[INFO] fetching crate mun_lld 110.0.0...
[INFO] testing mun_lld-110.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mun_lld 110.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate mun_lld 110.0.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 0bebc4f71754ec1fa14ba0210ce48c1588de2ea71db40cefe39966d031e57bd3
[INFO] running `Command { std: "docker" "start" "-a" "0bebc4f71754ec1fa14ba0210ce48c1588de2ea71db40cefe39966d031e57bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bebc4f71754ec1fa14ba0210ce48c1588de2ea71db40cefe39966d031e57bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bebc4f71754ec1fa14ba0210ce48c1588de2ea71db40cefe39966d031e57bd3", kill_on_drop: false }`
[INFO] [stdout] 0bebc4f71754ec1fa14ba0210ce48c1588de2ea71db40cefe39966d031e57bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b69856a6aa640d1b51518093606551fe46defefbad062c7a1b9690632d339655
[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" "b69856a6aa640d1b51518093606551fe46defefbad062c7a1b9690632d339655", kill_on_drop: false }`
[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:     0x55fa5c643e8c - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
[INFO] [stderr]      1:     0x55fa5c643e8c - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55fa5c643e8c - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55fa5c643e8c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h82b0e3aaf8a96140
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55fa5c663fcc - core::fmt::write::h72801a82c94e6ff1
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17
[INFO] [stderr]      5:     0x55fa5c63f9e5 - std::io::Write::write_fmt::hc2da38dc44811df8
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15
[INFO] [stderr]      6:     0x55fa5c6458e0 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55fa5c6458e0 - std::sys_common::backtrace::print::h7ce8802039fa9d0e
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55fa5c6458e0 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50
[INFO] [stderr]      9:     0x55fa5c64548b - std::panicking::default_hook::hf4f180b00076f2b2
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:228:9
[INFO] [stderr]     10:     0x55fa5c645f94 - std::panicking::rust_panic_with_hook::he85ce8435493b711
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17
[INFO] [stderr]     11:     0x55fa5c516322 - std::panicking::begin_panic::{{closure}}::h493f32395bacc3be
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:526:9
[INFO] [stderr]     12:     0x55fa5c513d59 - std::sys_common::backtrace::__rust_end_short_backtrace::he15d006531776f03
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18
[INFO] [stderr]     13:     0x55fa5c516263 - std::panicking::begin_panic::h57ef656f56141f87
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:525:12
[INFO] [stderr]     14:     0x55fa5c3f0a82 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h6c72c9f04ec9c3ae
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:73:9
[INFO] [stderr]     15:     0x55fa5c3f0a82 - core::ops::function::FnOnce::call_once::h5c13140d682a6e92
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x55fa5c3f22fb - lazy_static::lazy::Lazy<T>::get::{{closure}}::h70285031713d52eb
[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:     0x55fa5c3f004b - std::sync::once::Once::call_once::{{closure}}::hf5f9bfe14d4c7879
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sync/once.rs:262:41
[INFO] [stderr]     18:     0x55fa5c3e890e - std::sync::once::Once::call_inner::h3023ccdcace5556f
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sync/once.rs:419:21
[INFO] [stderr]     19:     0x55fa5c3efdd5 - std::sync::once::Once::call_once::h34ac357609eaa49f
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sync/once.rs:262:9
[INFO] [stderr]     20:     0x55fa5c3ed7b2 - lazy_static::lazy::Lazy<T>::get::h7e97bdf209e961b5
[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:     0x55fa5c3ed7b2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hd2e202f288ed7d27
[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:     0x55fa5c3ed7b2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hd9a298d930bb599c
[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:     0x55fa5c3eb0dd - build_script_build::llvm_config::h3709cdab693bf4ca
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:179:21
[INFO] [stderr]     24:     0x55fa5c3ec427 - build_script_build::get_llvm_cxxflags::h3f6c67874189a733
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:286:18
[INFO] [stderr]     25:     0x55fa5c3ec7fc - build_script_build::main::ha8229b05e85c98fd
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:319:35
[INFO] [stderr]     26:     0x55fa5c3f027b - core::ops::function::FnOnce::call_once::h47fc9f99b6d80577
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     27:     0x55fa5c3f778e - std::sys_common::backtrace::__rust_begin_short_backtrace::h022508b133c6ffa8
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:123:18
[INFO] [stderr]     28:     0x55fa5c3f7821 - std::rt::lang_start::{{closure}}::hd87df48ca9a5d2f8
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:145:18
[INFO] [stderr]     29:     0x55fa5c6436d1 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h0e73392810ecd318
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     30:     0x55fa5c6436d1 - std::panicking::try::do_call::h12dcb4a4f352a507
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stderr]     31:     0x55fa5c6436d1 - std::panicking::try::h0d978c76ab4a3863
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stderr]     32:     0x55fa5c6436d1 - std::panic::catch_unwind::hab40227675186980
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stderr]     33:     0x55fa5c6436d1 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:48
[INFO] [stderr]     34:     0x55fa5c6436d1 - std::panicking::try::do_call::h38e7a9128f21d387
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40
[INFO] [stderr]     35:     0x55fa5c6436d1 - std::panicking::try::h32d4e72fd8922bce
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19
[INFO] [stderr]     36:     0x55fa5c6436d1 - std::panic::catch_unwind::h9a345671d889d41f
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14
[INFO] [stderr]     37:     0x55fa5c6436d1 - std::rt::lang_start_internal::h9e691a4f557eb2a3
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:20
[INFO] [stderr]     38:     0x55fa5c3f77f0 - std::rt::lang_start::hd4b4e17b4556c6d7
[INFO] [stderr]                                  at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:144:17
[INFO] [stderr]     39:     0x55fa5c3ed90c - main
[INFO] [stderr]     40:     0x7f713a4b90b3 - __libc_start_main
[INFO] [stderr]     41:     0x55fa5c3e9ebe - _start
[INFO] [stderr]     42:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "b69856a6aa640d1b51518093606551fe46defefbad062c7a1b9690632d339655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69856a6aa640d1b51518093606551fe46defefbad062c7a1b9690632d339655", kill_on_drop: false }`
[INFO] [stdout] b69856a6aa640d1b51518093606551fe46defefbad062c7a1b9690632d339655