[INFO] fetching crate wonderbox 0.5.0...
[INFO] building wonderbox-0.5.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate wonderbox 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate wonderbox 0.5.0
[INFO] finished tweaking crates.io crate wonderbox 0.5.0
[INFO] tweaked toml for crates.io crate wonderbox 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wonderbox 0.5.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbc2cc99b23d460261ae6788bcc01e9d1d6ccc00525e2a1928d0a5bc2b6941ed
[INFO] running `Command { std: "docker" "start" "-a" "cbc2cc99b23d460261ae6788bcc01e9d1d6ccc00525e2a1928d0a5bc2b6941ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbc2cc99b23d460261ae6788bcc01e9d1d6ccc00525e2a1928d0a5bc2b6941ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc2cc99b23d460261ae6788bcc01e9d1d6ccc00525e2a1928d0a5bc2b6941ed", kill_on_drop: false }`
[INFO] [stdout] cbc2cc99b23d460261ae6788bcc01e9d1d6ccc00525e2a1928d0a5bc2b6941ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12ea8f8df326d8c636f1e29635d4359177c921421293737326c5eb41b6fd4f58
[INFO] running `Command { std: "docker" "start" "-a" "12ea8f8df326d8c636f1e29635d4359177c921421293737326c5eb41b6fd4f58", kill_on_drop: false }`
[INFO] [stderr]    Compiling wonderbox v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |     unsafe { std::intrinsics::type_name::<T>() }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "12ea8f8df326d8c636f1e29635d4359177c921421293737326c5eb41b6fd4f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12ea8f8df326d8c636f1e29635d4359177c921421293737326c5eb41b6fd4f58", kill_on_drop: false }`
[INFO] [stdout] 12ea8f8df326d8c636f1e29635d4359177c921421293737326c5eb41b6fd4f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e92f5e635b37729e69d6aabafac5dcd156dc14b19e75749652f250ab4a251c5
[INFO] running `Command { std: "docker" "start" "-a" "6e92f5e635b37729e69d6aabafac5dcd156dc14b19e75749652f250ab4a251c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling wonderbox v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |     unsafe { std::intrinsics::type_name::<T>() }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout]    = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/lib.rs:315:5
[INFO] [stdout]     |
[INFO] [stdout] 315 |     unsafe { std::intrinsics::type_name::<T>() }
[INFO] [stdout]     |     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: internal compiler error: /rustc-dev/4987e9d4227139400384ab59296ffee3b0fb1183/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:123:21: nullary intrinsic type_name must either be in a const block or explicitly opted out because it is inherently a runtime intrinsic
[INFO] [stdout]    --> src/lib.rs:315:14
[INFO] [stdout]     |
[INFO] [stdout] 315 |     unsafe { std::intrinsics::type_name::<T>() }
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (30) panicked at /rustc-dev/4987e9d4227139400384ab59296ffee3b0fb1183/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:123:21:
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7facd93cbc73 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h2212f3765287aa3c
[INFO] [stderr]    1:     0x7facd9a01f98 - core::fmt::write::he00b92b9582c1fe6
[INFO] [stderr]    2:     0x7facd9382661 - std::io::Write::write_fmt::h4a31dcab881658aa
[INFO] [stderr]    3:     0x7facd9393792 - std::sys::backtrace::BacktraceLock::print::h88b4e5cf8cc5573c
[INFO] [stderr]    4:     0x7facd9397b09 - std::panicking::default_hook::{{closure}}::h59b171bf4b799798
[INFO] [stderr]    5:     0x7facd9397633 - std::panicking::default_hook::h518e81d9a9e2c2c5
[INFO] [stderr]    6:     0x7facd8454cd7 - std[29c6a88b6662e21]::panicking::update_hook::<alloc[5cd6b5aa3e7b39bf]::boxed::Box<rustc_driver_impl[873efb856e3d8a2c]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    7:     0x7facd9397f2f - std::panicking::panic_with_hook::h6c76fcfbe64ae67c
[INFO] [stderr]    8:     0x7facd8490931 - std[29c6a88b6662e21]::panicking::begin_panic::<rustc_errors[1dac532de25b4ed5]::ExplicitBug>::{closure#0}
[INFO] [stderr]    9:     0x7facd8484d36 - std[29c6a88b6662e21]::sys::backtrace::__rust_end_short_backtrace::<std[29c6a88b6662e21]::panicking::begin_panic<rustc_errors[1dac532de25b4ed5]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]   10:     0x7facd8481e24 - std[29c6a88b6662e21]::panicking::begin_panic::<rustc_errors[1dac532de25b4ed5]::ExplicitBug>
[INFO] [stderr]   11:     0x7facd849bc81 - <rustc_errors[1dac532de25b4ed5]::diagnostic::BugAbort as rustc_errors[1dac532de25b4ed5]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   12:     0x7facd89c919c - <rustc_errors[1dac532de25b4ed5]::DiagCtxtHandle>::span_bug::<rustc_span[174c530b0ecf3390]::span_encoding::Span, alloc[5cd6b5aa3e7b39bf]::string::String>
[INFO] [stderr]   13:     0x7facd89ed427 - rustc_middle[9d9c9f7aa5fb139]::util::bug::opt_span_bug_fmt::<rustc_span[174c530b0ecf3390]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   14:     0x7facd89ed4aa - rustc_middle[9d9c9f7aa5fb139]::ty::context::tls::with_opt::<rustc_middle[9d9c9f7aa5fb139]::util::bug::opt_span_bug_fmt<rustc_span[174c530b0ecf3390]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   15:     0x7facd89db91b - rustc_middle[9d9c9f7aa5fb139]::ty::context::tls::with_context_opt::<rustc_middle[9d9c9f7aa5fb139]::ty::context::tls::with_opt<rustc_middle[9d9c9f7aa5fb139]::util::bug::opt_span_bug_fmt<rustc_span[174c530b0ecf3390]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   16:     0x7facd6757477 - rustc_middle[9d9c9f7aa5fb139]::util::bug::span_bug_fmt::<rustc_span[174c530b0ecf3390]::span_encoding::Span>
[INFO] [stderr]   17:     0x7facda9cafcc - <rustc_codegen_ssa[2892d281a392f058]::mir::FunctionCx<rustc_codegen_llvm[df64d086df4722b2]::builder::GenericBuilder<rustc_codegen_llvm[df64d086df4722b2]::context::FullCx>>>::codegen_intrinsic_call
[INFO] [stderr]   18:     0x7facd6d1bea2 - <rustc_codegen_ssa[2892d281a392f058]::mir::FunctionCx<rustc_codegen_llvm[df64d086df4722b2]::builder::GenericBuilder<rustc_codegen_llvm[df64d086df4722b2]::context::FullCx>>>::codegen_terminator
[INFO] [stderr]   19:     0x7facdadabd47 - rustc_codegen_ssa[2892d281a392f058]::mir::codegen_mir::<rustc_codegen_llvm[df64d086df4722b2]::builder::GenericBuilder<rustc_codegen_llvm[df64d086df4722b2]::context::FullCx>>
[INFO] [stderr]   20:     0x7facd9be6bcb - rustc_codegen_llvm[df64d086df4722b2]::base::compile_codegen_unit::module_codegen
[INFO] [stderr]   21:     0x7facdad69aea - <rustc_codegen_llvm[df64d086df4722b2]::LlvmCodegenBackend as rustc_codegen_ssa[2892d281a392f058]::traits::backend::ExtraBackendMethods>::compile_codegen_unit
[INFO] [stderr]   22:     0x7facdad68b9c - rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_slice::par_rec::<(core[9b0b45a2eca8b57e]::option::Option<(usize, &rustc_codegen_ssa[2892d281a392f058]::assert_module_sources::CguReuse)>, core[9b0b45a2eca8b57e]::option::Option<(usize, rustc_data_structures[f5ea9960b28d5ac8]::marker::IntoDynSyncSend<(rustc_codegen_ssa[2892d281a392f058]::ModuleCodegen<rustc_codegen_llvm[df64d086df4722b2]::ModuleLlvm>, u64)>)>), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_map<(usize, &rustc_codegen_ssa[2892d281a392f058]::assert_module_sources::CguReuse), alloc[5cd6b5aa3e7b39bf]::vec::Vec<(usize, &rustc_codegen_ssa[2892d281a392f058]::assert_module_sources::CguReuse)>, (usize, rustc_data_structures[f5ea9960b28d5ac8]::marker::IntoDynSyncSend<(rustc_codegen_ssa[2892d281a392f058]::ModuleCodegen<rustc_codegen_llvm[df64d086df4722b2]::ModuleLlvm>, u64)>), std[29c6a88b6662e21]::collections::hash::map::HashMap<usize, rustc_data_structures[f5ea9960b28d5ac8]::marker::IntoDynSyncSend<(rustc_codegen_ssa[2892d281a392f058]::ModuleCodegen<rustc_codegen_llvm[df64d086df4722b2]::ModuleLlvm>, u64)>, rustc_hash[3adad88820639947]::FxBuildHasher>, rustc_codegen_ssa[2892d281a392f058]::base::codegen_crate<rustc_codegen_llvm[df64d086df4722b2]::LlvmCodegenBackend>::{closure#5}::{closure#1}>::{closure#0}::{closure#1}>
[INFO] [stderr]   23:     0x7facdad68a13 - <rustc_thread_pool[72272462a318cfc]::job::StackJob<rustc_thread_pool[72272462a318cfc]::latch::SpinLatch, rustc_thread_pool[72272462a318cfc]::join::join_context<rustc_thread_pool[72272462a318cfc]::join::join::call<(), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_slice::par_rec<(core[9b0b45a2eca8b57e]::option::Option<(usize, &rustc_codegen_ssa[2892d281a392f058]::assert_module_sources::CguReuse)>, core[9b0b45a2eca8b57e]::option::Option<(usize, rustc_data_structures[f5ea9960b28d5ac8]::marker::IntoDynSyncSend<(rustc_codegen_ssa[2892d281a392f058]::ModuleCodegen<rustc_codegen_llvm[df64d086df4722b2]::ModuleLlvm>, u64)>)>), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_map<(usize, &rustc_codegen_ssa[2892d281a392f058]::assert_module_sources::CguReuse), alloc[5cd6b5aa3e7b39bf]::vec::Vec<(usize, &rustc_codegen_ssa[2892d281a392f058]::assert_module_sources::CguReuse)>, (usize, rustc_data_structures[f5ea9960b28d5ac8]::marker::IntoDynSyncSend<(rustc_codegen_ssa[2892d281a392f058]::ModuleCodegen<rustc_codegen_llvm[df64d086df4722b2]::ModuleLlvm>, u64)>), std[29c6a88b6662e21]::collections::hash::map::HashMap<usize, rustc_data_structures[f5ea9960b28d5ac8]::marker::IntoDynSyncSend<(rustc_codegen_ssa[2892d281a392f058]::ModuleCodegen<rustc_codegen_llvm[df64d086df4722b2]::ModuleLlvm>, u64)>, rustc_hash[3adad88820639947]::FxBuildHasher>, rustc_codegen_ssa[2892d281a392f058]::base::codegen_crate<rustc_codegen_llvm[df64d086df4722b2]::LlvmCodegenBackend>::{closure#5}::{closure#1}>::{closure#0}::{closure#1}>::{closure#1}>::{closure#0}, rustc_thread_pool[72272462a318cfc]::join::join::call<(), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_slice::par_rec<(core[9b0b45a2eca8b57e]::option::Option<(usize, &rustc_codegen_ssa[2892d281a392f058]::assert_module_sources::CguReuse)>, core[9b0b45a2eca8b57e]::option::Option<(usize, rustc_data_structures[f5ea9960b28d5ac8]::marker::IntoDynSyncSend<(rustc_codegen_ssa[2892d281a392f058]::ModuleCodegen<rustc_codegen_llvm[df64d086df4722b2]::ModuleLlvm>, u64)>)>), rustc_data_structures[f5ea9960b28d5ac8]::sync::parallel::par_map<(usize, &rustc_codegen_ssa[2892d281a392f058]::assert_module_sources::CguReuse), alloc[5cd6b5aa3e7b39bf]::vec::Vec<(usize, &rustc_codegen_ssa[2892d281a392f058]::assert_module_sources::CguReuse)>, (usize, rustc_data_structures[f5ea9960b28d5ac8]::marker::IntoDynSyncSend<(rustc_codegen_ssa[2892d281a392f058]::ModuleCodegen<rustc_codegen_llvm[df64d086df4722b2]::ModuleLlvm>, u64)>), std[29c6a88b6662e21]::collections::hash::map::HashMap<usize, rustc_data_structures[f5ea9960b28d5ac8]::marker::IntoDynSyncSend<(rustc_codegen_ssa[2892d281a392f058]::ModuleCodegen<rustc_codegen_llvm[df64d086df4722b2]::ModuleLlvm>, u64)>, rustc_hash[3adad88820639947]::FxBuildHasher>, rustc_codegen_ssa[2892d281a392f058]::base::codegen_crate<rustc_codegen_llvm[df64d086df4722b2]::LlvmCodegenBackend>::{closure#5}::{closure#1}>::{closure#0}::{closure#1}>::{closure#2}>::{closure#0}, (), ()>::{closure#0}::{closure#0}, ()> as rustc_thread_pool[72272462a318cfc]::job::Job>::execute
[INFO] [stderr]   24:     0x7facda7be4b0 - <rustc_thread_pool[72272462a318cfc]::registry::WorkerThread>::wait_or_steal_until_cold
[INFO] [stderr]   25:     0x7facda7bc385 - <rustc_thread_pool[72272462a318cfc]::registry::ThreadBuilder>::run
[INFO] [stderr]   26:     0x7facda7bc209 - std[29c6a88b6662e21]::sys::backtrace::__rust_begin_short_backtrace::<<rustc_thread_pool[72272462a318cfc]::ThreadPoolBuilder>::build_scoped<rustc_interface[2640f195ab92b52a]::util::run_in_thread_pool_with_globals<rustc_interface[2640f195ab92b52a]::interface::run_compiler<(), rustc_driver_impl[873efb856e3d8a2c]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#0}, rustc_interface[2640f195ab92b52a]::util::run_in_thread_pool_with_globals<rustc_interface[2640f195ab92b52a]::interface::run_compiler<(), rustc_driver_impl[873efb856e3d8a2c]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#1}, ()>::{closure#0}::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   27:     0x7facda7bbda8 - <<std[29c6a88b6662e21]::thread::Builder>::spawn_unchecked_<<rustc_thread_pool[72272462a318cfc]::ThreadPoolBuilder>::build_scoped<rustc_interface[2640f195ab92b52a]::util::run_in_thread_pool_with_globals<rustc_interface[2640f195ab92b52a]::interface::run_compiler<(), rustc_driver_impl[873efb856e3d8a2c]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#0}, rustc_interface[2640f195ab92b52a]::util::run_in_thread_pool_with_globals<rustc_interface[2640f195ab92b52a]::interface::run_compiler<(), rustc_driver_impl[873efb856e3d8a2c]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#5}::{closure#0}::{closure#1}, ()>::{closure#0}::{closure#0}::{closure#0}, ()>::{closure#1} as core[9b0b45a2eca8b57e]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   28:     0x7facda7b92f1 - std::sys::thread::unix::Thread::new::thread_start::h087ab7313a6c604a
[INFO] [stderr]   29:     0x7facd468aaa4 - <unknown>
[INFO] [stderr]   30:     0x7facd4717a34 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] note: using internal features is not supported and expected to cause internal compiler errors when used incorrectly
[INFO] [stderr] 
[INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2025-09-29T23_14_10-25.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.92.0-nightly (4987e9d42 2025-09-28) 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 `wonderbox` (lib test); 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name wonderbox --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=3b06f32066917230 -C extra-filename=-d4fbc0727ec83a4d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "6e92f5e635b37729e69d6aabafac5dcd156dc14b19e75749652f250ab4a251c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e92f5e635b37729e69d6aabafac5dcd156dc14b19e75749652f250ab4a251c5", kill_on_drop: false }`
[INFO] [stdout] 6e92f5e635b37729e69d6aabafac5dcd156dc14b19e75749652f250ab4a251c5