[INFO] updating cached repository wabain/rstarc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wabain/rstarc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wabain/rstarc" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/wabain/rstarc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/wabain/rstarc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wabain/rstarc" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/wabain/rstarc"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/wabain/rstarc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88340f53aa6769b0c9063a0fe7107cd796f1e8de
[INFO] sha for GitHub repo wabain/rstarc: 88340f53aa6769b0c9063a0fe7107cd796f1e8de
[INFO] validating manifest of wabain/rstarc 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 wabain/rstarc 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 wabain/rstarc
[INFO] finished frobbing wabain/rstarc
[INFO] frobbed toml for wabain/rstarc written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/wabain/rstarc/Cargo.toml
[INFO] started frobbing wabain/rstarc
[INFO] finished frobbing wabain/rstarc
[INFO] frobbed toml for wabain/rstarc written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/wabain/rstarc/Cargo.toml
[INFO] crate wabain/rstarc already has a lockfile, it will not be regenerated
[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 wabain/rstarc against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/wabain/rstarc:/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] aa3fb0c4cc5df527430843f39041d1fe7d3e4d3b8d07d568611f41aeeff5d65a
[INFO] running `"docker" "start" "-a" "aa3fb0c4cc5df527430843f39041d1fe7d3e4d3b8d07d568611f41aeeff5d65a"`
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling lalrpop-util v0.15.2
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.4
[INFO] [stderr]    Compiling phf_shared v0.7.22
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling atty v0.1.2
[INFO] [stderr]    Compiling digest v0.7.5
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling string_cache_codegen v0.4.1
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling llvm-sys v60.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v60.1.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-ffbd1361f2988db6/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] LLVM_SYS_60_PREFIX not set, not using precompiled binaries
[INFO] [stderr] LLVM_SYS_60_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-60.1.0/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56028958278b - 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:     0x56028958278b - 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:     0x56028958278b - std::sys_common::backtrace::_print::h6bdd5779472ab8c6
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x56028958278b - std::sys_common::backtrace::print::h535418cbcfd3b064
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x56028958278b - std::panicking::default_hook::{{closure}}::h8962ad5cd6daeea4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x560289582466 - std::panicking::default_hook::h39b428958abf2606
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x560289582efd - std::panicking::rust_panic_with_hook::hec5b145cd2b2dbe3
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5602894fbe25 - std::panicking::begin_panic::h3f4fc310c5e176ad
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x560289364f12 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h126f0cc08a0dc419
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.1.0/build.rs:77
[INFO] [stderr]    9:     0x560289364f12 - core::ops::function::FnOnce::call_once::h55ca58da8f40c291
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x560289363853 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h457d92b6a13f89bb
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.2/src/lazy.rs:24
[INFO] [stderr]   11:     0x560289363b3b - std::sync::once::Once::call_once::{{closure}}::h8e7c63fe59ceff1e
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x56028957fac8 - std::sync::once::Once::call_inner::h3f37b66baa8ee4e9
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x5602893639d3 - std::sync::once::Once::call_once::h010eb1f19b6d0d36
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x5602893612f1 - lazy_static::lazy::Lazy<T>::get::h6237724a10bd646a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-1.0.2/src/lazy.rs:23
[INFO] [stderr]   15:     0x5602893612f1 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h8cbe248e8466b23c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.1.0/<::lazy_static::__lazy_static_internal macros>:20
[INFO] [stderr]   16:     0x5602893612f1 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hc22b472a0c4ec38a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.1.0/<::lazy_static::__lazy_static_internal macros>:22
[INFO] [stderr]   17:     0x56028935ec9a - build_script_build::llvm_config::hb5d63567f0ae7c7b
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.1.0/build.rs:164
[INFO] [stderr]   18:     0x5602893606e3 - build_script_build::main::hfd4d4656016e9708
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.1.0/build.rs:296
[INFO] [stderr]   19:     0x560289369390 - std::rt::lang_start::{{closure}}::hda9716af25ddebd8
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x560289582903 - std::rt::lang_start_internal::{{closure}}::h1d5b2f63d8aab9e2
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x560289582903 - std::panicking::try::do_call::h23b1282500223f6a
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   22:     0x56028958acba - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   23:     0x56028958340d - std::panicking::try::hf851d9cd2a46569f
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   24:     0x56028958340d - std::panic::catch_unwind::h38ad47fd47b8a319
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x56028958340d - std::rt::lang_start_internal::h8489a7c3e11328c4
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x560289369369 - std::rt::lang_start::h48e5ca4ff076f63c
[INFO] [stderr]                                at /rustc/757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x56028936133a - main
[INFO] [stderr]   28:     0x7f90be04c2e1 - __libc_start_main
[INFO] [stderr]   29:     0x56028935da9a - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "aa3fb0c4cc5df527430843f39041d1fe7d3e4d3b8d07d568611f41aeeff5d65a"`
[INFO] running `"docker" "rm" "-f" "aa3fb0c4cc5df527430843f39041d1fe7d3e4d3b8d07d568611f41aeeff5d65a"`
[INFO] [stdout] aa3fb0c4cc5df527430843f39041d1fe7d3e4d3b8d07d568611f41aeeff5d65a