[INFO] fetching crate mun_lld 110.0.0...
[INFO] testing mun_lld-110.0.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate mun_lld 110.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mun_lld 110.0.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 134c89e1dfc4c4f9e4854ed880de12afe65c5bf453191dac8d35959f908218d9
[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" "134c89e1dfc4c4f9e4854ed880de12afe65c5bf453191dac8d35959f908218d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "134c89e1dfc4c4f9e4854ed880de12afe65c5bf453191dac8d35959f908218d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "134c89e1dfc4c4f9e4854ed880de12afe65c5bf453191dac8d35959f908218d9", kill_on_drop: false }`
[INFO] [stdout] 134c89e1dfc4c4f9e4854ed880de12afe65c5bf453191dac8d35959f908218d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c8ce3b0fb92d5a31a5979159135eb4f304e84512952c3c92e20a38a6392149
[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" "51c8ce3b0fb92d5a31a5979159135eb4f304e84512952c3c92e20a38a6392149", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.95
[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-3ea0ea13f6134c02/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:     0x555f122164d0 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x555f122164d0 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x555f122164d0 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x555f122164d0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h767e17e1aa7df6a8
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x555f12235dcc - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x555f12212d55 - std::io::Write::write_fmt::h4c802b6f761026c1
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x555f122186cb - std::sys_common::backtrace::_print::h2769edb26a7eb606
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x555f122186cb - std::sys_common::backtrace::print::ha71f3549862b4cb6
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x555f122186cb - std::panicking::default_hook::{{closure}}::h95488a3bade217f6
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x555f122181a1 - std::panicking::default_hook::h290aa602c0fb11df
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x555f12218d71 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x555f1215ba93 - std::panicking::begin_panic::{{closure}}::h0e3713163873b502
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x555f12167e49 - std::sys_common::backtrace::__rust_end_short_backtrace::ha311e6ac47fc5770
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x555f1215b9c9 - std::panicking::begin_panic::h7195db8f82a70390
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x555f11fc408f - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hb995ce4febd04ae6
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:73:9
[INFO] [stderr]     15:     0x555f11fc408f - core::ops::function::FnOnce::call_once::h7bc68efcf233978c
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x555f11fc61eb - lazy_static::lazy::Lazy<T>::get::{{closure}}::hc54ac4e1b3009e3e
[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:     0x555f11fcebdb - std::sync::once::Once::call_once::{{closure}}::h8933ad001566738a
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     18:     0x555f11fbca3c - std::sync::once::Once::call_inner::h418bb3b61a3aec29
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sync/once.rs:418:21
[INFO] [stderr]     19:     0x555f11fcea66 - std::sync::once::Once::call_once::h5ebc6530d00fa898
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     20:     0x555f11fc3392 - lazy_static::lazy::Lazy<T>::get::h44bff00a39cb761f
[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:     0x555f11fc3392 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h2d4183e583b52f7d
[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:     0x555f11fc3392 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hd0fc324770bc8fd4
[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:     0x555f11fc0bed - build_script_build::llvm_config::h839af230cb7d26aa
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:179:21
[INFO] [stderr]     24:     0x555f11fc1fa7 - build_script_build::get_llvm_cxxflags::ha34a13f2b68feb2a
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:286:18
[INFO] [stderr]     25:     0x555f11fc239c - build_script_build::main::hfa5233858b13ea05
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:319:35
[INFO] [stderr]     26:     0x555f11fc41db - core::ops::function::FnOnce::call_once::heeac747c05e21945
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     27:     0x555f11fc350e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8de54f76c8ba9d86
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     28:     0x555f11fcce31 - std::rt::lang_start::{{closure}}::he7afc0d5929237bd
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:49:18
[INFO] [stderr]     29:     0x555f12219269 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h04259e4a34d07c2f
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     30:     0x555f12219269 - std::panicking::try::do_call::hb8da45704d5cfbbf
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40
[INFO] [stderr]     31:     0x555f12219269 - std::panicking::try::h4beadc19a78fec52
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19
[INFO] [stderr]     32:     0x555f12219269 - std::panic::catch_unwind::hc58016cd36ba81a4
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14
[INFO] [stderr]     33:     0x555f12219269 - std::rt::lang_start_internal::hc51399759a90501a
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21
[INFO] [stderr]     34:     0x555f11fcce10 - std::rt::lang_start::hbe1baf7e1bfc4cc9
[INFO] [stderr]                                  at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:48:5
[INFO] [stderr]     35:     0x555f11fc34fc - main
[INFO] [stderr]     36:     0x7fcd5a2c70b3 - __libc_start_main
[INFO] [stderr]     37:     0x555f11fbe04e - _start
[INFO] [stderr]     38:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "51c8ce3b0fb92d5a31a5979159135eb4f304e84512952c3c92e20a38a6392149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c8ce3b0fb92d5a31a5979159135eb4f304e84512952c3c92e20a38a6392149", kill_on_drop: false }`
[INFO] [stdout] 51c8ce3b0fb92d5a31a5979159135eb4f304e84512952c3c92e20a38a6392149