[INFO] updating cached repository aaron-lebo/bears
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aaron-lebo/bears
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aaron-lebo/bears" "work/ex/beta-1.37-6/sources/1.36.0/gh/aaron-lebo/bears"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aaron-lebo/bears'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aaron-lebo/bears" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aaron-lebo/bears"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aaron-lebo/bears'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 861aec0033524ebb5f99cb0515915f5ae67b91d7
[INFO] sha for GitHub repo aaron-lebo/bears: 861aec0033524ebb5f99cb0515915f5ae67b91d7
[INFO] validating manifest of aaron-lebo/bears 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 aaron-lebo/bears 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 aaron-lebo/bears
[INFO] finished frobbing aaron-lebo/bears
[INFO] frobbed toml for aaron-lebo/bears written to work/ex/beta-1.37-6/sources/1.36.0/gh/aaron-lebo/bears/Cargo.toml
[INFO] started frobbing aaron-lebo/bears
[INFO] finished frobbing aaron-lebo/bears
[INFO] frobbed toml for aaron-lebo/bears written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aaron-lebo/bears/Cargo.toml
[INFO] crate aaron-lebo/bears 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 aaron-lebo/bears 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/gh/aaron-lebo/bears:/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] 35b179b3abcf4fd7f082924ca1a590146ef5504646e18cc74365d4646162adc1
[INFO] running `"docker" "start" "-a" "35b179b3abcf4fd7f082924ca1a590146ef5504646e18cc74365d4646162adc1"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling bears 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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.bears.b25akp94-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/bears-62259a8d5c297106" "/opt/crater/target/debug/deps/bears-62259a8d5c297106.jxq1f1la7cct3uq.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libglium-27edd53fa004388b.rlib" "/opt/crater/target/debug/deps/libglutin-b6ab99d8c4f056ce.rlib" "/opt/crater/target/debug/deps/libwayland_window-48183415ea8b8c46.rlib" "/opt/crater/target/debug/deps/libtempfile-63b43febf10d4b3a.rlib" "/opt/crater/target/debug/deps/librand-ca2a4a314571917b.rlib" "/opt/crater/target/debug/deps/libbyteorder-1f5f1f9046363f44.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-8fa99c65b88b2b2b.rlib" "/opt/crater/target/debug/deps/libmemmap-b578dd35af45510d.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-2a785d74c4589e07.rlib" "/opt/crater/target/debug/deps/libwayland_client-776e63c39ebee6f0.rlib" "/opt/crater/target/debug/deps/libwayland_sys-7e2ad21cfc23de1f.rlib" "/opt/crater/target/debug/deps/liblazy_static-80c68ec466d08be3.rlib" "/opt/crater/target/debug/deps/libdlib-bea82f68625272fd.rlib" "/opt/crater/target/debug/deps/liblibloading-def967983494bebd.rlib" "/opt/crater/target/debug/deps/libcrossbeam-74e79b646380b665.rlib" "/opt/crater/target/debug/deps/libbitflags-df219a1ec24cdf3b.rlib" "/opt/crater/target/debug/deps/libx11_dl-0875f9a92a8122ce.rlib" "/opt/crater/target/debug/deps/libshared_library-f50621cc3ca3d1bd.rlib" "/opt/crater/target/debug/deps/libsmallvec-b1fe14462ebabc35.rlib" "/opt/crater/target/debug/deps/libbacktrace-7aed630126e8c7ce.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-d8f5755272e78f15.rlib" "/opt/crater/target/debug/deps/librustc_demangle-274c4da954efaa0a.rlib" "/opt/crater/target/debug/deps/libcfg_if-fcc9aff037f57c39.rlib" "/opt/crater/target/debug/deps/libdbghelp-4c5eeff50cd0cc4c.rlib" "/opt/crater/target/debug/deps/libwinapi-6779d1f046ce211b.rlib" "/opt/crater/target/debug/deps/libkernel32-579101ee9cfddddd.rlib" "/opt/crater/target/debug/deps/liblibc-da4b711171922317.rlib" "/opt/crater/target/debug/deps/liblazy_static-d7718b504e03d468.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.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-7aed630126e8c7ce.rlib(backtrace-7aed630126e8c7ce.backtrace.dr0z33n3-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-7aed630126e8c7ce.rlib(backtrace-7aed630126e8c7ce.backtrace.dr0z33n3-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 `bears`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "35b179b3abcf4fd7f082924ca1a590146ef5504646e18cc74365d4646162adc1"`
[INFO] running `"docker" "rm" "-f" "35b179b3abcf4fd7f082924ca1a590146ef5504646e18cc74365d4646162adc1"`
[INFO] [stdout] 35b179b3abcf4fd7f082924ca1a590146ef5504646e18cc74365d4646162adc1