[INFO] crate llvm-ir 0.2.1 is already in cache
[INFO] extracting crate llvm-ir 0.2.1 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/llvm-ir/0.2.1
[INFO] extracting crate llvm-ir 0.2.1 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/llvm-ir/0.2.1
[INFO] validating manifest of llvm-ir-0.2.1 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of llvm-ir-0.2.1 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing llvm-ir-0.2.1
[INFO] finished frobbing llvm-ir-0.2.1
[INFO] frobbed toml for llvm-ir-0.2.1 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/llvm-ir/0.2.1/Cargo.toml
[INFO] started frobbing llvm-ir-0.2.1
[INFO] finished frobbing llvm-ir-0.2.1
[INFO] frobbed toml for llvm-ir-0.2.1 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/llvm-ir/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking llvm-ir-0.2.1 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-5/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/llvm-ir/0.2.1:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 29fd16ea4a8aad59b7f38b87767cec9a4fd4ca8ecd50dc46f4ad5e54bb1e24d6
[INFO] running `"docker" "start" "-a" "29fd16ea4a8aad59b7f38b87767cec9a4fd4ca8ecd50dc46f4ad5e54bb1e24d6"`
[INFO] [stderr]    Compiling llvm-sys v80.1.1
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v80.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-56f137e0aa64499d/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 3.8.0 on PATH, but need 8.0.1.
[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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/build.rs:101:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5628cf09c73b - backtrace::backtrace::libunwind::trace::h098b67cd5ecf24d4
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5628cf09c73b - backtrace::backtrace::trace_unsynchronized::h41f8ecb0b6b75123
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5628cf09c73b - std::sys_common::backtrace::_print::h6bdd5779472ab8c6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5628cf09c73b - std::sys_common::backtrace::print::h535418cbcfd3b064
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5628cf09c73b - std::panicking::default_hook::{{closure}}::h8962ad5cd6daeea4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5628cf09c416 - std::panicking::default_hook::h39b428958abf2606
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5628cf09cead - std::panicking::rust_panic_with_hook::hec5b145cd2b2dbe3
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5628cf047d95 - std::panicking::begin_panic::hacfd67827b2ae319
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x5628cedb76d0 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h9c7f6b19a7e646d1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/build.rs:101
[INFO] [stderr]    9:     0x5628cedb76d0 - core::ops::function::FnOnce::call_once::h8e0b3cfd8248a685
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x5628cedc737f - lazy_static::lazy::Lazy<T>::get::{{closure}}::h8e92b5107006c46f
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:31
[INFO] [stderr]   11:     0x5628cedbab0b - std::sync::once::Once::call_once::{{closure}}::h9d28590ebfc3009e
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x5628cf099a28 - std::sync::once::Once::call_inner::h3f37b66baa8ee4e9
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x5628cedba833 - std::sync::once::Once::call_once::hbda798a7282cadfd
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x5628cedb2985 - lazy_static::lazy::Lazy<T>::get::hc797d6c7acdf155d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.4.0/src/inline_lazy.rs:30
[INFO] [stderr]   15:     0x5628cedb2985 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hc912efa1ddaca90a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/<::lazy_static::__lazy_static_internal macros>:17
[INFO] [stderr]   16:     0x5628cedb2985 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h1e48ffda07e7e04a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/<::lazy_static::__lazy_static_internal macros>:19
[INFO] [stderr]   17:     0x5628cedaf9ea - build_script_build::llvm_config::h05ac47fe93495ad8
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/build.rs:199
[INFO] [stderr]   18:     0x5628cedb1060 - build_script_build::get_llvm_cflags::h91d1d256695cdb9b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/build.rs:308
[INFO] [stderr]   19:     0x5628cedb18b8 - build_script_build::main::he7798878928f2e4f
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-80.1.1/build.rs:346
[INFO] [stderr]   20:     0x5628cedbbd60 - std::rt::lang_start::{{closure}}::h398831650fe2a177
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5628cf09c8b3 - std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   22:     0x5628cf09c8b3 - std::panicking::try::do_call::h23b1282500223f6a
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   23:     0x5628cf0a4fda - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   24:     0x5628cf09d3bd - std::panicking::try::hf851d9cd2a46569f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   25:     0x5628cf09d3bd - std::panic::catch_unwind::h38ad47fd47b8a319
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   26:     0x5628cf09d3bd - std::rt::lang_start_internal::h8489a7c3e11328c4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   27:     0x5628cedbbd39 - std::rt::lang_start::h5ab5f06f74c5296f
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   28:     0x5628cedb2a0a - main
[INFO] [stderr]   29:     0x7f5760cea2e1 - __libc_start_main
[INFO] [stderr]   30:     0x5628cedae86a - _start
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "29fd16ea4a8aad59b7f38b87767cec9a4fd4ca8ecd50dc46f4ad5e54bb1e24d6"`
[INFO] running `"docker" "rm" "-f" "29fd16ea4a8aad59b7f38b87767cec9a4fd4ca8ecd50dc46f4ad5e54bb1e24d6"`
[INFO] [stdout] 29fd16ea4a8aad59b7f38b87767cec9a4fd4ca8ecd50dc46f4ad5e54bb1e24d6