[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 1.45.2 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-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jgallagher-cs/rustc-ice on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "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-9/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" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f605e125b4885d84964ba16b408a69ace8bdc9e1dd0b8fabc66241490af1a337 [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" "f605e125b4885d84964ba16b408a69ace8bdc9e1dd0b8fabc66241490af1a337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f605e125b4885d84964ba16b408a69ace8bdc9e1dd0b8fabc66241490af1a337", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f605e125b4885d84964ba16b408a69ace8bdc9e1dd0b8fabc66241490af1a337", kill_on_drop: false }` [INFO] [stdout] f605e125b4885d84964ba16b408a69ace8bdc9e1dd0b8fabc66241490af1a337 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6588e3cf0b2b13157d56a50906d1ae82a9778127b8eba63c759cb9731b3cd10d [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" "6588e3cf0b2b13157d56a50906d1ae82a9778127b8eba63c759cb9731b3cd10d", 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:274:33 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x7f09edd1f0e5 - backtrace::backtrace::libunwind::trace::ha215bbf14e328799 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x7f09edd1f0e5 - backtrace::backtrace::trace_unsynchronized::h3384b099b135857a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x7f09edd1f0e5 - std::sys_common::backtrace::_print_fmt::hfec93740f7294682 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x7f09edd1f0e5 - ::fmt::h5fe20777f4174074 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x7f09edd5c7fc - core::fmt::write::he14c3177144df275 [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x7f09edd117f3 - std::io::Write::write_fmt::h8e26323bfab8bcc5 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x7f09edd24100 - std::sys_common::backtrace::_print::h9cfa4c87526ba064 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x7f09edd24100 - std::sys_common::backtrace::print::h94936584848b3272 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x7f09edd24100 - std::panicking::default_hook::{{closure}}::h733b20cc9b496e46 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x7f09edd23e4c - std::panicking::default_hook::h556d8cff6c12a651 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x7f09ee44b463 - rustc_driver::report_ice::h6d1c693aceeb9f1d [INFO] [stderr] 11: 0x7f09edd247ac - std::panicking::rust_panic_with_hook::ha0c7ca5b39baa9d5 [INFO] [stderr] at src/libstd/panicking.rs:490 [INFO] [stderr] 12: 0x7f09edd2438b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:388 [INFO] [stderr] 13: 0x7f09edd593a1 - core::panicking::panic_fmt::h106d7128cbbc7cd2 [INFO] [stderr] at src/libcore/panicking.rs:101 [INFO] [stderr] 14: 0x7f09edd592ed - core::panicking::panic::hfe03c118d2519816 [INFO] [stderr] at src/libcore/panicking.rs:56 [INFO] [stderr] 15: 0x7f09ee7c2ce2 - ::build::h97f5b85a94194ed7 [INFO] [stderr] 16: 0x7f09ee84ba97 - rustc_codegen_ssa::back::link::link_binary::ha002a8d945869d7f [INFO] [stderr] 17: 0x7f09ee916a44 - rustc_session::utils::::time::h949d85299ac82ec8 [INFO] [stderr] 18: 0x7f09ee877ed6 - ::link::h7ae2ac383ffe1e46 [INFO] [stderr] 19: 0x7f09ee606a4e - rustc_interface::queries::Linker::link::he2eb51b93cfaa68b [INFO] [stderr] 20: 0x7f09ee40f1ba - rustc_interface::interface::run_compiler_in_existing_thread_pool::h61d7aa90c416ebf0 [INFO] [stderr] 21: 0x7f09ee45a28f - rustc_ast::attr::with_globals::hec44c216366ac39b [INFO] [stderr] 22: 0x7f09ee45f46e - std::sys_common::backtrace::__rust_begin_short_backtrace::hf11c1fc94dda916e [INFO] [stderr] 23: 0x7f09ee41294e - core::ops::function::FnOnce::call_once{{vtable.shim}}::heb2d9288c6f6628e [INFO] [stderr] 24: 0x7f09edd3410a - as core::ops::function::FnOnce>::call_once::hf311c88f1fadb9b8 [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 25: 0x7f09edd3410a - as core::ops::function::FnOnce>::call_once::h8cfb7235b81393ef [INFO] [stderr] at /rustc/d3fb005a39e62501b8b0b356166e515ae24e2e54/src/liballoc/boxed.rs:1076 [INFO] [stderr] 26: 0x7f09edd3410a - std::sys::unix::thread::Thread::new::thread_start::hf745c8cf29a89648 [INFO] [stderr] at src/libstd/sys/unix/thread.rs:87 [INFO] [stderr] 27: 0x7f09edc76609 - start_thread [INFO] [stderr] 28: 0x7f09edb8a103 - __clone [INFO] [stderr] 29: 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 1.45.2 (d3fb005a3 2020-07-31) 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" "6588e3cf0b2b13157d56a50906d1ae82a9778127b8eba63c759cb9731b3cd10d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6588e3cf0b2b13157d56a50906d1ae82a9778127b8eba63c759cb9731b3cd10d", kill_on_drop: false }` [INFO] [stdout] 6588e3cf0b2b13157d56a50906d1ae82a9778127b8eba63c759cb9731b3cd10d