[INFO] fetching crate aoc_leaderbot_slack_lib 2.0.0... [INFO] checking aoc_leaderbot_slack_lib-2.0.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate aoc_leaderbot_slack_lib 2.0.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate aoc_leaderbot_slack_lib 2.0.0 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate aoc_leaderbot_slack_lib 2.0.0 [INFO] tweaked toml for crates.io crate aoc_leaderbot_slack_lib 2.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate aoc_leaderbot_slack_lib 2.0.0 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] crate crates.io crate aoc_leaderbot_slack_lib 2.0.0 already has a lockfile, it will not be regenerated [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a0ad84750abaa633e3335a8523456301965ab14d6082f7f1c8d39d74ae3c6cd3 [INFO] running `Command { std: "docker" "start" "-a" "a0ad84750abaa633e3335a8523456301965ab14d6082f7f1c8d39d74ae3c6cd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0ad84750abaa633e3335a8523456301965ab14d6082f7f1c8d39d74ae3c6cd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0ad84750abaa633e3335a8523456301965ab14d6082f7f1c8d39d74ae3c6cd3", kill_on_drop: false }` [INFO] [stdout] a0ad84750abaa633e3335a8523456301965ab14d6082f7f1c8d39d74ae3c6cd3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 8d24e016e011ed14ff900acdc30d777dc5cb06c5889853772f886c84d12e09d2 [INFO] running `Command { std: "docker" "start" "-a" "8d24e016e011ed14ff900acdc30d777dc5cb06c5889853772f886c84d12e09d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Checking tracing-core v0.1.35 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling strsim v0.11.1 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Compiling cc v1.2.47 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Compiling icu_properties_data v2.1.1 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Checking rustls-pki-types v1.13.0 [INFO] [stderr] Checking aho-corasick v1.1.4 [INFO] [stderr] Checking untrusted v0.9.0 [INFO] [stderr] Checking regex-syntax v0.8.8 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking icu_properties v2.1.1 [INFO] [stderr] Compiling semver v1.0.27 [INFO] [stderr] Checking mio v1.1.0 [INFO] [stderr] Checking socket2 v0.6.1 [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Compiling winnow v0.7.14 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Compiling memchr v2.7.6 [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] Compiling rustls v0.23.35 [INFO] [stderr] Compiling hashbrown v0.16.1 [INFO] [stderr] Checking idna_adapter v1.2.1 [INFO] [stderr] Checking tokio v1.48.0 [INFO] [stderr] Compiling rustc_version v0.4.1 [INFO] [stderr] Compiling darling_core v0.21.3 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Compiling indexmap v2.12.1 [INFO] [stderr] Checking subtle v2.6.1 [INFO] [stderr] Compiling toml_datetime v0.7.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Compiling toml_parser v1.0.4 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Compiling rstest_macros v0.26.1 [INFO] [stderr] Checking serde_json v1.0.145 [INFO] [stderr] Compiling toml_edit v0.23.7 [INFO] [stderr] Compiling darling_core v0.20.11 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking url v2.5.7 [INFO] [stderr] Checking num_cpus v1.17.0 [INFO] [stderr] Checking webpki-roots v1.0.4 [INFO] [stderr] Compiling proc-macro-crate v3.4.0 [INFO] [stderr] Compiling cfg-if v1.0.4 [INFO] [stderr] Checking deadpool-runtime v0.1.4 [INFO] [stderr] Compiling relative-path v1.9.3 [INFO] [stderr] Checking rustls-webpki v0.103.8 [INFO] [stderr] Compiling glob v0.3.3 [INFO] [stderr] Checking tokio-util v0.7.17 [INFO] [stderr] Compiling darling_macro v0.21.3 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking h2 v0.4.12 [INFO] [stderr] Compiling darling v0.21.3 [INFO] [stderr] Compiling serde_with_macros v3.16.1 [INFO] [stderr] Checking deadpool v0.12.3 [INFO] [stderr] Checking tower-http v0.6.7 [INFO] [stderr] Checking assert-json-diff v2.0.2 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Compiling gratte_macros v1.2.0 [INFO] [stderr] Compiling veil-macros v0.2.0 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Checking iana-time-zone v0.1.64 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Checking chrono v0.4.42 [INFO] [stderr] Checking serde_with v3.16.1 [INFO] [stderr] Checking veil v0.2.0 [INFO] [stderr] Checking anstyle v1.0.13 [INFO] [stderr] Checking clap_lex v0.7.6 [INFO] [stderr] Checking clap_builder v4.5.53 [INFO] [stderr] Compiling darling_macro v0.20.11 [INFO] [stderr] Compiling darling v0.20.11 [INFO] [stderr] Compiling derive_builder_core v0.20.2 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking tokio-rustls v0.26.4 [INFO] [stderr] Checking hyper v1.8.1 [INFO] [stderr] Checking matchers v0.2.0 [INFO] [stderr] Checking sharded-slab v0.1.7 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Compiling derive_builder_macro v0.20.2 [INFO] [stderr] Checking gratte v1.2.0 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking nu-ansi-term v0.50.3 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking itertools v0.14.0 [INFO] [stderr] Checking derive_builder v0.20.2 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Compiling tracing-test-macro v0.2.5 [INFO] [stderr] Checking tracing-subscriber v0.3.20 [INFO] [stderr] Checking assert_matches v1.5.0 [INFO] [stderr] Checking dotenvy v0.15.7 [INFO] [stderr] Checking hyper-util v0.1.18 [INFO] [stderr] Checking clap v4.5.53 [INFO] [stderr] Checking clap-verbosity-flag v3.0.4 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking tracing-test v0.2.5 [INFO] [stderr] Checking hyper-rustls v0.27.7 [INFO] [stderr] Checking wiremock v0.6.5 [INFO] [stderr] Checking reqwest v0.12.24 [INFO] [stderr] Checking rstest v0.26.1 [INFO] [stderr] Checking aoc_leaderboard v2.0.0 [INFO] [stderr] Checking aoc_leaderbot_lib v2.0.0 [INFO] [stderr] Checking aoc_leaderbot_slack_lib v2.0.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1334) 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/error.rs:103:9: 103:16 (#57), segments: [PathSegment { ident: #57, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(261), style: Outer, span: src/error.rs:103:9: 103:16 (#57) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x79632802bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x79632860fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x796328042226 - ::write_fmt [INFO] [stderr] 3: 0x796328001b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x79632801f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x79632700236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x79632801fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x796328001c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x796327ff89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x79632800372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x796324c38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7963293e0110 - ::token_trees [INFO] [stderr] 12: 0x796329c1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x796329be65d2 - ::expand_crate [INFO] [stderr] 14: 0x796328cf0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x796329807658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7963298073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7963298073a7 - >::call_once [INFO] [stderr] 18: 0x7963297ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7963297ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x79632997127b - , 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: 0x79632985ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7963296eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7963296eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7963296ed138 - ::new::thread_start [INFO] [stderr] 25: 0x79632328aaa4 - [INFO] [stderr] 26: 0x796323317a64 - 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-2026-01-08T16_51_07-1332.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 `aoc_leaderbot_slack_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 aoc_leaderbot_slack_lib --edition=2024 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --warn=unexpected_cfgs --check-cfg 'cfg(tarpaulin)' --check-cfg 'cfg(tarpaulin_include)' --check-cfg 'cfg(coverage)' --check-cfg 'cfg(coverage_nightly)' --test --cfg 'feature="default"' --cfg 'feature="reporter-webhook"' --cfg 'feature="webhook"' --cfg 'feature="webhook-base"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clap", "default", "reporter-webhook", "webhook", "webhook-base"))' -C metadata=bac27731adb25d72 -C extra-filename=-39a5bc4f7cb34d48 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-5cf73cd768c5f646.rmeta --extern aoc_leaderboard=/opt/rustwide/target/debug/deps/libaoc_leaderboard-c4a20921b3eb8955.rmeta --extern aoc_leaderbot_lib=/opt/rustwide/target/debug/deps/libaoc_leaderbot_lib-d2758065fcdbfa53.rmeta --extern assert_matches=/opt/rustwide/target/debug/deps/libassert_matches-ad0cb9533c05fd3a.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-5c30092b4c35bbe1.rmeta --extern clap_verbosity_flag=/opt/rustwide/target/debug/deps/libclap_verbosity_flag-93c63ed2f822a9ba.rmeta --extern derive_builder=/opt/rustwide/target/debug/deps/libderive_builder-e930073da048d243.rmeta --extern dotenvy=/opt/rustwide/target/debug/deps/libdotenvy-9e536007c79e99aa.rmeta --extern gratte=/opt/rustwide/target/debug/deps/libgratte-22844005069ec1b3.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-ac1cf5e414eca6f7.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-a5741d1e740fa4e1.rmeta --extern rstest=/opt/rustwide/target/debug/deps/librstest-710e46ec175bebe0.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d2f60ded8cd15991.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-936e908ecaf7f7c0.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-4b9aa8b7ef7a65fd.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-ebf7701f8b888548.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-0b94d344b8cc6962.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-ee66bde6edb80eaf.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-eae07040c0e3e39d.rmeta --extern tracing_test=/opt/rustwide/target/debug/deps/libtracing_test-5a3d42a81a9e37bb.rmeta --extern veil=/opt/rustwide/target/debug/deps/libveil-01a7954db99a357c.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/ring-c596c20d6376744c/out` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8d24e016e011ed14ff900acdc30d777dc5cb06c5889853772f886c84d12e09d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d24e016e011ed14ff900acdc30d777dc5cb06c5889853772f886c84d12e09d2", kill_on_drop: false }` [INFO] [stdout] 8d24e016e011ed14ff900acdc30d777dc5cb06c5889853772f886c84d12e09d2