[INFO] cloning repository https://github.com/rusty-ferris-club/backpack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rusty-ferris-club/backpack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty-ferris-club%2Fbackpack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty-ferris-club%2Fbackpack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da21b651e5b27843a8e473976797fc07fad695d4
[INFO] checking rusty-ferris-club/backpack against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frusty-ferris-club%2Fbackpack" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/rusty-ferris-club/backpack
[INFO] finished tweaking git repo https://github.com/rusty-ferris-club/backpack
[INFO] tweaked toml for git repo https://github.com/rusty-ferris-club/backpack written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rusty-ferris-club/backpack 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/rusty-ferris-club/backpack 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] ea13c81c962a6678ce298dd64f4eb46783adabeeb5191eb4e03ccd6751ee9ee7
[INFO] running `Command { std: "docker" "start" "-a" "ea13c81c962a6678ce298dd64f4eb46783adabeeb5191eb4e03ccd6751ee9ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea13c81c962a6678ce298dd64f4eb46783adabeeb5191eb4e03ccd6751ee9ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea13c81c962a6678ce298dd64f4eb46783adabeeb5191eb4e03ccd6751ee9ee7", kill_on_drop: false }`
[INFO] [stdout] ea13c81c962a6678ce298dd64f4eb46783adabeeb5191eb4e03ccd6751ee9ee7
[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] 985ff4d2014937d804f1c403e0ca2011a2c684e2cb6e04f01eaaa2801538fbf4
[INFO] running `Command { std: "docker" "start" "-a" "985ff4d2014937d804f1c403e0ca2011a2c684e2cb6e04f01eaaa2801538fbf4", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.126
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[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' (3157) 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: backpack/src/config.rs:294:5: 294:12 (#465), segments: [PathSegment { ident: <test_trace>#465, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(413), style: Outer, span: backpack/src/config.rs:294:5: 294:12 (#465) }
[INFO] [stderr] stack backtrace:
[INFO] [stdout] warning: unused import: `CopyMode`
[INFO] [stdout]  --> backpack/src/run.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::data::{CopyMode, Opts};
[INFO] [stdout]   |                   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    0:     0x764e9da2bfa3 - <<std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt
[INFO] [stderr]    1:     0x764e9e00fb48 - core[75ca2badb63c4514]::fmt::write
[INFO] [stderr]    2:     0x764e9da42226 - <std[7d609349af90bec6]::sys::stdio::unix::Stderr as std[7d609349af90bec6]::io::Write>::write_fmt
[INFO] [stderr]    3:     0x764e9da01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0}
[INFO] [stderr]    4:     0x764e9da1f833 - std[7d609349af90bec6]::panicking::default_hook
[INFO] [stderr]    5:     0x764e9ca0236a - std[7d609349af90bec6]::panicking::update_hook::<alloc[d7482eb0f1d19161]::boxed::Box<rustc_driver_impl[3f9d6dd912ac34bd]::install_ice_hook::{closure#1}>>::{closure#0}
[INFO] [stderr]    6:     0x764e9da1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook
[INFO] [stderr]    7:     0x764e9da01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]    8:     0x764e9d9f89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace::<std[7d609349af90bec6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]    9:     0x764e9da0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind
[INFO] [stderr]   10:     0x764e9a638f9c - core[75ca2badb63c4514]::panicking::panic_fmt
[INFO] [stderr]   11:     0x764e9ede0110 - <rustc_ast[333fca09df5738a4]::ast::Attribute>::token_trees
[INFO] [stderr]   12:     0x764e9f61c314 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::fully_expand_fragment
[INFO] [stderr]   13:     0x764e9f5e65d2 - <rustc_expand[a01ffc1bf52c2613]::expand::MacroExpander>::expand_crate
[INFO] [stderr]   14:     0x764e9e6f0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand
[INFO] [stderr]   15:     0x764e9f207658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw
[INFO] [stderr]   16:     0x764e9f2073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2342951a64deba5]::query::erase::Erased<[u8; 16usize]>>
[INFO] [stderr]   17:     0x764e9f2073a7 - <rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2} as core[75ca2badb63c4514]::ops::function::FnOnce<(rustc_middle[2342951a64deba5]::ty::context::TyCtxt, ())>>::call_once
[INFO] [stderr]   18:     0x764e9f1ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::<rustc_query_impl[8c5349e00d64015e]::DynamicConfig<rustc_query_system[d45be4fb383a0235]::query::caches::SingleCache<rustc_middle[2342951a64deba5]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false>
[INFO] [stderr]   19:     0x764e9f1ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace
[INFO] [stderr]   20:     0x764e9f37127b - <rustc_interface[903e43df8d6bd657]::passes::create_and_enter_global_ctxt<core[75ca2badb63c4514]::option::Option<rustc_interface[903e43df8d6bd657]::queries::Linker>, 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<rustc_data_structures[c82a87ce5cdbfc92]::jobserver::Proxy>, &std[7d609349af90bec6]::sync::once_lock::OnceLock<rustc_middle[2342951a64deba5]::ty::context::GlobalCtxt>, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal<rustc_middle[2342951a64deba5]::arena::Arena>, &rustc_data_structures[c82a87ce5cdbfc92]::sync::worker_local::WorkerLocal<rustc_hir[cc727ec2ba6ebdb5]::Arena>, rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}::{closure#2})>>::call_once::{shim:vtable#0}
[INFO] [stderr]   21:     0x764e9f25ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}
[INFO] [stderr]   22:     0x764e9f0eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[903e43df8d6bd657]::util::run_in_thread_with_globals<rustc_interface[903e43df8d6bd657]::util::run_in_thread_pool_with_globals<rustc_interface[903e43df8d6bd657]::interface::run_compiler<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
[INFO] [stderr]   23:     0x764e9f0eaa20 - <std[7d609349af90bec6]::thread::lifecycle::spawn_unchecked<rustc_interface[903e43df8d6bd657]::util::run_in_thread_with_globals<rustc_interface[903e43df8d6bd657]::util::run_in_thread_pool_with_globals<rustc_interface[903e43df8d6bd657]::interface::run_compiler<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   24:     0x764e9f0ed138 - <std[7d609349af90bec6]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]   25:     0x764e98c8aaa4 - <unknown>
[INFO] [stderr]   26:     0x764e98d17a64 - clone
[INFO] [stderr]   27:                0x0 - <unknown>
[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_41_18-3154.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 `backpack` (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 backpack --edition=2021 backpack/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="clap"' --cfg 'feature="cli"' --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clap", "cli", "default"))' -C metadata=e3e4276e922fd095 -C extra-filename=-81ca66e525fc9895 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-07f7be2ad31b3c22.rmeta --extern cached_path=/opt/rustwide/target/debug/deps/libcached_path-791b2d778e2bd44d.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-ed8091475bddf0f9.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-a173bbaea5dec1be.rmeta --extern content_inspector=/opt/rustwide/target/debug/deps/libcontent_inspector-9dd00a742d3fc80f.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-008008c00a99e8f1.rmeta --extern edit=/opt/rustwide/target/debug/deps/libedit-475b72058544d29a.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-c711f504b44df5ae.rmeta --extern fs_extra=/opt/rustwide/target/debug/deps/libfs_extra-f8b18f971f1ffa73.rmeta --extern git_url_parse=/opt/rustwide/target/debug/deps/libgit_url_parse-8fef3758bea6d8e7.rmeta --extern insta=/opt/rustwide/target/debug/deps/libinsta-51a6a253156e00d7.rmeta --extern interactive_actions=/opt/rustwide/target/debug/deps/libinteractive_actions-829adefab1d7f6e0.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-3dcad08886afe173.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-0746c79d093427c1.rmeta --extern merge_struct=/opt/rustwide/target/debug/deps/libmerge_struct-1efe1afb45061bfc.rmeta --extern pretty_assertions=/opt/rustwide/target/debug/deps/libpretty_assertions-acc090931197b0fc.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-0a71d0ea410e0760.rmeta --extern requestty=/opt/rustwide/target/debug/deps/librequestty-0832c87999562620.rmeta --extern requestty_ui=/opt/rustwide/target/debug/deps/librequestty_ui-8b95c2665368e62d.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-a5b721944db517a7.rmeta --extern rstest=/opt/rustwide/target/debug/deps/librstest-607f9ce9167da549.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-d0e23620c72d1674.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-d2c809a3105b36db.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-79abc498521f67dc.rmeta --extern serde_regex=/opt/rustwide/target/debug/deps/libserde_regex-08104fef52513267.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-c1bf14b1beb44ee1.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-48f3ff4a243ed8ff.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-57cbb797c30eb281.rmeta --extern tera=/opt/rustwide/target/debug/deps/libtera-5194ea87ca460283.rmeta --extern tera_text_filters=/opt/rustwide/target/debug/deps/libtera_text_filters-ed540450b455cc7f.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-3d83b874f9c36aeb.rmeta --extern tracing_forest=/opt/rustwide/target/debug/deps/libtracing_forest-0cc3641e1c3d29ca.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-a9499f2da02ee627.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-1633902e1a6698ca.rmeta --extern walkdir=/opt/rustwide/target/debug/deps/libwalkdir-de0cbdded71dacbe.rmeta --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/bzip2-sys-f71e678e45c12ee8/out/lib` (exit status: 101)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "985ff4d2014937d804f1c403e0ca2011a2c684e2cb6e04f01eaaa2801538fbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "985ff4d2014937d804f1c403e0ca2011a2c684e2cb6e04f01eaaa2801538fbf4", kill_on_drop: false }`
[INFO] [stdout] 985ff4d2014937d804f1c403e0ca2011a2c684e2cb6e04f01eaaa2801538fbf4
