[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] building cuiter/aicourse against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiter%2Faicourse" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cuiter/aicourse on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-1/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded either v1.6.0
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] [stderr]   Downloaded ndarray v0.13.1
[INFO] [stderr]   Downloaded sdl2 v0.34.2
[INFO] [stderr]   Downloaded bencher v0.1.5
[INFO] [stderr]   Downloaded rscam v0.5.5
[INFO] [stderr]   Downloaded sdl2-sys v0.34.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd536cc26ff8781688dc720f6b70f89f1ab61a07dee12183f3259a5d4fe515e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cd536cc26ff8781688dc720f6b70f89f1ab61a07dee12183f3259a5d4fe515e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd536cc26ff8781688dc720f6b70f89f1ab61a07dee12183f3259a5d4fe515e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd536cc26ff8781688dc720f6b70f89f1ab61a07dee12183f3259a5d4fe515e3", kill_on_drop: false }`
[INFO] [stdout] cd536cc26ff8781688dc720f6b70f89f1ab61a07dee12183f3259a5d4fe515e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b72246a1d38bf5ce9aaa0cf7c40de961b65c0df6c93faeeb2ae4df365ebf044e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b72246a1d38bf5ce9aaa0cf7c40de961b65c0df6c93faeeb2ae4df365ebf044e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[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 rawpointer v0.2.1
[INFO] [stderr]    Compiling sdl2 v0.34.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[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-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rayon v1.3.1
[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 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 ndarray v0.13.1
[INFO] [stderr]    Compiling aicourse v0.1.0 (/opt/rustwide/workdir/aicourse)
[INFO] [stderr]    Compiling aicourse-train v0.1.0 (/opt/rustwide/workdir/aicourse-train)
[INFO] [stderr]    Compiling aicourse-webcam v0.1.0 (/opt/rustwide/workdir/aicourse-webcam)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.aicourse_webcam.71wgovio-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b" "/opt/rustwide/target/debug/deps/aicourse_webcam-9b5fdcc6fd5bbd2b.fr2702kzzr6ipez.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librscam-8441513fb1b5906d.rlib" "/opt/rustwide/target/debug/deps/libaicourse-2ce93f65756bd7f0.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-d32c2f762520ed26.rlib" "/opt/rustwide/target/debug/deps/librand-2a9261f1b8fb708b.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-aca75421def87bd0.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-ddbeafc36967d0d6.rlib" "/opt/rustwide/target/debug/deps/librand_core-1c8499171b0786a9.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-528e7000e04c5b97.rlib" "/opt/rustwide/target/debug/deps/librayon-b5c7b6e6585f151f.rlib" "/opt/rustwide/target/debug/deps/librayon_core-6ceeac6d5d1bf4be.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-9042a0b370c2ed40.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_deque-3387c8ec1ef2dd0c.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_epoch-94b51b484aaa71d3.rlib" "/opt/rustwide/target/debug/deps/libscopeguard-e88ee3fdd4df8593.rlib" "/opt/rustwide/target/debug/deps/libmemoffset-09704125b1c060dc.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_queue-6a82f36aefda76db.rlib" "/opt/rustwide/target/debug/deps/libcrossbeam_utils-d9227aa3de882b81.rlib" "/opt/rustwide/target/debug/deps/libmaybe_uninit-20b8b34ae36df9ad.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-c4f6196cf7d68209.rlib" "/opt/rustwide/target/debug/deps/libeither-c07a48b0b1c94939.rlib" "/opt/rustwide/target/debug/deps/libndarray-58c092fad922795d.rlib" "/opt/rustwide/target/debug/deps/libmatrixmultiply-44d5baf87f953448.rlib" "/opt/rustwide/target/debug/deps/libnum_complex-5a1fe17e839c26fa.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-87cb2f66cb835851.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-1c5731d550d5f63e.rlib" "/opt/rustwide/target/debug/deps/librawpointer-f4398a5de7c6347b.rlib" "/opt/rustwide/target/debug/deps/libsdl2-0147e701ae826f4f.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-f732a608ea41263f.rlib" "/opt/rustwide/target/debug/deps/libbitflags-7f78c1de5599d643.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-ff2d4c059a61c830.rlib" "/opt/rustwide/target/debug/deps/liblibc-1de83e5becf9c746.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c6dddd3d354e6bea.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-c2ca47afdcc5e309.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-b47be2942017e108.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-20a1e49116ab0df9.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-25e09d9868291683.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9c99fb6e5ca5159e.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-85040d7563599960.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0e4f7587da8acf20.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7be0a6711ed15b5c.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-00672fabc4ff9c9d.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-72fe231ef0473d15.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-019d54ecc304b655.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-cc7d9343e4f608be.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e41c6d24baeb2249.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9849bb0fbad7f0f5.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a1fd7734706d5518.rlib" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/881c1ac408d93bb7adaa3a51dabab9266e82eee8/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-8b33f9cbbc9652fe.rlib" "-Wl,-Bdynamic" "-lv4l2" "-lSDL2" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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" "b72246a1d38bf5ce9aaa0cf7c40de961b65c0df6c93faeeb2ae4df365ebf044e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72246a1d38bf5ce9aaa0cf7c40de961b65c0df6c93faeeb2ae4df365ebf044e", kill_on_drop: false }`
[INFO] [stdout] b72246a1d38bf5ce9aaa0cf7c40de961b65c0df6c93faeeb2ae4df365ebf044e
