[INFO] fetching crate kvx 0.9.3... [INFO] checking kvx-0.9.3 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate kvx 0.9.3 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate kvx 0.9.3 [INFO] finished tweaking crates.io crate kvx 0.9.3 [INFO] tweaked toml for crates.io crate kvx 0.9.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate kvx 0.9.3 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 165 packages to latest compatible versions [INFO] [stderr] Adding generic-array v0.14.7 (available: v0.14.9) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] [stderr] Adding serial_test v2.0.0 (available: v3.3.1) [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [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] [stderr] Blocking waiting for file lock on package cache [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 59e9d1d47b3d13ef3c7c7bda2bece432eb1836bbfa65b2cd45f6a66e3814e369 [INFO] running `Command { std: "docker" "start" "-a" "59e9d1d47b3d13ef3c7c7bda2bece432eb1836bbfa65b2cd45f6a66e3814e369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "59e9d1d47b3d13ef3c7c7bda2bece432eb1836bbfa65b2cd45f6a66e3814e369", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59e9d1d47b3d13ef3c7c7bda2bece432eb1836bbfa65b2cd45f6a66e3814e369", kill_on_drop: false }` [INFO] [stdout] 59e9d1d47b3d13ef3c7c7bda2bece432eb1836bbfa65b2cd45f6a66e3814e369 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b185bc2a73c0dba6cd9b2aa7c2b129cc9a221b78f09bff6f0d3f783958f9a1c6 [INFO] running `Command { std: "docker" "start" "-a" "b185bc2a73c0dba6cd9b2aa7c2b129cc9a221b78f09bff6f0d3f783958f9a1c6", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Compiling generic-array v0.14.7 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling unicode-bidi v0.3.18 [INFO] [stderr] Compiling unicode-properties v0.1.4 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling mio v1.1.1 [INFO] [stderr] Compiling socket2 v0.6.1 [INFO] [stderr] Compiling fallible-iterator v0.2.0 [INFO] [stderr] Compiling phf_shared v0.13.1 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling tinyvec v1.10.0 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Compiling lock_api v0.4.14 [INFO] [stderr] Checking stringprep v0.1.5 [INFO] [stderr] Compiling unicode-normalization v0.1.25 [INFO] [stderr] Checking tokio v1.49.0 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling block-buffer v0.10.4 [INFO] [stderr] Compiling crypto-common v0.1.7 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Checking md-5 v0.10.6 [INFO] [stderr] Checking sha2 v0.10.9 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Checking phf v0.13.1 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Checking postgres-protocol v0.6.9 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking whoami v1.6.1 [INFO] [stderr] Checking scheduled-thread-pool v0.2.7 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking r2d2 v0.8.10 [INFO] [stderr] Checking tempfile v3.24.0 [INFO] [stderr] Checking fd-lock v4.0.4 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Compiling synstructure v0.13.2 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.8.1 [INFO] [stderr] Compiling zerovec-derive v0.11.2 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling postgres-derive v0.4.7 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling serial_test_derive v2.0.0 [INFO] [stderr] Checking tokio-util v0.7.18 [INFO] [stderr] Checking zerofrom v0.1.6 [INFO] [stderr] Checking serial_test v2.0.0 [INFO] [stderr] Compiling postgres-types v0.2.11 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Checking yoke v0.8.1 [INFO] [stderr] Checking tokio-postgres v0.7.15 [INFO] [stderr] Checking zerovec v0.11.5 [INFO] [stderr] Checking zerotrie v0.2.3 [INFO] [stderr] Checking tinystr v0.8.2 [INFO] [stderr] Checking potential_utf v0.1.4 [INFO] [stderr] Checking icu_collections v2.1.1 [INFO] [stderr] Checking icu_locale_core v2.1.1 [INFO] [stderr] Checking icu_provider v2.1.1 [INFO] [stderr] Checking icu_normalizer v2.1.1 [INFO] [stderr] Checking icu_properties v2.1.2 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking url v2.5.8 [INFO] [stderr] Checking postgres v0.19.12 [INFO] [stderr] Checking r2d2_postgres v0.18.2 [INFO] [stderr] Checking kvx_types v0.9.3 [INFO] [stderr] Compiling kvx_macros v0.9.3 [INFO] [stderr] Checking kvx v0.9.3 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1056) 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/implementations/mod.rs:473:17: 473:24 (#204), segments: [PathSegment { ident: #204, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(485), style: Outer, span: src/implementations/mod.rs:473:17: 473:24 (#204) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x70506342bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x705063a0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x705063442226 - ::write_fmt [INFO] [stderr] 3: 0x705063401b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x70506341f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x70506240236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x70506341fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x705063401c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7050633f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x70506340372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x705060038f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7050647e0110 - ::token_trees [INFO] [stderr] 12: 0x70506501c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x705064fe65d2 - ::expand_crate [INFO] [stderr] 14: 0x7050640f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x705064c07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x705064c073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x705064c073a7 - >::call_once [INFO] [stderr] 18: 0x705064becb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x705064bec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x705064d7127b - , 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: 0x705064c5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x705064aeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x705064aeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x705064aed138 - ::new::thread_start [INFO] [stderr] 25: 0x70505e663aa4 - [INFO] [stderr] 26: 0x70505e6f0a64 - clone [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] error: the compiler unexpectedly panicked. this is a bug. [INFO] [stderr] [INFO] [stderr] note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md [INFO] [stderr] [INFO] [stderr] note: please make sure that you have updated to the latest nightly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/workdir/rustc-ice-2026-01-08T19_59_54-1051.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 `kvx` (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 kvx --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 --cfg 'feature="default"' --cfg 'feature="macros"' --cfg 'feature="postgres"' --cfg 'feature="queue"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "macros", "postgres", "queue"))' -C metadata=b43e2d80ba8230d1 -C extra-filename=-29d54475f23aa5f8 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fd_lock=/opt/rustwide/target/debug/deps/libfd_lock-629c2f59e4f2a72b.rmeta --extern kvx_macros=/opt/rustwide/target/debug/deps/libkvx_macros-529f26c2e79c177b.so --extern kvx_types=/opt/rustwide/target/debug/deps/libkvx_types-02380c47a07e3be7.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-cb8ca6aa8c56979f.rmeta --extern postgres=/opt/rustwide/target/debug/deps/libpostgres-5047a369b04c9829.rmeta --extern postgres_types=/opt/rustwide/target/debug/deps/libpostgres_types-9d3b6a483aabc35d.rmeta --extern r2d2_postgres=/opt/rustwide/target/debug/deps/libr2d2_postgres-5264f1a4e255e493.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-19d8839a7b082c36.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-35f09973c5dd9642.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-58ffdc603a6a4eab.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-85edac375ca6ad4c.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-2f5cbc61f9664e48.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-2288bdbbdf410533.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `ReadOnlyMemory` is never constructed [INFO] [stdout] --> src/implementations/memory.rs:210:8 [INFO] [stdout] | [INFO] [stdout] 210 | struct ReadOnlyMemory { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b185bc2a73c0dba6cd9b2aa7c2b129cc9a221b78f09bff6f0d3f783958f9a1c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b185bc2a73c0dba6cd9b2aa7c2b129cc9a221b78f09bff6f0d3f783958f9a1c6", kill_on_drop: false }` [INFO] [stdout] b185bc2a73c0dba6cd9b2aa7c2b129cc9a221b78f09bff6f0d3f783958f9a1c6