[INFO] fetching crate papito_codegen 0.1.1... [INFO] testing papito_codegen-0.1.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate papito_codegen 0.1.1 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate papito_codegen 0.1.1 [INFO] finished tweaking crates.io crate papito_codegen 0.1.1 [INFO] tweaked toml for crates.io crate papito_codegen 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate papito_codegen 0.1.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 42 packages to latest compatible versions [INFO] [stderr] Adding heck v0.3.3 (available: v0.5.0) [INFO] [stderr] Adding proc-macro2 v0.2.3 (available: v1.0.106) [INFO] [stderr] Adding quote v0.4.2 (available: v1.0.45) [INFO] [stderr] Adding syn v0.12.15 (available: v2.0.117) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55bf0afb3a0561f42ef5780ba829455954b66d31ba5d3d3391122424be800442 [INFO] running `Command { std: "docker" "start" "-a" "55bf0afb3a0561f42ef5780ba829455954b66d31ba5d3d3391122424be800442", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55bf0afb3a0561f42ef5780ba829455954b66d31ba5d3d3391122424be800442", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55bf0afb3a0561f42ef5780ba829455954b66d31ba5d3d3391122424be800442", kill_on_drop: false }` [INFO] [stdout] 55bf0afb3a0561f42ef5780ba829455954b66d31ba5d3d3391122424be800442 [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d238467e7975a22583aa978e1f6dace358f3f475b61340e8c4dd78f7f3cf0b6e [INFO] running `Command { std: "docker" "start" "-a" "d238467e7975a22583aa978e1f6dace358f3f475b61340e8c4dd78f7f3cf0b6e", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.13.2 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling papito_codegen v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(proc_macro)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.93s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.12.15 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "d238467e7975a22583aa978e1f6dace358f3f475b61340e8c4dd78f7f3cf0b6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d238467e7975a22583aa978e1f6dace358f3f475b61340e8c4dd78f7f3cf0b6e", kill_on_drop: false }` [INFO] [stdout] d238467e7975a22583aa978e1f6dace358f3f475b61340e8c4dd78f7f3cf0b6e [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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 856c673702ded057bd6e9cc9ff758c10982ce8cdce49e9e31008f1ec85ac48d9 [INFO] running `Command { std: "docker" "start" "-a" "856c673702ded057bd6e9cc9ff758c10982ce8cdce49e9e31008f1ec85ac48d9", kill_on_drop: false }` [INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024` [INFO] [stderr] Compiling proc-macro2 v1.0.106 [INFO] [stderr] Compiling quote v1.0.45 [INFO] [stderr] Compiling unicode-ident v1.0.24 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling zmij v1.0.21 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling itoa v1.0.18 [INFO] [stderr] Compiling sha1_smol v1.0.1 [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.5 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling sha1 v0.6.1 [INFO] [stderr] Compiling stdweb v0.4.20 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling base-x v0.2.11 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling discard v1.0.4 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling unicode-segmentation v1.13.2 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling papito_codegen v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(proc_macro)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [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] [INFO] [stdout] error: internal compiler error: /rustc-dev/dec9417b8611e34e787a3e4c37686b5131f9e5c5/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] --> /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] thread 'rustc' (634) panicked at /rustc-dev/dec9417b8611e34e787a3e4c37686b5131f9e5c5/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:125:21: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x76e3a739535b - <::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt [INFO] [stderr] 1: 0x76e3a7a2f248 - core[6aaeda2c7ad07a48]::fmt::write [INFO] [stderr] 2: 0x76e3a73ac366 - ::write_fmt [INFO] [stderr] 3: 0x76e3a736b368 - std[e72de78501789eb0]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x76e3a7388763 - std[e72de78501789eb0]::panicking::default_hook [INFO] [stderr] 5: 0x76e3a638566c - std[e72de78501789eb0]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x76e3a7388a42 - std[e72de78501789eb0]::panicking::panic_with_hook [INFO] [stderr] 7: 0x76e3a63b4cf1 - std[e72de78501789eb0]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 8: 0x76e3a63ad9d6 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 9: 0x76e3a63ad73b - std[e72de78501789eb0]::panicking::begin_panic:: [INFO] [stderr] 10: 0x76e3a63c0361 - ::emit_producing_guarantee [INFO] [stderr] 11: 0x76e3a6977d2c - ::span_bug:: [INFO] [stderr] 12: 0x76e3a699f8b6 - rustc_middle[ff930705cf6dddea]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 13: 0x76e3a699fa62 - rustc_middle[ff930705cf6dddea]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 14: 0x76e3a699053b - rustc_middle[ff930705cf6dddea]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 15: 0x76e3a42aa558 - rustc_middle[ff930705cf6dddea]::util::bug::span_bug_fmt:: [INFO] [stderr] 16: 0x76e3a8ba35c1 - >>::codegen_intrinsic_call [INFO] [stderr] 17: 0x76e3a8e3e659 - rustc_codegen_ssa[68f765257a4d07e0]::mir::codegen_mir::> [INFO] [stderr] 18: 0x76e3a7bce90b - rustc_codegen_llvm[c00be91cbe6075b0]::base::compile_codegen_unit::module_codegen [INFO] [stderr] 19: 0x76e3a8d61484 - ::compile_codegen_unit [INFO] [stderr] 20: 0x76e3a8d5d059 - rustc_codegen_ssa[68f765257a4d07e0]::base::codegen_crate:: [INFO] [stderr] 21: 0x76e3a8d5b125 - ::codegen_crate [INFO] [stderr] 22: 0x76e3a8d0693a - ::codegen_and_build_linker [INFO] [stderr] 23: 0x76e3a8d014cd - rustc_interface[8fb07a87386d2e99]::interface::run_compiler::<(), rustc_driver_impl[1568c1d64401f343]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 24: 0x76e3a8c1e87e - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 25: 0x76e3a8c1f120 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 26: 0x76e3a8c1ffac - ::new::thread_start [INFO] [stderr] 27: 0x76e3a268aaa4 - [INFO] [stderr] 28: 0x76e3a2717a64 - clone [INFO] [stderr] 29: 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-2026-04-19T22_10_31-632.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.96.0-nightly (dec9417b8 2026-03-22) 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] Compiling papito v0.1.1 [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/dec9417b8611e34e787a3e4c37686b5131f9e5c5/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=22dd65b8f83c9fd9 -C extra-filename=-5672828338ca5f86 --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-c09ed92e1bb1a730.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-9a021ef7d2829b51.rmeta --extern stdweb_derive=/opt/rustwide/target/debug/deps/libstdweb_derive-c3661eb6f38d81d0.so --extern stdweb_internal_macros=/opt/rustwide/target/debug/deps/libstdweb_internal_macros-6fd86215f52904f2.so --extern stdweb_internal_runtime=/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-58efda4ad4253aec.rmeta --cap-lints allow --cap-lints=forbid --cfg rust_nightly` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "856c673702ded057bd6e9cc9ff758c10982ce8cdce49e9e31008f1ec85ac48d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "856c673702ded057bd6e9cc9ff758c10982ce8cdce49e9e31008f1ec85ac48d9", kill_on_drop: false }` [INFO] [stdout] 856c673702ded057bd6e9cc9ff758c10982ce8cdce49e9e31008f1ec85ac48d9