[INFO] fetching crate wonderbox 0.5.0... [INFO] testing wonderbox-0.5.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate wonderbox 0.5.0 into /workspace/builds/worker-5-tc2/source [INFO] removed /workspace/builds/worker-5-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-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wonderbox 0.5.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fb5d69b538078bdf68c69637b429103a105a89fa32ce6b8ae66815ea6c8dc328 [INFO] running `Command { std: "docker" "start" "-a" "fb5d69b538078bdf68c69637b429103a105a89fa32ce6b8ae66815ea6c8dc328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fb5d69b538078bdf68c69637b429103a105a89fa32ce6b8ae66815ea6c8dc328", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb5d69b538078bdf68c69637b429103a105a89fa32ce6b8ae66815ea6c8dc328", kill_on_drop: false }` [INFO] [stdout] fb5d69b538078bdf68c69637b429103a105a89fa32ce6b8ae66815ea6c8dc328 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c982fbd218b0be893edcd11cf29ed804c8700bbf8cfde513ecdb7b3bfc06111b [INFO] running `Command { std: "docker" "start" "-a" "c982fbd218b0be893edcd11cf29ed804c8700bbf8cfde513ecdb7b3bfc06111b", 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::() } [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 0.34s [INFO] running `Command { std: "docker" "inspect" "c982fbd218b0be893edcd11cf29ed804c8700bbf8cfde513ecdb7b3bfc06111b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c982fbd218b0be893edcd11cf29ed804c8700bbf8cfde513ecdb7b3bfc06111b", kill_on_drop: false }` [INFO] [stdout] c982fbd218b0be893edcd11cf29ed804c8700bbf8cfde513ecdb7b3bfc06111b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a358fc0ab6769d813941f6e9dfe85059c59e703fbbaf086c2b5a51db52ed04d2 [INFO] running `Command { std: "docker" "start" "-a" "a358fc0ab6769d813941f6e9dfe85059c59e703fbbaf086c2b5a51db52ed04d2", kill_on_drop: false }` [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::() } [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] 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::() } [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/b83b707f97d809763b7861afa7638871f3339a33/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::() } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (28) panicked at /rustc-dev/b83b707f97d809763b7861afa7638871f3339a33/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:123:21: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7cdf5ee69fe3 - ::fmt::hffd20ad4e5eca8ab [INFO] [stderr] 1: 0x7cdf5f601998 - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stderr] 2: 0x7cdf5ee1f043 - std::io::Write::write_fmt::h22459ad26fe60c51 [INFO] [stderr] 3: 0x7cdf5ee30082 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stderr] 4: 0x7cdf5ee35f29 - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stderr] 5: 0x7cdf5ee35a53 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stderr] 6: 0x7cdf5de8cbb5 - std[873cba99d9e73db4]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7cdf5ee363de - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stderr] 8: 0x7cdf5dec9451 - std[873cba99d9e73db4]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x7cdf5debd736 - std[873cba99d9e73db4]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x7cdf5debccc7 - std[873cba99d9e73db4]::panicking::begin_panic:: [INFO] [stderr] 11: 0x7cdf5ded4b91 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x7cdf5e45b1ac - ::span_bug:: [INFO] [stderr] 13: 0x7cdf5e481147 - rustc_middle[bfbecec5fbf20b13]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x7cdf5e48132a - rustc_middle[bfbecec5fbf20b13]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x7cdf5e46fe5b - rustc_middle[bfbecec5fbf20b13]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x7cdf5c50fc47 - rustc_middle[bfbecec5fbf20b13]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x7cdf605f3939 - >>::codegen_intrinsic_call [INFO] [stderr] 18: 0x7cdf60a3c312 - rustc_codegen_ssa[e3ea0fdec5f9adb8]::mir::codegen_mir::> [INFO] [stderr] 19: 0x7cdf5fa4ff0c - rustc_codegen_llvm[35b3c5c889a2edc0]::base::compile_codegen_unit::module_codegen [INFO] [stderr] 20: 0x7cdf60772f1a - ::compile_codegen_unit [INFO] [stderr] 21: 0x7cdf60770e03 - ::codegen_crate [INFO] [stderr] 22: 0x7cdf60ab2d30 - ::codegen_and_build_linker [INFO] [stderr] 23: 0x7cdf60ab08bc - rustc_interface[1e61e9ba1f0bb161]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[40330fda428a6899]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 24: 0x7cdf60870de2 - rustc_interface[1e61e9ba1f0bb161]::interface::run_compiler::<(), rustc_driver_impl[40330fda428a6899]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 25: 0x7cdf60751938 - std[873cba99d9e73db4]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 26: 0x7cdf6075161c - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[5002542780a992fa]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 27: 0x7cdf6075774d - std::sys::pal::unix::thread::Thread::new::thread_start::h29c84e109630689a [INFO] [stderr] 28: 0x7cdf5a08aaa4 - [INFO] [stderr] 29: 0x7cdf5a117a34 - clone [INFO] [stderr] 30: 0x0 - [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-2025-09-01T13_03_52-26.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.91.0-nightly (b83b707f9 2025-08-28) 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/b83b707f97d809763b7861afa7638871f3339a33/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" "a358fc0ab6769d813941f6e9dfe85059c59e703fbbaf086c2b5a51db52ed04d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a358fc0ab6769d813941f6e9dfe85059c59e703fbbaf086c2b5a51db52ed04d2", kill_on_drop: false }` [INFO] [stdout] a358fc0ab6769d813941f6e9dfe85059c59e703fbbaf086c2b5a51db52ed04d2