[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjgallagher-cs%2Frustc-ice" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jgallagher-cs/rustc-ice on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-7/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ee13789f30e1784d48ebb5321ffe019221e849398a701e9de177951f5aa06b9
[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" "7ee13789f30e1784d48ebb5321ffe019221e849398a701e9de177951f5aa06b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ee13789f30e1784d48ebb5321ffe019221e849398a701e9de177951f5aa06b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ee13789f30e1784d48ebb5321ffe019221e849398a701e9de177951f5aa06b9", kill_on_drop: false }`
[INFO] [stdout] 7ee13789f30e1784d48ebb5321ffe019221e849398a701e9de177951f5aa06b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f06c97a0aeb927f1642339707f4b5aa907654efcf7af94ad7b34f0da347423fe
[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" "f06c97a0aeb927f1642339707f4b5aa907654efcf7af94ad7b34f0da347423fe", 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:275:67
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x7fad329004c0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]    1:     0x7fad329004c0 - std[77c0456e0eb29f0c]::backtrace_rs::backtrace::trace_unsynchronized::<std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x7fad329004c0 - std[77c0456e0eb29f0c]::sys_common::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]    3:     0x7fad329004c0 - <std[77c0456e0eb29f0c]::sys_common::backtrace::_print::DisplayBacktrace as core[ee1ca6415511a9c4]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]    4:     0x7fad3296de9c - core[ee1ca6415511a9c4]::fmt::write
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]    5:     0x7fad328f1e15 - <std[77c0456e0eb29f0c]::sys::unix::stdio::Stderr as std[77c0456e0eb29f0c]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]    6:     0x7fad3290420b - std[77c0456e0eb29f0c]::sys_common::backtrace::_print
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]    7:     0x7fad3290420b - std[77c0456e0eb29f0c]::sys_common::backtrace::print
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]    8:     0x7fad3290420b - std[77c0456e0eb29f0c]::panicking::default_hook::{closure#1}
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:208:50
[INFO] [stderr]    9:     0x7fad32903ce1 - std[77c0456e0eb29f0c]::panicking::default_hook
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:225:9
[INFO] [stderr]   10:     0x7fad330b9afd - rustc_driver[483abbcf9e72e7cf]::report_ice
[INFO] [stderr]   11:     0x7fad32904a16 - std[77c0456e0eb29f0c]::panicking::rust_panic_with_hook
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:626:17
[INFO] [stderr]   12:     0x7fad329044c7 - std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:517:13
[INFO] [stderr]   13:     0x7fad329009bc - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_end_short_backtrace::<std[77c0456e0eb29f0c]::panicking::begin_panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]   14:     0x7fad32904459 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/panicking.rs:515:5
[INFO] [stderr]   15:     0x7fad328cf5a1 - core[ee1ca6415511a9c4]::panicking::panic_fmt
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:92:14
[INFO] [stderr]   16:     0x7fad328cf4ed - core[ee1ca6415511a9c4]::panicking::panic
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/core/src/panicking.rs:50:5
[INFO] [stderr]   17:     0x7fad34c8addf - <rustc_codegen_llvm[f62e3d639b52caac]::back::archive::LlvmArchiveBuilder as rustc_codegen_ssa[fdf1b4b4aa8707f5]::back::archive::ArchiveBuilder>::build
[INFO] [stderr]   18:     0x7fad34c67d92 - rustc_codegen_ssa[fdf1b4b4aa8707f5]::back::link::link_binary::<rustc_codegen_llvm[f62e3d639b52caac]::back::archive::LlvmArchiveBuilder>
[INFO] [stderr]   19:     0x7fad34c59c6e - <rustc_codegen_llvm[f62e3d639b52caac]::LlvmCodegenBackend as rustc_codegen_ssa[fdf1b4b4aa8707f5]::traits::backend::CodegenBackend>::link
[INFO] [stderr]   20:     0x7fad34bee7a7 - <rustc_interface[2a693571f116958c]::queries::Linker>::link
[INFO] [stderr]   21:     0x7fad34baf605 - rustc_span[41f5d8395d191526]::with_source_map::<core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>, rustc_interface[2a693571f116958c]::interface::create_compiler_and_run<core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}>
[INFO] [stderr]   22:     0x7fad34bb33c8 - <scoped_tls[b98c73e0611f21d3]::ScopedKey<rustc_span[41f5d8395d191526]::SessionGlobals>>::set::<rustc_interface[2a693571f116958c]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[2a693571f116958c]::interface::run_compiler<core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>
[INFO] [stderr]   23:     0x7fad34bd6eab - std[77c0456e0eb29f0c]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[2a693571f116958c]::util::scoped_thread<rustc_interface[2a693571f116958c]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[2a693571f116958c]::interface::run_compiler<core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, ()>
[INFO] [stderr]   24:     0x7fad34badf35 - <<std[77c0456e0eb29f0c]::thread::Builder>::spawn_unchecked<rustc_interface[2a693571f116958c]::util::scoped_thread<rustc_interface[2a693571f116958c]::util::setup_callbacks_and_run_in_thread_pool_with_globals<rustc_interface[2a693571f116958c]::interface::run_compiler<core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>, rustc_driver[483abbcf9e72e7cf]::run_compiler::{closure#1}>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, core[ee1ca6415511a9c4]::result::Result<(), rustc_errors[a6601eba5631ab8e]::ErrorReported>>::{closure#0}, ()>::{closure#0} as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]   25:     0x7fad32910f47 - <alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]   26:     0x7fad32910f47 - <alloc[cda43b294bbfc5d0]::boxed::Box<alloc[cda43b294bbfc5d0]::boxed::Box<dyn core[ee1ca6415511a9c4]::ops::function::FnOnce<(), Output = ()>>> as core[ee1ca6415511a9c4]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/alloc/src/boxed.rs:1575:9
[INFO] [stderr]   27:     0x7fad32910f47 - <std[77c0456e0eb29f0c]::sys::unix::thread::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/ce59db7a1b1b012fb2793c4641c1bdecad7a128b/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stderr]   28:     0x7fad32831609 - start_thread
[INFO] [stderr]   29:     0x7fad32745293 - clone
[INFO] [stderr]   30:                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-nightly (ce59db7a1 2021-05-20) 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" "f06c97a0aeb927f1642339707f4b5aa907654efcf7af94ad7b34f0da347423fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f06c97a0aeb927f1642339707f4b5aa907654efcf7af94ad7b34f0da347423fe", kill_on_drop: false }`
[INFO] [stdout] f06c97a0aeb927f1642339707f4b5aa907654efcf7af94ad7b34f0da347423fe