[INFO] fetching crate faster-rs 0.8.5...
[INFO] extracting crate faster-rs 0.8.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/faster-rs/0.8.5
[INFO] extracting crate faster-rs 0.8.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/faster-rs/0.8.5
[INFO] validating manifest of faster-rs-0.8.5 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of faster-rs-0.8.5 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing faster-rs-0.8.5
[INFO] finished frobbing faster-rs-0.8.5
[INFO] frobbed toml for faster-rs-0.8.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/faster-rs/0.8.5/Cargo.toml
[INFO] started frobbing faster-rs-0.8.5
[INFO] finished frobbing faster-rs-0.8.5
[INFO] frobbed toml for faster-rs-0.8.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/faster-rs/0.8.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libfaster-sys v0.8.3
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing faster-rs-0.8.5 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/faster-rs/0.8.5:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1e2962fd56732ae4ea19499a9e86f373e1bf82c0a2561ecf76434e59a2ec54ca
[INFO] running `"docker" "start" "-a" "1e2962fd56732ae4ea19499a9e86f373e1bf82c0a2561ecf76434e59a2ec54ca"`
[INFO] [stderr]    Compiling bindgen v0.50.0
[INFO] [stderr]    Compiling libfaster-sys v0.8.3
[INFO] [stderr] error: failed to run custom build command for `libfaster-sys v0.8.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/libfaster-sys-37344ce7fea6df46/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rerun-if-changed=build.rs
[INFO] [stderr] cargo:rerun-if-changed=FASTER/
[INFO] [stderr] running: "cmake" "/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/libfaster-sys-0.8.3/FASTER/cc" "-DCMAKE_INSTALL_PREFIX=/opt/crater/target/debug/build/libfaster-sys-ca3776d760f544f1/out" "-DCMAKE_C_FLAGS= --std=c++11  -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_C_COMPILER=/usr/bin/cc" "-DCMAKE_CXX_FLAGS= -ffunction-sections -fdata-sections -fPIC -m64" "-DCMAKE_CXX_COMPILER=/usr/bin/c++" "-DCMAKE_BUILD_TYPE=Debug"
[INFO] [stderr] -- The C compiler identification is GNU 6.3.0
[INFO] [stderr] -- The CXX compiler identification is GNU 6.3.0
[INFO] [stderr] -- Check for working C compiler: /usr/bin/cc
[INFO] [stderr] -- Check for working C compiler: /usr/bin/cc -- works
[INFO] [stderr] -- Detecting C compiler ABI info
[INFO] [stderr] -- Detecting C compiler ABI info - done
[INFO] [stderr] -- Detecting C compile features
[INFO] [stderr] -- Detecting C compile features - done
[INFO] [stderr] -- Check for working CXX compiler: /usr/bin/c++
[INFO] [stderr] -- Check for working CXX compiler: /usr/bin/c++ -- works
[INFO] [stderr] -- Detecting CXX compiler ABI info
[INFO] [stderr] -- Detecting CXX compiler ABI info - done
[INFO] [stderr] -- Detecting CXX compile features
[INFO] [stderr] -- Detecting CXX compile features - done
[INFO] [stderr] -- Configuring done
[INFO] [stderr] -- Generating done
[INFO] [stderr] -- Build files have been written to: /opt/crater/target/debug/build/libfaster-sys-ca3776d760f544f1/out/build/googletest-download
[INFO] [stderr] Scanning dependencies of target googletest
[INFO] [stderr] [ 11%] Creating directories for 'googletest'
[INFO] [stderr] [ 22%] Performing download step (git clone) for 'googletest'
[INFO] [stderr] -- Had to git clone more than once:
[INFO] [stderr]           3 times.
[INFO] [stderr] CMakeFiles/googletest.dir/build.make:90: recipe for target 'googletest-prefix/src/googletest-stamp/googletest-download' failed
[INFO] [stderr] CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/googletest.dir/all' failed
[INFO] [stderr] Makefile:83: recipe for target 'all' failed
[INFO] [stderr] -- Configuring incomplete, errors occurred!
[INFO] [stderr] See also "/opt/crater/target/debug/build/libfaster-sys-ca3776d760f544f1/out/build/CMakeFiles/CMakeOutput.log".
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '1.36.0-x86_64-unknown-linux-gnu'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1.36.0-x86_64-unknown-linux-gnu`
[INFO] [stderr] Failed to run rustfmt: Internal rustfmt error (non-fatal, continuing)
[INFO] [stderr] Cloning into 'googletest-src'...
[INFO] [stderr] fatal: unable to access 'https://github.com/google/googletest.git/': Could not resolve host: github.com
[INFO] [stderr] Cloning into 'googletest-src'...
[INFO] [stderr] fatal: unable to access 'https://github.com/google/googletest.git/': Could not resolve host: github.com
[INFO] [stderr] Cloning into 'googletest-src'...
[INFO] [stderr] fatal: unable to access 'https://github.com/google/googletest.git/': Could not resolve host: github.com
[INFO] [stderr] CMake Error at googletest-download/googletest-prefix/tmp/googletest-gitclone.cmake:56 (message):
[INFO] [stderr]   Failed to clone repository: 'https://github.com/google/googletest.git'
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] make[2]: *** [googletest-prefix/src/googletest-stamp/googletest-download] Error 1
[INFO] [stderr] make[1]: *** [CMakeFiles/googletest.dir/all] Error 2
[INFO] [stderr] make: *** [all] Error 2
[INFO] [stderr] CMake Error at CMakeLists.txt:41 (message):
[INFO] [stderr]   Build step for googletest failed: 2
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] command did not execute successfully, got: exit code: 1
[INFO] [stderr] 
[INFO] [stderr] build script failed, must exit now', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.40/src/lib.rs:832:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5627255fafc3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x5627255f5eeb - std::sys_common::backtrace::_print::h49a82ae9552e35c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5627255f9be6 - std::panicking::default_hook::{{closure}}::he20974adbefcc046
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5627255f9979 - std::panicking::default_hook::he4af6af4ac7fef7b
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x5627255fa3d8 - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f
[INFO] [stderr]                                at src/libstd/panicking.rs:478
[INFO] [stderr]    5:     0x5627255f9e71 - std::panicking::continue_panic_fmt::ha6d6ae144369025b
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5627255f9dbe - std::panicking::begin_panic_fmt::he54eae869ed71eb1
[INFO] [stderr]                                at src/libstd/panicking.rs:336
[INFO] [stderr]    7:     0x562724eb9265 - cmake::fail::h54445b707760f9f9
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.40/src/lib.rs:832
[INFO] [stderr]    8:     0x562724eb8ba3 - cmake::run::hb0722c5b998708fd
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.40/src/lib.rs:810
[INFO] [stderr]    9:     0x562724eb42cf - cmake::Config::build::h3a73b1cad4fd8231
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cmake-0.1.40/src/lib.rs:648
[INFO] [stderr]   10:     0x562724eabda8 - build_script_build::main::h0ad1c83d755de139
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/libfaster-sys-0.8.3/build.rs:43
[INFO] [stderr]   11:     0x562724ead3ef - std::rt::lang_start::{{closure}}::h38199acda27f6b9a
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x5627255f9cf2 - std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x562725602479 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x5627255fa8bc - std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x562724ead3c8 - std::rt::lang_start::h403a7118b719f79e
[INFO] [stderr]                                at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x562724eac1b9 - main
[INFO] [stderr]   17:     0x7fd94f3892e0 - __libc_start_main
[INFO] [stderr]   18:     0x562724eab859 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "1e2962fd56732ae4ea19499a9e86f373e1bf82c0a2561ecf76434e59a2ec54ca"`
[INFO] running `"docker" "rm" "-f" "1e2962fd56732ae4ea19499a9e86f373e1bf82c0a2561ecf76434e59a2ec54ca"`
[INFO] [stdout] 1e2962fd56732ae4ea19499a9e86f373e1bf82c0a2561ecf76434e59a2ec54ca