[INFO] cloning repository https://github.com/cuiter/aicourse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cuiter/aicourse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiter%2Faicourse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiter%2Faicourse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c825a166d2859a276dea44b572fe700c57bd1170
[INFO] testing cuiter/aicourse against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiter%2Faicourse" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cuiter/aicourse on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cuiter/aicourse
[INFO] finished tweaking git repo https://github.com/cuiter/aicourse
[INFO] tweaked toml for git repo https://github.com/cuiter/aicourse written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cuiter/aicourse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded rscam v0.5.5
[INFO] [stderr]   Downloaded sdl2 v0.34.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90bb3a7c040037cd54d85e7d3f87c868486acf41d986e7b7caea9d2637bc3b03
[INFO] running `Command { std: "docker" "start" "-a" "90bb3a7c040037cd54d85e7d3f87c868486acf41d986e7b7caea9d2637bc3b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90bb3a7c040037cd54d85e7d3f87c868486acf41d986e7b7caea9d2637bc3b03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90bb3a7c040037cd54d85e7d3f87c868486acf41d986e7b7caea9d2637bc3b03", kill_on_drop: false }`
[INFO] [stdout] 90bb3a7c040037cd54d85e7d3f87c868486acf41d986e7b7caea9d2637bc3b03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b10ed6dd134ac9aacd62e7f6ee8673be857a2f32d495aa126c2134eb1812398
[INFO] running `Command { std: "docker" "start" "-a" "5b10ed6dd134ac9aacd62e7f6ee8673be857a2f32d495aa126c2134eb1812398", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rscam v0.5.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling aicourse v0.1.0 (/opt/rustwide/workdir/aicourse)
[INFO] [stderr]    Compiling aicourse-webcam v0.1.0 (/opt/rustwide/workdir/aicourse-webcam)
[INFO] [stderr]    Compiling aicourse-train v0.1.0 (/opt/rustwide/workdir/aicourse-train)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.aicourse_webcam.0fef2822-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4.3lpdqquhzk517du6.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librscam-7b3276dbc43f59bc.rlib" "/opt/rustwide/target/debug/deps/libaicourse-746daf510292711c.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-31710ab6c9c826e7.rlib" "/opt/rustwide/target/debug/deps/librand-09fb59801b219b89.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-89eebcde3b3b3858.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-12446cf64d5fca02.rlib" "/opt/rustwide/target/debug/deps/librand_core-8161948ed292e7b0.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-cf5183385ad97a03.rlib" "/opt/rustwide/target/debug/deps/librayon-89c7eabe7890a309.rlib" "/opt/rustwide/target/debug/deps/librayon_core-516ba1a84d8f7153.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-abcceef594eb68d8.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-f3d9a5236d88117b.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-eb1b45cfb69db4b5.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-77ffbe2fe379a2bf.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-6d22d71e0799b359.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-2977368c2fc7fdea.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-1742f3bbb341041f.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-695311e2d4eb5931.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ffb7f11ad1437080.rlib" "/opt/rustwide/target/debug/deps/libeither-7f2a38f86cf8a56e.rlib" "/opt/rustwide/target/debug/deps/libndarray-9214321e6a979059.rlib" "/opt/rustwide/target/debug/deps/libmatrixmultiply-be272edc1c86c138.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-f8226731b2342ff0.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-7e22867d803eca03.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-5f1af6c7b2d95f3d.rlib" "/opt/rustwide/target/debug/deps/librawpointer-a0c03858c15bcfd5.rlib" "/opt/rustwide/target/debug/deps/libsdl2-f75f64f2540f187b.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-d1cbcb49db181c49.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e09638bf9aca31b4.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-e92083d5a39a8b50.rlib" "/opt/rustwide/target/debug/deps/liblibc-669c26868972fb95.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lv4l2" "-lSDL2" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/aicourse_webcam-d3e99ac5268a4cc4" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lv4l2
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aicourse-webcam` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5b10ed6dd134ac9aacd62e7f6ee8673be857a2f32d495aa126c2134eb1812398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b10ed6dd134ac9aacd62e7f6ee8673be857a2f32d495aa126c2134eb1812398", kill_on_drop: false }`
[INFO] [stdout] 5b10ed6dd134ac9aacd62e7f6ee8673be857a2f32d495aa126c2134eb1812398
