[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-1.37-6/sources/1.36.0/gh/Sharundaar/GenMetadata"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Sharundaar/GenMetadata'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Sharundaar/GenMetadata" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Sharundaar/GenMetadata"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Sharundaar/GenMetadata 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 Sharundaar/GenMetadata
[INFO] finished frobbing Sharundaar/GenMetadata
[INFO] frobbed toml for Sharundaar/GenMetadata written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Sharundaar/GenMetadata against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] d4116e29ea5336c6854208c6337493b235a0d52c8dc39bdec707af2abf2a20eb
[INFO] running `"docker" "start" "-a" "d4116e29ea5336c6854208c6337493b235a0d52c8dc39bdec707af2abf2a20eb"`
[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-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.gen_metadata.axjg9pvp-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41" "/opt/crater/target/debug/deps/gen_metadata-3aa8fcab1f190e41.49xb7mfbq2ea7b62.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-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libargparse-eab93d5ab1e09eca.rlib" "/opt/crater/target/debug/deps/libclang-c50b0ffa0db2bb96.rlib" "/opt/crater/target/debug/deps/libclang_sys-d072fb40425deea0.rlib" "/opt/crater/target/debug/deps/liblibc-5e48f0a18c73291f.rlib" "/opt/crater/target/debug/deps/libglob-64a6f4c4811ee2f9.rlib" "/opt/crater/target/debug/deps/libbitflags-3e0496368fb8d844.rlib" "/opt/crater/target/debug/deps/liblazy_static-0e1e36676eed3924.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.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-c50b0ffa0db2bb96.rlib(clang-c50b0ffa0db2bb96.clang.5srqlenc-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-c50b0ffa0db2bb96.rlib(clang-c50b0ffa0db2bb96.clang.5srqlenc-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-c50b0ffa0db2bb96.rlib(clang-c50b0ffa0db2bb96.clang.5srqlenc-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" "d4116e29ea5336c6854208c6337493b235a0d52c8dc39bdec707af2abf2a20eb"`
[INFO] running `"docker" "rm" "-f" "d4116e29ea5336c6854208c6337493b235a0d52c8dc39bdec707af2abf2a20eb"`
[INFO] [stdout] d4116e29ea5336c6854208c6337493b235a0d52c8dc39bdec707af2abf2a20eb