[INFO] crate llvm-wrap 0.2.5 is already in cache
[INFO] extracting crate llvm-wrap 0.2.5 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/llvm-wrap/0.2.5
[INFO] extracting crate llvm-wrap 0.2.5 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/llvm-wrap/0.2.5
[INFO] validating manifest of llvm-wrap-0.2.5 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of llvm-wrap-0.2.5 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing llvm-wrap-0.2.5
[INFO] finished frobbing llvm-wrap-0.2.5
[INFO] frobbed toml for llvm-wrap-0.2.5 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/llvm-wrap/0.2.5/Cargo.toml
[INFO] started frobbing llvm-wrap-0.2.5
[INFO] finished frobbing llvm-wrap-0.2.5
[INFO] frobbed toml for llvm-wrap-0.2.5 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/llvm-wrap/0.2.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "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 `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking llvm-wrap-0.2.5 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/llvm-wrap/0.2.5:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5b84570ce4a87fd1bf15e9037f02bffaebb1e2044319311af260a6baf2fe77bc
[INFO] running `"docker" "start" "-a" "5b84570ce4a87fd1bf15e9037f02bffaebb1e2044319311af260a6baf2fe77bc"`
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling llvm-sys v50.3.1
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v50.3.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-fce2196004b12536/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 5.0.1.
[INFO] [stderr] Didn't find usable system-wide LLVM.
[INFO] [stderr] LLVM_SYS_50_PREFIX not set, not using precompiled binaries
[INFO] [stderr] LLVM_SYS_50_AUTOBUILD not set, will not automatically compile LLVM
[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-50.3.1/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5617d280dbcb - backtrace::backtrace::libunwind::trace::h3a6a6e8afb7ff2de
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5617d280dbcb - backtrace::backtrace::trace_unsynchronized::h2220292c79f07c05
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5617d280dbcb - std::sys_common::backtrace::_print::h8ff1c2c5cb3b84f7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5617d280dbcb - std::sys_common::backtrace::print::h2254c58d69a73304
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5617d280dbcb - std::panicking::default_hook::{{closure}}::hc21cbd062363cef6
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5617d280d8a6 - std::panicking::default_hook::hfea076cda52c2914
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5617d280e33d - std::panicking::rust_panic_with_hook::h746830f9f479e849
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5617d2775eb5 - std::panicking::begin_panic::h51faee016eb6c5a6
[INFO] [stderr]                                at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x5617d25b6bd6 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h85a7d9a29801a8dc
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs:77
[INFO] [stderr]    9:     0x5617d25b6bd6 - core::ops::function::FnOnce::call_once::hab73f88a966c8516
[INFO] [stderr]                                at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x5617d25b5673 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h84d1b6ad663eba4d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   11:     0x5617d25b5acb - std::sync::once::Once::call_once::{{closure}}::hc05c3b582c92a639
[INFO] [stderr]                                at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x5617d280aeb8 - std::sync::once::Once::call_inner::h311c5ec419ddd1fd
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x5617d25b5a53 - std::sync::once::Once::call_once::h6a858cb48e66158f
[INFO] [stderr]                                at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x5617d25b3111 - lazy_static::lazy::Lazy<T>::get::h0a93661f19acf489
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   15:     0x5617d25b3111 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hcf4b4688d463f308
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/<::lazy_static::__lazy_static_internal macros>:20
[INFO] [stderr]   16:     0x5617d25b3111 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h2e8286a4351172dd
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/<::lazy_static::__lazy_static_internal macros>:22
[INFO] [stderr]   17:     0x5617d25b0aaa - build_script_build::llvm_config::hcf173a5d35d13a1d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs:164
[INFO] [stderr]   18:     0x5617d25b2100 - build_script_build::get_llvm_cflags::h1bd462845935f9c1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs:273
[INFO] [stderr]   19:     0x5617d25b24fe - build_script_build::main::hd2b7f70f099f8ccb
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-50.3.1/build.rs:298
[INFO] [stderr]   20:     0x5617d25b5850 - std::rt::lang_start::{{closure}}::h9e3f6bb977fe5aa6
[INFO] [stderr]                                at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5617d280dd43 - std::rt::lang_start_internal::{{closure}}::h14c5bec2472d54ad
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   22:     0x5617d280dd43 - std::panicking::try::do_call::h88f516924fc6a288
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   23:     0x5617d28164ba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   24:     0x5617d280e84d - std::panicking::try::ha613ca8bf0a1302a
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   25:     0x5617d280e84d - std::panic::catch_unwind::h68d4ca98047bc7c5
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   26:     0x5617d280e84d - std::rt::lang_start_internal::h600c3ba1b556e68a
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   27:     0x5617d25b5829 - std::rt::lang_start::h1bc3650bdaa440b5
[INFO] [stderr]                                at /rustc/266783e4e09e4e9d5307c1c8e695659c58bbcac7/src/libstd/rt.rs:64
[INFO] [stderr]   28:     0x5617d25b315a - main
[INFO] [stderr]   29:     0x7f023c8462e1 - __libc_start_main
[INFO] [stderr]   30:     0x5617d25af89a - _start
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "5b84570ce4a87fd1bf15e9037f02bffaebb1e2044319311af260a6baf2fe77bc"`
[INFO] running `"docker" "rm" "-f" "5b84570ce4a87fd1bf15e9037f02bffaebb1e2044319311af260a6baf2fe77bc"`
[INFO] [stdout] 5b84570ce4a87fd1bf15e9037f02bffaebb1e2044319311af260a6baf2fe77bc