[INFO] updating cached repository kakoidb/kakoidb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kakoidb/kakoidb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kakoidb/kakoidb" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/kakoidb/kakoidb"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/kakoidb/kakoidb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kakoidb/kakoidb" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/kakoidb/kakoidb"`
[INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/kakoidb/kakoidb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d5972b926a2f3cef70adcdcceb259ca494644f1
[INFO] sha for GitHub repo kakoidb/kakoidb: 5d5972b926a2f3cef70adcdcceb259ca494644f1
[INFO] validating manifest of kakoidb/kakoidb on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kakoidb/kakoidb on toolchain try#f45cc3094ee337acd688771b9234318046b0572d
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kakoidb/kakoidb
[INFO] finished frobbing kakoidb/kakoidb
[INFO] frobbed toml for kakoidb/kakoidb written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/kakoidb/kakoidb/Cargo.toml
[INFO] started frobbing kakoidb/kakoidb
[INFO] finished frobbing kakoidb/kakoidb
[INFO] frobbed toml for kakoidb/kakoidb written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/kakoidb/kakoidb/Cargo.toml
[INFO] crate kakoidb/kakoidb already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kakoidb/kakoidb against master#39401465da4ce27aeeb2c2a26133ac35c63aa515 for pr-60914
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/master#39401465da4ce27aeeb2c2a26133ac35c63aa515:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/kakoidb/kakoidb:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 04f8babf8fc67e23c31b2765e8a8c8394e833f88668fd896a16395f40d3d3cb9
[INFO] running `"docker" "start" "-a" "04f8babf8fc67e23c31b2765e8a8c8394e833f88668fd896a16395f40d3d3cb9"`
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking headers-core v0.0.1
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking sha-1 v0.8.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tungstenite v0.6.1
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking config v0.9.1
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]     Checking hyper v0.12.13
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling headers-derive v0.0.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking headers-ext v0.0.3
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking warp v0.1.9
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling juniper_codegen v0.10.0
[INFO] [stderr]     Checking juniper v0.10.0
[INFO] [stderr]     Checking juniper_warp v0.1.0
[INFO] [stderr]    Compiling librocksdb-sys v5.14.2
[INFO] [stderr] error: failed to run custom build command for `librocksdb-sys v5.14.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/librocksdb-sys-ed31c84f316247c9/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build.rs
[INFO] [stderr] cargo:rerun-if-changed=rocksdb/
[INFO] [stderr] cargo:rerun-if-changed=snappy/
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXXFLAGS = None
[INFO] [stderr] CXXFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/table/full_filter_block.o" "-c" "rocksdb/table/full_filter_block.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/experimental.o" "-c" "rocksdb/db/experimental.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/internal_stats.o" "-c" "rocksdb/db/internal_stats.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/compacted_db_impl.o" "-c" "rocksdb/db/compacted_db_impl.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/db_filesnapshot.o" "-c" "rocksdb/db/db_filesnapshot.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/memtable_list.o" "-c" "rocksdb/db/memtable_list.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/table_cache.o" "-c" "rocksdb/db/table_cache.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/cache/lru_cache.o" "-c" "rocksdb/cache/lru_cache.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/cache/clock_cache.o" "-c" "rocksdb/cache/clock_cache.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/write_batch.o" "-c" "rocksdb/db/write_batch.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/table_properties_collector.o" "-c" "rocksdb/db/table_properties_collector.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/db_impl_open.o" "-c" "rocksdb/db/db_impl_open.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/flush_job.o" "-c" "rocksdb/db/flush_job.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/builder.o" "-c" "rocksdb/db/builder.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/external_sst_file_ingestion_job.o" "-c" "rocksdb/db/external_sst_file_ingestion_job.cc"
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/version_builder.o" "-c" "rocksdb/db/version_builder.cc"
[INFO] [stderr] exit code: 0
[INFO] [stderr] running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/db_info_dumper.o" "-c" "rocksdb/db/db_info_dumper.cc"
[INFO] [stderr] cargo:warning=c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] cargo:warning=Please submit a full bug report,
[INFO] [stderr] cargo:warning=with preprocessed source if appropriate.
[INFO] [stderr] cargo:warning=See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[INFO] [stderr] exit code: 4
[INFO] [stderr] cargo:warning=c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] cargo:warning=Please submit a full bug report,
[INFO] [stderr] cargo:warning=with preprocessed source if appropriate.
[INFO] [stderr] cargo:warning=See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[INFO] [stderr] exit code: 4
[INFO] [stderr] cargo:warning=c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] cargo:warning=Please submit a full bug report,
[INFO] [stderr] cargo:warning=with preprocessed source if appropriate.
[INFO] [stderr] cargo:warning=See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[INFO] [stderr] exit code: 4
[INFO] [stderr] cargo:warning=c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] cargo:warning=Please submit a full bug report,
[INFO] [stderr] cargo:warning=with preprocessed source if appropriate.
[INFO] [stderr] cargo:warning=See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[INFO] [stderr] exit code: 4
[INFO] [stderr] cargo:warning=c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] cargo:warning=Please submit a full bug report,
[INFO] [stderr] cargo:warning=with preprocessed source if appropriate.
[INFO] [stderr] cargo:warning=See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[INFO] [stderr] exit code: 4
[INFO] [stderr] exit code: 0
[INFO] [stderr] cargo:warning=c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] cargo:warning=Please submit a full bug report,
[INFO] [stderr] cargo:warning=with preprocessed source if appropriate.
[INFO] [stderr] cargo:warning=See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[INFO] [stderr] exit code: 4
[INFO] [stderr] cargo:warning=c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] cargo:warning=Please submit a full bug report,
[INFO] [stderr] cargo:warning=with preprocessed source if appropriate.
[INFO] [stderr] cargo:warning=See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[INFO] [stderr] exit code: 4
[INFO] [stderr] cargo:warning=c++: internal compiler error: Killed (program cc1plus)
[INFO] [stderr] cargo:warning=Please submit a full bug report,
[INFO] [stderr] cargo:warning=with preprocessed source if appropriate.
[INFO] [stderr] cargo:warning=See <file:///usr/share/doc/gcc-6/README.Bugs> for instructions.
[INFO] [stderr] exit code: 4
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] exit code: 0
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] rocksdb/include/rocksdb/c.h:48:9: warning: #pragma once in main file [-Wpragma-once-outside-header], err: false
[INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '39401465da4ce27aeeb2c2a26133ac35c63aa515-alt'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 39401465da4ce27aeeb2c2a26133ac35c63aa515-alt`
[INFO] [stderr] Custom { kind: Other, error: StringError("Internal rustfmt error") }
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] Internal error occurred: Command "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "rocksdb/include/" "-I" "rocksdb/" "-I" "rocksdb/third-party/gtest-1.7.0/fused-src/" "-I" "snappy/" "-I" "." "-Wall" "-Wextra" "-std=c++11" "-Wno-unused-parameter" "-DNDEBUG=1" "-DSNAPPY=1" "-DOS_LINUX=1" "-DROCKSDB_PLATFORM_POSIX=1" "-DROCKSDB_LIB_IO_POSIX=1" "-o" "/opt/crater/target/debug/build/librocksdb-sys-76bea5f93c1f1736/out/rocksdb/db/compacted_db_impl.o" "-c" "rocksdb/db/compacted_db_impl.cc" with args "c++" did not execute successfully (status code exit code: 4).
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.25/src/lib.rs:2260:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55ef40207a33 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hb8de48fc76930a93
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55ef4020347b - std::sys_common::backtrace::_print::ha2266954ddac1c55
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55ef402066b6 - std::panicking::default_hook::{{closure}}::h975448ea6b286e60
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55ef40206449 - std::panicking::default_hook::h45c767eadadf14be
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55ef40206dbf - std::panicking::rust_panic_with_hook::h1d02df52de2c5a52
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55ef40206941 - std::panicking::continue_panic_fmt::h12ba60f6c9ca47f0
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55ef4020688e - std::panicking::begin_panic_fmt::hc31ea410c25581d5
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x55ef40153d15 - cc::fail::hcc7a354df4e54362
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.25/src/lib.rs:2260
[INFO] [stderr]    8:     0x55ef4013edfe - cc::Build::compile::hcd15727537079a55
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.25/src/lib.rs:933
[INFO] [stderr]    9:     0x55ef3fae9563 - build_script_build::build_rocksdb::h094493a60e343d82
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/librocksdb-sys-5.14.2/build.rs:128
[INFO] [stderr]   10:     0x55ef3faea05c - build_script_build::main::h4981a3dd8d070310
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/librocksdb-sys-5.14.2/build.rs:174
[INFO] [stderr]   11:     0x55ef3faec54f - std::rt::lang_start::{{closure}}::h35ae7e5b10c3074b
[INFO] [stderr]                                at /rustc/39401465da4ce27aeeb2c2a26133ac35c63aa515/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55ef402067c2 - std::panicking::try::do_call::h05c7913fdf970160
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55ef4020fb69 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55ef4020738c - std::rt::lang_start_internal::h0dec2254ff9ebbe4
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55ef3faec528 - std::rt::lang_start::h30f966562360da05
[INFO] [stderr]                                at /rustc/39401465da4ce27aeeb2c2a26133ac35c63aa515/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55ef3faea0b9 - main
[INFO] [stderr]   17:     0x7f46a41a92e0 - __libc_start_main
[INFO] [stderr]   18:     0x55ef3fae8279 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "04f8babf8fc67e23c31b2765e8a8c8394e833f88668fd896a16395f40d3d3cb9"`
[INFO] running `"docker" "rm" "-f" "04f8babf8fc67e23c31b2765e8a8c8394e833f88668fd896a16395f40d3d3cb9"`
[INFO] [stdout] 04f8babf8fc67e23c31b2765e8a8c8394e833f88668fd896a16395f40d3d3cb9