[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 1.54.0 for beta-1.55-1
[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 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4b0ed2067e90434fcbeef6ba9a3f8e047482db87614920462caf08b62d46468
[INFO] running `Command { std: "docker" "start" "-a" "f4b0ed2067e90434fcbeef6ba9a3f8e047482db87614920462caf08b62d46468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4b0ed2067e90434fcbeef6ba9a3f8e047482db87614920462caf08b62d46468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b0ed2067e90434fcbeef6ba9a3f8e047482db87614920462caf08b62d46468", kill_on_drop: false }`
[INFO] [stdout] f4b0ed2067e90434fcbeef6ba9a3f8e047482db87614920462caf08b62d46468
[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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02d0d30d05124a77b1443a7750def8e4979b5c6e23c26f032c728bcc2317aa0c
[INFO] running `Command { std: "docker" "start" "-a" "02d0d30d05124a77b1443a7750def8e4979b5c6e23c26f032c728bcc2317aa0c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:356:67
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7f78c9c67f70 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x7f78c9c67f70 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7f78c9c67f70 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7f78c9c67f70 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7f78c9cd597c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]    5:     0x7f78c9c59935 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]    6:     0x7f78c9c6bdfb - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7f78c9c6bdfb - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7f78c9c6bdfb - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x7f78c9c6b8d1 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x7f78ca4770cd - rustc_driver::report_ice::hff672d9b88ca03b0
[INFO] [stderr]   11:     0x7f78c9c6c629 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:626:17
[INFO] [stderr]   12:     0x7f78c9c6c0b7 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:517:13
[INFO] [stderr]   13:     0x7f78c9c6846c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   14:     0x7f78c9c6c049 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]   15:     0x7f78c9c36f81 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]   16:     0x7f78c9c36ecd - core::panicking::panic::h1a48d878ff3dcd40
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:50:5
[INFO] [stderr]   17:     0x7f78cbfc9969 - <rustc_codegen_llvm::back::archive::LlvmArchiveBuilder as rustc_codegen_ssa::back::archive::ArchiveBuilder>::build::hfd456a4c2f86c696
[INFO] [stderr]   18:     0x7f78cbfb46bc - rustc_codegen_ssa::back::link::link_binary::h7495a2cd0ac2adbd
[INFO] [stderr]   19:     0x7f78cbfa288e - <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_ssa::traits::backend::CodegenBackend>::link::heb859185b32f7b5d
[INFO] [stderr]   20:     0x7f78cbf32293 - rustc_interface::queries::Linker::link::h61b6318a12a33b2e
[INFO] [stderr]   21:     0x7f78cbef5005 - rustc_span::with_source_map::h33c78a1e6c63b43f
[INFO] [stderr]   22:     0x7f78cbf0686a - rustc_interface::interface::create_compiler_and_run::h0bd876884fc07b03
[INFO] [stderr]   23:     0x7f78cbef7e59 - scoped_tls::ScopedKey<T>::set::h811f10417514a143
[INFO] [stderr]   24:     0x7f78cbf06bca - std::sys_common::backtrace::__rust_begin_short_backtrace::h8300948b4aea3669
[INFO] [stderr]   25:     0x7f78cbeef115 - core::ops::function::FnOnce::call_once{{vtable.shim}}::ha44976be506d9bfa
[INFO] [stderr]   26:     0x7f78c9c78b07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]   27:     0x7f78c9c78b07 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]   28:     0x7f78c9c78b07 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stderr]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stderr]   29:     0x7f78c9b95609 - start_thread
[INFO] [stderr]   30:     0x7f78c9aa9293 - clone
[INFO] [stderr]   31:                0x0 - <unknown>
[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 1.54.0 (a178d0322 2021-07-26) 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" "02d0d30d05124a77b1443a7750def8e4979b5c6e23c26f032c728bcc2317aa0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02d0d30d05124a77b1443a7750def8e4979b5c6e23c26f032c728bcc2317aa0c", kill_on_drop: false }`
[INFO] [stdout] 02d0d30d05124a77b1443a7750def8e4979b5c6e23c26f032c728bcc2317aa0c
