[INFO] fetching crate re_set-lib 5.2.5... [INFO] checking re_set-lib-5.2.5 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate re_set-lib 5.2.5 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate re_set-lib 5.2.5 [INFO] finished tweaking crates.io crate re_set-lib 5.2.5 [INFO] tweaked toml for crates.io crate re_set-lib 5.2.5 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate re_set-lib 5.2.5 on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 104 packages to latest compatible versions [INFO] [stderr] Adding gtk4 v0.8.2 (available: v0.10.3) [INFO] [stderr] Adding libloading v0.8.9 (available: v0.9.0) [INFO] [stderr] Adding toml v0.8.23 (available: v0.9.10+spec-1.1.0) [INFO] [stderr] Adding xdg v2.5.2 (available: v3.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5fa2af495d60b9ee0d7b17cf4a015ffdc63e429b44d2b9e7cec77a397b44f978 [INFO] running `Command { std: "docker" "start" "-a" "5fa2af495d60b9ee0d7b17cf4a015ffdc63e429b44d2b9e7cec77a397b44f978", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5fa2af495d60b9ee0d7b17cf4a015ffdc63e429b44d2b9e7cec77a397b44f978", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5fa2af495d60b9ee0d7b17cf4a015ffdc63e429b44d2b9e7cec77a397b44f978", kill_on_drop: false }` [INFO] [stdout] 5fa2af495d60b9ee0d7b17cf4a015ffdc63e429b44d2b9e7cec77a397b44f978 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6273b71f7f4219d5a4011d6f196e81f0634430bf69d2aa230e89e3a35bf90c5d [INFO] running `Command { std: "docker" "start" "-a" "6273b71f7f4219d5a4011d6f196e81f0634430bf69d2aa230e89e3a35bf90c5d", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling smallvec v1.15.1 [INFO] [stderr] Compiling version-compare v0.2.1 [INFO] [stderr] Compiling toml_edit v0.23.10+spec-1.0.0 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Compiling gio v0.19.8 [INFO] [stderr] Compiling cfg-expr v0.15.8 [INFO] [stderr] Compiling libdbus-sys v0.2.7 [INFO] [stderr] Compiling field-offset v0.3.6 [INFO] [stderr] Compiling libpulse-sys v1.23.0 [INFO] [stderr] Checking indexmap v2.13.0 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Compiling num-derive v0.4.2 [INFO] [stderr] Compiling serde_spanned v0.6.9 [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling proc-macro-crate v3.4.0 [INFO] [stderr] Compiling toml_edit v0.22.27 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking dbus v0.9.10 [INFO] [stderr] Compiling glib-macros v0.19.9 [INFO] [stderr] Compiling gtk4-macros v0.8.2 [INFO] [stderr] Checking thiserror v1.0.69 [INFO] [stderr] Compiling serial_test_derive v3.3.1 [INFO] [stderr] Checking libpulse-binding v2.30.1 [INFO] [stderr] Checking libloading v0.8.9 [INFO] [stderr] Checking xdg v2.5.2 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking serial_test v3.3.1 [INFO] [stderr] Checking dbus-crossroads v0.5.3 [INFO] [stderr] Checking toml v0.8.23 [INFO] [stderr] Compiling system-deps v6.2.2 [INFO] [stderr] Compiling glib-sys v0.19.8 [INFO] [stderr] Compiling gobject-sys v0.19.8 [INFO] [stderr] Compiling gio-sys v0.19.8 [INFO] [stderr] Compiling gdk-pixbuf-sys v0.19.8 [INFO] [stderr] Compiling cairo-sys-rs v0.19.2 [INFO] [stderr] Compiling pango-sys v0.19.8 [INFO] [stderr] Compiling gdk4-sys v0.8.2 [INFO] [stderr] Compiling graphene-sys v0.19.8 [INFO] [stderr] Compiling gsk4-sys v0.8.2 [INFO] [stderr] Compiling gtk4-sys v0.8.2 [INFO] [stderr] Checking glib v0.19.9 [INFO] [stderr] Checking cairo-rs v0.19.4 [INFO] [stderr] Checking graphene-rs v0.19.8 [INFO] [stderr] Checking gdk-pixbuf v0.19.8 [INFO] [stderr] Checking pango v0.19.8 [INFO] [stderr] Checking gdk4 v0.8.2 [INFO] [stderr] Checking gsk4 v0.8.2 [INFO] [stderr] Checking gtk4 v0.8.2 [INFO] [stderr] Checking re_set-lib v5.2.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `unsized_fn_params` is internal to the compiler or standard library [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(unsized_fn_params)] [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: the feature `trait_upcasting` has been stable since 1.86.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(trait_upcasting)] [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (886) panicked at /rustc-dev/66388cc165a6c4ac98c074dc9f0281ff23528c55/compiler/rustc_ast/src/attr/mod.rs:302:36: [INFO] [stderr] attribute is missing tokens: Attribute { kind: Normal(NormalAttr { item: AttrItem { unsafety: Default, path: Path { span: src/tests.rs:41:1: 41:8 (#178), segments: [PathSegment { ident: #178, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(442), style: Outer, span: src/tests.rs:41:1: 41:8 (#178) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7621ad82bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7621ade0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7621ad842226 - ::write_fmt [INFO] [stderr] 3: 0x7621ad801b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7621ad81f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7621ac80236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7621ad81fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7621ad801c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7621ad7f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7621ad80372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7621aa438f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7621aebe0110 - ::token_trees [INFO] [stderr] 12: 0x7621af41c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7621af3e65d2 - ::expand_crate [INFO] [stderr] 14: 0x7621ae4f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7621af007658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7621af0073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7621af0073a7 - >::call_once [INFO] [stderr] 18: 0x7621aefecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7621aefec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7621af17127b - , rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2}>::{closure#2} as core[75ca2badb63c4514]::ops::function::FnOnce<(&rustc_session[1e6875ba352dc1ba]::session::Session, rustc_middle[2342951a64deba5]::ty::context::CurrentGcx, alloc[d7482eb0f1d19161]::sync::Arc, &std[7d609349af90bec6]::sync::once_lock::OnceLock, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0} [INFO] [stderr] 21: 0x7621af05ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7621aeeeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7621aeeeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7621aeeed138 - ::new::thread_start [INFO] [stderr] 25: 0x7621a8a8aaa4 - [INFO] [stderr] 26: 0x7621a8b17a64 - clone [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [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-2026-01-08T21_59_07-880.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.94.0-nightly (66388cc16 2026-01-08) 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] #0 [resolver_for_lowering_raw] getting the resolver for lowering [INFO] [stderr] end of query stack [INFO] [stderr] error: could not compile `re_set-lib` (lib test) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name re_set_lib --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=167636bdd09433af -C extra-filename=-ec8da5e089d1deaa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern dbus=/opt/rustwide/target/debug/deps/libdbus-fbd7f71349154f6f.rmeta --extern dbus_crossroads=/opt/rustwide/target/debug/deps/libdbus_crossroads-ffcb407e16a5f708.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk4-0948fdcf2517e890.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-d21983df834c79db.rmeta --extern pulse=/opt/rustwide/target/debug/deps/liblibpulse_binding-dea2cafeb04c7a10.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-2ad934dc7da92e31.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-07503d4aebf57632.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-399e5c7c301ebecb.rmeta --extern xdg=/opt/rustwide/target/debug/deps/libxdg-7bdf56267930585b.rmeta --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu -L native=/usr/lib/x86_64-linux-gnu` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/utils/config.rs:23:42 [INFO] [stdout] | [INFO] [stdout] 23 | let config_file = fs::File::open(CONFIG_STRING.as_str()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/utils/config.rs:26:13 [INFO] [stdout] | [INFO] [stdout] 26 | CONFIG_STRING.as_str() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static [INFO] [stdout] --> src/utils/plugin_setup.rs:88:25 [INFO] [stdout] | [INFO] [stdout] 88 | LIBS.push(lib); [INFO] [stdout] | ^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/utils/plugin_setup.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | if PLUGIN_DIR.is_dir() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/utils/plugin_setup.rs:120:22 [INFO] [stdout] | [INFO] [stdout] 120 | read_dir(PLUGIN_DIR.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/utils/plugin_setup.rs:133:20 [INFO] [stdout] | [INFO] [stdout] 133 | for lib in LIBS.iter() { [INFO] [stdout] | ^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/utils/plugin_setup.rs:186:20 [INFO] [stdout] | [INFO] [stdout] 186 | for lib in LIBS.iter() { [INFO] [stdout] | ^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6273b71f7f4219d5a4011d6f196e81f0634430bf69d2aa230e89e3a35bf90c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6273b71f7f4219d5a4011d6f196e81f0634430bf69d2aa230e89e3a35bf90c5d", kill_on_drop: false }` [INFO] [stdout] 6273b71f7f4219d5a4011d6f196e81f0634430bf69d2aa230e89e3a35bf90c5d