[INFO] updating cached 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" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bfe4fea08de6610fe4c65657db5ee3bf2a456a55 [INFO] testing jgallagher-cs/rustc-ice against beta-2020-07-24 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgallagher-cs%2Frustc-ice" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jgallagher-cs/rustc-ice on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-10/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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e01e319f68755343e6ebf08c1557d2712b8d9daeecb00a5119e7954079cd92c5 [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" "e01e319f68755343e6ebf08c1557d2712b8d9daeecb00a5119e7954079cd92c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e01e319f68755343e6ebf08c1557d2712b8d9daeecb00a5119e7954079cd92c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e01e319f68755343e6ebf08c1557d2712b8d9daeecb00a5119e7954079cd92c5", kill_on_drop: false }` [INFO] [stdout] e01e319f68755343e6ebf08c1557d2712b8d9daeecb00a5119e7954079cd92c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0fab62363a6582d5f8f3c1d4ad9d5af30ef5abed5d0d69ee63ebca8045da3e88 [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" "0fab62363a6582d5f8f3c1d4ad9d5af30ef5abed5d0d69ee63ebca8045da3e88", 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', src/librustc_codegen_llvm/back/archive.rs:274:67 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f4ed6d928e5 - backtrace::backtrace::libunwind::trace::h5e2646fa3eddf2ea [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x7f4ed6d928e5 - backtrace::backtrace::trace_unsynchronized::hb95dd7f77ce47877 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f4ed6d928e5 - std::sys_common::backtrace::_print_fmt::h5e71b67af43fd70d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x7f4ed6d928e5 - ::fmt::hdb4a83d2b61107e5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x7f4ed6dcf36c - core::fmt::write::ha20e7262fa3e8a7a [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x7f4ed6d84662 - std::io::Write::write_fmt::h1aebfe8a5a79e36d [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x7f4ed6d97780 - std::sys_common::backtrace::_print::h9c07314cc66ba539 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x7f4ed6d97780 - std::sys_common::backtrace::print::hd1fd65f49a2d8544 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x7f4ed6d97780 - std::panicking::default_hook::{{closure}}::h222da46485ab36fc [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x7f4ed6d974cc - std::panicking::default_hook::hc5868949d129ed00 [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x7f4ed7501cd9 - rustc_driver::report_ice::he981df22d5d128c5 [INFO] [stderr] 11: 0x7f4ed6d97ef8 - std::panicking::rust_panic_with_hook::h26a6ab8b0993c0c8 [INFO] [stderr] at src/libstd/panicking.rs:530 [INFO] [stderr] 12: 0x7f4ed6d97acb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 13: 0x7f4ed6dcbf11 - core::panicking::panic_fmt::h17139c2000299725 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 14: 0x7f4ed6dcbe5d - core::panicking::panic::hcdaeac63c39347d7 [INFO] [stderr] at src/libcore/panicking.rs:50 [INFO] [stderr] 15: 0x7f4ed787c742 - ::build::h21f166619e333f6c [INFO] [stderr] 16: 0x7f4ed78a9547 - rustc_codegen_ssa::back::link::link_binary::hc05857765aa5525e [INFO] [stderr] 17: 0x7f4ed79aeaa4 - rustc_session::utils::::time::he998f7f5783538a2 [INFO] [stderr] 18: 0x7f4ed79aabf2 - ::link::hc1f1c9f01a3c32d1 [INFO] [stderr] 19: 0x7f4ed76bfe1b - rustc_interface::queries::Linker::link::hc8a3e4091a167871 [INFO] [stderr] 20: 0x7f4ed755c576 - rustc_span::with_source_map::h8ce64b93fd9acc69 [INFO] [stderr] 21: 0x7f4ed74bd216 - rustc_interface::interface::create_compiler_and_run::h91b77216978990f1 [INFO] [stderr] 22: 0x7f4ed74e784d - scoped_tls::ScopedKey::set::h37e16efb70af8f21 [INFO] [stderr] 23: 0x7f4ed750d752 - std::sys_common::backtrace::__rust_begin_short_backtrace::h2917f228238fa734 [INFO] [stderr] 24: 0x7f4ed74cb0fe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h782df3fd312ace52 [INFO] [stderr] 25: 0x7f4ed6da6cba - as core::ops::function::FnOnce>::call_once::h61c24496ae624ac5 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 26: 0x7f4ed6da6cba - as core::ops::function::FnOnce>::call_once::h89548957afa14049 [INFO] [stderr] at /rustc/6f959902b3103c49ca981fbc01871589c3498489/src/liballoc/boxed.rs:1081 [INFO] [stderr] 27: 0x7f4ed6da6cba - std::sys::unix::thread::Thread::new::thread_start::h73903fbbff5b990e [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 28: 0x7f4ed6ce7609 - start_thread [INFO] [stderr] 29: 0x7f4ed6bfb103 - __clone [INFO] [stderr] 30: 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/blob/master/CONTRIBUTING.md#bug-reports [INFO] [stderr] [INFO] [stderr] note: rustc 1.46.0-beta.2 (6f959902b 2020-07-23) 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" "0fab62363a6582d5f8f3c1d4ad9d5af30ef5abed5d0d69ee63ebca8045da3e88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fab62363a6582d5f8f3c1d4ad9d5af30ef5abed5d0d69ee63ebca8045da3e88", kill_on_drop: false }` [INFO] [stdout] 0fab62363a6582d5f8f3c1d4ad9d5af30ef5abed5d0d69ee63ebca8045da3e88