[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] a76c7d0a837aa812f49a73d9887eee0273a7c4b9
[INFO] testing cuiter/aicourse against beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiter%2Faicourse" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cuiter/aicourse on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rscam v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6eb89a3565ef111d2108bf8c8b0bbdf7da7cf8f7bba27f9b42482b552be373a1
[INFO] running `Command { std: "docker" "start" "-a" "6eb89a3565ef111d2108bf8c8b0bbdf7da7cf8f7bba27f9b42482b552be373a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6eb89a3565ef111d2108bf8c8b0bbdf7da7cf8f7bba27f9b42482b552be373a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb89a3565ef111d2108bf8c8b0bbdf7da7cf8f7bba27f9b42482b552be373a1", kill_on_drop: false }`
[INFO] [stdout] 6eb89a3565ef111d2108bf8c8b0bbdf7da7cf8f7bba27f9b42482b552be373a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91cfb04b772d743cb136202d3d82bbd7ea42cca2b05f8c7dbac5268c9449f5f6
[INFO] running `Command { std: "docker" "start" "-a" "91cfb04b772d743cb136202d3d82bbd7ea42cca2b05f8c7dbac5268c9449f5f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[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 crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque 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: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcK0kkMz/symbols.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.aicourse_webcam.242e8196-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e.3zuj2yv10o8vihi0.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librscam-0bf80596ae17e173.rlib" "/opt/rustwide/target/debug/deps/libaicourse-4ad6e9988d8645c1.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-0baf0dc69e5150be.rlib" "/opt/rustwide/target/debug/deps/librand-713dab50edfa62f9.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-5b9bde9879467cbb.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-a4980a5c0afc511f.rlib" "/opt/rustwide/target/debug/deps/librand_core-85f395d6898739e2.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-44fc2ebaacc210de.rlib" "/opt/rustwide/target/debug/deps/librayon-b012be8cade05fcb.rlib" "/opt/rustwide/target/debug/deps/librayon_core-20e33bae94fce86b.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-929ac8a4873f399e.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-9c54767dd12af0c9.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-5354942949adb52f.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-54ff2283d814f48f.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-f8f1984a2d31db57.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-a040d04568e1cdfd.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-4b91d92129bcdda0.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-6f504a8ab2839ec6.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b22544e46cbb7baa.rlib" "/opt/rustwide/target/debug/deps/libeither-45a94b46bbd2de19.rlib" "/opt/rustwide/target/debug/deps/libndarray-70601f9443134e21.rlib" "/opt/rustwide/target/debug/deps/libmatrixmultiply-444d31cf94cf7d22.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-4335e89a650d362a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-b87a5fa699e131b0.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-9db12bc79a52b02f.rlib" "/opt/rustwide/target/debug/deps/librawpointer-6f2190d0a178b7fa.rlib" "/opt/rustwide/target/debug/deps/libsdl2-9a58f7c3c0b89e83.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-eb6c7d7e7a099c74.rlib" "/opt/rustwide/target/debug/deps/libbitflags-9667ec3d8c9ff014.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-86422d76b8bd90ed.rlib" "/opt/rustwide/target/debug/deps/liblibc-5a4a893b3d16b17e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0e29cc23c5e02021.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d903621768a861d9.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6d0225e655f31c13.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-9dbaf4eac7eaa079.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-27f05b3d42a66dd0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-4d73f1030321c9a2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2846c9e58abd0acb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a53d0f50415947be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d48e4b6abc25b9dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-2991859439ef1207.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-8a687517e4221bae.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-e07b554f6a67f5b3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b68238b7c3c619dd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d5e213e896c017e4.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0211a3b2e61d8689.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b371f055239ba51f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-e60518d2760eb01e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1ad943f92a4b1081.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f0d6e4d0fc1e80b4.rlib" "-Wl,-Bdynamic" "-lv4l2" "-lSDL2" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/aicourse_webcam-79f493e4bfe28a9e" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lv4l2: No such file or directory
[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` (bin "aicourse-webcam") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "91cfb04b772d743cb136202d3d82bbd7ea42cca2b05f8c7dbac5268c9449f5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91cfb04b772d743cb136202d3d82bbd7ea42cca2b05f8c7dbac5268c9449f5f6", kill_on_drop: false }`
[INFO] [stdout] 91cfb04b772d743cb136202d3d82bbd7ea42cca2b05f8c7dbac5268c9449f5f6
