[INFO] fetching crate v4l 0.7.0...
[INFO] checking v4l-0.7.0 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate v4l 0.7.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate v4l 0.7.0 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate v4l 0.7.0
[INFO] finished tweaking crates.io crate v4l 0.7.0
[INFO] tweaked toml for crates.io crate v4l 0.7.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate v4l 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0248015d52b0d5503e579ef5a90ef184281b3466ef16329585ca86e6ebba05b4
[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" "0248015d52b0d5503e579ef5a90ef184281b3466ef16329585ca86e6ebba05b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0248015d52b0d5503e579ef5a90ef184281b3466ef16329585ca86e6ebba05b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0248015d52b0d5503e579ef5a90ef184281b3466ef16329585ca86e6ebba05b4", kill_on_drop: false }`
[INFO] [stdout] 0248015d52b0d5503e579ef5a90ef184281b3466ef16329585ca86e6ebba05b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7035adc300617be8bd92a21369140dee0e907ecc8efe12bdc4d39f11efe23f61
[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" "7035adc300617be8bd92a21369140dee0e907ecc8efe12bdc4d39f11efe23f61", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking addr2line v0.12.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling bindgen v0.53.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling glium v0.27.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling v4l2-sys-mit v0.1.0
[INFO] [stderr]     Checking winit v0.22.1
[INFO] [stderr]     Checking glutin v0.24.0
[INFO] [stderr]     Checking v4l v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Device`
[INFO] [stdout]   --> examples/glium.rs:12:34
[INFO] [stdout]    |
[INFO] [stdout] 12 | use v4l::{Buffer, CaptureDevice, Device, FourCC, HostBuffer, MappedBufferStream};
[INFO] [stdout]    |                                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 10s
[INFO] running `Command { std: "docker" "inspect" "7035adc300617be8bd92a21369140dee0e907ecc8efe12bdc4d39f11efe23f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7035adc300617be8bd92a21369140dee0e907ecc8efe12bdc4d39f11efe23f61", kill_on_drop: false }`
[INFO] [stdout] 7035adc300617be8bd92a21369140dee0e907ecc8efe12bdc4d39f11efe23f61