[INFO] crate arcon 0.1.0 is already in cache
[INFO] extracting crate arcon 0.1.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/arcon/0.1.0
[INFO] extracting crate arcon 0.1.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/arcon/0.1.0
[INFO] validating manifest of arcon-0.1.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arcon-0.1.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arcon-0.1.0
[INFO] finished frobbing arcon-0.1.0
[INFO] frobbed toml for arcon-0.1.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/arcon/0.1.0/Cargo.toml
[INFO] started frobbing arcon-0.1.0
[INFO] finished frobbing arcon-0.1.0
[INFO] frobbed toml for arcon-0.1.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/arcon/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking arcon-0.1.0 against master#435236b8877cdb98c82eaebfb7887782277265c5 for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/master#435236b8877cdb98c82eaebfb7887782277265c5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/arcon/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2366dc06331a27f86acd53312514dc848b92e6718227983e8a1cc34808219d6c
[INFO] running `"docker" "start" "-a" "2366dc06331a27f86acd53312514dc848b92e6718227983e8a1cc34808219d6c"`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling weld v0.3.0
[INFO] [stderr]     Checking bitfields v0.2.0
[INFO] [stderr]     Checking sequence_trie v0.3.6
[INFO] [stderr]     Checking as_num v0.2.5
[INFO] [stderr]     Checking oncemutex v0.1.1
[INFO] [stderr]     Checking synchronoise v0.4.0
[INFO] [stderr]    Compiling protobuf v2.8.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking tokio-retry v0.2.0
[INFO] [stderr]    Compiling llvm-sys v60.4.1
[INFO] [stderr]    Compiling kompact-actor-derive v0.7.0
[INFO] [stderr]    Compiling kompact-component-derive v0.7.0
[INFO] [stderr]    Compiling keyby v0.1.0
[INFO] [stderr]    Compiling arcon_macros v0.1.0
[INFO] [stderr]     Checking spaniel v0.1.0
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking executors v0.4.4
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-term v2.4.1
[INFO] [stderr] error: failed to run custom build command for `llvm-sys v60.4.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/llvm-sys-483b688b2c734da2/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] Found LLVM version 3.8.0 on PATH, but need 6.0.1.
[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_60_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-60.4.1/build.rs:63:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x56530aa6086b - backtrace::backtrace::libunwind::trace::h88d9499c2d7e1dbc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x56530aa6086b - backtrace::backtrace::trace_unsynchronized::h64df3798ffaf338f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x56530aa6086b - std::sys_common::backtrace::_print::h549f3692f8d3f393
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x56530aa6086b - std::sys_common::backtrace::print::h037f1d7e6e0e94de
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x56530aa6086b - std::panicking::default_hook::{{closure}}::h88a39cbd1a8489c9
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x56530aa60546 - std::panicking::default_hook::hdb7c9c6632585072
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x56530aa60fdd - std::panicking::rust_panic_with_hook::h906f2b0ace338868
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x56530a9c93e5 - std::panicking::begin_panic::h906850a424b9043f
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/panicking.rs:411
[INFO] [stderr]    8:     0x56530a80ac9e - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__static_ref_initialize::h57ba73b97548cf0c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.1/build.rs:63
[INFO] [stderr]    9:     0x56530a80ac9e - core::ops::function::FnOnce::call_once::hf96bcbc9e0044e25
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libcore/ops/function.rs:235
[INFO] [stderr]   10:     0x56530a80ebdf - lazy_static::lazy::Lazy<T>::get::{{closure}}::hd630d42f94429c04
[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:     0x56530a809a9b - std::sync::once::Once::call_once::{{closure}}::h74d71ebde1bef282
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/sync/once.rs:225
[INFO] [stderr]   12:     0x56530aa5db58 - std::sync::once::Once::call_inner::h7358f875457ef131
[INFO] [stderr]                                at src/libstd/sync/once.rs:392
[INFO] [stderr]   13:     0x56530a8099e3 - std::sync::once::Once::call_once::h877b8f168ef11f65
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/sync/once.rs:225
[INFO] [stderr]   14:     0x56530a805ec5 - lazy_static::lazy::Lazy<T>::get::h170b54e457a972b1
[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:     0x56530a805ec5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::__stability::hd3ae607cfba24e7e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.1/<::lazy_static::__lazy_static_internal macros>:17
[INFO] [stderr]   16:     0x56530a805ec5 - <build_script_build::LLVM_CONFIG_PATH as core::ops::deref::Deref>::deref::hf66a43a19a995221
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.1/<::lazy_static::__lazy_static_internal macros>:19
[INFO] [stderr]   17:     0x56530a80366a - build_script_build::llvm_config::h0093c2fe957f2d17
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.1/build.rs:150
[INFO] [stderr]   18:     0x56530a804cc0 - build_script_build::get_llvm_cflags::hbd2058005f282016
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.1/build.rs:259
[INFO] [stderr]   19:     0x56530a8050be - build_script_build::main::h75d2708092d54fca
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/llvm-sys-60.4.1/build.rs:289
[INFO] [stderr]   20:     0x56530a809850 - std::rt::lang_start::{{closure}}::hcccc2dd0ff00827e
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x56530aa609e3 - std::rt::lang_start_internal::{{closure}}::h9ea1b9f2bce8ffef
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   22:     0x56530aa609e3 - std::panicking::try::do_call::hfbd18154d6e81e0d
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   23:     0x56530aa6910a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   24:     0x56530aa614ed - std::panicking::try::h9cb4b237371abf81
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   25:     0x56530aa614ed - std::panic::catch_unwind::hd403853a39b4e3c9
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   26:     0x56530aa614ed - std::rt::lang_start_internal::h7e5e162b169a1510
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   27:     0x56530a809829 - std::rt::lang_start::hf45ce3ea95f02bf3
[INFO] [stderr]                                at /rustc/435236b8877cdb98c82eaebfb7887782277265c5/src/libstd/rt.rs:64
[INFO] [stderr]   28:     0x56530a805f4a - main
[INFO] [stderr]   29:     0x7f8c8bf5f2e1 - __libc_start_main
[INFO] [stderr]   30:     0x56530a80246a - _start
[INFO] [stderr]   31:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2366dc06331a27f86acd53312514dc848b92e6718227983e8a1cc34808219d6c"`
[INFO] running `"docker" "rm" "-f" "2366dc06331a27f86acd53312514dc848b92e6718227983e8a1cc34808219d6c"`
[INFO] [stdout] 2366dc06331a27f86acd53312514dc848b92e6718227983e8a1cc34808219d6c