[INFO] fetching crate pixels 0.2.0...
[INFO] checking pixels-0.2.0 against beta for pr-78714
[INFO] extracting crate pixels 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pixels 0.2.0 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 pixels 0.2.0
[INFO] finished tweaking crates.io crate pixels 0.2.0
[INFO] tweaked toml for crates.io crate pixels 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 037fe567268f46a9122d20faba0ce26bcb0254bb577325ce6be0b372e94ce2eb
[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" "037fe567268f46a9122d20faba0ce26bcb0254bb577325ce6be0b372e94ce2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "037fe567268f46a9122d20faba0ce26bcb0254bb577325ce6be0b372e94ce2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037fe567268f46a9122d20faba0ce26bcb0254bb577325ce6be0b372e94ce2eb", kill_on_drop: false }`
[INFO] [stdout] 037fe567268f46a9122d20faba0ce26bcb0254bb577325ce6be0b372e94ce2eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 018505d5db609dfc82a13795bd26bd11318157e22f085a71de6a854fcc572306
[INFO] running `Command { std: "docker" "start" "-a" "018505d5db609dfc82a13795bd26bd11318157e22f085a71de6a854fcc572306", kill_on_drop: false }`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling wide v0.4.6
[INFO] [stderr]     Checking pollster v0.2.0
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking gfx-hal v0.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking ultraviolet v0.4.6
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking naga v0.2.0
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking gfx-memory v0.2.2
[INFO] [stderr]     Checking gfx-backend-empty v0.6.0
[INFO] [stderr]     Checking gfx-descriptor v0.2.0
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking gfx-backend-vulkan v0.6.5
[INFO] [stderr]     Checking wgpu-core v0.6.5
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.22.2
[INFO] [stderr]     Checking wgpu v0.6.0
[INFO] [stderr]     Checking pixels v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "018505d5db609dfc82a13795bd26bd11318157e22f085a71de6a854fcc572306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "018505d5db609dfc82a13795bd26bd11318157e22f085a71de6a854fcc572306", kill_on_drop: false }`
[INFO] [stdout] 018505d5db609dfc82a13795bd26bd11318157e22f085a71de6a854fcc572306