[INFO] cloning repository https://github.com/mgree/mgt [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mgree/mgt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a67cdc3def907bd9e1c796ca4925d0410f4a5ac1 [INFO] checking mgree/mgt against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmgree%2Fmgt" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/mgree/mgt [INFO] finished tweaking git repo https://github.com/mgree/mgt [INFO] tweaked toml for git repo https://github.com/mgree/mgt written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/mgree/mgt 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/mgree/mgt 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0b31be5800b4454f5d634fa3d864b4adef928dd38d543b9557cf8ba5e789aa65 [INFO] running `Command { std: "docker" "start" "-a" "0b31be5800b4454f5d634fa3d864b4adef928dd38d543b9557cf8ba5e789aa65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b31be5800b4454f5d634fa3d864b4adef928dd38d543b9557cf8ba5e789aa65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b31be5800b4454f5d634fa3d864b4adef928dd38d543b9557cf8ba5e789aa65", kill_on_drop: false }` [INFO] [stdout] 0b31be5800b4454f5d634fa3d864b4adef928dd38d543b9557cf8ba5e789aa65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9eeb12a94baef1659d5c427b9194d5a404989cef5857c829d6e21ec0e6860685 [INFO] running `Command { std: "docker" "start" "-a" "9eeb12a94baef1659d5c427b9194d5a404989cef5857c829d6e21ec0e6860685", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling hashbrown v0.8.1 [INFO] [stderr] Compiling indexmap v1.5.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling siphasher v0.3.3 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling bit-vec v0.6.2 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling phf_shared v0.8.0 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling itertools v0.9.0 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Compiling im-rc v15.0.0 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking miniz_oxide v0.4.0 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking typed-arena v2.0.1 [INFO] [stderr] Checking smallvec v1.4.1 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Checking clap v2.33.1 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking environment v0.1.1 [INFO] [stderr] Checking pretty v0.10.0 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking sized-chunks v0.6.2 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Compiling lalrpop-util v0.19.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling serial_test_derive v0.4.0 [INFO] [stderr] Checking serial_test v0.4.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling string_cache v0.8.0 [INFO] [stderr] Checking assert_cli v0.6.3 [INFO] [stderr] Compiling lalrpop v0.19.0 [INFO] [stderr] Compiling mgt v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused attribute `allow` [INFO] [stdout] --> src/syntax.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[allow(clippy::all)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `lalrpop_mod` [INFO] [stdout] --> src/syntax.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | lalrpop_mod!(parser); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute `allow` [INFO] [stdout] --> src/syntax.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[allow(clippy::all)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the built-in attribute `allow` will be ignored, since it's applied to the macro invocation `lalrpop_mod` [INFO] [stdout] --> src/syntax.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | lalrpop_mod!(parser); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1341) 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/main.rs:490:5: 490:12 (#363), segments: [PathSegment { ident: #363, id: NodeId(4294967040), args: None }], tokens: None }, args: Unparsed(Empty), tokens: None }, tokens: None }), id: AttrId(91), style: Outer, span: src/main.rs:490:5: 490:12 (#363) } [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x71854fe2bfa3 - <::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt [INFO] [stderr] 1: 0x71855040fb48 - core[75ca2badb63c4514]::fmt::write [INFO] [stderr] 2: 0x71854fe42226 - ::write_fmt [INFO] [stderr] 3: 0x71854fe01b98 - std[7d609349af90bec6]::panicking::default_hook::{closure#0} [INFO] [stderr] 4: 0x71854fe1f833 - std[7d609349af90bec6]::panicking::default_hook [INFO] [stderr] 5: 0x71854ee0236a - std[7d609349af90bec6]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 6: 0x71854fe1fb12 - std[7d609349af90bec6]::panicking::panic_with_hook [INFO] [stderr] 7: 0x71854fe01c58 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0} [INFO] [stderr] 8: 0x71854fdf89a9 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace:: [INFO] [stderr] 9: 0x71854fe0372d - __rustc[69841a6cbc58d81d]::rust_begin_unwind [INFO] [stderr] 10: 0x71854ca38f9c - core[75ca2badb63c4514]::panicking::panic_fmt [INFO] [stderr] 11: 0x7185511e0110 - ::token_trees [INFO] [stderr] 12: 0x718551a1c314 - ::fully_expand_fragment [INFO] [stderr] 13: 0x7185519e65d2 - ::expand_crate [INFO] [stderr] 14: 0x718550af0af3 - rustc_interface[903e43df8d6bd657]::passes::configure_and_expand [INFO] [stderr] 15: 0x718551607658 - rustc_interface[903e43df8d6bd657]::passes::resolver_for_lowering_raw [INFO] [stderr] 16: 0x7185516073cd - rustc_query_impl[8c5349e00d64015e]::plumbing::__rust_begin_short_backtrace::> [INFO] [stderr] 17: 0x7185516073a7 - >::call_once [INFO] [stderr] 18: 0x7185515ecb5f - rustc_query_system[d45be4fb383a0235]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[8c5349e00d64015e]::plumbing::QueryCtxt, false> [INFO] [stderr] 19: 0x7185515ec6bc - rustc_query_impl[8c5349e00d64015e]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace [INFO] [stderr] 20: 0x71855177127b - , 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: 0x71855165ac98 - rustc_interface[903e43df8d6bd657]::interface::run_compiler::<(), rustc_driver_impl[3f9d6dd912ac34bd]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 22: 0x7185514eac4e - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 23: 0x7185514eaa20 - ::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 24: 0x7185514ed138 - ::new::thread_start [INFO] [stderr] 25: 0x71854b08aaa4 - [INFO] [stderr] 26: 0x71854b117a64 - 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-2026-01-09T18_34_29-1338.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 `mgt` (bin "mgt" test) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/66388cc165a6c4ac98c074dc9f0281ff23528c55/bin/rustc --crate-name mgt --edition=2018 src/main.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=1e0b8ebddcb556f5 -C extra-filename=-36dbcabb4bf6b8da --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern assert_cli=/opt/rustwide/target/debug/deps/libassert_cli-c4ba9c52f12ff65e.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-b8ad6b9314427676.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-03bf35679f3d86c3.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-8e175652112650aa.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-e6c6e53c7568bb58.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-ace81a47c8b5a58b.rmeta --extern mgt=/opt/rustwide/target/debug/deps/libmgt-0088a748871659da.rmeta --extern pretty=/opt/rustwide/target/debug/deps/libpretty-c831b2fec87f8255.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-8eb1eb468b1b2fc3.rmeta --extern serial_test=/opt/rustwide/target/debug/deps/libserial_test-0c1bf027b349daae.rmeta --extern tempfile=/opt/rustwide/target/debug/deps/libtempfile-334d318a551a3260.rmeta --cap-lints=forbid` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "9eeb12a94baef1659d5c427b9194d5a404989cef5857c829d6e21ec0e6860685", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9eeb12a94baef1659d5c427b9194d5a404989cef5857c829d6e21ec0e6860685", kill_on_drop: false }` [INFO] [stdout] 9eeb12a94baef1659d5c427b9194d5a404989cef5857c829d6e21ec0e6860685