[INFO] updating cached repository jimblandy/ex-triangle
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jimblandy/ex-triangle
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/ex-triangle" "work/ex/beta-1.37-6/sources/1.36.0/gh/jimblandy/ex-triangle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jimblandy/ex-triangle'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jimblandy/ex-triangle" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimblandy/ex-triangle"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimblandy/ex-triangle'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 06749cb8549d41919594b1eed07f291a183d97d7
[INFO] sha for GitHub repo jimblandy/ex-triangle: 06749cb8549d41919594b1eed07f291a183d97d7
[INFO] validating manifest of jimblandy/ex-triangle 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 jimblandy/ex-triangle 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 jimblandy/ex-triangle
[INFO] finished frobbing jimblandy/ex-triangle
[INFO] frobbed toml for jimblandy/ex-triangle written to work/ex/beta-1.37-6/sources/1.36.0/gh/jimblandy/ex-triangle/Cargo.toml
[INFO] started frobbing jimblandy/ex-triangle
[INFO] finished frobbing jimblandy/ex-triangle
[INFO] frobbed toml for jimblandy/ex-triangle written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jimblandy/ex-triangle/Cargo.toml
[INFO] crate jimblandy/ex-triangle 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 jimblandy/ex-triangle 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-0/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/jimblandy/ex-triangle:/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] d6a4b16117a2d95f69e7f491bed2c3bf18a7a344f91f92d238f88881ee6c20d6
[INFO] running `"docker" "start" "-a" "d6a4b16117a2d95f69e7f491bed2c3bf18a7a344f91f92d238f88881ee6c20d6"`
[INFO] [stderr]    Compiling ex-triangle v0.1.0 (/opt/crater/workdir)
[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/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.ex_triangle.dx74d94r-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f" "/opt/crater/target/debug/deps/ex_triangle-1cf66cc74e73846f.48wsz3untoqhu9l.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-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/libcgmath-360148cc6e6dbfd6.rlib" "/opt/crater/target/debug/deps/librustc_serialize-788fa727d6d1b52d.rlib" "/opt/crater/target/debug/deps/libnum_traits-45b07fd770ac50a5.rlib" "/opt/crater/target/debug/deps/libapprox-ecf5281917ee9778.rlib" "/opt/crater/target/debug/deps/libglium-93f8b165c3f5c693.rlib" "/opt/crater/target/debug/deps/libglutin-c690250a2fac7020.rlib" "/opt/crater/target/debug/deps/libwayland_window-685725db0dda98b6.rlib" "/opt/crater/target/debug/deps/libtempfile-c2e30bec52dc580b.rlib" "/opt/crater/target/debug/deps/librand-d6cdb6aa01ee7a70.rlib" "/opt/crater/target/debug/deps/libbyteorder-22baa336c5b59722.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-31d670656b6db9c4.rlib" "/opt/crater/target/debug/deps/libmemmap-732b1359c612d963.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-2302d654838e8d19.rlib" "/opt/crater/target/debug/deps/libwayland_client-811e8fba6b4d367b.rlib" "/opt/crater/target/debug/deps/libwayland_sys-19c459133c8a6ca9.rlib" "/opt/crater/target/debug/deps/liblazy_static-f0ae2b35d74e16dd.rlib" "/opt/crater/target/debug/deps/libdlib-378ee97c62f0bc26.rlib" "/opt/crater/target/debug/deps/liblibloading-af69df8af4efe5f4.rlib" "/opt/crater/target/debug/deps/libcrossbeam-727cb0fddca831d2.rlib" "/opt/crater/target/debug/deps/libbitflags-e424d0a7dda42873.rlib" "/opt/crater/target/debug/deps/libx11_dl-bc63ed6e6de4e17c.rlib" "/opt/crater/target/debug/deps/libshared_library-90cd416922125a1d.rlib" "/opt/crater/target/debug/deps/libsmallvec-d5983406a4a9d722.rlib" "/opt/crater/target/debug/deps/libbacktrace-8dbab0854e034857.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-b76d80dd251fefef.rlib" "/opt/crater/target/debug/deps/librustc_demangle-7e1e84fc0d2949f5.rlib" "/opt/crater/target/debug/deps/libcfg_if-e3a657be82e73c34.rlib" "/opt/crater/target/debug/deps/libdbghelp-610e6a484d3f70b3.rlib" "/opt/crater/target/debug/deps/libwinapi-387a29eb28388c06.rlib" "/opt/crater/target/debug/deps/libkernel32-f16f9b42bdd87fed.rlib" "/opt/crater/target/debug/deps/liblibc-1466dc2378834e22.rlib" "/opt/crater/target/debug/deps/liblazy_static-324b27031227093c.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" "-ldl" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-8dbab0854e034857.rlib(backtrace-8dbab0854e034857.backtrace.c3vl8oqh-cgu.15.rcgu.o): In function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:150: undefined reference to `backtrace_create_state'
[INFO] [stderr]           /opt/crater/target/debug/deps/libbacktrace-8dbab0854e034857.rlib(backtrace-8dbab0854e034857.backtrace.c3vl8oqh-cgu.15.rcgu.o): In function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:167: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.2.3/src/symbolize/libbacktrace.rs:171: undefined reference to `backtrace_syminfo'
[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 `ex-triangle`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d6a4b16117a2d95f69e7f491bed2c3bf18a7a344f91f92d238f88881ee6c20d6"`
[INFO] running `"docker" "rm" "-f" "d6a4b16117a2d95f69e7f491bed2c3bf18a7a344f91f92d238f88881ee6c20d6"`
[INFO] [stdout] d6a4b16117a2d95f69e7f491bed2c3bf18a7a344f91f92d238f88881ee6c20d6