[INFO] fetching crate wonderbox 0.5.0...
[INFO] testing wonderbox-0.5.0 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate wonderbox 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] removed /workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wonderbox 0.5.0 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbe43f0ef7f3bbc8ff46c6cf4fe831ee8a826caea7059c9810662a8352267ff7
[INFO] running `Command { std: "docker" "start" "-a" "cbe43f0ef7f3bbc8ff46c6cf4fe831ee8a826caea7059c9810662a8352267ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbe43f0ef7f3bbc8ff46c6cf4fe831ee8a826caea7059c9810662a8352267ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe43f0ef7f3bbc8ff46c6cf4fe831ee8a826caea7059c9810662a8352267ff7", kill_on_drop: false }`
[INFO] [stdout] cbe43f0ef7f3bbc8ff46c6cf4fe831ee8a826caea7059c9810662a8352267ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9fcf434680af25e06e17f75ee464f7455a4460f6d1936733699af15dfcce06bd
[INFO] running `Command { std: "docker" "start" "-a" "9fcf434680af25e06e17f75ee464f7455a4460f6d1936733699af15dfcce06bd", 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 0.15s
[INFO] running `Command { std: "docker" "inspect" "9fcf434680af25e06e17f75ee464f7455a4460f6d1936733699af15dfcce06bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fcf434680af25e06e17f75ee464f7455a4460f6d1936733699af15dfcce06bd", kill_on_drop: false }`
[INFO] [stdout] 9fcf434680af25e06e17f75ee464f7455a4460f6d1936733699af15dfcce06bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a19f97afcc27ab4e58fb64f1cfbd7e5e8c4524f79f5b6c116980814ed3d380f
[INFO] running `Command { std: "docker" "start" "-a" "6a19f97afcc27ab4e58fb64f1cfbd7e5e8c4524f79f5b6c116980814ed3d380f", 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/0abe69e6c16114311cc2700e972492e64d69c28f/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:125:21: Nullary intrinsic type_name must be called in a const block. If you are seeing this message from code outside the standard library, the unstable implementation details of the relevant intrinsic may have changed. Consider using stable APIs instead. If you are adding a new nullary intrinsic that is inherently a runtime intrinsic, update this check.
[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' (19) panicked at /rustc-dev/0abe69e6c16114311cc2700e972492e64d69c28f/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:125:21:
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7da1471287eb - <<std[ec4e911328de40a6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[a96a4c5c53f902a3]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x7da14782e108 - core[a96a4c5c53f902a3]::fmt::write
[INFO] [stderr]    2:     0x7da14713f7f6 - <std[ec4e911328de40a6]::sys::stdio::unix::Stderr as std[ec4e911328de40a6]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x7da1470fe828 - std[ec4e911328de40a6]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x7da14711bbf3 - std[ec4e911328de40a6]::panicking::default_hook
[INFO] [stderr]    5:     0x7da14611fd7c - std[ec4e911328de40a6]::panicking::update_hook::<alloc[c960326de6de28e6]::boxed::Box<rustc_driver_impl[a3f96c1e6c595ee]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x7da14711bed2 - std[ec4e911328de40a6]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x7da14614f401 - std[ec4e911328de40a6]::panicking::begin_panic::<rustc_errors[46eb84fdfd1c7991]::ExplicitBug>::{closure#0}
[INFO] [stderr]    8:     0x7da1461480e6 - std[ec4e911328de40a6]::sys::backtrace::__rust_end_short_backtrace::<std[ec4e911328de40a6]::panicking::begin_panic<rustc_errors[46eb84fdfd1c7991]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]    9:     0x7da146147e4b - std[ec4e911328de40a6]::panicking::begin_panic::<rustc_errors[46eb84fdfd1c7991]::ExplicitBug>
[INFO] [stderr]   10:     0x7da14615aa71 - <rustc_errors[46eb84fdfd1c7991]::diagnostic::BugAbort as rustc_errors[46eb84fdfd1c7991]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   11:     0x7da14671102c - <rustc_errors[46eb84fdfd1c7991]::DiagCtxtHandle>::span_bug::<rustc_span[b71568772c07376c]::span_encoding::Span, alloc[c960326de6de28e6]::string::String>
[INFO] [stderr]   12:     0x7da146738946 - rustc_middle[2f46e1addda5eb55]::util::bug::opt_span_bug_fmt::<rustc_span[b71568772c07376c]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x7da146738af2 - rustc_middle[2f46e1addda5eb55]::ty::context::tls::with_opt::<rustc_middle[2f46e1addda5eb55]::util::bug::opt_span_bug_fmt<rustc_span[b71568772c07376c]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x7da1467290cb - rustc_middle[2f46e1addda5eb55]::ty::context::tls::with_context_opt::<rustc_middle[2f46e1addda5eb55]::ty::context::tls::with_opt<rustc_middle[2f46e1addda5eb55]::util::bug::opt_span_bug_fmt<rustc_span[b71568772c07376c]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x7da1449cead8 - rustc_middle[2f46e1addda5eb55]::util::bug::span_bug_fmt::<rustc_span[b71568772c07376c]::span_encoding::Span>
[INFO] [stderr]   16:     0x7da1489838ed - <rustc_codegen_ssa[3b8cbc5823a9d857]::mir::FunctionCx<rustc_codegen_llvm[cd9b8cfac979b1e4]::builder::GenericBuilder<rustc_codegen_llvm[cd9b8cfac979b1e4]::context::FullCx>>>::codegen_intrinsic_call
[INFO] [stderr]   17:     0x7da148c93092 - rustc_codegen_ssa[3b8cbc5823a9d857]::mir::codegen_mir::<rustc_codegen_llvm[cd9b8cfac979b1e4]::builder::GenericBuilder<rustc_codegen_llvm[cd9b8cfac979b1e4]::context::FullCx>>
[INFO] [stderr]   18:     0x7da14795a80a - rustc_codegen_llvm[cd9b8cfac979b1e4]::base::compile_codegen_unit::module_codegen
[INFO] [stderr]   19:     0x7da148b820c4 - <rustc_codegen_llvm[cd9b8cfac979b1e4]::LlvmCodegenBackend as rustc_codegen_ssa[3b8cbc5823a9d857]::traits::backend::ExtraBackendMethods>::compile_codegen_unit
[INFO] [stderr]   20:     0x7da148b7dd6f - rustc_codegen_ssa[3b8cbc5823a9d857]::base::codegen_crate::<rustc_codegen_llvm[cd9b8cfac979b1e4]::LlvmCodegenBackend>
[INFO] [stderr]   21:     0x7da148b7be4d - <rustc_codegen_llvm[cd9b8cfac979b1e4]::LlvmCodegenBackend as rustc_codegen_ssa[3b8cbc5823a9d857]::traits::backend::CodegenBackend>::codegen_crate
[INFO] [stderr]   22:     0x7da148a1edba - <rustc_interface[e6280c80c8a72297]::queries::Linker>::codegen_and_build_linker
[INFO] [stderr]   23:     0x7da148a1990d - rustc_interface[e6280c80c8a72297]::interface::run_compiler::<(), rustc_driver_impl[a3f96c1e6c595ee]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   24:     0x7da148a41e3e - std[ec4e911328de40a6]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[e6280c80c8a72297]::util::run_in_thread_with_globals<rustc_interface[e6280c80c8a72297]::util::run_in_thread_pool_with_globals<rustc_interface[e6280c80c8a72297]::interface::run_compiler<(), rustc_driver_impl[a3f96c1e6c595ee]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   25:     0x7da148a426e0 - <std[ec4e911328de40a6]::thread::lifecycle::spawn_unchecked<rustc_interface[e6280c80c8a72297]::util::run_in_thread_with_globals<rustc_interface[e6280c80c8a72297]::util::run_in_thread_pool_with_globals<rustc_interface[e6280c80c8a72297]::interface::run_compiler<(), rustc_driver_impl[a3f96c1e6c595ee]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[a96a4c5c53f902a3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   26:     0x7da148a4356c - <std[ec4e911328de40a6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   27:     0x7da142485aa4 - <unknown>
[INFO] [stderr]   28:     0x7da142512a64 - clone
[INFO] [stderr]   29:                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-2026-03-30T09_25_37-17.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.96.0-nightly (0abe69e6c 2026-03-19) 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/0abe69e6c16114311cc2700e972492e64d69c28f/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" "6a19f97afcc27ab4e58fb64f1cfbd7e5e8c4524f79f5b6c116980814ed3d380f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a19f97afcc27ab4e58fb64f1cfbd7e5e8c4524f79f5b6c116980814ed3d380f", kill_on_drop: false }`
[INFO] [stdout] 6a19f97afcc27ab4e58fb64f1cfbd7e5e8c4524f79f5b6c116980814ed3d380f
