[INFO] fetching crate v4l 0.10.2...
[INFO] checking v4l-0.10.2 against beta for pr-78714
[INFO] extracting crate v4l 0.10.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate v4l 0.10.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate v4l 0.10.2
[INFO] finished tweaking crates.io crate v4l 0.10.2
[INFO] tweaked toml for crates.io crate v4l 0.10.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate v4l 0.10.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] baa83d8f19cf4151b0fbd52f4e7ca8093a5e4c7ebb03a1cb34b79ea647b35e35
[INFO] running `Command { std: "docker" "start" "-a" "baa83d8f19cf4151b0fbd52f4e7ca8093a5e4c7ebb03a1cb34b79ea647b35e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baa83d8f19cf4151b0fbd52f4e7ca8093a5e4c7ebb03a1cb34b79ea647b35e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa83d8f19cf4151b0fbd52f4e7ca8093a5e4c7ebb03a1cb34b79ea647b35e35", kill_on_drop: false }`
[INFO] [stdout] baa83d8f19cf4151b0fbd52f4e7ca8093a5e4c7ebb03a1cb34b79ea647b35e35
[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" "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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dcaeb35f373e09c7a950bf94a21cb90425db703de16e496f7214ff2e360fda5
[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" "5dcaeb35f373e09c7a950bf94a21cb90425db703de16e496f7214ff2e360fda5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]     Checking takeable-option v0.5.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking addr2line v0.12.0
[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 nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.6
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.4
[INFO] [stderr]    Compiling glium v0.27.0
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]    Compiling bindgen v0.53.3
[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 v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "5dcaeb35f373e09c7a950bf94a21cb90425db703de16e496f7214ff2e360fda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dcaeb35f373e09c7a950bf94a21cb90425db703de16e496f7214ff2e360fda5", kill_on_drop: false }`
[INFO] [stdout] 5dcaeb35f373e09c7a950bf94a21cb90425db703de16e496f7214ff2e360fda5