[INFO] updating cached repository https://github.com/magnonellie/cam-to-hue
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4eff8d82e5b22b87993c7273e70cebff0755524f
[INFO] testing magnonellie/cam-to-hue against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagnonellie%2Fcam-to-hue" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magnonellie/cam-to-hue on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/magnonellie/cam-to-hue
[INFO] finished tweaking git repo https://github.com/magnonellie/cam-to-hue
[INFO] tweaked toml for git repo https://github.com/magnonellie/cam-to-hue written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/magnonellie/cam-to-hue already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 90fcf4e2554db8aba2c64be2d9951538dd7f8b6992c6beeea7f5c8c12efaca61
[INFO] running `"docker" "start" "-a" "90fcf4e2554db8aba2c64be2d9951538dd7f8b6992c6beeea7f5c8c12efaca61"`
[INFO] [stderr]    Compiling openssl v0.9.7
[INFO] [stderr]    Compiling quote v0.3.14
[INFO] [stderr]    Compiling serde v0.9.10
[INFO] [stderr]    Compiling openssl-sys v0.9.7
[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 backtrace-sys v0.1.10
[INFO] [stderr]    Compiling hyper v0.10.4
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling syn v0.11.8
[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 hyper-openssl v0.2.3
[INFO] [stderr]    Compiling serde_json v0.9.8
[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/rustwide/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/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.cam_to_hue.4ue962v4-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44" "/opt/rustwide/target/debug/deps/cam_to_hue-cc131393c93ebe44.1du0v9o9kr5jocdb.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-67adde88d6455f4a/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libphilipshue-bd06445f3936c30c.rlib" "/opt/rustwide/target/debug/deps/liberror_chain-60459be88bff2864.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-a193c625135f97f0.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-596b5a4c9498304f.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-035cba077b0cacdf.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ee9c646034ef66ea.rlib" "/opt/rustwide/target/debug/deps/libdbghelp-23e20d380365d074.rlib" "/opt/rustwide/target/debug/deps/libwinapi-bb617a79d74be5b6.rlib" "/opt/rustwide/target/debug/deps/libkernel32-1679ae7f1d789e35.rlib" "/opt/rustwide/target/debug/deps/libhyper_openssl-f63b9ff684bba960.rlib" "/opt/rustwide/target/debug/deps/libopenssl-26d54227324ccef6.rlib" "/opt/rustwide/target/debug/deps/libopenssl_sys-ff99166bf91751d3.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e52bcf7d8c56d52a.rlib" "/opt/rustwide/target/debug/deps/libforeign_types-d0dac74603784e0d.rlib" "/opt/rustwide/target/debug/deps/libantidote-1f78ccf22a2b7ff1.rlib" "/opt/rustwide/target/debug/deps/libhyper-027608146f8165f4.rlib" "/opt/rustwide/target/debug/deps/libmime-b3a2630b93fde7ef.rlib" "/opt/rustwide/target/debug/deps/liblog-6f9e0f7c5ccac4ac.rlib" "/opt/rustwide/target/debug/deps/liblanguage_tags-80e5323f3e2076fe.rlib" "/opt/rustwide/target/debug/deps/libtypeable-5c9b4b603b252d37.rlib" "/opt/rustwide/target/debug/deps/libtraitobject-235f181d16e6a74a.rlib" "/opt/rustwide/target/debug/deps/libhttparse-bf0c293dd037328b.rlib" "/opt/rustwide/target/debug/deps/libunicase-2f7797cede817fe6.rlib" "/opt/rustwide/target/debug/deps/liburl-5a739b287a278985.rlib" "/opt/rustwide/target/debug/deps/libidna-040e19351813c81d.rlib" "/opt/rustwide/target/debug/deps/libunicode_normalization-5f123773124974e8.rlib" "/opt/rustwide/target/debug/deps/libunicode_bidi-84ecaa43bd0493cf.rlib" "/opt/rustwide/target/debug/deps/libmatches-59839b56c90f23f1.rlib" "/opt/rustwide/target/debug/deps/libtime-0e25cb92920f93d4.rlib" "/opt/rustwide/target/debug/deps/librustc_serialize-69e249ae3cdd1326.rlib" "/opt/rustwide/target/debug/deps/libserde_json-740404f6a56e7646.rlib" "/opt/rustwide/target/debug/deps/libdtoa-dd157f88c0cf03af.rlib" "/opt/rustwide/target/debug/deps/libitoa-ffd0a95b1e85f537.rlib" "/opt/rustwide/target/debug/deps/libserde-45a8c0f12e6584f1.rlib" "/opt/rustwide/target/debug/deps/libexoquant-294555b83152ab27.rlib" "/opt/rustwide/target/debug/deps/libimage-82817a8965cc6dca.rlib" "/opt/rustwide/target/debug/deps/libscoped_threadpool-3b87b6512292d5f3.rlib" "/opt/rustwide/target/debug/deps/libgif-9585edcb15cb9982.rlib" "/opt/rustwide/target/debug/deps/libcolor_quant-836d2c92f1146f54.rlib" "/opt/rustwide/target/debug/deps/liblzw-cee06389c23927f5.rlib" "/opt/rustwide/target/debug/deps/libjpeg_decoder-23afe1e732ff637b.rlib" "/opt/rustwide/target/debug/deps/librayon-07c7115f1bbbc91a.rlib" "/opt/rustwide/target/debug/deps/librand-6cc1c5c411020da7.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-c68d9cd82a285373.rlib" "/opt/rustwide/target/debug/deps/libdeque-229c848952d7a46d.rlib" "/opt/rustwide/target/debug/deps/libpng-6e5816e2c2408858.rlib" "/opt/rustwide/target/debug/deps/libdeflate-bf9bf45e771edd67.rlib" "/opt/rustwide/target/debug/deps/libadler32-2b14d1c4afe0f49c.rlib" "/opt/rustwide/target/debug/deps/libinflate-4b3240310b116ea6.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8e02dfeceb8e06ce.rlib" "/opt/rustwide/target/debug/deps/libenum_primitive-0c6d9ff08451773f.rlib" "/opt/rustwide/target/debug/deps/libnum_rational-e912833e0c403bb7.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-dae98f340cb55576.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c4dd5998dbf537f7.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-6f8f4282a740ce1a.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-6a3be24ba06af785.rlib" "/opt/rustwide/target/debug/deps/librscam-1e0c9b2585fc425b.rlib" "/opt/rustwide/target/debug/deps/liblibc-e2f58dbe2dfde381.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.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" "90fcf4e2554db8aba2c64be2d9951538dd7f8b6992c6beeea7f5c8c12efaca61"`
[INFO] running `"docker" "rm" "-f" "90fcf4e2554db8aba2c64be2d9951538dd7f8b6992c6beeea7f5c8c12efaca61"`
[INFO] [stdout] 90fcf4e2554db8aba2c64be2d9951538dd7f8b6992c6beeea7f5c8c12efaca61