[INFO] fetching crate mco-redis-rs 0.21.6... [INFO] testing mco-redis-rs-0.21.6 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate mco-redis-rs 0.21.6 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate mco-redis-rs 0.21.6 [INFO] removed 0 missing examples [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate mco-redis-rs 0.21.6 [INFO] tweaked toml for crates.io crate mco-redis-rs 0.21.6 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mco-redis-rs 0.21.6 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mco-redis-rs 0.21.6 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ec3820eb36b4389f2e8d15ecae7ab72dadc8c05dbd7681fd64ebcf96a5397133 [INFO] running `Command { std: "docker" "start" "-a" "ec3820eb36b4389f2e8d15ecae7ab72dadc8c05dbd7681fd64ebcf96a5397133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec3820eb36b4389f2e8d15ecae7ab72dadc8c05dbd7681fd64ebcf96a5397133", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec3820eb36b4389f2e8d15ecae7ab72dadc8c05dbd7681fd64ebcf96a5397133", kill_on_drop: false }` [INFO] [stdout] ec3820eb36b4389f2e8d15ecae7ab72dadc8c05dbd7681fd64ebcf96a5397133 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b7fdcc3907cc598c5fa1eb6cf25a15fe428068754e2113a5f5c530a8f8d41ed [INFO] running `Command { std: "docker" "start" "-a" "3b7fdcc3907cc598c5fa1eb6cf25a15fe428068754e2113a5f5c530a8f8d41ed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Compiling crossbeam-utils v0.8.7 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.7 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling crossbeam-queue v0.3.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling num_threads v0.1.3 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling once_cell v1.9.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.2 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling sha1_smol v1.0.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling crossbeam v0.8.1 [INFO] [stderr] Compiling mco v0.1.43 [INFO] [stderr] Compiling mco-gen v0.1.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling combine v4.6.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling nix v0.21.2 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling time v0.3.7 [INFO] [stdout] error: internal compiler error: /rustc-dev/b83b707f97d809763b7861afa7638871f3339a33/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:123:21: nullary intrinsic type_name must either be in a const block or explicitly opted out because it is inherently a runtime intrinsic [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mco-gen-0.1.0/src/gen_impl.rs:171:22 [INFO] [stdout] | [INFO] [stdout] 171 | unsafe { type_name::() }, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] [INFO] [stderr] thread 'rustc' (1033) panicked at /rustc-dev/b83b707f97d809763b7861afa7638871f3339a33/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs:123:21: [INFO] [stderr] Box [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x78dfa4669fe3 - ::fmt::hffd20ad4e5eca8ab [INFO] [stderr] 1: 0x78dfa4e01998 - core::fmt::write::h6d9d3a7cfd7b84f5 [INFO] [stderr] 2: 0x78dfa461f043 - std::io::Write::write_fmt::h22459ad26fe60c51 [INFO] [stderr] 3: 0x78dfa4630082 - std::sys::backtrace::BacktraceLock::print::hb28797143397220e [INFO] [stderr] 4: 0x78dfa4635f29 - std::panicking::default_hook::{{closure}}::h7555113b62983743 [INFO] [stderr] 5: 0x78dfa4635a53 - std::panicking::default_hook::h2714b564abe8d914 [INFO] [stderr] 6: 0x78dfa368cbb5 - std[873cba99d9e73db4]::panicking::update_hook::>::{closure#0} [INFO] [stderr] 7: 0x78dfa46363de - std::panicking::panic_with_hook::h190dc82263685ec5 [INFO] [stderr] 8: 0x78dfa36c9451 - std[873cba99d9e73db4]::panicking::begin_panic::::{closure#0} [INFO] [stderr] 9: 0x78dfa36bd736 - std[873cba99d9e73db4]::sys::backtrace::__rust_end_short_backtrace::::{closure#0}, !> [INFO] [stderr] 10: 0x78dfa36bccc7 - std[873cba99d9e73db4]::panicking::begin_panic:: [INFO] [stderr] 11: 0x78dfa36d4b91 - ::emit_producing_guarantee [INFO] [stderr] 12: 0x78dfa3c5b1ac - ::span_bug:: [INFO] [stderr] 13: 0x78dfa3c81147 - rustc_middle[bfbecec5fbf20b13]::util::bug::opt_span_bug_fmt::::{closure#0} [INFO] [stderr] 14: 0x78dfa3c8132a - rustc_middle[bfbecec5fbf20b13]::ty::context::tls::with_opt::::{closure#0}, !>::{closure#0} [INFO] [stderr] 15: 0x78dfa3c6fe5b - rustc_middle[bfbecec5fbf20b13]::ty::context::tls::with_context_opt::::{closure#0}, !>::{closure#0}, !> [INFO] [stderr] 16: 0x78dfa1d0fc47 - rustc_middle[bfbecec5fbf20b13]::util::bug::span_bug_fmt:: [INFO] [stderr] 17: 0x78dfa5df3939 - >>::codegen_intrinsic_call [INFO] [stderr] 18: 0x78dfa623c312 - rustc_codegen_ssa[e3ea0fdec5f9adb8]::mir::codegen_mir::> [INFO] [stderr] 19: 0x78dfa524ff0c - rustc_codegen_llvm[35b3c5c889a2edc0]::base::compile_codegen_unit::module_codegen [INFO] [stderr] 20: 0x78dfa5f72f1a - ::compile_codegen_unit [INFO] [stderr] 21: 0x78dfa5f70e03 - ::codegen_crate [INFO] [stderr] 22: 0x78dfa62b2d30 - ::codegen_and_build_linker [INFO] [stderr] 23: 0x78dfa62b08bc - rustc_interface[1e61e9ba1f0bb161]::passes::create_and_enter_global_ctxt::, rustc_driver_impl[40330fda428a6899]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0} [INFO] [stderr] 24: 0x78dfa6070de2 - rustc_interface[1e61e9ba1f0bb161]::interface::run_compiler::<(), rustc_driver_impl[40330fda428a6899]::run_compiler::{closure#0}>::{closure#1} [INFO] [stderr] 25: 0x78dfa5f51938 - std[873cba99d9e73db4]::sys::backtrace::__rust_begin_short_backtrace::::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()> [INFO] [stderr] 26: 0x78dfa5f5161c - <::spawn_unchecked_::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[5002542780a992fa]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} [INFO] [stderr] 27: 0x78dfa5f5774d - std::sys::pal::unix::thread::Thread::new::thread_start::h29c84e109630689a [INFO] [stderr] 28: 0x78df9f88aaa4 - [INFO] [stderr] 29: 0x78df9f917a34 - clone [INFO] [stderr] 30: 0x0 - [INFO] [stderr] [INFO] [stderr] note: using internal features is not supported and expected to cause internal compiler errors when used incorrectly [INFO] [stderr] [INFO] [stderr] warning: the ICE couldn't be written to `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mco-0.1.43/rustc-ice-2025-09-01T10_26_51-1027.txt`: Read-only file system (os error 30) [INFO] [stderr] [INFO] [stderr] note: rustc 1.91.0-nightly (b83b707f9 2025-08-28) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: --crate-type lib -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] end of query stack [INFO] [stderr] error: could not compile `mco` (lib) [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name mco --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mco-0.1.43/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("js-sys", "wasm-bindgen"))' -C metadata=2f25cfac1758ed4b -C extra-filename=-034c6c5969819451 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-5026d95c07bb94b1.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-45766d4f3f195d6b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-425e3e20f5981aaa.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-a23af042a32b6f7e.rmeta --extern mco_gen=/opt/rustwide/target/debug/deps/libmco_gen-3a0186c2bbcd0c78.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-5dca81bdf97c3a7f.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-ca3cb019af2866b5.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-4cd217228d324d54.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-b61e61bc53912480.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-50e0eed20ce53b41.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-8d41774e3decd5e4.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-8ea37c71418c9000.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-a92acc7b46142649.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-b0242588990f8cc4.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/mco-gen-4d8c0a0a81fcc64a/out --cfg nightly` (exit status: 101) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3b7fdcc3907cc598c5fa1eb6cf25a15fe428068754e2113a5f5c530a8f8d41ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b7fdcc3907cc598c5fa1eb6cf25a15fe428068754e2113a5f5c530a8f8d41ed", kill_on_drop: false }` [INFO] [stdout] 3b7fdcc3907cc598c5fa1eb6cf25a15fe428068754e2113a5f5c530a8f8d41ed