[INFO] fetching crate wonderbox 0.5.0...
[INFO] testing wonderbox-0.5.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate wonderbox 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate wonderbox 0.5.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ace10c2a5c89d908940c842ad56f17af74a166e26ceefc1d944970ccef7be27f
[INFO] running `Command { std: "docker" "start" "-a" "ace10c2a5c89d908940c842ad56f17af74a166e26ceefc1d944970ccef7be27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ace10c2a5c89d908940c842ad56f17af74a166e26ceefc1d944970ccef7be27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace10c2a5c89d908940c842ad56f17af74a166e26ceefc1d944970ccef7be27f", kill_on_drop: false }`
[INFO] [stdout] ace10c2a5c89d908940c842ad56f17af74a166e26ceefc1d944970ccef7be27f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b8845ee4f2fcfcde2b76a092d7365c92049c39bd4db9c613a3a510cc8f04848
[INFO] running `Command { std: "docker" "start" "-a" "2b8845ee4f2fcfcde2b76a092d7365c92049c39bd4db9c613a3a510cc8f04848", 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 0.17s
[INFO] running `Command { std: "docker" "inspect" "2b8845ee4f2fcfcde2b76a092d7365c92049c39bd4db9c613a3a510cc8f04848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8845ee4f2fcfcde2b76a092d7365c92049c39bd4db9c613a3a510cc8f04848", kill_on_drop: false }`
[INFO] [stdout] 2b8845ee4f2fcfcde2b76a092d7365c92049c39bd4db9c613a3a510cc8f04848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f2c44b2e18c7adbfe3c0622ba58770d017ac5ba408a608ea30546f7f156b467
[INFO] running `Command { std: "docker" "start" "-a" "1f2c44b2e18c7adbfe3c0622ba58770d017ac5ba408a608ea30546f7f156b467", 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/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/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/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:125:21:
[INFO] [stderr] Box<dyn Any>
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x74d97bd26dcb - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x74d97c42f1c8 - core[786f478f706679df]::fmt::write
[INFO] [stderr]    2:     0x74d97bd3ddd6 - <std[f92b4c606f291077]::sys::stdio::unix::Stderr as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x74d97bcfce08 - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x74d97bd1a1d3 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stderr]    5:     0x74d97ad1e0bc - std[f92b4c606f291077]::panicking::update_hook::<alloc[64763625b5a07cdb]::boxed::Box<rustc_driver_impl[dd146e1c86fe9c2a]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x74d97bd1a4b2 - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x74d97ad4d741 - std[f92b4c606f291077]::panicking::begin_panic::<rustc_errors[5aeff7798fb65382]::ExplicitBug>::{closure#0}
[INFO] [stderr]    8:     0x74d97ad46426 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::begin_panic<rustc_errors[5aeff7798fb65382]::ExplicitBug>::{closure#0}, !>
[INFO] [stderr]    9:     0x74d97ad4618b - std[f92b4c606f291077]::panicking::begin_panic::<rustc_errors[5aeff7798fb65382]::ExplicitBug>
[INFO] [stderr]   10:     0x74d97ad58db1 - <rustc_errors[5aeff7798fb65382]::diagnostic::BugAbort as rustc_errors[5aeff7798fb65382]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
[INFO] [stderr]   11:     0x74d97b30f3ac - <rustc_errors[5aeff7798fb65382]::DiagCtxtHandle>::span_bug::<rustc_span[6852aeac55da1279]::span_encoding::Span, alloc[64763625b5a07cdb]::string::String>
[INFO] [stderr]   12:     0x74d97b336ca6 - rustc_middle[9da1fcba01c2e50a]::util::bug::opt_span_bug_fmt::<rustc_span[6852aeac55da1279]::span_encoding::Span>::{closure#0}
[INFO] [stderr]   13:     0x74d97b336e52 - rustc_middle[9da1fcba01c2e50a]::ty::context::tls::with_opt::<rustc_middle[9da1fcba01c2e50a]::util::bug::opt_span_bug_fmt<rustc_span[6852aeac55da1279]::span_encoding::Span>::{closure#0}, !>::{closure#0}
[INFO] [stderr]   14:     0x74d97b32792b - rustc_middle[9da1fcba01c2e50a]::ty::context::tls::with_context_opt::<rustc_middle[9da1fcba01c2e50a]::ty::context::tls::with_opt<rustc_middle[9da1fcba01c2e50a]::util::bug::opt_span_bug_fmt<rustc_span[6852aeac55da1279]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
[INFO] [stderr]   15:     0x74d9795d8c68 - rustc_middle[9da1fcba01c2e50a]::util::bug::span_bug_fmt::<rustc_span[6852aeac55da1279]::span_encoding::Span>
[INFO] [stderr]   16:     0x74d97d53bced - <rustc_codegen_ssa[d9cd0b48283ddb6e]::mir::FunctionCx<rustc_codegen_llvm[76d5e3b81455d342]::builder::GenericBuilder<rustc_codegen_llvm[76d5e3b81455d342]::context::FullCx>>>::codegen_intrinsic_call
[INFO] [stderr]   17:     0x74d97d855014 - rustc_codegen_ssa[d9cd0b48283ddb6e]::mir::codegen_mir::<rustc_codegen_llvm[76d5e3b81455d342]::builder::GenericBuilder<rustc_codegen_llvm[76d5e3b81455d342]::context::FullCx>>
[INFO] [stderr]   18:     0x74d97c58a3ca - rustc_codegen_llvm[76d5e3b81455d342]::base::compile_codegen_unit::module_codegen
[INFO] [stderr]   19:     0x74d97d737b04 - <rustc_codegen_llvm[76d5e3b81455d342]::LlvmCodegenBackend as rustc_codegen_ssa[d9cd0b48283ddb6e]::traits::backend::ExtraBackendMethods>::compile_codegen_unit
[INFO] [stderr]   20:     0x74d97d7337af - rustc_codegen_ssa[d9cd0b48283ddb6e]::base::codegen_crate::<rustc_codegen_llvm[76d5e3b81455d342]::LlvmCodegenBackend>
[INFO] [stderr]   21:     0x74d97d73188d - <rustc_codegen_llvm[76d5e3b81455d342]::LlvmCodegenBackend as rustc_codegen_ssa[d9cd0b48283ddb6e]::traits::backend::CodegenBackend>::codegen_crate
[INFO] [stderr]   22:     0x74d97d62a87a - <rustc_interface[13b2c4b636310a2c]::queries::Linker>::codegen_and_build_linker
[INFO] [stderr]   23:     0x74d97d6253cd - rustc_interface[13b2c4b636310a2c]::interface::run_compiler::<(), rustc_driver_impl[dd146e1c86fe9c2a]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   24:     0x74d97d60943e - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[13b2c4b636310a2c]::util::run_in_thread_with_globals<rustc_interface[13b2c4b636310a2c]::util::run_in_thread_pool_with_globals<rustc_interface[13b2c4b636310a2c]::interface::run_compiler<(), rustc_driver_impl[dd146e1c86fe9c2a]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   25:     0x74d97d609ce0 - <std[f92b4c606f291077]::thread::lifecycle::spawn_unchecked<rustc_interface[13b2c4b636310a2c]::util::run_in_thread_with_globals<rustc_interface[13b2c4b636310a2c]::util::run_in_thread_pool_with_globals<rustc_interface[13b2c4b636310a2c]::interface::run_compiler<(), rustc_driver_impl[dd146e1c86fe9c2a]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   26:     0x74d97d60ab6c - <std[f92b4c606f291077]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   27:     0x74d97708aaa4 - <unknown>
[INFO] [stderr]   28:     0x74d977117a64 - 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_35-17.txt`: Read-only file system (os error 30)
[INFO] [stderr] 
[INFO] [stderr] note: rustc 1.96.0-nightly (1f7f8ea07 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/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/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" "1f2c44b2e18c7adbfe3c0622ba58770d017ac5ba408a608ea30546f7f156b467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2c44b2e18c7adbfe3c0622ba58770d017ac5ba408a608ea30546f7f156b467", kill_on_drop: false }`
[INFO] [stdout] 1f2c44b2e18c7adbfe3c0622ba58770d017ac5ba408a608ea30546f7f156b467
