[INFO] updating cached repository https://github.com/fangerm/gelixrs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d1fc7fa618a56504b5724c22d29179d33d0afb6
[INFO] checking fangerm/gelixrs against try#e60d9e09c55855f5a848fde8ad83e13131a5b241 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffangerm%2Fgelixrs" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fangerm/gelixrs on toolchain e60d9e09c55855f5a848fde8ad83e13131a5b241
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fangerm/gelixrs
[INFO] finished tweaking git repo https://github.com/fangerm/gelixrs
[INFO] tweaked toml for git repo https://github.com/fangerm/gelixrs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fangerm/gelixrs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fe85b035d6300781fdcf8ddb15c27fb0effef9240f7c807a5b45f57b21498a0b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "fe85b035d6300781fdcf8ddb15c27fb0effef9240f7c807a5b45f57b21498a0b"`
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?rev=136dd5e06db47f77cb329cd5f6625273dfd3afd7#136dd5e0)
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling enum-methods v0.0.8
[INFO] [stderr]    Compiling llvm-sys v80.1.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v80.1.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/llvm-sys-77c6dbe105be48d5/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_PREFIX
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_IGNORE_BLACKLIST
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_STRICT_VERSIONING
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_NO_CLEAN_CFLAGS
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_USE_DEBUG_MSVCRT
[INFO] [stderr] cargo:rerun-if-env-changed=LLVM_SYS_80_FFI_WORKAROUND
[INFO] [stderr] Found LLVM version 6.0.0 on PATH, but need 8.0.2.
[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_80_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', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/build.rs:101:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55908ecdfc84 - backtrace::backtrace::libunwind::trace::hd3621c56e1a82b0a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55908ecdfc84 - backtrace::backtrace::trace_unsynchronized::h127a46c1d6aa4138
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55908ecdfc84 - std::sys_common::backtrace::_print_fmt::hfb10ea147c250179
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55908ecdfc84 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::heca9e4a472b1181e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55908ecfe62c - core::fmt::write::h54f88987482a5b75
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1057
[INFO] [stderr]    5:     0x55908ecdbf87 - std::io::Write::write_fmt::he140747fba757439
[INFO] [stderr]                                at src/libstd/io/mod.rs:1426
[INFO] [stderr]    6:     0x55908ece1fb5 - std::sys_common::backtrace::_print::hf5ab867f01eb06e3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55908ece1fb5 - std::sys_common::backtrace::print::hb7ea4d1c97dea23b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55908ece1fb5 - std::panicking::default_hook::{{closure}}::h68c54342c8022088
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55908ece1ca1 - std::panicking::default_hook::hfa9dc9c6d07432d7
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55908ece261a - std::panicking::rust_panic_with_hook::hffd6e7ce90eff43e
[INFO] [stderr]                                at src/libstd/panicking.rs:472
[INFO] [stderr]   11:     0x55908ec945c7 - std::panicking::begin_panic::h5b73bd660ba40d55
[INFO] [stderr]                                at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libstd/panicking.rs:399
[INFO] [stderr]   12:     0x55908ea0ab97 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h0bbdfaf608501e0c
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/build.rs:101
[INFO] [stderr]   13:     0x55908ea0ab97 - core::ops::function::FnOnce::call_once::h42783ffd084a34fa
[INFO] [stderr]                                at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libcore/ops/function.rs:232
[INFO] [stderr]   14:     0x55908ea1756f - lazy_static::lazy::Lazy<T>::get::{{closure}}::h5cde310da9e989b3
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31
[INFO] [stderr]   15:     0x55908ea09b45 - std::sync::once::Once::call_once::{{closure}}::he6af1571b31af293
[INFO] [stderr]                                at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libstd/sync/once.rs:264
[INFO] [stderr]   16:     0x55908ecdf781 - std::sync::once::Once::call_inner::haab4143b4d61aacc
[INFO] [stderr]                                at src/libstd/sync/once.rs:417
[INFO] [stderr]   17:     0x55908ea094d3 - std::sync::once::Once::call_once::hace6b94e842a5d72
[INFO] [stderr]                                at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libstd/sync/once.rs:264
[INFO] [stderr]   18:     0x55908ea04a65 - lazy_static::lazy::Lazy<T>::get::hc81cf1f5496c0187
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30
[INFO] [stderr]   19:     0x55908ea04a65 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hd2763ab36f47b645
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/<::lazy_static::__lazy_static_internal macros>:16
[INFO] [stderr]   20:     0x55908ea04a65 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::he9134f9d77a862ab
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/<::lazy_static::__lazy_static_internal macros>:18
[INFO] [stderr]   21:     0x55908ea01c7a - build_script_build::llvm_config::h22e3a0399bda5a52
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/build.rs:199
[INFO] [stderr]   22:     0x55908ea03110 - build_script_build::get_llvm_cflags::h4845528d0052aca0
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/build.rs:308
[INFO] [stderr]   23:     0x55908ea039a3 - build_script_build::main::hcab557ffce676d60
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/build.rs:346
[INFO] [stderr]   24:     0x55908ea0dd80 - std::rt::lang_start::{{closure}}::h84a9ce2a2d635387
[INFO] [stderr]                                at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x55908ece20e3 - std::rt::lang_start_internal::{{closure}}::h772611e6ebc1e85c
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   26:     0x55908ece20e3 - std::panicking::try::do_call::h0e021965f0ece434
[INFO] [stderr]                                at src/libstd/panicking.rs:305
[INFO] [stderr]   27:     0x55908ecea7c7 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   28:     0x55908ece2ac0 - std::panicking::try::h8a1fdc1cf4c906f9
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   29:     0x55908ece2ac0 - std::panic::catch_unwind::h799234ecf355f5d7
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   30:     0x55908ece2ac0 - std::rt::lang_start_internal::h6663d8b785e6689f
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   31:     0x55908ea0dd59 - std::rt::lang_start::h678a910f29aad38c
[INFO] [stderr]                                at /rustc/e60d9e09c55855f5a848fde8ad83e13131a5b241/src/libstd/rt.rs:67
[INFO] [stderr]   32:     0x55908ea04afa - main
[INFO] [stderr]   33:     0x7fc4a47e7b97 - __libc_start_main
[INFO] [stderr]   34:     0x55908ea009ca - _start
[INFO] [stderr]   35:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fe85b035d6300781fdcf8ddb15c27fb0effef9240f7c807a5b45f57b21498a0b"`
[INFO] running `"docker" "rm" "-f" "fe85b035d6300781fdcf8ddb15c27fb0effef9240f7c807a5b45f57b21498a0b"`
[INFO] [stdout] fe85b035d6300781fdcf8ddb15c27fb0effef9240f7c807a5b45f57b21498a0b