[INFO] fetching crate papito 0.1.1... [INFO] testing papito-0.1.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate papito 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate papito 0.1.1 [INFO] finished tweaking crates.io crate papito 0.1.1 [INFO] tweaked toml for crates.io crate papito 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate papito 0.1.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 35 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b1cd7f019a94330e6b7fa723c3b0881ec9718b2ae7f4f1f04936445d8df160a4 [INFO] running `Command { std: "docker" "start" "-a" "b1cd7f019a94330e6b7fa723c3b0881ec9718b2ae7f4f1f04936445d8df160a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1cd7f019a94330e6b7fa723c3b0881ec9718b2ae7f4f1f04936445d8df160a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1cd7f019a94330e6b7fa723c3b0881ec9718b2ae7f4f1f04936445d8df160a4", kill_on_drop: false }` [INFO] [stdout] b1cd7f019a94330e6b7fa723c3b0881ec9718b2ae7f4f1f04936445d8df160a4 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eeffabcc179d5b3f95b15d29b3d7b2fc333fff41b6d60589f1a782165934f608 [INFO] running `Command { std: "docker" "start" "-a" "eeffabcc179d5b3f95b15d29b3d7b2fc333fff41b6d60589f1a782165934f608", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.5 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling sha1_smol v1.0.1 [INFO] [stderr] Compiling base-x v0.2.11 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling discard v1.0.4 [INFO] [stderr] Compiling syn v2.0.110 [INFO] [stderr] Compiling sha1 v0.6.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling stdweb v0.4.20 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling stdweb-internal-macros v0.2.9 [INFO] [stderr] Compiling stdweb-derive v0.5.3 [INFO] [stderr] Compiling papito_dom v0.1.1 [INFO] [stderr] Compiling papito v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::ops::Deref` [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::ops::Deref; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `vdom` is never read [INFO] [stdout] --> src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub struct App { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 19 | vdom: VNode, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: internal compiler error: /rustc-dev/c2e32f1c9652b13ed99608599c1e855462f421f3/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:124:21: 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] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.20/src/webcore/type_name.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | intrinsics::type_name::< T >() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (539) panicked at /rustc-dev/c2e32f1c9652b13ed99608599c1e855462f421f3/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:124:21: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fc9efc5dff3 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stderr] 1: 0x7fc9f0401afc - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stderr] 2: 0x7fc9efc12c73 - std::io::Write::write_fmt::hec441b8c6eca32b9 [INFO] [stderr] 3: 0x7fc9efc24172 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stderr] 4: 0x7fc9efc2a1c9 - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stderr] 5: 0x7fc9efc29cf3 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stderr] 6: 0x7fc9eec1efb1 - std[7852ca75000e74fc]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x7fc9efc2a5ef - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stderr] 8: 0x7fc9eec5b491 - std[7852ca75000e74fc]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x7fc9eec4da66 - std[7852ca75000e74fc]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x7fc9eec4d737 - std[7852ca75000e74fc]::panicking::begin_panic:: [INFO] [stderr] 11: 0x7fc9eec79b01 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x7fc9ef1dd9dc - ::span_bug:: [INFO] [stderr] 13: 0x7fc9ef200f57 - rustc_middle[7d63fbd2f8df8a1e]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x7fc9ef20125a - rustc_middle[7d63fbd2f8df8a1e]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x7fc9ef1f205b - rustc_middle[7d63fbd2f8df8a1e]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x7fc9ed5513f7 - rustc_middle[7d63fbd2f8df8a1e]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x7fc9f13ab742 - >>::codegen_intrinsic_call [INFO] [stderr] 18: 0x7fc9f17d0fe3 - rustc_codegen_ssa[d80446a42ee51f0a]::mir::codegen_mir::> [INFO] [stderr] 19: 0x7fc9f07800fd - rustc_codegen_llvm[b09b22370c894c96]::base::compile_codegen_unit::module_codegen [INFO] [stderr] 20: 0x7fc9f15a375f - ::compile_codegen_unit [INFO] [stderr] 21: 0x7fc9f159f19b - rustc_codegen_ssa[d80446a42ee51f0a]::base::codegen_crate:: [INFO] [stderr] 22: 0x7fc9f159d733 - ::codegen_crate [INFO] [stderr] 23: 0x7fc9f171fe8d - ::codegen_and_build_linker [INFO] [stderr] 24: 0x7fc9f171ca54 - , rustc_driver_impl[bce797706e17a736]::run_compiler::{closure#0}::{closure#2}>::{closure#2} as core[38c16e7222b5e709]::ops::function::FnOnce<(&rustc_session[55873362b0df2cab]::session::Session, rustc_middle[7d63fbd2f8df8a1e]::ty::context::CurrentGcx, alloc[b801fe7dcb3666a3]::sync::Arc, &std[7852ca75000e74fc]::sync::once_lock::OnceLock, &rustc_data_structures[94650649e502e822]::sync::worker_local::WorkerLocal, &rustc_data_structures[94650649e502e822]::sync::worker_local::WorkerLocal, rustc_driver_impl[bce797706e17a736]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0} [INFO] [stderr] 25: 0x7fc9f155b4a9 - rustc_interface[cd445e32cdfe4b97]::interface::run_compiler::<(), rustc_driver_impl[bce797706e17a736]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 26: 0x7fc9f1222b7c - std[7852ca75000e74fc]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 27: 0x7fc9f1222860 - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[38c16e7222b5e709]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 28: 0x7fc9f1227aaf - std::sys::thread::unix::Thread::new::thread_start::h7f3e77fa86df70af [INFO] [stderr] 29: 0x7fc9eae8aaa4 - [INFO] [stderr] 30: 0x7fc9eaf17a64 - clone [INFO] [stderr] 31: 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/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.20/rustc-ice-2025-11-13T21_18_15-537.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.93.0-nightly (c2e32f1c9 2025-11-07) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -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 `stdweb` (lib); 4712 warnings emitted [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/c2e32f1c9652b13ed99608599c1e855462f421f3/bin/rustc --crate-name stdweb --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/stdweb-0.4.20/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="serde"' --cfg 'feature="serde_json"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "docs-rs", "experimental_features_which_may_break_on_minor_version_bumps", "futures-channel-preview", "futures-core-preview", "futures-executor-preview", "futures-support", "futures-util-preview", "nightly", "serde", "serde_json", "web_test"))' -C metadata=c77d2c1646374e95 -C extra-filename=-45739b55b0968d40 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern discard=/opt/rustwide/target/debug/deps/libdiscard-11fc78d17c12a98b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-37646bd4e49bfacd.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-f8dd111aa1eebc08.rmeta --extern stdweb_derive=/opt/rustwide/target/debug/deps/libstdweb_derive-64853a5e5b7d283a.so --extern stdweb_internal_macros=/opt/rustwide/target/debug/deps/libstdweb_internal_macros-0b3414d1f5650588.so --extern stdweb_internal_runtime=/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-05009161a230db30.rmeta --cap-lints allow --cap-lints=forbid --cfg rust_nightly` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "eeffabcc179d5b3f95b15d29b3d7b2fc333fff41b6d60589f1a782165934f608", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eeffabcc179d5b3f95b15d29b3d7b2fc333fff41b6d60589f1a782165934f608", kill_on_drop: false }` [INFO] [stdout] eeffabcc179d5b3f95b15d29b3d7b2fc333fff41b6d60589f1a782165934f608