[INFO] fetching crate mun_lld 110.0.0...
[INFO] checking mun_lld-110.0.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate mun_lld 110.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mun_lld 110.0.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14f56374c3b3eefa17bfa50839427a404317836a93fd0f1f66fc6652409d11e1
[INFO] running `Command { std: "docker" "start" "-a" "14f56374c3b3eefa17bfa50839427a404317836a93fd0f1f66fc6652409d11e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14f56374c3b3eefa17bfa50839427a404317836a93fd0f1f66fc6652409d11e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14f56374c3b3eefa17bfa50839427a404317836a93fd0f1f66fc6652409d11e1", kill_on_drop: false }`
[INFO] [stdout] 14f56374c3b3eefa17bfa50839427a404317836a93fd0f1f66fc6652409d11e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 06ccae63c172a7badadc5822454db458f900712ea2c6512901bbc12e6452c30c
[INFO] running `Command { std: "docker" "start" "-a" "06ccae63c172a7badadc5822454db458f900712ea2c6512901bbc12e6452c30c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[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-2e52be00a43b08b6/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:     0x55c6206f5e90 - std::backtrace_rs::backtrace::libunwind::trace::h0f5cd2ee8b0d7274
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55c6206f5e90 - std::backtrace_rs::backtrace::trace_unsynchronized::h06905b5aeda069a1
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55c6206f5e90 - std::sys_common::backtrace::_print_fmt::h4fe4c7c875072f30
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55c6206f5e90 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hcc0746f004a9b7ef
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55c6207157ac - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x55c6206f2715 - std::io::Write::write_fmt::h23dab4cc9ce72ee2
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/io/mod.rs:1665:15
[INFO] [stderr]      6:     0x55c6206f809b - std::sys_common::backtrace::_print::h173dc702502d65d2
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55c6206f809b - std::sys_common::backtrace::print::h61bd27c4742ba817
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55c6206f809b - std::panicking::default_hook::{{closure}}::hcaae87f0495ae613
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55c6206f7b71 - std::panicking::default_hook::h0538e728ee080db0
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55c6206f8764 - std::panicking::rust_panic_with_hook::h3039e236b6ca482c
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55c62062f713 - std::panicking::begin_panic::{{closure}}::h71714f5a375fa1d8
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:542:9
[INFO] [stderr]     12:     0x55c620616f79 - std::sys_common::backtrace::__rust_end_short_backtrace::h5846410c60e38ce0
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55c62062f649 - std::panicking::begin_panic::h773fcadd39f0d1b9
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:541:12
[INFO] [stderr]     14:     0x55c6204abf90 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hb02c5fbc930ad866
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:73:9
[INFO] [stderr]     15:     0x55c6204abf90 - core::ops::function::FnOnce::call_once::h1cc0a0829e0337dd
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x55c6204a9deb - lazy_static::lazy::Lazy<T>::get::{{closure}}::ha361069f18806302
[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:     0x55c6204a9bfb - std::sync::once::Once::call_once::{{closure}}::h3a42dbf573d85cb3
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     18:     0x55c6204a2a2c - std::sync::once::Once::call_inner::hd6a1cc2e768c58f6
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sync/once.rs:418:21
[INFO] [stderr]     19:     0x55c6204a9ac8 - std::sync::once::Once::call_once::hd403d6a63c64df97
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     20:     0x55c6204a7a82 - lazy_static::lazy::Lazy<T>::get::h22d0fccf0dae665a
[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:     0x55c6204a7a82 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::ha04dd90ab8411c6d
[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:     0x55c6204a7a82 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h21e0fa7e9ddb4407
[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:     0x55c6204a52dd - build_script_build::llvm_config::hdf058e67051b91fa
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:179:21
[INFO] [stderr]     24:     0x55c6204a6697 - build_script_build::get_llvm_cxxflags::h74c7e874344f4367
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:286:18
[INFO] [stderr]     25:     0x55c6204a6a8c - build_script_build::main::h8e153d8fab770ecf
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:319:35
[INFO] [stderr]     26:     0x55c6204abfbb - core::ops::function::FnOnce::call_once::h33d7280135e680fe
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     27:     0x55c6204b374e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8a6b6c14627a676b
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     28:     0x55c6204b1551 - std::rt::lang_start::{{closure}}::hbf8b337717fc84d8
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:63:18
[INFO] [stderr]     29:     0x55c6206f8c6a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h61bcc1dec5918b7e
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     30:     0x55c6206f8c6a - std::panicking::try::do_call::h672d24f85ce22db4
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     31:     0x55c6206f8c6a - std::panicking::try::he383e7ef11604e58
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     32:     0x55c6206f8c6a - std::panic::catch_unwind::h502ac6058961e393
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14
[INFO] [stderr]     33:     0x55c6206f8c6a - std::rt::lang_start_internal::{{closure}}::h851ee37bb5d99fdf
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:48
[INFO] [stderr]     34:     0x55c6206f8c6a - std::panicking::try::do_call::h84f41bb3453bbd14
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:401:40
[INFO] [stderr]     35:     0x55c6206f8c6a - std::panicking::try::h969c45dbbf2e4c94
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panicking.rs:365:19
[INFO] [stderr]     36:     0x55c6206f8c6a - std::panic::catch_unwind::he40b1a4614f73e03
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/panic.rs:434:14
[INFO] [stderr]     37:     0x55c6206f8c6a - std::rt::lang_start_internal::h0fbab25cccdb30d8
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:45:20
[INFO] [stderr]     38:     0x55c6204b1520 - std::rt::lang_start::hdd52103a0cd21e3d
[INFO] [stderr]                                  at /rustc/5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f/library/std/src/rt.rs:62:5
[INFO] [stderr]     39:     0x55c6204a7bec - main
[INFO] [stderr]     40:     0x7ff6547750b3 - __libc_start_main
[INFO] [stderr]     41:     0x55c6204a406e - _start
[INFO] [stderr]     42:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "06ccae63c172a7badadc5822454db458f900712ea2c6512901bbc12e6452c30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ccae63c172a7badadc5822454db458f900712ea2c6512901bbc12e6452c30c", kill_on_drop: false }`
[INFO] [stdout] 06ccae63c172a7badadc5822454db458f900712ea2c6512901bbc12e6452c30c