[INFO] fetching crate mun_lld 110.0.0...
[INFO] testing mun_lld-110.0.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mun_lld 110.0.0 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate mun_lld 110.0.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mun_lld 110.0.0
[INFO] finished tweaking crates.io crate mun_lld 110.0.0
[INFO] tweaked toml for crates.io crate mun_lld 110.0.0 written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76b03e0cbf426f5fea83fbfa0be575bdab409863e618e9ca380f300113520be6
[INFO] running `Command { std: "docker" "start" "-a" "76b03e0cbf426f5fea83fbfa0be575bdab409863e618e9ca380f300113520be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76b03e0cbf426f5fea83fbfa0be575bdab409863e618e9ca380f300113520be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b03e0cbf426f5fea83fbfa0be575bdab409863e618e9ca380f300113520be6", kill_on_drop: false }`
[INFO] [stdout] 76b03e0cbf426f5fea83fbfa0be575bdab409863e618e9ca380f300113520be6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf3e01ba8990239141e06c902ca75f233550496d9a364ad4f5e8a137f25c4a33
[INFO] running `Command { std: "docker" "start" "-a" "cf3e01ba8990239141e06c902ca75f233550496d9a364ad4f5e8a137f25c4a33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling mun_lld v110.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mun_lld v110.0.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/mun_lld-a72d66a806a013ec/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Found LLVM version 10.0.0 on PATH, but need 11.0.0.
[INFO] [stderr]   Didn't find usable system-wide LLVM.
[INFO] [stderr]   No suitable version of LLVM was found system-wide or pointed
[INFO] [stderr]                     to by LLVM_SYS_110_PREFIX.
[INFO] [stderr] 
[INFO] [stderr]                     Consider using `llvmenv` to compile an appropriate copy of LLVM, and
[INFO] [stderr]                     refer to the llvm-sys documentation for more information.
[INFO] [stderr] 
[INFO] [stderr]                     llvm-sys: https://crates.io/crates/llvm-sys
[INFO] [stderr]                     llvmenv: https://crates.io/crates/llvmenv
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Could not find a compatible version of LLVM', build.rs:73:9
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x564b39c7bc8c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x564b39c7bc8c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x564b39c7bc8c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x564b39c7bc8c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf439e5ed84c74abd
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x564b39c9bd6c - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x564b39c77855 - std::io::Write::write_fmt::h5562a8b6da0f0339
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x564b39c7d6e0 - std::sys_common::backtrace::_print::hb29ddd998d02631c
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x564b39c7d6e0 - std::sys_common::backtrace::print::h81965e3d7c90fbb6
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x564b39c7d6e0 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x564b39c7d28b - std::panicking::default_hook::h1bf8bb4159936bca
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x564b39c7dd94 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x564b39b51502 - std::panicking::begin_panic::{{closure}}::he974e9b1310ac583
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:526:9
[INFO] [stderr]     12:     0x564b39b4de89 - std::sys_common::backtrace::__rust_end_short_backtrace::h62b115649d642f8d
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x564b39b51443 - std::panicking::begin_panic::hf4f81b7abddfa2a5
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:525:12
[INFO] [stderr]     14:     0x564b39a28ad2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h47c7e474e381c82a
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:73:9
[INFO] [stderr]     15:     0x564b39a28ad2 - core::ops::function::FnOnce::call_once::h5c13140d682a6e92
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x564b39a2a2fb - lazy_static::lazy::Lazy<T>::get::{{closure}}::hb4846bf8622f2852
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31:29
[INFO] [stderr]     17:     0x564b39a2800b - std::sync::once::Once::call_once::{{closure}}::h41b573d233677812
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sync/once.rs:262:41
[INFO] [stderr]     18:     0x564b39a2090e - std::sync::once::Once::call_inner::h3d9e30905319a51b
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sync/once.rs:419:21
[INFO] [stderr]     19:     0x564b39a27f55 - std::sync::once::Once::call_once::h613dfbf9e761b781
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sync/once.rs:262:9
[INFO] [stderr]     20:     0x564b39a257b2 - lazy_static::lazy::Lazy<T>::get::h36b1128d2379e4b8
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30:9
[INFO] [stderr]     21:     0x564b39a257b2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hb601b836fe6df390
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:142:21
[INFO] [stderr]     22:     0x564b39a257b2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hd41ec110828c4fd1
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/lib.rs:144:17
[INFO] [stderr]     23:     0x564b39a230dd - build_script_build::llvm_config::h18d3bf0276c18f8c
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:179:21
[INFO] [stderr]     24:     0x564b39a24427 - build_script_build::get_llvm_cxxflags::h3c85164593375239
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:286:18
[INFO] [stderr]     25:     0x564b39a247fc - build_script_build::main::ha8229b05e85c98fd
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:319:35
[INFO] [stderr]     26:     0x564b39a282cb - core::ops::function::FnOnce::call_once::h47fc9f99b6d80577
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     27:     0x564b39a2f78e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8534744934bd1b4c
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     28:     0x564b39a2f821 - std::rt::lang_start::{{closure}}::hd7d6dd14e20c9a16
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:145:18
[INFO] [stderr]     29:     0x564b39c7b4d1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h42d3791e66d196c0
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     30:     0x564b39c7b4d1 - std::panicking::try::do_call::hc3bcb188e535517f
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stderr]     31:     0x564b39c7b4d1 - std::panicking::try::hb1edf04d4a7097ab
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stderr]     32:     0x564b39c7b4d1 - std::panic::catch_unwind::h75ed941ac0d36d57
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stderr]     33:     0x564b39c7b4d1 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:48
[INFO] [stderr]     34:     0x564b39c7b4d1 - std::panicking::try::do_call::h53276a03c7fe2ebc
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:406:40
[INFO] [stderr]     35:     0x564b39c7b4d1 - std::panicking::try::ha9e37f45dc542517
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panicking.rs:370:19
[INFO] [stderr]     36:     0x564b39c7b4d1 - std::panic::catch_unwind::h182647595766fee7
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/panic.rs:133:14
[INFO] [stderr]     37:     0x564b39c7b4d1 - std::rt::lang_start_internal::h571831ebdba142de
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:128:20
[INFO] [stderr]     38:     0x564b39a2f7f0 - std::rt::lang_start::h6fbdf73f2b5939c8
[INFO] [stderr]                                  at /rustc/62efba8a050c64249dab942951bb28f710208bc8/library/std/src/rt.rs:144:17
[INFO] [stderr]     39:     0x564b39a2590c - main
[INFO] [stderr]     40:     0x7f8fff91b0b3 - __libc_start_main
[INFO] [stderr]     41:     0x564b39a21ebe - _start
[INFO] [stderr]     42:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cf3e01ba8990239141e06c902ca75f233550496d9a364ad4f5e8a137f25c4a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3e01ba8990239141e06c902ca75f233550496d9a364ad4f5e8a137f25c4a33", kill_on_drop: false }`
[INFO] [stdout] cf3e01ba8990239141e06c902ca75f233550496d9a364ad4f5e8a137f25c4a33