[INFO] updating cached repository onelson/loose-coupling
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/onelson/loose-coupling
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/onelson/loose-coupling" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/onelson/loose-coupling"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/onelson/loose-coupling'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/onelson/loose-coupling" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/onelson/loose-coupling"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/onelson/loose-coupling'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f9f11af233ce1d8de3d3f1e7f8c419da841f53f
[INFO] sha for GitHub repo onelson/loose-coupling: 4f9f11af233ce1d8de3d3f1e7f8c419da841f53f
[INFO] validating manifest of onelson/loose-coupling 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 onelson/loose-coupling 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 onelson/loose-coupling
[INFO] finished frobbing onelson/loose-coupling
[INFO] frobbed toml for onelson/loose-coupling written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/onelson/loose-coupling/Cargo.toml
[INFO] started frobbing onelson/loose-coupling
[INFO] finished frobbing onelson/loose-coupling
[INFO] frobbed toml for onelson/loose-coupling written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/onelson/loose-coupling/Cargo.toml
[INFO] crate onelson/loose-coupling 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 onelson/loose-coupling against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-6/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/onelson/loose-coupling:/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] 063113ab1375e521ea6179fa82a22e41c9e64d44221b330196d54823df31cc02
[INFO] running `"docker" "start" "-a" "063113ab1375e521ea6179fa82a22e41c9e64d44221b330196d54823df31cc02"`
[INFO] [stderr]    Compiling phf_shared v0.7.20
[INFO] [stderr]    Compiling serde v0.8.19
[INFO] [stderr]    Compiling atom v0.3.4
[INFO] [stderr]    Compiling threadpool v1.3.2
[INFO] [stderr]    Compiling tuple_utils v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.3.5
[INFO] [stderr]    Compiling shared_library v0.1.5
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling silverknife-fontconfig-sys v0.1.0
[INFO] [stderr]    Compiling nodrop v0.1.8
[INFO] [stderr]    Compiling gif v0.9.0
[INFO] [stderr]    Compiling stb_truetype v0.2.0
[INFO] [stderr]    Compiling num-bigint v0.1.35
[INFO] [stderr]    Compiling phf_generator v0.7.20
[INFO] [stderr]    Compiling phf v0.7.20
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling phf_codegen v0.7.20
[INFO] [stderr]    Compiling x11-dl v2.11.0
[INFO] [stderr]    Compiling arrayvec v0.3.20
[INFO] [stderr]    Compiling jpeg-decoder v0.1.8
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling tempfile v2.1.4
[INFO] [stderr]    Compiling target_build_utils v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.5.2
[INFO] [stderr]    Compiling font-loader v0.1.0
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling num-rational v0.1.35
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling rusttype v0.2.1
[INFO] [stderr]    Compiling flate2 v0.2.14
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling specs v0.7.0
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling glium v0.15.0
[INFO] [stderr]    Compiling serde_json v0.8.4
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling enum_primitive v0.1.0
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling libloading v0.3.1
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling radiant-rs v0.1.1
[INFO] [stderr]    Compiling loose-coupling v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/main.rs:41:24
[INFO] [stderr]    |
[INFO] [stderr] 41 |     utils::renderloop(|state| {
[INFO] [stderr]    |                        ^^^^^ help: consider prefixing with an underscore: `_state`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[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/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.loose_coupling.aev3oq82-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0" "/opt/crater/target/debug/deps/loose_coupling-3d16c829640e33f0.5d33yhvjn9k9jepx.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/target/debug/build/miniz-sys-1e3f5fca88db8b26/out" "-L" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libradiant_rs-80419db1a4e1d2f1.rlib" "/opt/crater/target/debug/deps/libfont_loader-f8c0db1251ba26ba.rlib" "/opt/crater/target/debug/deps/libfontconfig_sys-c3bf0287a282d0be.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-e5e2cb421d882df6.rlib" "/opt/crater/target/debug/deps/librusttype-cd322301efc91fa1.rlib" "/opt/crater/target/debug/deps/liblinked_hash_map-e2d6a6bd142d50a1.rlib" "/opt/crater/target/debug/deps/libstb_truetype-1b14db5400f39969.rlib" "/opt/crater/target/debug/deps/libbyteorder-1040c90e657cacb9.rlib" "/opt/crater/target/debug/deps/libarrayvec-5d43318e9bee91a6.rlib" "/opt/crater/target/debug/deps/libnodrop-97123547e5fbc0ee.rlib" "/opt/crater/target/debug/deps/libodds-80a55dd05e365cb8.rlib" "/opt/crater/target/debug/deps/libregex-24eb768b17fd56bb.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-ad1dc04e0493bd3b.rlib" "/opt/crater/target/debug/deps/libregex_syntax-a441907bce371315.rlib" "/opt/crater/target/debug/deps/libthread_local-78902114aa178f26.rlib" "/opt/crater/target/debug/deps/libthread_id-162f97a651bb5caf.rlib" "/opt/crater/target/debug/deps/libaho_corasick-b4080891edb2dc45.rlib" "/opt/crater/target/debug/deps/libmemchr-752770a70d883cf6.rlib" "/opt/crater/target/debug/deps/libimage-cf2ff7d4c8ca4e85.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-ffdfca7dd1afbc9c.rlib" "/opt/crater/target/debug/deps/libgif-1e9dd8da52d08a1b.rlib" "/opt/crater/target/debug/deps/libcolor_quant-68590cbf13828d87.rlib" "/opt/crater/target/debug/deps/liblzw-0d6bccb65185d2a5.rlib" "/opt/crater/target/debug/deps/libjpeg_decoder-b4d98d894690589a.rlib" "/opt/crater/target/debug/deps/librayon-d5fd38288435c4c4.rlib" "/opt/crater/target/debug/deps/libnum_cpus-4222494f47db7587.rlib" "/opt/crater/target/debug/deps/libdeque-e0feac69409e56dc.rlib" "/opt/crater/target/debug/deps/libpng-052e36beb7fe4812.rlib" "/opt/crater/target/debug/deps/libflate2-c999ea3ce743f1a0.rlib" "/opt/crater/target/debug/deps/libminiz_sys-b40150940c1d2355.rlib" "/opt/crater/target/debug/deps/libinflate-16d5d5d4fb1be006.rlib" "/opt/crater/target/debug/deps/libenum_primitive-5fb523d4651a21e9.rlib" "/opt/crater/target/debug/deps/libnum-c366eb271fea9631.rlib" "/opt/crater/target/debug/deps/libnum_complex-109462234b92fa8f.rlib" "/opt/crater/target/debug/deps/libnum_rational-2e0273a68ef12c75.rlib" "/opt/crater/target/debug/deps/libnum_bigint-ef5d4cf3746fb640.rlib" "/opt/crater/target/debug/deps/librustc_serialize-746afecadf994b7c.rlib" "/opt/crater/target/debug/deps/libnum_iter-2184a3e5c79aebad.rlib" "/opt/crater/target/debug/deps/libnum_integer-006789bef05da2bf.rlib" "/opt/crater/target/debug/deps/libnum_traits-7af8442081a08a2a.rlib" "/opt/crater/target/debug/deps/libglium-428e5c88cad42a43.rlib" "/opt/crater/target/debug/deps/libglutin-f1520470890bfd1d.rlib" "/opt/crater/target/debug/deps/libwayland_window-83609c7d65ed4c43.rlib" "/opt/crater/target/debug/deps/libtempfile-75154b1c62f49156.rlib" "/opt/crater/target/debug/deps/libbyteorder-f73e38a3da06a0ba.rlib" "/opt/crater/target/debug/deps/libwayland_kbd-3538b5054a80cff1.rlib" "/opt/crater/target/debug/deps/libmemmap-17f6c6bb07b05b10.rlib" "/opt/crater/target/debug/deps/libosmesa_sys-9f7d18de51f3c3df.rlib" "/opt/crater/target/debug/deps/libwayland_client-3365b212410c6783.rlib" "/opt/crater/target/debug/deps/libwayland_sys-a8206b0cfde585bd.rlib" "/opt/crater/target/debug/deps/liblazy_static-17a1dfe8df737fe1.rlib" "/opt/crater/target/debug/deps/libdlib-98350e4e5449f53a.rlib" "/opt/crater/target/debug/deps/liblibloading-30f4264a92455012.rlib" "/opt/crater/target/debug/deps/libcrossbeam-c61a9b0f27a2d7f4.rlib" "/opt/crater/target/debug/deps/libbitflags-a08c32e0d1827ba5.rlib" "/opt/crater/target/debug/deps/libx11_dl-207d1fa2174d8648.rlib" "/opt/crater/target/debug/deps/libshared_library-6be27fb0e7eb7012.rlib" "/opt/crater/target/debug/deps/libsmallvec-6223ca88d0870ac5.rlib" "/opt/crater/target/debug/deps/libbacktrace-cbe78af4e6666e5e.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-5f69e2b6ed03b523.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/liblazy_static-126057301ec7e4c8.rlib" "/opt/crater/target/debug/deps/librand-25c25302f11e0dea.rlib" "/opt/crater/target/debug/deps/libspecs-47674541229a241d.rlib" "/opt/crater/target/debug/deps/libtuple_utils-0a2c1b386df39159.rlib" "/opt/crater/target/debug/deps/libfnv-bbe424c3a9a88706.rlib" "/opt/crater/target/debug/deps/libthreadpool-84d613f1dcfe6dc9.rlib" "/opt/crater/target/debug/deps/libpulse-633030dc1e7b4852.rlib" "/opt/crater/target/debug/deps/libatom-2c3f73da1a03f4e6.rlib" "/opt/crater/target/debug/deps/libmopa-2cf384341c7153cd.rlib" "/opt/crater/target/debug/deps/libtime-c02608636b985800.rlib" "/opt/crater/target/debug/deps/liblibc-7f3cd8e33873d9dc.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" "-lfontconfig" "-lfreetype" "-ldl" "-ldl" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-cbe78af4e6666e5e.rlib(backtrace-cbe78af4e6666e5e.backtrace.5oc56oh3-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-cbe78af4e6666e5e.rlib(backtrace-cbe78af4e6666e5e.backtrace.5oc56oh3-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 `loose-coupling`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "063113ab1375e521ea6179fa82a22e41c9e64d44221b330196d54823df31cc02"`
[INFO] running `"docker" "rm" "-f" "063113ab1375e521ea6179fa82a22e41c9e64d44221b330196d54823df31cc02"`
[INFO] [stdout] 063113ab1375e521ea6179fa82a22e41c9e64d44221b330196d54823df31cc02