[INFO] fetching crate mun_lld 110.0.0...
[INFO] checking mun_lld-110.0.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate mun_lld 110.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mun_lld 110.0.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffa0db0313c4d603649fc6763bac35c7e06391bebffb35835737f9860cf703cd
[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" "ffa0db0313c4d603649fc6763bac35c7e06391bebffb35835737f9860cf703cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffa0db0313c4d603649fc6763bac35c7e06391bebffb35835737f9860cf703cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa0db0313c4d603649fc6763bac35c7e06391bebffb35835737f9860cf703cd", kill_on_drop: false }`
[INFO] [stdout] ffa0db0313c4d603649fc6763bac35c7e06391bebffb35835737f9860cf703cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] c97cafb74cc0503cf1a528c40aa147c48559c05861e0b1f193ff65c16e5ed7db
[INFO] running `Command { std: "docker" "start" "-a" "c97cafb74cc0503cf1a528c40aa147c48559c05861e0b1f193ff65c16e5ed7db", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.69
[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-10ca07d208b0645d/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:     0x55a6ae414550 - std::backtrace_rs::backtrace::libunwind::trace::h0197874f43e7190f
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55a6ae414550 - std::backtrace_rs::backtrace::trace_unsynchronized::hfdfd566bbbda6f2d
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55a6ae414550 - std::sys_common::backtrace::_print_fmt::hb3b4707c15b032a1
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55a6ae414550 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::had1dceac8b072f88
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55a6ae43415c - core::fmt::write::h9a6d9c74526a6c1b
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/core/src/fmt/mod.rs:1117:17
[INFO] [stderr]      5:     0x55a6ae410e05 - std::io::Write::write_fmt::h05c3bb2bc83b8ed0
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/io/mod.rs:1667:15
[INFO] [stderr]      6:     0x55a6ae41625b - std::sys_common::backtrace::_print::h10f0826b2a586b58
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55a6ae41625b - std::sys_common::backtrace::print::h0d4242fbd1ac3eb6
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55a6ae41625b - std::panicking::default_hook::{{closure}}::h275ead39fe8b8e2a
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panicking.rs:210:50
[INFO] [stderr]      9:     0x55a6ae415dd0 - std::panicking::default_hook::h5505d4d90f5984d9
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panicking.rs:227:9
[INFO] [stderr]     10:     0x55a6ae416924 - std::panicking::rust_panic_with_hook::h2f8980d1d9fd4ca0
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panicking.rs:624:17
[INFO] [stderr]     11:     0x55a6ae3533a2 - std::panicking::begin_panic::{{closure}}::h691a59d93ec1ddfa
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panicking.rs:544:9
[INFO] [stderr]     12:     0x55a6ae33c6f9 - std::sys_common::backtrace::__rust_end_short_backtrace::h84a4caed9383ef25
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55a6ae3532e3 - std::panicking::begin_panic::hb12a360f9b854d94
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panicking.rs:543:12
[INFO] [stderr]     14:     0x55a6ae1ceb36 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h0d823b3b412f002f
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:73:9
[INFO] [stderr]     15:     0x55a6ae1ceb36 - core::ops::function::FnOnce::call_once::h1d38be18115ea2d0
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     16:     0x55a6ae1cdceb - lazy_static::lazy::Lazy<T>::get::{{closure}}::ha13287685869caf3
[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:     0x55a6ae1ce0fb - std::sync::once::Once::call_once::{{closure}}::h7462f279612d5293
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/sync/once.rs:261:41
[INFO] [stderr]     18:     0x55a6ae1c69ec - std::sync::once::Once::call_inner::hc2acff14d719784d
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/sync/once.rs:418:21
[INFO] [stderr]     19:     0x55a6ae1ce005 - std::sync::once::Once::call_once::had21bc38edfb65c6
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/sync/once.rs:261:9
[INFO] [stderr]     20:     0x55a6ae1cb982 - lazy_static::lazy::Lazy<T>::get::h239cb18ac18fe5f7
[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:     0x55a6ae1cb982 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h45f6203de702c84f
[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:     0x55a6ae1cb982 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hf823b4e4dd7f7e4d
[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:     0x55a6ae1c92bd - build_script_build::llvm_config::hc20ff44a9f0c93e7
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:179:21
[INFO] [stderr]     24:     0x55a6ae1ca607 - build_script_build::get_llvm_cxxflags::he68e3d2b5cd9dbb7
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:286:18
[INFO] [stderr]     25:     0x55a6ae1ca9dc - build_script_build::main::h6ea888e0a146cd8e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:319:35
[INFO] [stderr]     26:     0x55a6ae1cef3b - core::ops::function::FnOnce::call_once::hcb09a221dcb0b769
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     27:     0x55a6ae1d682e - std::sys_common::backtrace::__rust_begin_short_backtrace::h2308574556c5c16b
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     28:     0x55a6ae1d68c1 - std::rt::lang_start::{{closure}}::h791c49fec7d08065
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/rt.rs:63:18
[INFO] [stderr]     29:     0x55a6ae416e2a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e3bbb97afe2bb03
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     30:     0x55a6ae416e2a - std::panicking::try::do_call::h48c2d717cec4bdcb
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panicking.rs:403:40
[INFO] [stderr]     31:     0x55a6ae416e2a - std::panicking::try::h2a49bc215893bc14
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panicking.rs:367:19
[INFO] [stderr]     32:     0x55a6ae416e2a - std::panic::catch_unwind::h6d23b7c99550c7ff
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panic.rs:129:14
[INFO] [stderr]     33:     0x55a6ae416e2a - std::rt::lang_start_internal::{{closure}}::h251a0c0729f15896
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/rt.rs:45:48
[INFO] [stderr]     34:     0x55a6ae416e2a - std::panicking::try::do_call::h4830e784a9b9d1ad
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panicking.rs:403:40
[INFO] [stderr]     35:     0x55a6ae416e2a - std::panicking::try::h0427859d2ad3b3b9
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panicking.rs:367:19
[INFO] [stderr]     36:     0x55a6ae416e2a - std::panic::catch_unwind::h4079bfb63395be0f
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/panic.rs:129:14
[INFO] [stderr]     37:     0x55a6ae416e2a - std::rt::lang_start_internal::h408e9d26a25a1f08
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/rt.rs:45:20
[INFO] [stderr]     38:     0x55a6ae1d6890 - std::rt::lang_start::h8add25a905bc9777
[INFO] [stderr]                                  at /rustc/8007b506ac5da629f223b755f5a5391edd5f6d01/library/std/src/rt.rs:62:5
[INFO] [stderr]     39:     0x55a6ae1cbadc - main
[INFO] [stderr]     40:     0x7f6af70830b3 - __libc_start_main
[INFO] [stderr]     41:     0x55a6ae1c809e - _start
[INFO] [stderr]     42:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c97cafb74cc0503cf1a528c40aa147c48559c05861e0b1f193ff65c16e5ed7db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97cafb74cc0503cf1a528c40aa147c48559c05861e0b1f193ff65c16e5ed7db", kill_on_drop: false }`
[INFO] [stdout] c97cafb74cc0503cf1a528c40aa147c48559c05861e0b1f193ff65c16e5ed7db