[INFO] fetching crate llvm-sys-wrapper 0.6.1...
[INFO] extracting crate llvm-sys-wrapper 0.6.1 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/llvm-sys-wrapper/0.6.1
[INFO] extracting crate llvm-sys-wrapper 0.6.1 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/llvm-sys-wrapper/0.6.1
[INFO] validating manifest of llvm-sys-wrapper-0.6.1 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of llvm-sys-wrapper-0.6.1 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing llvm-sys-wrapper-0.6.1
[INFO] finished frobbing llvm-sys-wrapper-0.6.1
[INFO] frobbed toml for llvm-sys-wrapper-0.6.1 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/llvm-sys-wrapper/0.6.1/Cargo.toml
[INFO] started frobbing llvm-sys-wrapper-0.6.1
[INFO] finished frobbing llvm-sys-wrapper-0.6.1
[INFO] frobbed toml for llvm-sys-wrapper-0.6.1 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/llvm-sys-wrapper/0.6.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking llvm-sys-wrapper-0.6.1 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-4/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/llvm-sys-wrapper/0.6.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bc4ac001dfb359d0ddce6508ee9ba2d1a7cb8dbfdfc6784c39beccb69950adb6
[INFO] running `"docker" "start" "-a" "bc4ac001dfb359d0ddce6508ee9ba2d1a7cb8dbfdfc6784c39beccb69950adb6"`
[INFO] [stderr]    Compiling llvm-sys-wrapper v0.6.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling llvm-sys v60.4.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v60.4.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-83db4804a536a9e6/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 6.0.0.
[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_60_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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.0/build.rs:63:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55a1af0d5e2b - backtrace::backtrace::libunwind::trace::h00e2f01ca6755a19
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55a1af0d5e2b - backtrace::backtrace::trace_unsynchronized::hc2e55f9123c24578
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a1af0d5e2b - std::sys_common::backtrace::_print::h878d975ca669e1b4
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55a1af0d5e2b - std::sys_common::backtrace::print::h1b2f6b4885b021f3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55a1af0d5e2b - std::panicking::default_hook::{{closure}}::he9ab19abef5c787f
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x55a1af0d5b2c - std::panicking::default_hook::h9b73316e8577c3fa
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x55a1af0d65a0 - std::panicking::rust_panic_with_hook::he062866264d328c5
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x55a1af03dde8 - std::panicking::begin_panic::h05f29babdcee4475
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x55a1aee795ca - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h8d04c02cef0d396d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.0/build.rs:63
[INFO] [stderr]    9:     0x55a1aee795ca - core::ops::function::FnOnce::call_once::hf863602684d5c6c4
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x55a1aee7db72 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h543debb4c6c4773f
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:28
[INFO] [stderr]   11:     0x55a1aee77d2b - std::sync::once::Once::call_once::{{closure}}::h729de12b4c6dc540
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x55a1af0d3156 - std::sync::once::Once::call_inner::h3d1b51192d326084
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x55a1aee77c0d - std::sync::once::Once::call_once::h6d671bca238770b6
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x55a1aee75312 - lazy_static::lazy::Lazy<T>::get::hed1f3d3ff139604b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.3.0/src/inline_lazy.rs:27
[INFO] [stderr]   15:     0x55a1aee75312 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hca1223f02e99b7bf
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.0/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stderr]   16:     0x55a1aee75312 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hd6eb3ce3678e2ccf
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.0/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stderr]   17:     0x55a1aee7298a - build_script_build::llvm_config::h9c18c4b3da953eaf
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.0/build.rs:150
[INFO] [stderr]   18:     0x55a1aee740a0 - build_script_build::get_llvm_cflags::h41b4524f8416c115
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.0/build.rs:259
[INFO] [stderr]   19:     0x55a1aee7449e - build_script_build::main::h4f2e25cc5aea97fa
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.0/build.rs:289
[INFO] [stderr]   20:     0x55a1aee7bd10 - std::rt::lang_start::{{closure}}::h8549fbc21e80e163
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55a1af0d5fa3 - std::rt::lang_start_internal::{{closure}}::hac4055a4b24c3806
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   22:     0x55a1af0d5fa3 - std::panicking::try::do_call::h0bdfdef338a7b8de
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   23:     0x55a1af0debca - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   24:     0x55a1af0d6aad - std::panicking::try::h5986cc11523af350
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   25:     0x55a1af0d6aad - std::panic::catch_unwind::h5e6e2d11127cecca
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   26:     0x55a1af0d6aad - std::rt::lang_start_internal::hd1ad303a81183dc4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   27:     0x55a1aee7bce9 - std::rt::lang_start::h1deeb81936bb7ccf
[INFO] [stderr]                                at /rustc/d3301713b54af69ca9de941a8c6b0d8287dbd6df/src/libstd/rt.rs:64
[INFO] [stderr]   28:     0x55a1aee753aa - main
[INFO] [stderr]   29:     0x7f898c6c52e1 - __libc_start_main
[INFO] [stderr]   30:     0x55a1aee7171a - _start
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "bc4ac001dfb359d0ddce6508ee9ba2d1a7cb8dbfdfc6784c39beccb69950adb6"`
[INFO] running `"docker" "rm" "-f" "bc4ac001dfb359d0ddce6508ee9ba2d1a7cb8dbfdfc6784c39beccb69950adb6"`
[INFO] [stdout] bc4ac001dfb359d0ddce6508ee9ba2d1a7cb8dbfdfc6784c39beccb69950adb6