[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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/floriama/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/floriama/mandelbrot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/floriama/mandelbrot" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/floriama/mandelbrot"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/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 master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of floriama/mandelbrot on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "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/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/floriama/mandelbrot/Cargo.toml
[INFO] crate floriama/mandelbrot has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing floriama/mandelbrot against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-4/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] f66afb1cf3215fd1a1645299300cdaa48ca5ed65b6f3fe6741c01583b3269e9c
[INFO] running `"docker" "start" "-a" "f66afb1cf3215fd1a1645299300cdaa48ca5ed65b6f3fe6741c01583b3269e9c"`
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling backtrace v0.2.3
[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/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.mandelbrot.2qduksmm-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44" "/opt/crater/target/debug/deps/mandelbrot-ad302d7cf427fb44.4wt9yomaxzq7u73x.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libglium-4a7f9e61194f0888.rlib" "/opt/crater/target/debug/deps/libglutin-dc6731c72602d4fd.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-c7f14f5552bdb0df.rlib" "/opt/crater/target/debug/deps/libwinit-1f213674904b5a51.rlib" "/opt/crater/target/debug/deps/libwayland_window-582bf7fc5bb8a455.rlib" "/opt/crater/target/debug/deps/libtempfile-8d7d237cf0a63f51.rlib" "/opt/crater/target/debug/deps/librand-7f3a265a6d1fe083.rlib" "/opt/crater/target/debug/deps/libbyteorder-f73e38a3da06a0ba.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-82850d088545d47e.rlib" "/opt/crater/target/debug/deps/libmemmap-c9e2abc14d34d505.rlib" "/opt/crater/target/debug/deps/libwayland_client-10c534128b3d2a18.rlib" "/opt/crater/target/debug/deps/libwayland_sys-7644f4b0f80776bb.rlib" "/opt/crater/target/debug/deps/libdlib-4fdf0614478d97bb.rlib" "/opt/crater/target/debug/deps/liblibloading-dd7e31b3bb48c31d.rlib" "/opt/crater/target/debug/deps/libbitflags-a08c32e0d1827ba5.rlib" "/opt/crater/target/debug/deps/libx11_dl-eedfe855025e5ab4.rlib" "/opt/crater/target/debug/deps/libshared_library-b4fa3e6e070ed8b9.rlib" "/opt/crater/target/debug/deps/libfnv-bbe424c3a9a88706.rlib" "/opt/crater/target/debug/deps/libsmallvec-6223ca88d0870ac5.rlib" "/opt/crater/target/debug/deps/libbacktrace-fbfd5e9c54843e07.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-556963c36806941b.rlib" "/opt/crater/target/debug/deps/librustc_demangle-bedd9530c131cc28.rlib" "/opt/crater/target/debug/deps/libcfg_if-093b3a73669c0adf.rlib" "/opt/crater/target/debug/deps/libdbghelp-b3513b10232833cd.rlib" "/opt/crater/target/debug/deps/libwinapi-7dff080b6462bfe0.rlib" "/opt/crater/target/debug/deps/libkernel32-9b717afd956943fe.rlib" "/opt/crater/target/debug/deps/liblibc-f4f67c86108d8fe9.rlib" "/opt/crater/target/debug/deps/liblazy_static-126057301ec7e4c8.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8469d768695d9748.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-786c0f406992159b.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-eda54ffd3e6402cc.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3b59adbc83c396a4.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d2bb09f4dcbd4be.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e96acda46b77a2fd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-596074f575b1f832.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-57f280c1596673cd.rlib" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-16132b5b2ecf9ec1.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-37286a0a9c4289ff.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-fbfd5e9c54843e07.rlib(backtrace-fbfd5e9c54843e07.backtrace.5b3194k4-cgu.12.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-fbfd5e9c54843e07.rlib(backtrace-fbfd5e9c54843e07.backtrace.5b3194k4-cgu.12.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" "f66afb1cf3215fd1a1645299300cdaa48ca5ed65b6f3fe6741c01583b3269e9c"`
[INFO] running `"docker" "rm" "-f" "f66afb1cf3215fd1a1645299300cdaa48ca5ed65b6f3fe6741c01583b3269e9c"`
[INFO] [stdout] f66afb1cf3215fd1a1645299300cdaa48ca5ed65b6f3fe6741c01583b3269e9c