[INFO] updating cached repository fexolm/jfec
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/fexolm/jfec
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/fexolm/jfec" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/fexolm/jfec"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/fexolm/jfec'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/fexolm/jfec" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/fexolm/jfec"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/fexolm/jfec'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6de42e1766324b065d6ef53eb278677017d115bc
[INFO] sha for GitHub repo fexolm/jfec: 6de42e1766324b065d6ef53eb278677017d115bc
[INFO] validating manifest of fexolm/jfec on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fexolm/jfec on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fexolm/jfec
[INFO] finished frobbing fexolm/jfec
[INFO] frobbed toml for fexolm/jfec written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/fexolm/jfec/Cargo.toml
[INFO] started frobbing fexolm/jfec
[INFO] finished frobbing fexolm/jfec
[INFO] frobbed toml for fexolm/jfec written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/fexolm/jfec/Cargo.toml
[INFO] crate fexolm/jfec already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking fexolm/jfec against master#6ea4036cd20a4b1ab1d56e555108c21735ff6946 for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-7/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/fexolm/jfec:/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" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d9ab3b3bc5da6f5fb61096bdb17565a1e0eb0580587a6f7b15f72c2b7f12d9f3
[INFO] running `"docker" "start" "-a" "d9ab3b3bc5da6f5fb61096bdb17565a1e0eb0580587a6f7b15f72c2b7f12d9f3"`
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]     Checking itertools v0.5.10
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking simplelog v0.4.4
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking criterion-stats v0.1.3
[INFO] [stderr]     Checking criterion-plot v0.1.3
[INFO] [stderr]     Checking criterion v0.1.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling llvm-sys v70.1.0
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v70.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-76751b565908378e/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-70.1.0/build.rs:73:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55eb1efd826b - backtrace::backtrace::libunwind::trace::h399a7a5a1c92b2d8
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55eb1efd826b - backtrace::backtrace::trace_unsynchronized::h76e29b9231dd0873
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55eb1efd826b - std::sys_common::backtrace::_print::hb092bf553e068953
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55eb1efd826b - std::sys_common::backtrace::print::h3407b08071f3f520
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55eb1efd826b - std::panicking::default_hook::{{closure}}::hc3b8cf51c83ab26e
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55eb1efd7f47 - std::panicking::default_hook::h54ef93848f2476c8
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55eb1efd89e0 - std::panicking::rust_panic_with_hook::hf0df85aa51810823
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55eb1ef410e8 - std::panicking::begin_panic::h8ecca5f27eca8a52
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x55eb1ed1fe31 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h5b1454574ca758f6
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:73
[INFO] [stderr]    9:     0x55eb1ed1fe31 - core::ops::function::FnOnce::call_once::h69dfc29174258463
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libcore/ops/function.rs:231
[INFO] [stderr]   10:     0x55eb1ed2d722 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h48e813569d916f6a
[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:     0x55eb1ed2348b - std::sync::once::Once::call_once::{{closure}}::h3a5a1526e1b0e376
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x55eb1efd5624 - std::sync::once::Once::call_inner::h9c53888e7e27f313
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x55eb1ed23363 - std::sync::once::Once::call_once::hd1fefeeebcb557d7
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x55eb1ed1a2d2 - lazy_static::lazy::Lazy<T>::get::h4b2b2ba915e239bd
[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:     0x55eb1ed1a2d2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h61c64abdae007ffa
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/<::lazy_static::__lazy_static_internal macros>:12
[INFO] [stderr]   16:     0x55eb1ed1a2d2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h25368f380d5b72b1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/<::lazy_static::__lazy_static_internal macros>:13
[INFO] [stderr]   17:     0x55eb1ed17a6a - build_script_build::llvm_config::h6669babc2a4ec67b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:167
[INFO] [stderr]   18:     0x55eb1ed191a0 - build_script_build::get_llvm_cflags::h05698b2c7ee6c79c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:273
[INFO] [stderr]   19:     0x55eb1ed1959e - build_script_build::main::hb88f678d1fcb661b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-70.1.0/build.rs:300
[INFO] [stderr]   20:     0x55eb1ed1f090 - std::rt::lang_start::{{closure}}::hc110839bdfedee20
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55eb1efd83e3 - std::rt::lang_start_internal::{{closure}}::he78638434283b545
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   22:     0x55eb1efd83e3 - std::panicking::try::do_call::h355c93ec0a462271
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   23:     0x55eb1efe0b5a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   24:     0x55eb1efd8eed - std::panicking::try::h3918ed6cf08237ff
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   25:     0x55eb1efd8eed - std::panic::catch_unwind::h8b2e693598ba7028
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   26:     0x55eb1efd8eed - std::rt::lang_start_internal::h78590588d24f24ba
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   27:     0x55eb1ed1f069 - std::rt::lang_start::ha30570f15ac181be
[INFO] [stderr]                                at /rustc/6ea4036cd20a4b1ab1d56e555108c21735ff6946/src/libstd/rt.rs:64
[INFO] [stderr]   28:     0x55eb1ed1a36a - main
[INFO] [stderr]   29:     0x7fa3dda032e1 - __libc_start_main
[INFO] [stderr]   30:     0x55eb1ed166aa - _start
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "d9ab3b3bc5da6f5fb61096bdb17565a1e0eb0580587a6f7b15f72c2b7f12d9f3"`
[INFO] running `"docker" "rm" "-f" "d9ab3b3bc5da6f5fb61096bdb17565a1e0eb0580587a6f7b15f72c2b7f12d9f3"`
[INFO] [stdout] d9ab3b3bc5da6f5fb61096bdb17565a1e0eb0580587a6f7b15f72c2b7f12d9f3