[INFO] fetching crate magic-home-rs 0.1.0... [INFO] checking magic-home-rs-0.1.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] extracting crate magic-home-rs 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate magic-home-rs 0.1.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate magic-home-rs 0.1.0 [INFO] tweaked toml for crates.io crate magic-home-rs 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate magic-home-rs 0.1.0 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 magic-home-rs 0.1.0 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-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] 1153cfe88ddc3512b1a41205399881e95b2c21a9991c0854eff23819b18a40df [INFO] running `Command { std: "docker" "start" "-a" "1153cfe88ddc3512b1a41205399881e95b2c21a9991c0854eff23819b18a40df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1153cfe88ddc3512b1a41205399881e95b2c21a9991c0854eff23819b18a40df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1153cfe88ddc3512b1a41205399881e95b2c21a9991c0854eff23819b18a40df", kill_on_drop: false }` [INFO] [stdout] 1153cfe88ddc3512b1a41205399881e95b2c21a9991c0854eff23819b18a40df [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] 83a63f6d07add22ae81714891f0ab5bac5068a370add1dc6d29078b8208b9615 [INFO] running `Command { std: "docker" "start" "-a" "83a63f6d07add22ae81714891f0ab5bac5068a370add1dc6d29078b8208b9615", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.103 [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Checking futures-core v0.3.31 [INFO] [stderr] Checking futures-sink v0.3.31 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking regex-automata v0.4.13 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Compiling assert_cmd v2.1.1 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking sdd v3.0.10 [INFO] [stderr] Checking normalize-line-endings v0.3.0 [INFO] [stderr] Checking log v0.4.28 [INFO] [stderr] Checking once_cell v1.21.3 [INFO] [stderr] Checking futures-channel v0.3.31 [INFO] [stderr] Checking futures-util v0.3.31 [INFO] [stderr] Checking scc v2.4.0 [INFO] [stderr] Compiling quote v1.0.42 [INFO] [stderr] Checking float-cmp v0.10.0 [INFO] [stderr] Compiling syn v2.0.111 [INFO] [stderr] Checking parking_lot_core v0.9.12 [INFO] [stderr] Checking wait-timeout v0.2.1 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking regex v1.12.2 [INFO] [stderr] Checking bstr v1.12.1 [INFO] [stderr] Checking futures-executor v0.3.31 [INFO] [stderr] Checking predicates v3.1.3 [INFO] [stderr] Checking futures v0.3.31 [INFO] [stderr] Compiling clap_derive v4.5.49 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Checking serial_test v3.2.0 [INFO] [stderr] Checking clap v4.5.53 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking magic-home-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [INFO] [stderr] thread 'rustc' (485) 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: tests/cli_e2e.rs:7:1: 7:8 (#15), segments: [PathSegment { ident: #15, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(10), style: Outer, span: tests/cli_e2e.rs:7:1: 7:8 (#15) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x737d4242bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x737d42a0fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x737d42442226 - ::write_fmt [INFO] [stderr] 3: 0x737d42401b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x737d4241f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x737d4140236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x737d4241fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x737d42401c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x737d423f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x737d4240372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x737d3f038f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x737d437e0110 - ::token_trees [INFO] [stderr] 12: 0x737d4401c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x737d43fe65d2 - ::expand_crate [INFO] [stderr] 14: 0x737d430f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x737d43c07658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x737d43c073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x737d43c073a7 - >::call_once [INFO] [stderr] 18: 0x737d43becb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x737d43bec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x737d43d7127b - , 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: 0x737d43c5ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x737d43aeac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x737d43aeaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x737d43aed138 - ::new::thread_start [INFO] [stderr] 25: 0x737d3d68aaa4 - [INFO] [stderr] 26: 0x737d3d717a64 - 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_20_04-482.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] [INFO] [stderr] thread 'rustc' (493) 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: tests/network.rs:11:1: 11:8 (#14), segments: [PathSegment { ident: #14, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(10), style: Outer, span: tests/network.rs:11:1: 11:8 (#14) } [INFO] [stderr] stack backtrace: [INFO] [stderr] #0 [resolver_for_lowering_raw] getting the resolver for lowering [INFO] [stderr] end of query stack [INFO] [stderr] 0: 0x732061e2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x73206240fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x732061e42226 - ::write_fmt [INFO] [stderr] 3: 0x732061e01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x732061e1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x732060e0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x732061e1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x732061e01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x732061df89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x732061e0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x73205ea38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7320631e0110 - ::token_trees [INFO] [stderr] 12: 0x732063a1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7320639e65d2 - ::expand_crate [INFO] [stderr] 14: 0x732062af0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x732063607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7320636073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7320636073a7 - >::call_once [INFO] [stderr] 18: 0x7320635ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7320635ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x73206377127b - , 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: 0x73206365ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7320634eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7320634eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7320634ed138 - ::new::thread_start [INFO] [stderr] 25: 0x73205d08aaa4 - [INFO] [stderr] 26: 0x73205d117a64 - 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_20_04-483.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 `magic-home-rs` (test "cli_e2e") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name cli_e2e --edition=2024 tests/cli_e2e.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=f27b32aebab8f13d -C extra-filename=-c416aabcb39f8193 --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 assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-eb1a0e2bd45dcd51.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-edc70efa9d4986b9.rmeta --extern magic_home_rs=/opt/rustwide/target/debug/deps/libmagic_home_rs-293ec06aa1cce0c0.rmeta --extern predicates=/opt/rustwide/target/debug/deps/libpredicates-866f52dfe49ab47f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ca5067824983adeb.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-71f1edc9740367a9.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-fbd077865b846a00.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `magic-home-rs` (test "network") [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name network --edition=2024 tests/network.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=40484ed12e021c39 -C extra-filename=-f17389fcaf43d66a --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 assert_cmd=/opt/rustwide/target/debug/deps/libassert_cmd-eb1a0e2bd45dcd51.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-edc70efa9d4986b9.rmeta --extern magic_home_rs=/opt/rustwide/target/debug/deps/libmagic_home_rs-293ec06aa1cce0c0.rmeta --extern predicates=/opt/rustwide/target/debug/deps/libpredicates-866f52dfe49ab47f.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ca5067824983adeb.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-71f1edc9740367a9.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-fbd077865b846a00.rmeta --cap-lints=forbid` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "83a63f6d07add22ae81714891f0ab5bac5068a370add1dc6d29078b8208b9615", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83a63f6d07add22ae81714891f0ab5bac5068a370add1dc6d29078b8208b9615", kill_on_drop: false }` [INFO] [stdout] 83a63f6d07add22ae81714891f0ab5bac5068a370add1dc6d29078b8208b9615