[INFO] crate ekvsb 0.0.8 is already in cache
[INFO] extracting crate ekvsb 0.0.8 into work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/ekvsb/0.0.8
[INFO] extracting crate ekvsb 0.0.8 into work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/ekvsb/0.0.8
[INFO] validating manifest of ekvsb-0.0.8 on toolchain master#d99a320cba42f661aebfa1293b7b2ec3603dda75
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ekvsb-0.0.8 on toolchain try#e70472fc501b855c9080f3772432c10fe20b8866
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ekvsb-0.0.8
[INFO] finished frobbing ekvsb-0.0.8
[INFO] frobbed toml for ekvsb-0.0.8 written to work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/ekvsb/0.0.8/Cargo.toml
[INFO] started frobbing ekvsb-0.0.8
[INFO] finished frobbing ekvsb-0.0.8
[INFO] frobbed toml for ekvsb-0.0.8 written to work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/reg/ekvsb/0.0.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ekvsb-0.0.8 against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/reg/ekvsb/0.0.8:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0e56c8d50ed5e5877f205724e8f10ec1f618f259693c67a1e9655383063486d8
[INFO] running `"docker" "start" "-a" "0e56c8d50ed5e5877f205724e8f10ec1f618f259693c67a1e9655383063486d8"`
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking byte-unit v1.1.0
[INFO] [stderr]     Checking pagecache v0.6.0
[INFO] [stderr]     Checking trackable v0.2.20
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking prometrics v0.1.11
[INFO] [stderr]     Checking console v0.7.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking indicatif v0.9.0
[INFO] [stderr]     Checking cannyls v0.9.1
[INFO] [stderr]     Checking sled v0.15.21
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling cc v1.0.27
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling bindgen v0.37.4
[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] process didn't exit successfully: `/opt/crater/target/debug/build/librocksdb-sys-8438c0052ef179a3/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-abe977179a928f56/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-abe977179a928f56/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-abe977179a928f56/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-abe977179a928f56/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-abe977179a928f56/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-abe977179a928f56/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-abe977179a928f56/out/rocksdb/monitoring/thread_status_updater.o" "-c" "rocksdb/monitoring/thread_status_updater.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-abe977179a928f56/out/rocksdb/table/block.o" "-c" "rocksdb/table/block.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-abe977179a928f56/out/rocksdb/monitoring/thread_status_updater_debug.o" "-c" "rocksdb/monitoring/thread_status_updater_debug.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-abe977179a928f56/out/rocksdb/cache/lru_cache.o" "-c" "rocksdb/cache/lru_cache.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-abe977179a928f56/out/rocksdb/table/get_context.o" "-c" "rocksdb/table/get_context.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] 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 'd99a320cba42f661aebfa1293b7b2ec3603dda75-alt'
[INFO] [stderr] To install, run `rustup component add rustfmt`
[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-abe977179a928f56/out/rocksdb/db/db_impl_open.o" "-c" "rocksdb/db/db_impl_open.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-1.0.27/src/lib.rs:2313:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5597dfec22b3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h95ab028030b20adf
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
[INFO] [stderr]    1:     0x5597dfebe138 - std::sys_common::backtrace::_print::h94b63df5fa27ebe7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:72
[INFO] [stderr]    2:     0x5597dfec1162 - std::panicking::default_hook::{{closure}}::hb1fe25bfd71b52f7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]    3:     0x5597dfec0ed4 - std::panicking::default_hook::h52a0c0f430a98639
[INFO] [stderr]                                at src/libstd/panicking.rs:225
[INFO] [stderr]    4:     0x5597dfec1870 - std::panicking::rust_panic_with_hook::h66fbfcc2ae9f165e
[INFO] [stderr]                                at src/libstd/panicking.rs:488
[INFO] [stderr]    5:     0x5597dfec13f1 - std::panicking::continue_panic_fmt::haded7f0d2b8f33e8
[INFO] [stderr]                                at src/libstd/panicking.rs:395
[INFO] [stderr]    6:     0x5597dfec133e - std::panicking::begin_panic_fmt::h3332486de35b3280
[INFO] [stderr]                                at src/libstd/panicking.rs:350
[INFO] [stderr]    7:     0x5597dfe1508f - cc::fail::h6e88022c604d7f4d
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:2313
[INFO] [stderr]    8:     0x5597dfdffc3b - cc::Build::compile::h10a0399dfa629d6a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.27/src/lib.rs:950
[INFO] [stderr]    9:     0x5597df7d278d - build_script_build::build_rocksdb::hfbf16f84b7a8fd7c
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/librocksdb-sys-5.14.2/build.rs:128
[INFO] [stderr]   10:     0x5597df7d31ac - build_script_build::main::hbdabec9136091b02
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/librocksdb-sys-5.14.2/build.rs:174
[INFO] [stderr]   11:     0x5597df7d712f - std::rt::lang_start::{{closure}}::h8f684cfdc485e063
[INFO] [stderr]                                at /rustc/d99a320cba42f661aebfa1293b7b2ec3603dda75/src/libstd/rt.rs:74
[INFO] [stderr]   12:     0x5597dfec1272 - std::panicking::try::do_call::h435c622baed70d98
[INFO] [stderr]                                at src/libstd/rt.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:307
[INFO] [stderr]   13:     0x5597dfed5b49 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:102
[INFO] [stderr]   14:     0x5597dfec1d03 - std::rt::lang_start_internal::hbe17adba6302f4ef
[INFO] [stderr]                                at src/libstd/panicking.rs:286
[INFO] [stderr]                                at src/libstd/panic.rs:398
[INFO] [stderr]                                at src/libstd/rt.rs:58
[INFO] [stderr]   15:     0x5597df7d7108 - std::rt::lang_start::h2fefbfbc55bf9c41
[INFO] [stderr]                                at /rustc/d99a320cba42f661aebfa1293b7b2ec3603dda75/src/libstd/rt.rs:74
[INFO] [stderr]   16:     0x5597df7d3209 - main
[INFO] [stderr]   17:     0x7f1ac61612e0 - __libc_start_main
[INFO] [stderr]   18:     0x5597df7d1d49 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "0e56c8d50ed5e5877f205724e8f10ec1f618f259693c67a1e9655383063486d8"`
[INFO] running `"docker" "rm" "-f" "0e56c8d50ed5e5877f205724e8f10ec1f618f259693c67a1e9655383063486d8"`
[INFO] [stdout] 0e56c8d50ed5e5877f205724e8f10ec1f618f259693c67a1e9655383063486d8