[INFO] updating cached repository P1start/753
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/P1start/753
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/P1start/753" "work/ex/beta-1.38-1/sources/1.37.0/gh/P1start/753"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/P1start/753'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/P1start/753" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/P1start/753"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/P1start/753'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a8665b11724bba0bed27fdabecefe850480d4f85
[INFO] sha for GitHub repo P1start/753: a8665b11724bba0bed27fdabecefe850480d4f85
[INFO] validating manifest of P1start/753 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of P1start/753 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing P1start/753
[INFO] finished frobbing P1start/753
[INFO] frobbed toml for P1start/753 written to work/ex/beta-1.38-1/sources/1.37.0/gh/P1start/753/Cargo.toml
[INFO] started frobbing P1start/753
[INFO] finished frobbing P1start/753
[INFO] frobbed toml for P1start/753 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/P1start/753/Cargo.toml
[INFO] crate P1start/753 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing P1start/753 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/P1start/753:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 81b56692b736f3b3420c694c0543c35bc00d7f0aac62f6ed3d87e5a89ef049d1
[INFO] running `"docker" "start" "-a" "81b56692b736f3b3420c694c0543c35bc00d7f0aac62f6ed3d87e5a89ef049d1"`
[INFO] [stderr]    Compiling llvm-sys v40.0.5
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v40.0.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-d1d3775bb676a419/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.1 on PATH, but need 4.0.5.
[INFO] [stderr] Didn't find usable system-wide LLVM.
[INFO] [stderr] LLVM_SYS_40_PREFIX not set, not using precompiled binaries
[INFO] [stderr] LLVM_SYS_40_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-40.0.5/build.rs:77:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x562fd6461cbb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x562fd6461cbb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x562fd6461cbb - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x562fd6461cbb - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x562fd6461cbb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x562fd6461996 - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x562fd646242d - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x562fd6440025 - std::panicking::begin_panic::h50656e9eca541f19
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x562fd62b37f2 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::he365823903087bae
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/build.rs:77
[INFO] [stderr]    9:     0x562fd62b37f2 - core::ops::function::FnOnce::call_once::h74d8859e3a0b8469
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x562fd62af4d3 - lazy_static::lazy::Lazy<T>::get::{{closure}}::h67a770903971c6f1
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:24
[INFO] [stderr]   11:     0x562fd62af78b - std::sync::once::Once::call_once::{{closure}}::h78f08a3743e090a4
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x562fd645eff8 - std::sync::once::Once::call_inner::hff3cc93da942def6
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x562fd62af663 - std::sync::once::Once::call_once::h08fbc5644d1a1686
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x562fd62acec1 - lazy_static::lazy::Lazy<T>::get::h8a0288450ab537a4
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/lazy_static-0.2.11/src/lazy.rs:23
[INFO] [stderr]   15:     0x562fd62acec1 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::h59a7ac095476b709
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/<::lazy_static::__lazy_static_internal macros>:20
[INFO] [stderr]   16:     0x562fd62acec1 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::h29887897531dc0f9
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/<::lazy_static::__lazy_static_internal macros>:22
[INFO] [stderr]   17:     0x562fd62aac1a - build_script_build::llvm_config::ha3fd8df349747d29
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/build.rs:164
[INFO] [stderr]   18:     0x562fd62ac323 - build_script_build::main::h84b8bae94d22b451
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-40.0.5/build.rs:289
[INFO] [stderr]   19:     0x562fd62b2630 - std::rt::lang_start::{{closure}}::he0d60bf2a3f8f935
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   20:     0x562fd6461e33 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   21:     0x562fd6461e33 - std::panicking::try::do_call::h9d779bc5e27e3284
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   22:     0x562fd646a23a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   23:     0x562fd646293d - std::panicking::try::h4af22d9cb0afa351
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   24:     0x562fd646293d - std::panic::catch_unwind::hbb68a9ada87bfb97
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   25:     0x562fd646293d - std::rt::lang_start_internal::hba9e09d74440ce4d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   26:     0x562fd62b2609 - std::rt::lang_start::h36da97abb694c17a
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   27:     0x562fd62acf0a - main
[INFO] [stderr]   28:     0x7fe171f9a2e1 - __libc_start_main
[INFO] [stderr]   29:     0x562fd62a9a0a - _start
[INFO] [stderr]   30:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "81b56692b736f3b3420c694c0543c35bc00d7f0aac62f6ed3d87e5a89ef049d1"`
[INFO] running `"docker" "rm" "-f" "81b56692b736f3b3420c694c0543c35bc00d7f0aac62f6ed3d87e5a89ef049d1"`
[INFO] [stdout] 81b56692b736f3b3420c694c0543c35bc00d7f0aac62f6ed3d87e5a89ef049d1