[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 1.54.0 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-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cuiter/aicourse on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-15/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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 684da967a2d8b60693c4c38c6c7bf07a7bceef6d12a0a453d54cc58415ea70e7
[INFO] running `Command { std: "docker" "start" "-a" "684da967a2d8b60693c4c38c6c7bf07a7bceef6d12a0a453d54cc58415ea70e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "684da967a2d8b60693c4c38c6c7bf07a7bceef6d12a0a453d54cc58415ea70e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "684da967a2d8b60693c4c38c6c7bf07a7bceef6d12a0a453d54cc58415ea70e7", kill_on_drop: false }`
[INFO] [stdout] 684da967a2d8b60693c4c38c6c7bf07a7bceef6d12a0a453d54cc58415ea70e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e0c8dc2dad731165c926d2331190a07c1310503deabfbfbe44b61270c3280df
[INFO] running `Command { std: "docker" "start" "-a" "3e0c8dc2dad731165c926d2331190a07c1310503deabfbfbe44b61270c3280df", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling ndarray v0.13.1
[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-complex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling sdl2-sys v0.34.2
[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-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.aicourse_webcam.8s7l0vwv-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979.39pf7autwgjz13tz.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librscam-d6c8c4c891ad733f.rlib" "/opt/rustwide/target/debug/deps/libaicourse-7fe8f2cf160846d6.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-c6e45d370e2b7c5c.rlib" "/opt/rustwide/target/debug/deps/librand-93c0af9801779b92.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-0d8848e4518c8da4.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-4df7824a247de569.rlib" "/opt/rustwide/target/debug/deps/librand_core-89c0c6b5545d6191.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-1258e3f208efaa63.rlib" "/opt/rustwide/target/debug/deps/librayon-ffada1255453f6bc.rlib" "/opt/rustwide/target/debug/deps/librayon_core-7af900cc621019c3.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-f21d968eb823380b.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-143c618364be7d73.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-6e7c509b0868b7c6.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-7a1710762e6687e9.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-66f3e33f868e2172.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-338209f51768f162.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-79c2bd225d0d7f75.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-17ac005437abed86.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e7a28af79b261e75.rlib" "/opt/rustwide/target/debug/deps/libeither-d9f29bd14fabe55e.rlib" "/opt/rustwide/target/debug/deps/libndarray-913c8339489765db.rlib" "/opt/rustwide/target/debug/deps/libmatrixmultiply-967cdb52faf7e426.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-bb1b1538db5f1531.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-c7ffa659f3786a50.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-ade1b93fa105b2d5.rlib" "/opt/rustwide/target/debug/deps/librawpointer-007031bc2b481d22.rlib" "/opt/rustwide/target/debug/deps/libsdl2-c27ce2c0496678b0.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-737f13ff9aa1a391.rlib" "/opt/rustwide/target/debug/deps/libbitflags-f89ae4b715176e2d.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-5c53d641eb010a81.rlib" "/opt/rustwide/target/debug/deps/liblibc-dfac313b72d07e54.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.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/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/aicourse_webcam-367d85e3673c9979" "-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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3e0c8dc2dad731165c926d2331190a07c1310503deabfbfbe44b61270c3280df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0c8dc2dad731165c926d2331190a07c1310503deabfbfbe44b61270c3280df", kill_on_drop: false }`
[INFO] [stdout] 3e0c8dc2dad731165c926d2331190a07c1310503deabfbfbe44b61270c3280df
