust_lexer_kind_sequence
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 128 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin mst`
[INFO] running `Command { std: "docker" "inspect" "21573c88555a9c6c2e225e0a113299b04bd3a2b210ac0a32319314d342872e63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21573c88555a9c6c2e225e0a113299b04bd3a2b210ac0a32319314d342872e63", kill_on_drop: false }`
[INFO] [stdout] 21573c88555a9c6c2e225e0a113299b04bd3a2b210ac0a32319314d342872e63
