[INFO] updating cached repository Sharundaar/GenMetadata
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Sharundaar/GenMetadata
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Sharundaar/GenMetadata" "work/ex/beta-1.38-1/sources/1.37.0/gh/Sharundaar/GenMetadata"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Sharundaar/GenMetadata'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Sharundaar/GenMetadata" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sharundaar/GenMetadata"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sharundaar/GenMetadata'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a1f4b684b4037f71a2628ac8c8cbd59c3098bd9
[INFO] sha for GitHub repo Sharundaar/GenMetadata: 3a1f4b684b4037f71a2628ac8c8cbd59c3098bd9
[INFO] validating manifest of Sharundaar/GenMetadata on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Sharundaar/GenMetadata on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Sharundaar/GenMetadata
[INFO] finished frobbing Sharundaar/GenMetadata
[INFO] frobbed toml for Sharundaar/GenMetadata written to work/ex/beta-1.38-1/sources/1.37.0/gh/Sharundaar/GenMetadata/Cargo.toml
[INFO] started frobbing Sharundaar/GenMetadata
[INFO] finished frobbing Sharundaar/GenMetadata
[INFO] frobbed toml for Sharundaar/GenMetadata written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sharundaar/GenMetadata/Cargo.toml
[INFO] crate Sharundaar/GenMetadata already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Sharundaar/GenMetadata against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sharundaar/GenMetadata:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 63b19cee6ae1b2dc68d48a26b075618628f766a72957c4807934512db993f6a6
[INFO] running `"docker" "start" "-a" "63b19cee6ae1b2dc68d48a26b075618628f766a72957c4807934512db993f6a6"`
[INFO] [stderr]    Compiling clang-sys v0.20.1
[INFO] [stderr]    Compiling clang v0.17.0
[INFO] [stderr]    Compiling gen-metadata v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]    --> src/main.rs:722:13
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::path::PathBuf;
[INFO] [stderr]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 722 |         use std::path::PathBuf;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]     --> src/main.rs:1161:13
[INFO] [stderr]      |
[INFO] [stderr] 3    | use std::path::PathBuf;
[INFO] [stderr]      |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1161 |         use std::path::PathBuf;
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:620:21
[INFO] [stderr]     |
[INFO] [stderr] 620 |                 let mut type_func = type_info._func.as_mut().unwrap();
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1433:21
[INFO] [stderr]      |
[INFO] [stderr] 1433 |                 let mut instances = template_instances.entry( template_type.clone() ).or_insert_with(|| vec!() );
[INFO] [stderr]      |                     ----^^^^^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.gen_metadata.27i65rx8-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2" "/opt/crater/target/debug/deps/gen_metadata-7c732ffd6dea17a2.1hjw99snyr8hmvk7.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/lib/llvm-3.8/lib" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libargparse-da038dabfff49c06.rlib" "/opt/crater/target/debug/deps/libclang-4317c80f77dfb305.rlib" "/opt/crater/target/debug/deps/libclang_sys-cbeebf0035b5e981.rlib" "/opt/crater/target/debug/deps/liblibc-799fedc4a55ea1c4.rlib" "/opt/crater/target/debug/deps/libglob-31fe06c730b4ed3f.rlib" "/opt/crater/target/debug/deps/libbitflags-87aacccedafc3e9f.rlib" "/opt/crater/target/debug/deps/liblazy_static-8e8f275d3efea5b8.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lclang" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libclang-4317c80f77dfb305.rlib(clang-4317c80f77dfb305.clang.4t7ukd0m-cgu.1.rcgu.o): In function `clang::Entity::is_default_constructor':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clang-0.17.0/src/lib.rs:1785: undefined reference to `clang_CXXConstructor_isDefaultConstructor'
[INFO] [stderr]           /opt/crater/target/debug/deps/libclang-4317c80f77dfb305.rlib(clang-4317c80f77dfb305.clang.4t7ukd0m-cgu.1.rcgu.o): In function `clang::Entity::is_scoped':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clang-0.17.0/src/lib.rs:1846: undefined reference to `clang_EnumDecl_isScoped'
[INFO] [stderr]           /opt/crater/target/debug/deps/libclang-4317c80f77dfb305.rlib(clang-4317c80f77dfb305.clang.4t7ukd0m-cgu.1.rcgu.o): In function `clang::Type::get_typedef_name':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clang-0.17.0/src/lib.rs:2623: undefined reference to `clang_getTypedefName'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `gen-metadata`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "63b19cee6ae1b2dc68d48a26b075618628f766a72957c4807934512db993f6a6"`
[INFO] running `"docker" "rm" "-f" "63b19cee6ae1b2dc68d48a26b075618628f766a72957c4807934512db993f6a6"`
[INFO] [stdout] 63b19cee6ae1b2dc68d48a26b075618628f766a72957c4807934512db993f6a6