[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 1.69.0 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-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cuiter/aicourse on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-0-tc1/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" "+1.69.0" "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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de014262457ef7fb81a7e89321b71a02957e5da6cb6989a63dea0f37f9c5c9f7
[INFO] running `Command { std: "docker" "start" "-a" "de014262457ef7fb81a7e89321b71a02957e5da6cb6989a63dea0f37f9c5c9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de014262457ef7fb81a7e89321b71a02957e5da6cb6989a63dea0f37f9c5c9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de014262457ef7fb81a7e89321b71a02957e5da6cb6989a63dea0f37f9c5c9f7", kill_on_drop: false }`
[INFO] [stdout] de014262457ef7fb81a7e89321b71a02957e5da6cb6989a63dea0f37f9c5c9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f11b65496b7fa5f7d5730c2b7f54f79dc9f0ccb80e6c1a1cab15939fde18d67
[INFO] running `Command { std: "docker" "start" "-a" "3f11b65496b7fa5f7d5730c2b7f54f79dc9f0ccb80e6c1a1cab15939fde18d67", 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 ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ndarray v0.13.1
[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 crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[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: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.69.0-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/rustc3Z35pd/symbols.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.aicourse_webcam.0663c3cf-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8.dlj1d8p1suyey4w.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librscam-6bfc98207069dca6.rlib" "/opt/rustwide/target/debug/deps/libaicourse-f88808ece569c231.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-0a314b8735e2b180.rlib" "/opt/rustwide/target/debug/deps/librand-737727969d215d50.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-1ec38d3b5608c224.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-fa5530c9e1bd5d9a.rlib" "/opt/rustwide/target/debug/deps/librand_core-2b88c6fd04139fe0.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-842d286124981f2f.rlib" "/opt/rustwide/target/debug/deps/librayon-c314f2ebdf9dbb1c.rlib" "/opt/rustwide/target/debug/deps/librayon_core-63cab486dfa8018d.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-bd814dcf9a42ea4c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-2f846907e2687c5c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-89b7fd8940818dcc.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-f471875f675163b5.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-7dc1881a6f2e3e01.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-368f9ced26943e37.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-0dd59a3f39d73b11.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-7358fb81ee8e07ae.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-a245e09a5738c6b4.rlib" "/opt/rustwide/target/debug/deps/libeither-b5955c37577d6919.rlib" "/opt/rustwide/target/debug/deps/libndarray-fbe0548ad86d4486.rlib" "/opt/rustwide/target/debug/deps/libmatrixmultiply-8d55fecd52ca89db.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-65bfcb894e511a4a.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-6d78143fc7cec1e2.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-6e5f8f514b0827f7.rlib" "/opt/rustwide/target/debug/deps/librawpointer-93a89706954c673d.rlib" "/opt/rustwide/target/debug/deps/libsdl2-bd8451f3eb2b751b.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-a67edd3fa4c54877.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ed17cd8d1f1832b6.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-a15e1ed0a3c31761.rlib" "/opt/rustwide/target/debug/deps/liblibc-38769d9fd299fc83.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-89bc084783fdc439.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-8bee4b287d4367c1.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-d61707aed80694c0.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d85366256f22345b.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-96069b86b8a8cae9.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-d19d53abf68dfa6c.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-787cbccd19d64ac6.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-b3837a36b830e0d0.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e3deb0e7e3f04966.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-dabbb79c9815def4.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-305b01f34c9409f2.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-f833521df6074e73.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-9ac333113350d171.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1c126114322d0eee.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bad9164fdeeecf92.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-f9374b1e480fa681.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-207f06e41d9603af.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-7e2768e66e984e85.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-957b4aff41f8cd46.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/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/aicourse_webcam-95a01d4d0bf097e8" "-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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "3f11b65496b7fa5f7d5730c2b7f54f79dc9f0ccb80e6c1a1cab15939fde18d67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f11b65496b7fa5f7d5730c2b7f54f79dc9f0ccb80e6c1a1cab15939fde18d67", kill_on_drop: false }`
[INFO] [stdout] 3f11b65496b7fa5f7d5730c2b7f54f79dc9f0ccb80e6c1a1cab15939fde18d67
