[INFO] crate ledcat 0.1.5 is already in cache
[INFO] extracting crate ledcat 0.1.5 into work/ex/beta-1.37-6/sources/1.36.0/reg/ledcat/0.1.5
[INFO] extracting crate ledcat 0.1.5 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ledcat/0.1.5
[INFO] validating manifest of ledcat-0.1.5 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 ledcat-0.1.5 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 ledcat-0.1.5
[INFO] finished frobbing ledcat-0.1.5
[INFO] frobbed toml for ledcat-0.1.5 written to work/ex/beta-1.37-6/sources/1.36.0/reg/ledcat/0.1.5/Cargo.toml
[INFO] started frobbing ledcat-0.1.5
[INFO] finished frobbing ledcat-0.1.5
[INFO] frobbed toml for ledcat-0.1.5 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/ledcat/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 ledcat-0.1.5 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/ledcat/0.1.5:/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] fc668be0d450f738d81699f5980f8198c3d8947cd122d88cdd5d7a7d5b5c9a37
[INFO] running `"docker" "start" "-a" "fc668be0d450f738d81699f5980f8198c3d8947cd122d88cdd5d7a7d5b5c9a37"`
[INFO] [stderr]    Compiling ledcat v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]    Compiling gpio v0.3.0
[INFO] [stderr]    Compiling derive-error v0.0.4
[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/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.ledcat.b18blyvr-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a" "/opt/crater/target/debug/deps/ledcat-6683e1157dc6827a.jwxf4j47m1l7tp5.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/workdir/components/rpi-rgb-led-matrix/lib" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "-lrgbmatrix" "-Wl,--no-whole-archive" "-Wl,-Bdynamic" "-lstdc++" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libregex-c3d123b3b5a26f66.rlib" "/opt/crater/target/debug/deps/libutf8_ranges-c6a873325be34359.rlib" "/opt/crater/target/debug/deps/libregex_syntax-8d712e1be50cb1b8.rlib" "/opt/crater/target/debug/deps/libucd_util-4ceb5a30356a8267.rlib" "/opt/crater/target/debug/deps/libthread_local-0d1f504ec86ae5ec.rlib" "/opt/crater/target/debug/deps/liblazy_static-35422c5bca3b6d90.rlib" "/opt/crater/target/debug/deps/libaho_corasick-153b065a541ebcf4.rlib" "/opt/crater/target/debug/deps/libmemchr-603e105d3530919e.rlib" "/opt/crater/target/debug/deps/libnix-f965ab38ced5e640.rlib" "/opt/crater/target/debug/deps/libvoid-2515ce9d4297bf7d.rlib" "/opt/crater/target/debug/deps/libbytes-cd83ef91f502b5dd.rlib" "/opt/crater/target/debug/deps/libiovec-b84ff3a7b76380d9.rlib" "/opt/crater/target/debug/deps/libnet2-b420542f6ed79dec.rlib" "/opt/crater/target/debug/deps/libcfg_if-29b6f8db75d699b1.rlib" "/opt/crater/target/debug/deps/libgpio-c836e650bb55a0d8.rlib" "/opt/crater/target/debug/deps/libclap-1b07d432c48143f5.rlib" "/opt/crater/target/debug/deps/libvec_map-543e31245cb37b03.rlib" "/opt/crater/target/debug/deps/libtextwrap-e00b32a731dbde30.rlib" "/opt/crater/target/debug/deps/libunicode_width-26f3734d51bc29d0.rlib" "/opt/crater/target/debug/deps/libstrsim-4a39029ad64e04f4.rlib" "/opt/crater/target/debug/deps/libbitflags-7220c27e9b431920.rlib" "/opt/crater/target/debug/deps/libatty-4a37f90f69ed8f4d.rlib" "/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.rlib" "/opt/crater/target/debug/deps/libansi_term-d78a4dc68e723c1a.rlib" "/opt/crater/target/debug/deps/libbyteorder-1ca0e27fd3a97256.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" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lrgbmatrix
[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 `ledcat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fc668be0d450f738d81699f5980f8198c3d8947cd122d88cdd5d7a7d5b5c9a37"`
[INFO] running `"docker" "rm" "-f" "fc668be0d450f738d81699f5980f8198c3d8947cd122d88cdd5d7a7d5b5c9a37"`
[INFO] [stdout] fc668be0d450f738d81699f5980f8198c3d8947cd122d88cdd5d7a7d5b5c9a37