[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-1.37-6/sources/1.36.0/gh/magnonellie/cam-to-hue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/magnonellie/cam-to-hue'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/magnonellie/cam-to-hue" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/magnonellie/cam-to-hue"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of magnonellie/cam-to-hue 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 magnonellie/cam-to-hue
[INFO] finished frobbing magnonellie/cam-to-hue
[INFO] frobbed toml for magnonellie/cam-to-hue written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 magnonellie/cam-to-hue against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 02493b2667953323a9ef3bcecc5eaba7ef84f13b699ce2ac8c3b5ba37cd7ff62
[INFO] running `"docker" "start" "-a" "02493b2667953323a9ef3bcecc5eaba7ef84f13b699ce2ac8c3b5ba37cd7ff62"`
[INFO] [stderr]    Compiling adler32 v0.3.0
[INFO] [stderr]    Compiling exoquant v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling rscam v0.5.3
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling deflate v0.7.4
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]    Compiling png v0.6.2
[INFO] [stderr]    Compiling jpeg-decoder v0.1.11
[INFO] [stderr]    Compiling image v0.12.3
[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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.cam_to_hue.ccvpn5jw-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa" "/opt/crater/target/debug/deps/cam_to_hue-cc5ab4b1e33e15fa.4qi0wold610shpl5.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-39d6b00afa81fa17/out/.libs" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libphilipshue-055b5e69aad06088.rlib" "/opt/crater/target/debug/deps/liberror_chain-d84b01cb7c216229.rlib" "/opt/crater/target/debug/deps/libbacktrace-a4e0f70f3d18b4eb.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-a0e93e86a6ceffb0.rlib" "/opt/crater/target/debug/deps/librustc_demangle-45ab7cf372e1eb20.rlib" "/opt/crater/target/debug/deps/libcfg_if-e3a657be82e73c34.rlib" "/opt/crater/target/debug/deps/libdbghelp-610e6a484d3f70b3.rlib" "/opt/crater/target/debug/deps/libwinapi-387a29eb28388c06.rlib" "/opt/crater/target/debug/deps/libkernel32-f16f9b42bdd87fed.rlib" "/opt/crater/target/debug/deps/libhyper_openssl-2b164374d3e82c62.rlib" "/opt/crater/target/debug/deps/libopenssl-56151006071dbb91.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-3f8ec1f014717f7a.rlib" "/opt/crater/target/debug/deps/liblazy_static-324b27031227093c.rlib" "/opt/crater/target/debug/deps/libforeign_types-deffbd4d465c6b34.rlib" "/opt/crater/target/debug/deps/libantidote-1bf644495c1bf2dd.rlib" "/opt/crater/target/debug/deps/libhyper-4ee8747068deb2d2.rlib" "/opt/crater/target/debug/deps/libmime-80863ec1318c80a3.rlib" "/opt/crater/target/debug/deps/liblog-bc9d51df88434be4.rlib" "/opt/crater/target/debug/deps/liblanguage_tags-c0eb57f43d2a41bf.rlib" "/opt/crater/target/debug/deps/libtypeable-fa4659829e02080f.rlib" "/opt/crater/target/debug/deps/libtraitobject-850d8bc7f31d985c.rlib" "/opt/crater/target/debug/deps/libhttparse-fcde16203cec7afc.rlib" "/opt/crater/target/debug/deps/libunicase-da202f8ce257135b.rlib" "/opt/crater/target/debug/deps/liburl-ff175e99b7548c59.rlib" "/opt/crater/target/debug/deps/libidna-7f180aaba4063333.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-babfd64d26dc5d14.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-62a19d0ca3de9585.rlib" "/opt/crater/target/debug/deps/libmatches-b41f009379eec519.rlib" "/opt/crater/target/debug/deps/libtime-4e0d0acb537ef45e.rlib" "/opt/crater/target/debug/deps/librustc_serialize-788fa727d6d1b52d.rlib" "/opt/crater/target/debug/deps/libserde_json-5eed5320a4d04312.rlib" "/opt/crater/target/debug/deps/libdtoa-522d04d34936557e.rlib" "/opt/crater/target/debug/deps/libitoa-9ebfd626e354a8ac.rlib" "/opt/crater/target/debug/deps/libserde-2cf78ebe2374c0b6.rlib" "/opt/crater/target/debug/deps/libexoquant-d2eda9b624536c36.rlib" "/opt/crater/target/debug/deps/libimage-8247893ecf7845a5.rlib" "/opt/crater/target/debug/deps/libscoped_threadpool-9be40babd3894ccc.rlib" "/opt/crater/target/debug/deps/libgif-eeaadba3e769ea42.rlib" "/opt/crater/target/debug/deps/libcolor_quant-6e891fcbc9841ec8.rlib" "/opt/crater/target/debug/deps/liblzw-0ccf98a99dabc5af.rlib" "/opt/crater/target/debug/deps/libjpeg_decoder-892f1f764f28d84c.rlib" "/opt/crater/target/debug/deps/librayon-a00fa182372a5edf.rlib" "/opt/crater/target/debug/deps/librand-7308ae73a954cef6.rlib" "/opt/crater/target/debug/deps/libnum_cpus-de5b624fbf60e740.rlib" "/opt/crater/target/debug/deps/libdeque-d58cecbab067a73f.rlib" "/opt/crater/target/debug/deps/libpng-373fb662a5d08da8.rlib" "/opt/crater/target/debug/deps/libdeflate-0414afa74a314781.rlib" "/opt/crater/target/debug/deps/libadler32-e6119315d2cd6172.rlib" "/opt/crater/target/debug/deps/libinflate-687c118f7b63ef9c.rlib" "/opt/crater/target/debug/deps/libbitflags-e424d0a7dda42873.rlib" "/opt/crater/target/debug/deps/libenum_primitive-485cfed2e22abbeb.rlib" "/opt/crater/target/debug/deps/libnum_rational-86bd366009e39e92.rlib" "/opt/crater/target/debug/deps/libnum_iter-b9761cec442e5055.rlib" "/opt/crater/target/debug/deps/libnum_integer-4eb4661723db5e22.rlib" "/opt/crater/target/debug/deps/libnum_traits-4937ae292242ae6b.rlib" "/opt/crater/target/debug/deps/libbyteorder-aba3fb3952136d53.rlib" "/opt/crater/target/debug/deps/librscam-464368abecd8237b.rlib" "/opt/crater/target/debug/deps/liblibc-3e8a307d81baba4b.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.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" "02493b2667953323a9ef3bcecc5eaba7ef84f13b699ce2ac8c3b5ba37cd7ff62"`
[INFO] running `"docker" "rm" "-f" "02493b2667953323a9ef3bcecc5eaba7ef84f13b699ce2ac8c3b5ba37cd7ff62"`
[INFO] [stdout] 02493b2667953323a9ef3bcecc5eaba7ef84f13b699ce2ac8c3b5ba37cd7ff62