[INFO] crate jcompiler 0.1.0 is already in cache
[INFO] extracting crate jcompiler 0.1.0 into work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/jcompiler/0.1.0
[INFO] extracting crate jcompiler 0.1.0 into work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/jcompiler/0.1.0
[INFO] validating manifest of jcompiler-0.1.0 on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jcompiler-0.1.0 on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jcompiler-0.1.0
[INFO] finished frobbing jcompiler-0.1.0
[INFO] frobbed toml for jcompiler-0.1.0 written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/reg/jcompiler/0.1.0/Cargo.toml
[INFO] started frobbing jcompiler-0.1.0
[INFO] finished frobbing jcompiler-0.1.0
[INFO] frobbed toml for jcompiler-0.1.0 written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/jcompiler/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jcompiler-0.1.0 against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-2/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/reg/jcompiler/0.1.0:/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3e3caa2d2eeefe62343e8224448ec403a26b46b2543fffa4d92f73c3266d4751
[INFO] running `"docker" "start" "-a" "3e3caa2d2eeefe62343e8224448ec403a26b46b2543fffa4d92f73c3266d4751"`
[INFO] [stderr]    Compiling llvm-sys v70.2.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v70.2.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-fd972e27e88f8b2d/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 7.0.0.
[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_70_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-70.2.0/build.rs:73:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5564f5c05ecb - backtrace::backtrace::libunwind::trace::h070e7f82042bca1a
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5564f5c05ecb - backtrace::backtrace::trace_unsynchronized::he13049b85698ba8d
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5564f5c05ecb - std::sys_common::backtrace::_print::h634e2ea8248267c1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5564f5c05ecb - std::sys_common::backtrace::print::h5d5de2cf218c89a7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5564f5c05ecb - std::panicking::default_hook::{{closure}}::h43b79773c0c0f232
[INFO] [stderr]                                at src/libstd/panicking.rs:198
[INFO] [stderr]    5:     0x5564f5c05bcc - std::panicking::default_hook::h53bc9afd22fb35b5
[INFO] [stderr]                                at src/libstd/panicking.rs:212
[INFO] [stderr]    6:     0x5564f5c06640 - std::panicking::rust_panic_with_hook::h49c2fb11d2e8b48c
[INFO] [stderr]                                at src/libstd/panicking.rs:475
[INFO] [stderr]    7:     0x5564f5b6d988 - std::panicking::begin_panic::h9e17f0c975c7d4d0
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/panicking.rs:409
[INFO] [stderr]    8:     0x5564f594c86d - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h94661e2416d92d87
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:73
[INFO] [stderr]    9:     0x5564f594c86d - core::ops::function::FnOnce::call_once::h7387c73059d55cbc
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x5564f594ec32 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h94d6c6206340641c
[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:     0x5564f594fa2b - std::sync::once::Once::call_once::{{closure}}::h9da257483eb216c2
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/sync/once.rs:220
[INFO] [stderr]   12:     0x5564f5c031f6 - std::sync::once::Once::call_inner::h677dc0ff90b355a2
[INFO] [stderr]                                at src/libstd/sync/once.rs:387
[INFO] [stderr]   13:     0x5564f594f90d - std::sync::once::Once::call_once::h7b9395b8d9aa4dde
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/sync/once.rs:220
[INFO] [stderr]   14:     0x5564f5946d02 - lazy_static::lazy::Lazy<T>::get::h6202455febb732c6
[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:     0x5564f5946d02 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h05b277fb257773ca
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stderr]   16:     0x5564f5946d02 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h0a0db3b6d784cef9
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stderr]   17:     0x5564f59442aa - build_script_build::llvm_config::h0ca98a2b4db0a59b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:167
[INFO] [stderr]   18:     0x5564f59459f0 - build_script_build::get_llvm_cflags::h2900afa4fa14f66e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:273
[INFO] [stderr]   19:     0x5564f5945dee - build_script_build::main::hb63207a14a19fad2
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.2.0/build.rs:305
[INFO] [stderr]   20:     0x5564f594b4e0 - std::rt::lang_start::{{closure}}::h2a8a1fe02e16156b
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x5564f5c06043 - std::rt::lang_start_internal::{{closure}}::h3433d02b763cc1cc
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   22:     0x5564f5c06043 - std::panicking::try::do_call::h1bd2814d0b730969
[INFO] [stderr]                                at src/libstd/panicking.rs:294
[INFO] [stderr]   23:     0x5564f5c0ec9a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   24:     0x5564f5c06b4d - std::panicking::try::hf899646d63b90b29
[INFO] [stderr]                                at src/libstd/panicking.rs:273
[INFO] [stderr]   25:     0x5564f5c06b4d - std::panic::catch_unwind::ha1af529349fbe3dc
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   26:     0x5564f5c06b4d - std::rt::lang_start_internal::he5b58aa1d492830f
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   27:     0x5564f594b4b9 - std::rt::lang_start::hee3a09ccdc2cc506
[INFO] [stderr]                                at /rustc/af22dfc7f56a5057c6b6120a65c74e7b6c1530af/src/libstd/rt.rs:64
[INFO] [stderr]   28:     0x5564f5946d9a - main
[INFO] [stderr]   29:     0x7f98621632e1 - __libc_start_main
[INFO] [stderr]   30:     0x5564f5942eea - _start
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "3e3caa2d2eeefe62343e8224448ec403a26b46b2543fffa4d92f73c3266d4751"`
[INFO] running `"docker" "rm" "-f" "3e3caa2d2eeefe62343e8224448ec403a26b46b2543fffa4d92f73c3266d4751"`
[INFO] [stdout] 3e3caa2d2eeefe62343e8224448ec403a26b46b2543fffa4d92f73c3266d4751