message: Remove RHEL 5.5 Evergreen builder
  The C driver no longer tests against this platform, so we shouldn't,
  either.
diff: @@ -11,11 +11,6 @@ variables:
  version_latest: &version_latest latest
  version_32: &version_32 3.2
  - ## Use newer compiler path variables
  - compiler_path:
  - rhel55_cc_path: &rhel55_cc_path /opt/mongodbtoolchain/v2/bin/gcc
  - rhel55_cxx_path: &rhel55_cxx_path /opt/mongodbtoolchain/v2/bin/g++
  -
  ## cmake path variables
  cmake_path:
  linux_cmake_path: &linux_cmake_path /opt/cmake/bin/cmake
  @@ -39,7 +34,6 @@ variables:
  ## cmake flag variables
  cmake_flags:
  linux_cmake_flags: &linux_cmake_flags -DCMAKE_C_FLAGS="-Wall -Wextra -Wno-attributes -Werror -Wno-error=missing-field-initializers" -DCMAKE_CXX_FLAGS="-Wall -Wextra -Werror -Wno-error=missing-field-initializers"
  - rhel55_cmake_flags: &rhel55_cmake_flags -DCMAKE_C_FLAGS="-Wall -Wextra -Wno-attributes -Werror -Wno-error=missing-field-initializers" -DCMAKE_CXX_FLAGS="-Wall -Wextra -Werror"
  osx_cmake_flags: &osx_cmake_flags -DCMAKE_C_FLAGS="-Wall -Wextra -Wno-attributes -Werror -Wno-error=missing-field-initializers" -DCMAKE_CXX_FLAGS="-stdlib=libc++ -Wall -Wextra -Werror"
  asan_cmake_flags: &asan_cmake_flags -DCMAKE_C_FLAGS="-Wall -Wextra -Wno-attributes -Werror -Wno-error=missing-field-initializers" -DCMAKE_CXX_COMPILER="/usr/bin/clang++" -DCMAKE_CXX_FLAGS="-D_GLIBCXX_USE_CXX11_ABI=0 -fsanitize=address -O1 -g -fno-omit-frame-pointer -Wall -Wextra -Werror"
  ubsan_cmake_flags: &ubsan_cmake_flags -DCMAKE_C_FLAGS="-Wall -Wextra -Wno-attributes -Werror -Wno-error=missing-field-initializers" -DCMAKE_CXX_COMPILER="/usr/bin/clang++" -DCMAKE_CXX_FLAGS="-D_GLIBCXX_USE_CXX11_ABI=0 -fsanitize=undefined -fsanitize-blacklist=$(pwd)/etc/ubsan.blacklist -fno-sanitize-recover=undefined -O1 -g -fno-omit-frame-pointer -Wall -Wextra -Werror"
  @@ -314,25 +308,6 @@ buildvariants:
  - name: compile_and_test_with_shared_libs
  - name: compile_and_test_with_static_libs
  - - name: rhel55-debug
  - display_name: "RHEL 5.5 Debug"
  - expansions:
  - build_type: "Debug"
  - tar_options: *linux_tar_options
  - build_tool_path: *unix_build_tool_path
  - cdriver_configure_flags: *linux_cdriver_configure_flags
  - cmake_path: *linux_cmake_path
  - cmake_flags: *rhel55_cmake_flags
  - cc_path: *rhel55_cc_path
  - cxx_path: *rhel55_cxx_path
  - # Versions 3.4+ of the server no longer run RHEL 5.5, so we pin to 3.2 instead.
  - mongodb_version: *version_32
  - run_on:
  - - rhel55-test
  - tasks:
  - - name: compile_and_test_with_shared_libs
  - - name: compile_and_test_with_static_libs
  -
  - name: osx-1010
  display_name: "OS X 10.10 Release (Boost)"
  expansions:
  