[INFO] cloning repository https://github.com/safx/Wrap-MCP [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/safx/Wrap-MCP" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafx%2FWrap-MCP", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafx%2FWrap-MCP'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 812ccfe8acf1fbbcdf1f6f3eed41801b254e3c58 [INFO] checking safx/Wrap-MCP against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafx%2FWrap-MCP" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/safx/Wrap-MCP [INFO] finished tweaking git repo https://github.com/safx/Wrap-MCP [INFO] tweaked toml for git repo https://github.com/safx/Wrap-MCP written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/safx/Wrap-MCP 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 git repo https://github.com/safx/Wrap-MCP 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-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] 0662cb97a35f233d71d7ae9f413f0dfc3fd5df93d3082b2cdf549e16b84ba67c [INFO] running `Command { std: "docker" "start" "-a" "0662cb97a35f233d71d7ae9f413f0dfc3fd5df93d3082b2cdf549e16b84ba67c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0662cb97a35f233d71d7ae9f413f0dfc3fd5df93d3082b2cdf549e16b84ba67c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0662cb97a35f233d71d7ae9f413f0dfc3fd5df93d3082b2cdf549e16b84ba67c", kill_on_drop: false }` [INFO] [stdout] 0662cb97a35f233d71d7ae9f413f0dfc3fd5df93d3082b2cdf549e16b84ba67c [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] 8a9f3ffb00796b82b4b7f285f4a67baa099de362b831f126f68cecbea1c436c0 [INFO] running `Command { std: "docker" "start" "-a" "8a9f3ffb00796b82b4b7f285f4a67baa099de362b831f126f68cecbea1c436c0", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking hashbrown v0.15.5 [INFO] [stderr] Compiling serde_json v1.0.142 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Checking signal-hook-registry v1.4.6 [INFO] [stderr] Checking socket2 v0.6.0 [INFO] [stderr] Checking getrandom v0.3.3 [INFO] [stderr] Compiling ref-cast v1.0.24 [INFO] [stderr] Compiling memchr v2.7.5 [INFO] [stderr] Checking iana-time-zone v0.1.63 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking dyn-clone v1.0.20 [INFO] [stderr] Checking inotify v0.9.6 [INFO] [stderr] Checking axum-core v0.5.2 [INFO] [stderr] Checking rand_core v0.9.3 [INFO] [stderr] Checking uuid v1.17.0 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking tracing-log v0.2.0 [INFO] [stderr] Checking filetime v0.2.25 [INFO] [stderr] Checking thread_local v1.1.9 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Checking indexmap v2.10.0 [INFO] [stderr] Checking notify v6.1.1 [INFO] [stderr] Checking scc v2.3.4 [INFO] [stderr] Checking ppv-lite86 v0.2.21 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking rand_chacha v0.9.0 [INFO] [stderr] Compiling darling_core v0.21.1 [INFO] [stderr] Compiling serde_derive_internals v0.29.1 [INFO] [stderr] Checking rand v0.9.2 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling tokio-macros v2.5.0 [INFO] [stderr] Compiling tracing-attributes v0.1.30 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling ref-cast-impl v1.0.24 [INFO] [stderr] Compiling thiserror-impl v2.0.12 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Compiling schemars_derive v1.0.4 [INFO] [stderr] Checking tokio v1.47.1 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking thiserror v2.0.12 [INFO] [stderr] Checking tracing v0.1.41 [INFO] [stderr] Checking tracing-subscriber v0.3.19 [INFO] [stderr] Compiling darling_macro v0.21.1 [INFO] [stderr] Compiling darling v0.21.1 [INFO] [stderr] Compiling rmcp-macros v0.5.0 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking sse-stream v0.2.1 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking tokio-util v0.7.16 [INFO] [stderr] Checking tower v0.5.2 [INFO] [stderr] Checking tokio-stream v0.1.17 [INFO] [stderr] Checking chrono v0.4.41 [INFO] [stderr] Checking h2 v0.4.12 [INFO] [stderr] Checking schemars v1.0.4 [INFO] [stderr] Checking rmcp v0.5.0 [INFO] [stderr] Checking hyper v1.6.0 [INFO] [stderr] Checking hyper-util v0.1.16 [INFO] [stderr] Checking axum v0.8.4 [INFO] [stderr] Checking wrap-mcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (964) 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/config.rs:153:5: 153:12 (#264), segments: [PathSegment { ident: #264, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(169), style: Outer, span: src/config.rs:153:5: 153:12 (#264) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7667c4a2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x7667c500fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x7667c4a42226 - ::write_fmt [INFO] [stderr] 3: 0x7667c4a01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x7667c4a1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x7667c3a0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x7667c4a1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x7667c4a01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x7667c49f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x7667c4a0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x7667c1638f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7667c5de0110 - ::token_trees [INFO] [stderr] 12: 0x7667c661c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7667c65e65d2 - ::expand_crate [INFO] [stderr] 14: 0x7667c56f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x7667c6207658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7667c62073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7667c62073a7 - >::call_once [INFO] [stderr] 18: 0x7667c61ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7667c61ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x7667c637127b - , 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: 0x7667c625ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7667c60eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7667c60eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7667c60ed138 - ::new::thread_start [INFO] [stderr] 25: 0x7667bfc8aaa4 - [INFO] [stderr] 26: 0x7667bfd17a64 - 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-2026-01-09T22_29_00-958.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 `wrap-mcp` (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 wrap_mcp --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 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=c43cf4ccb3ac568e -C extra-filename=-3ea2896e1e7ee71b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-9e60a9f33eb513b3.rmeta --extern axum=/opt/rustwide/target/debug/deps/libaxum-b61d910ad72cffa2.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-beaba8d68ce39bb1.rmeta --extern notify=/opt/rustwide/target/debug/deps/libnotify-fe5539def6d9d539.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-a647d47be5b4c8f0.rmeta --extern rmcp=/opt/rustwide/target/debug/deps/librmcp-ebbbc5b4b66d68e4.rmeta --extern schemars=/opt/rustwide/target/debug/deps/libschemars-a513d162b3b7b0bb.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1ab5256caf92560c.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-512861c75e1bc85d.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-64a6b2b87a8c5354.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-f53fa667708faad5.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-4f597af540f0fbd8.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-36cad4fc9bc0d8f7.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-e9a96193db82ef1b.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "8a9f3ffb00796b82b4b7f285f4a67baa099de362b831f126f68cecbea1c436c0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a9f3ffb00796b82b4b7f285f4a67baa099de362b831f126f68cecbea1c436c0", kill_on_drop: false }` [INFO] [stdout] 8a9f3ffb00796b82b4b7f285f4a67baa099de362b831f126f68cecbea1c436c0