[INFO] fetching crate minstant 0.1.7... [INFO] checking minstant-0.1.7 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate minstant 0.1.7 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate minstant 0.1.7 [INFO] finished tweaking crates.io crate minstant 0.1.7 [INFO] tweaked toml for crates.io crate minstant 0.1.7 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate minstant 0.1.7 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 90 packages to latest compatible versions [INFO] [stderr] Adding criterion v0.3.6 (available: v0.8.1) [INFO] [stderr] Adding ctor v0.1.26 (available: v0.6.3) [INFO] [stderr] Adding getrandom v0.2.16 (available: v0.3.4) [INFO] [stderr] Adding quanta v0.9.3 (available: v0.12.6) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] db7711fe919bed6828e20ffa1dc2487ec70a60e739505f979397f0e395b99d1a [INFO] running `Command { std: "docker" "start" "-a" "db7711fe919bed6828e20ffa1dc2487ec70a60e739505f979397f0e395b99d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db7711fe919bed6828e20ffa1dc2487ec70a60e739505f979397f0e395b99d1a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db7711fe919bed6828e20ffa1dc2487ec70a60e739505f979397f0e395b99d1a", kill_on_drop: false }` [INFO] [stdout] db7711fe919bed6828e20ffa1dc2487ec70a60e739505f979397f0e395b99d1a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8e98aed8316019949e4b917a39119fe7d5c746efecba5667a94a671bdcee828f [INFO] running `Command { std: "docker" "start" "-a" "8e98aed8316019949e4b917a39119fe7d5c746efecba5667a94a671bdcee828f", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.106 [INFO] [stderr] Compiling libc v0.2.180 [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling crossbeam-utils v0.8.21 [INFO] [stderr] Checking cfg-if v1.0.4 [INFO] [stderr] Compiling rustversion v1.0.22 [INFO] [stderr] Compiling libm v0.2.15 [INFO] [stderr] Compiling autocfg v1.5.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling bumpalo v3.19.1 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Compiling zerocopy v0.8.33 [INFO] [stderr] Checking unicode-ident v1.0.22 [INFO] [stderr] Compiling serde_json v1.0.149 [INFO] [stderr] Compiling syn v2.0.114 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking either v1.15.0 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Checking plotters-backend v0.3.7 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.13 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking ryu v1.0.22 [INFO] [stderr] Checking plotters-svg v0.3.7 [INFO] [stderr] Checking oorandom v11.1.5 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking raw-cpuid v10.7.0 [INFO] [stderr] Checking web-time v1.1.0 [INFO] [stderr] Checking nu-ansi-term v0.50.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling wasm-bindgen v0.2.106 [INFO] [stderr] Checking crossbeam-deque v0.8.6 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking quanta v0.9.3 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking csv v1.4.0 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking minstant v0.1.7 (/opt/rustwide/workdir) [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.106 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling wasm-bindgen-test-macro v0.3.56 [INFO] [stderr] Compiling async-trait v0.1.89 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.106 [INFO] [stderr] Checking js-sys v0.3.83 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stderr] Checking wasm-bindgen-futures v0.4.56 [INFO] [stderr] Checking wasm-bindgen-test v0.3.56 [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1012) 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/lib.rs:110:5: 110:12 (#28), segments: [PathSegment { ident: #28, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(332), style: Outer, span: src/lib.rs:110:5: 110:12 (#28) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x707f18a2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x707f1900fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x707f18a42226 - ::write_fmt [INFO] [stderr] 3: 0x707f18a01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x707f18a1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x707f17a0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x707f18a1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x707f18a01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x707f189f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x707f18a0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x707f15638f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x707f19de0110 - ::token_trees [INFO] [stderr] 12: 0x707f1a61c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x707f1a5e65d2 - ::expand_crate [INFO] [stderr] 14: 0x707f196f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x707f1a207658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x707f1a2073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x707f1a2073a7 - >::call_once [INFO] [stderr] 18: 0x707f1a1ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x707f1a1ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x707f1a37127b - , 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: 0x707f1a25ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x707f1a0eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x707f1a0eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x707f1a0ed138 - ::new::thread_start [INFO] [stderr] 25: 0x707f13c8aaa4 - [INFO] [stderr] 26: 0x707f13d17a64 - 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-2026-01-08T20_35_50-1009.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 `minstant` (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 minstant --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("atomic", "coarsetime", "fallback-coarse"))' -C metadata=71d6312ac46998b8 -C extra-filename=-6185280175a86db5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-3724e979fc74a67a.rmeta --extern ctor=/opt/rustwide/target/debug/deps/libctor-ef87714bc161dee8.so --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-3c8f7776167ec581.rmeta --extern quanta=/opt/rustwide/target/debug/deps/libquanta-e29ae7cef8cc22ab.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-d715ef32af121745.rmeta --extern wasm_bindgen_test=/opt/rustwide/target/debug/deps/libwasm_bindgen_test-2abf6beb3ad685cc.rmeta --extern web_time=/opt/rustwide/target/debug/deps/libweb_time-bfcd0ef96c52737a.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "8e98aed8316019949e4b917a39119fe7d5c746efecba5667a94a671bdcee828f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e98aed8316019949e4b917a39119fe7d5c746efecba5667a94a671bdcee828f", kill_on_drop: false }` [INFO] [stdout] 8e98aed8316019949e4b917a39119fe7d5c746efecba5667a94a671bdcee828f