[INFO] updating cached repository floriama/mandelbrot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/floriama/mandelbrot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/floriama/mandelbrot" "work/ex/beta-1.38-1/sources/1.37.0/gh/floriama/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/floriama/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/floriama/mandelbrot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/floriama/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/floriama/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] beda31dcd3337ce992fc99317ad28935cc432890
[INFO] sha for GitHub repo floriama/mandelbrot: beda31dcd3337ce992fc99317ad28935cc432890
[INFO] validating manifest of floriama/mandelbrot 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 floriama/mandelbrot 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 floriama/mandelbrot
[INFO] finished frobbing floriama/mandelbrot
[INFO] frobbed toml for floriama/mandelbrot written to work/ex/beta-1.38-1/sources/1.37.0/gh/floriama/mandelbrot/Cargo.toml
[INFO] started frobbing floriama/mandelbrot
[INFO] finished frobbing floriama/mandelbrot
[INFO] frobbed toml for floriama/mandelbrot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/floriama/mandelbrot/Cargo.toml
[INFO] crate floriama/mandelbrot 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 floriama/mandelbrot against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/floriama/mandelbrot:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a5451872263a1cffd8f4e1895e8fc2be1160fbb1bc3184deb64797ba358ebf66
[INFO] running `"docker" "start" "-a" "a5451872263a1cffd8f4e1895e8fc2be1160fbb1bc3184deb64797ba358ebf66"`
[INFO] [stderr]    Compiling siphasher v0.2.0
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling x11-dl v2.12.0
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.7.6
[INFO] [stderr]    Compiling wayland-client v0.7.6
[INFO] [stderr]    Compiling wayland-kbd v0.6.2
[INFO] [stderr]    Compiling wayland-window v0.4.3
[INFO] [stderr]    Compiling winit v0.5.7
[INFO] [stderr]    Compiling glutin v0.7.2
[INFO] [stderr]    Compiling mandelbrot 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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.mandelbrot.13v3vbkl-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f" "/opt/crater/target/debug/deps/mandelbrot-5411c4284b89798f.82w7m0jun83g9sn.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libglium-f903a44d45f622eb.rlib" "/opt/crater/target/debug/deps/libglutin-830040770dc3f452.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-ba73bb1589e3c245.rlib" "/opt/crater/target/debug/deps/libwinit-bb86a0ee0ebe0947.rlib" "/opt/crater/target/debug/deps/libwayland_window-4874098bc784d70b.rlib" "/opt/crater/target/debug/deps/libtempfile-f7c45d8dfcd445e2.rlib" "/opt/crater/target/debug/deps/librand-a87ee065092092b3.rlib" "/opt/crater/target/debug/deps/libbyteorder-a3968c370c7b24cf.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-7164421f73d571e3.rlib" "/opt/crater/target/debug/deps/libmemmap-37b818146750330d.rlib" "/opt/crater/target/debug/deps/libwayland_client-34d36fe9f5629d56.rlib" "/opt/crater/target/debug/deps/libwayland_sys-ceb85c7595a761ba.rlib" "/opt/crater/target/debug/deps/libdlib-d2bb1040f6d40c2a.rlib" "/opt/crater/target/debug/deps/liblibloading-4972378e55fccebe.rlib" "/opt/crater/target/debug/deps/libbitflags-05fa20c47058c1db.rlib" "/opt/crater/target/debug/deps/libx11_dl-fc7577fc160155d5.rlib" "/opt/crater/target/debug/deps/libshared_library-c41458677ffcdb49.rlib" "/opt/crater/target/debug/deps/libfnv-590f8e3d6a0d0a2d.rlib" "/opt/crater/target/debug/deps/libsmallvec-1e4a6f6633b9c71f.rlib" "/opt/crater/target/debug/deps/libbacktrace-b19bce3f5af0c181.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-1887860ca680232e.rlib" "/opt/crater/target/debug/deps/librustc_demangle-550740f22608ec8c.rlib" "/opt/crater/target/debug/deps/libcfg_if-55146e185022d321.rlib" "/opt/crater/target/debug/deps/libdbghelp-94ab056f98c942bf.rlib" "/opt/crater/target/debug/deps/libwinapi-d699aca12e7b19a5.rlib" "/opt/crater/target/debug/deps/libkernel32-68d3558eb82f9807.rlib" "/opt/crater/target/debug/deps/liblibc-3a9ab9364d9c9a5c.rlib" "/opt/crater/target/debug/deps/liblazy_static-287e3c5731c128ca.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.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-b19bce3f5af0c181.rlib(backtrace-b19bce3f5af0c181.backtrace.eferwq8p-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-b19bce3f5af0c181.rlib(backtrace-b19bce3f5af0c181.backtrace.eferwq8p-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 `mandelbrot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a5451872263a1cffd8f4e1895e8fc2be1160fbb1bc3184deb64797ba358ebf66"`
[INFO] running `"docker" "rm" "-f" "a5451872263a1cffd8f4e1895e8fc2be1160fbb1bc3184deb64797ba358ebf66"`
[INFO] [stdout] a5451872263a1cffd8f4e1895e8fc2be1160fbb1bc3184deb64797ba358ebf66