[INFO] cloning repository https://github.com/jgallagher-cs/rustc-ice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jgallagher-cs/rustc-ice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgallagher-cs%2Frustc-ice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgallagher-cs%2Frustc-ice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bfe4fea08de6610fe4c65657db5ee3bf2a456a55 [INFO] testing jgallagher-cs/rustc-ice against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgallagher-cs%2Frustc-ice" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jgallagher-cs/rustc-ice on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jgallagher-cs/rustc-ice [INFO] finished tweaking git repo https://github.com/jgallagher-cs/rustc-ice [INFO] tweaked toml for git repo https://github.com/jgallagher-cs/rustc-ice written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/jgallagher-cs/rustc-ice already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 28167bd3a0690badbdf5e78c5b62813253e98b51450aa4068197b7f1ed369947 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "28167bd3a0690badbdf5e78c5b62813253e98b51450aa4068197b7f1ed369947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "28167bd3a0690badbdf5e78c5b62813253e98b51450aa4068197b7f1ed369947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28167bd3a0690badbdf5e78c5b62813253e98b51450aa4068197b7f1ed369947", kill_on_drop: false }` [INFO] [stdout] 28167bd3a0690badbdf5e78c5b62813253e98b51450aa4068197b7f1ed369947 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1f7e42e6d2eb984f1a99e6dccf69fe8106edeccfe4445b8964d3b2206bcffd8e [INFO] running `Command { std: "docker" "start" "-a" "1f7e42e6d2eb984f1a99e6dccf69fe8106edeccfe4445b8964d3b2206bcffd8e", kill_on_drop: false }` [INFO] [stderr] Compiling rustc-ice v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] thread 'rustc' panicked at 'called `Option::unwrap()` on a `None` value', compiler/rustc_codegen_llvm/src/back/archive.rs:358:67 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7fcb64740f20 - std::backtrace_rs::backtrace::libunwind::trace::h706b838f5bbd876b [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x7fcb64740f20 - std::backtrace_rs::backtrace::trace_unsynchronized::hc15f29ae7822b7b8 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x7fcb64740f20 - std::sys_common::backtrace::_print_fmt::h7c580c971f91926c [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x7fcb64740f20 - ::fmt::h2a772198c4032452 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x7fcb647aed0c - core::fmt::write::h9a6d9c74526a6c1b [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/fmt/mod.rs:1115:17 [INFO] [stderr] 5: 0x7fcb64732665 - std::io::Write::write_fmt::h00f38d9eb2c32e02 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/io/mod.rs:1663:15 [INFO] [stderr] 6: 0x7fcb64744c3b - std::sys_common::backtrace::_print::h5b3c171e6f864ae4 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x7fcb64744c3b - std::sys_common::backtrace::print::h93b9e9ed2a98e611 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x7fcb64744c3b - std::panicking::default_hook::{{closure}}::hd8da92bb68d520c5 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x7fcb64744711 - std::panicking::default_hook::hdbc8b2951c5afbab [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x7fcb64f19061 - rustc_driver::DEFAULT_HOOK::{{closure}}::{{closure}}::hb401cc3a4395a91f [INFO] [stderr] 11: 0x7fcb64745469 - std::panicking::rust_panic_with_hook::h8a4c841655926f4e [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:626:17 [INFO] [stderr] 12: 0x7fcb64744ef7 - std::panicking::begin_panic_handler::{{closure}}::h471b6bc74904b7b0 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:517:13 [INFO] [stderr] 13: 0x7fcb6474141c - std::sys_common::backtrace::__rust_end_short_backtrace::h309f5c707f29932f [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 14: 0x7fcb64744e89 - rust_begin_unwind [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/panicking.rs:515:5 [INFO] [stderr] 15: 0x7fcb6470fe91 - core::panicking::panic_fmt::hcf5f6d96e1dd7099 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:92:14 [INFO] [stderr] 16: 0x7fcb6470fddd - core::panicking::panic::hd695e3b1d0dd4ef4 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/core/src/panicking.rs:50:5 [INFO] [stderr] 17: 0x7fcb66aab66f - ::build::h90b0a178e0f4b2e6 [INFO] [stderr] 18: 0x7fcb66a94b68 - rustc_codegen_ssa::back::link::link_binary::h5005cb976b23f0b3 [INFO] [stderr] 19: 0x7fcb66a91b55 - ::link::h7e14d82cc7a7be16 [INFO] [stderr] 20: 0x7fcb66a0bceb - rustc_interface::queries::Linker::link::ha85b5373e0e64fd6 [INFO] [stderr] 21: 0x7fcb669d85a5 - rustc_span::with_source_map::ha503ff1545426b21 [INFO] [stderr] 22: 0x7fcb669ea7ca - rustc_interface::interface::create_compiler_and_run::h6e85467d9706bedf [INFO] [stderr] 23: 0x7fcb669dd819 - scoped_tls::ScopedKey::set::h0e2c1597a1f6a576 [INFO] [stderr] 24: 0x7fcb669da61a - std::sys_common::backtrace::__rust_begin_short_backtrace::h5c2fa93a4999a1ec [INFO] [stderr] 25: 0x7fcb669d8ea5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8b6bc5ffa8abb153 [INFO] [stderr] 26: 0x7fcb64751a17 - as core::ops::function::FnOnce>::call_once::ha8b1d5a0092467fc [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 27: 0x7fcb64751a17 - as core::ops::function::FnOnce>::call_once::h4b9f24ec4e8a879e [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/alloc/src/boxed.rs:1572:9 [INFO] [stderr] 28: 0x7fcb64751a17 - std::sys::unix::thread::Thread::new::thread_start::h2a0e98fbc4ab4c32 [INFO] [stderr] at /rustc/432e145bd5a974c5b6f4dd9b352891bd7502b69d/library/std/src/sys/unix/thread.rs:72:17 [INFO] [stderr] 29: 0x7fcb6466d609 - start_thread [INFO] [stderr] 30: 0x7fcb64581293 - clone [INFO] [stderr] 31: 0x0 - [INFO] [stderr] [INFO] [stderr] error: internal compiler error: unexpected panic [INFO] [stderr] [INFO] [stderr] note: 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: rustc 1.55.0-nightly (432e145bd 2021-07-10) running on x86_64-unknown-linux-gnu [INFO] [stderr] [INFO] [stderr] note: compiler flags: -C embed-bitcode=no -C debuginfo=2 --crate-type lib [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 `rustc-ice` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "1f7e42e6d2eb984f1a99e6dccf69fe8106edeccfe4445b8964d3b2206bcffd8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f7e42e6d2eb984f1a99e6dccf69fe8106edeccfe4445b8964d3b2206bcffd8e", kill_on_drop: false }` [INFO] [stdout] 1f7e42e6d2eb984f1a99e6dccf69fe8106edeccfe4445b8964d3b2206bcffd8e