[INFO] updating cached repository magnonellie/cam-to-hue
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/magnonellie/cam-to-hue
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/magnonellie/cam-to-hue" "work/ex/beta-1.38-1/sources/1.37.0/gh/magnonellie/cam-to-hue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/magnonellie/cam-to-hue'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/magnonellie/cam-to-hue" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/magnonellie/cam-to-hue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/magnonellie/cam-to-hue'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4eff8d82e5b22b87993c7273e70cebff0755524f
[INFO] sha for GitHub repo magnonellie/cam-to-hue: 4eff8d82e5b22b87993c7273e70cebff0755524f
[INFO] validating manifest of magnonellie/cam-to-hue 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 magnonellie/cam-to-hue 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 magnonellie/cam-to-hue
[INFO] finished frobbing magnonellie/cam-to-hue
[INFO] frobbed toml for magnonellie/cam-to-hue written to work/ex/beta-1.38-1/sources/1.37.0/gh/magnonellie/cam-to-hue/Cargo.toml
[INFO] started frobbing magnonellie/cam-to-hue
[INFO] finished frobbing magnonellie/cam-to-hue
[INFO] frobbed toml for magnonellie/cam-to-hue written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/magnonellie/cam-to-hue/Cargo.toml
[INFO] crate magnonellie/cam-to-hue 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 magnonellie/cam-to-hue 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/magnonellie/cam-to-hue:/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] 012c9f60b34accc4ec237857173435c402bd3a0aebe9ec4c970e425644051dd6
[INFO] running `"docker" "start" "-a" "012c9f60b34accc4ec237857173435c402bd3a0aebe9ec4c970e425644051dd6"`
[INFO] [stderr]    Compiling quote v0.3.14
[INFO] [stderr]    Compiling serde v0.9.10
[INFO] [stderr]    Compiling exoquant v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling synom v0.11.2
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling rscam v0.5.3
[INFO] [stderr]    Compiling deflate v0.7.4
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling syn v0.11.8
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.11
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]    Compiling image v0.12.3
[INFO] [stderr]    Compiling serde_derive v0.9.10
[INFO] [stderr]    Compiling serde_json v0.9.8
[INFO] [stderr]    Compiling hyper-openssl v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling error-chain v0.8.1
[INFO] [stderr]    Compiling philipshue v0.3.1
[INFO] [stderr]    Compiling cam-to-hue v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `time::PreciseTime`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use time::PreciseTime;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save_rgb_buffer`
[INFO] [stderr]    --> src/main.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn save_rgb_buffer(buffer: &[u8], width: u32, height: u32, path: &'static str) -> Result<(), std::io::Error> {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] 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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.cam_to_hue.asgwh9u1-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468" "/opt/crater/target/debug/deps/cam_to_hue-1a9ee3c8be9ae468.3dj51qgtjwesyimy.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/backtrace-sys-9d5aafb3da20454e/out/.libs" "-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/libphilipshue-5027c3d033609d44.rlib" "/opt/crater/target/debug/deps/liberror_chain-c71cae2e400dd5cf.rlib" "/opt/crater/target/debug/deps/libbacktrace-a7299c2a79054cf2.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-12c688860ea130cc.rlib" "/opt/crater/target/debug/deps/librustc_demangle-8f8c16b2024dd893.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/libhyper_openssl-a815e68440f3fc63.rlib" "/opt/crater/target/debug/deps/libopenssl-1b2a499daf8dcfc4.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-5493d483188a100a.rlib" "/opt/crater/target/debug/deps/liblazy_static-287e3c5731c128ca.rlib" "/opt/crater/target/debug/deps/libforeign_types-47fd4dbd69e06379.rlib" "/opt/crater/target/debug/deps/libantidote-94a850dfe0d209c0.rlib" "/opt/crater/target/debug/deps/libhyper-281be80e3879d8f6.rlib" "/opt/crater/target/debug/deps/libmime-8d36155f96c88998.rlib" "/opt/crater/target/debug/deps/liblog-cde2563351553608.rlib" "/opt/crater/target/debug/deps/liblanguage_tags-31855a1d4a2b270f.rlib" "/opt/crater/target/debug/deps/libtypeable-f6f402f054f36331.rlib" "/opt/crater/target/debug/deps/libtraitobject-3a7ff072fb9c31e5.rlib" "/opt/crater/target/debug/deps/libhttparse-6ab5dded4724cea6.rlib" "/opt/crater/target/debug/deps/libunicase-1adbc7860ffb9668.rlib" "/opt/crater/target/debug/deps/liburl-115ca2100ca368f1.rlib" "/opt/crater/target/debug/deps/libidna-929f8af32926d432.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-dff196a04df9444c.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-97cf5b0b735cfe89.rlib" "/opt/crater/target/debug/deps/libmatches-f35061b215c2511f.rlib" "/opt/crater/target/debug/deps/libtime-62f5cc98a53640cb.rlib" "/opt/crater/target/debug/deps/librustc_serialize-eee3b26c21f1fbaf.rlib" "/opt/crater/target/debug/deps/libserde_json-62cff82fa613fc0c.rlib" "/opt/crater/target/debug/deps/libdtoa-1c4700e753594894.rlib" "/opt/crater/target/debug/deps/libitoa-9badb07f008c61e2.rlib" "/opt/crater/target/debug/deps/libserde-251f7c9298e5dde3.rlib" "/opt/crater/target/debug/deps/libexoquant-ec449483eda7cd2e.rlib" "/opt/crater/target/debug/deps/libimage-5d7a78002080e10b.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-71d3f86c183f04a6.rlib" "/opt/crater/target/debug/deps/libgif-bfc39a18faf63c93.rlib" "/opt/crater/target/debug/deps/libcolor_quant-a3347af2ac87caa9.rlib" "/opt/crater/target/debug/deps/liblzw-1f37f345e8096c7b.rlib" "/opt/crater/target/debug/deps/libjpeg_decoder-5f15b60cfb011435.rlib" "/opt/crater/target/debug/deps/librayon-9a55dbaccd8cd06e.rlib" "/opt/crater/target/debug/deps/librand-a87ee065092092b3.rlib" "/opt/crater/target/debug/deps/libnum_cpus-d63828e89eab1387.rlib" "/opt/crater/target/debug/deps/libdeque-400973d56e73b167.rlib" "/opt/crater/target/debug/deps/libpng-268c26d1ae0ca6ea.rlib" "/opt/crater/target/debug/deps/libdeflate-365c5f434ba40803.rlib" "/opt/crater/target/debug/deps/libadler32-ae6cc66f867fbcf1.rlib" "/opt/crater/target/debug/deps/libinflate-c3ebc67038fd2709.rlib" "/opt/crater/target/debug/deps/libbitflags-05fa20c47058c1db.rlib" "/opt/crater/target/debug/deps/libenum_primitive-56aed02104bc6f9e.rlib" "/opt/crater/target/debug/deps/libnum_rational-a490975923cec565.rlib" "/opt/crater/target/debug/deps/libnum_iter-fa4ba9a2afe6dc3e.rlib" "/opt/crater/target/debug/deps/libnum_integer-ef4ea85bc9e35678.rlib" "/opt/crater/target/debug/deps/libnum_traits-b4e8227c37ddf86d.rlib" "/opt/crater/target/debug/deps/libbyteorder-3dffb2228fd53a71.rlib" "/opt/crater/target/debug/deps/librscam-f3a2e7943739f080.rlib" "/opt/crater/target/debug/deps/liblibc-3a9ab9364d9c9a5c.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" "-lssl" "-lcrypto" "-lv4l2" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lv4l2
[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 `cam-to-hue`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "012c9f60b34accc4ec237857173435c402bd3a0aebe9ec4c970e425644051dd6"`
[INFO] running `"docker" "rm" "-f" "012c9f60b34accc4ec237857173435c402bd3a0aebe9ec4c970e425644051dd6"`
[INFO] [stdout] 012c9f60b34accc4ec237857173435c402bd3a0aebe9ec4c970e425644051dd6