[INFO] crate solang 0.1.0 is already in cache
[INFO] checking solang-0.1.0 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate solang 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate solang 0.1.0 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate solang 0.1.0
[INFO] finished tweaking crates.io crate solang 0.1.0
[INFO] tweaked toml for crates.io crate solang 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4acf40006ef1300ec5c2604bc6889b89c341d45f8ab0ad93ede9cfc4bc63daca
[INFO] running `"docker" "start" "-a" "4acf40006ef1300ec5c2604bc6889b89c341d45f8ab0ad93ede9cfc4bc63daca"`
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking unescape v0.1.0
[INFO] [stderr]     Checking parity-wasm v0.35.7
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling llvm-sys v80.1.2
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking impl-serde v0.2.3
[INFO] [stderr]     Checking ethereum-types-serialize v0.2.2
[INFO] [stderr]     Checking rlp v0.4.4
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking impl-rlp v0.2.1
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.5.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking ethbloom v0.6.4
[INFO] [stderr]    Compiling phf_generator v0.7.24
[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-d028818c06c7a933/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:     0x55bfd3737468 - backtrace::backtrace::libunwind::trace::h2e8c2dc2de171fe2
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55bfd3737468 - backtrace::backtrace::trace_unsynchronized::h7aa4c132b10c7ee3
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55bfd3737468 - std::sys_common::backtrace::_print_fmt::h1942b7aafbde352f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:77
[INFO] [stderr]    3:     0x55bfd3737468 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h95769d76088227e3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]    4:     0x55bfd375822c - core::fmt::write::h5449cc1bc822e495
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1052
[INFO] [stderr]    5:     0x55bfd3733437 - std::io::Write::write_fmt::h84f4214f658d281c
[INFO] [stderr]                                at src/libstd/io/mod.rs:1428
[INFO] [stderr]    6:     0x55bfd3739d55 - std::sys_common::backtrace::_print::h6dc1123e98efaa83
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]    7:     0x55bfd3739d55 - std::sys_common::backtrace::print::hedc9d8b1887612e4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55bfd3739d55 - std::panicking::default_hook::{{closure}}::hd2554eb10d7a19f9
[INFO] [stderr]                                at src/libstd/panicking.rs:204
[INFO] [stderr]    9:     0x55bfd3739a96 - std::panicking::default_hook::haccd3e09b604f2d2
[INFO] [stderr]                                at src/libstd/panicking.rs:224
[INFO] [stderr]   10:     0x55bfd373a3b2 - std::panicking::rust_panic_with_hook::h9df121a4b9c153a9
[INFO] [stderr]                                at src/libstd/panicking.rs:470
[INFO] [stderr]   11:     0x55bfd36f06db - std::panicking::begin_panic::h12ad6893896e9ec7
[INFO] [stderr]                                at /rustc/f149601db42efe10ece8b284ab681fd4a6fcb89c/src/libstd/panicking.rs:397
[INFO] [stderr]   12:     0x55bfd348c25c - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::hae460b901974b643
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/build.rs:101
[INFO] [stderr]   13:     0x55bfd348c25c - core::ops::function::FnOnce::call_once::hfa4df5be056aed6e
[INFO] [stderr]                                at /rustc/f149601db42efe10ece8b284ab681fd4a6fcb89c/src/libcore/ops/function.rs:232
[INFO] [stderr]   14:     0x55bfd3493660 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h82a07d2800f367cf
[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:     0x55bfd3488787 - std::sync::once::Once::call_once::{{closure}}::ha061a61dccae8414
[INFO] [stderr]                                at /rustc/f149601db42efe10ece8b284ab681fd4a6fcb89c/src/libstd/sync/once.rs:264
[INFO] [stderr]   16:     0x55bfd3736f88 - std::sync::once::Once::call_inner::hfa6140d01cd52263
[INFO] [stderr]                                at src/libstd/sync/once.rs:417
[INFO] [stderr]   17:     0x55bfd3488463 - std::sync::once::Once::call_once::hd0fa3162ea25e553
[INFO] [stderr]                                at /rustc/f149601db42efe10ece8b284ab681fd4a6fcb89c/src/libstd/sync/once.rs:264
[INFO] [stderr]   18:     0x55bfd34863e5 - lazy_static::lazy::Lazy<T>::get::h17148506dd14cead
[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:     0x55bfd34863e5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h32c197f961627332
[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:     0x55bfd34863e5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h39ab0a6b0f89ac15
[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:     0x55bfd348356a - build_script_build::llvm_config::h615f08cd20b783e9
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/build.rs:199
[INFO] [stderr]   22:     0x55bfd3484a40 - build_script_build::get_llvm_cflags::hfde6763ee1a6e8a8
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/build.rs:308
[INFO] [stderr]   23:     0x55bfd34852e3 - build_script_build::main::h0aa09a490156b9f3
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.2/build.rs:346
[INFO] [stderr]   24:     0x55bfd3489e70 - std::rt::lang_start::{{closure}}::h26ed557a8a3bcd88
[INFO] [stderr]                                at /rustc/f149601db42efe10ece8b284ab681fd4a6fcb89c/src/libstd/rt.rs:67
[INFO] [stderr]   25:     0x55bfd3739e73 - std::rt::lang_start_internal::{{closure}}::hb14eb9c0c678a8cb
[INFO] [stderr]                                at src/libstd/rt.rs:52
[INFO] [stderr]   26:     0x55bfd3739e73 - std::panicking::try::do_call::h1c64a799be75ef67
[INFO] [stderr]                                at src/libstd/panicking.rs:303
[INFO] [stderr]   27:     0x55bfd37427e7 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:86
[INFO] [stderr]   28:     0x55bfd373a859 - std::panicking::try::h98fa498825d75aa7
[INFO] [stderr]                                at src/libstd/panicking.rs:281
[INFO] [stderr]   29:     0x55bfd373a859 - std::panic::catch_unwind::h480b3762cc3fd11f
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   30:     0x55bfd373a859 - std::rt::lang_start_internal::h90fbd8b8afb10fb4
[INFO] [stderr]                                at src/libstd/rt.rs:51
[INFO] [stderr]   31:     0x55bfd3489e49 - std::rt::lang_start::h6e4e73a561454445
[INFO] [stderr]                                at /rustc/f149601db42efe10ece8b284ab681fd4a6fcb89c/src/libstd/rt.rs:67
[INFO] [stderr]   32:     0x55bfd348647a - main
[INFO] [stderr]   33:     0x7f6a8b116b97 - __libc_start_main
[INFO] [stderr]   34:     0x55bfd34822ba - _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" "4acf40006ef1300ec5c2604bc6889b89c341d45f8ab0ad93ede9cfc4bc63daca"`
[INFO] running `"docker" "rm" "-f" "4acf40006ef1300ec5c2604bc6889b89c341d45f8ab0ad93ede9cfc4bc63daca"`
[INFO] [stdout] 4acf40006ef1300ec5c2604bc6889b89c341d45f8ab0ad93ede9cfc4bc63daca