[INFO] fetching crate pixel_engine_backend 0.2.1...
[INFO] testing pixel_engine_backend-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate pixel_engine_backend 0.2.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate pixel_engine_backend 0.2.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pixel_engine_backend 0.2.1
[INFO] finished tweaking crates.io crate pixel_engine_backend 0.2.1
[INFO] tweaked toml for crates.io crate pixel_engine_backend 0.2.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 11493bc54231e37843dcc1ce759f93500b873e2db1a00d2e3ded505b9bdaea65
[INFO] running `Command { std: "docker" "start" "-a" "11493bc54231e37843dcc1ce759f93500b873e2db1a00d2e3ded505b9bdaea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11493bc54231e37843dcc1ce759f93500b873e2db1a00d2e3ded505b9bdaea65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11493bc54231e37843dcc1ce759f93500b873e2db1a00d2e3ded505b9bdaea65", kill_on_drop: false }`
[INFO] [stdout] 11493bc54231e37843dcc1ce759f93500b873e2db1a00d2e3ded505b9bdaea65
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfaad166f24252bfa90e4cec46dcd09bec48afc8b53debb3f07b544fc34d0c3f
[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" "dfaad166f24252bfa90e4cec46dcd09bec48afc8b53debb3f07b544fc34d0c3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling smallvec v1.6.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling copyless v0.1.5
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling bytemuck v1.4.1
[INFO] [stderr]    Compiling libloading v0.6.6
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling gfx-hal v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling gfx-backend-empty v0.5.2
[INFO] [stderr]    Compiling gfx-descriptor v0.1.0
[INFO] [stderr]    Compiling gfx-memory v0.1.3
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]    Compiling peek-poke v0.2.0
[INFO] [stderr]    Compiling wgpu-types v0.5.1
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.5.11
[INFO] [stderr]    Compiling wgpu-core v0.5.6
[INFO] [stderr]    Compiling wgpu-native v0.5.1
[INFO] [stderr]    Compiling wgpu v0.5.2
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling winit v0.22.2
[INFO] [stderr]    Compiling pixel_engine_backend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 18s
[INFO] running `Command { std: "docker" "inspect" "dfaad166f24252bfa90e4cec46dcd09bec48afc8b53debb3f07b544fc34d0c3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfaad166f24252bfa90e4cec46dcd09bec48afc8b53debb3f07b544fc34d0c3f", kill_on_drop: false }`
[INFO] [stdout] dfaad166f24252bfa90e4cec46dcd09bec48afc8b53debb3f07b544fc34d0c3f
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e02ad8c032654a416fe5d2de9029931fec583043cc1dc2c5963822acd3bc92e
[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" "7e02ad8c032654a416fe5d2de9029931fec583043cc1dc2c5963822acd3bc92e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pixel_engine_backend v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "7e02ad8c032654a416fe5d2de9029931fec583043cc1dc2c5963822acd3bc92e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e02ad8c032654a416fe5d2de9029931fec583043cc1dc2c5963822acd3bc92e", kill_on_drop: false }`
[INFO] [stdout] 7e02ad8c032654a416fe5d2de9029931fec583043cc1dc2c5963822acd3bc92e
[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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a2a65a14c23b69135d43f0799233e013ac219954f4b2fd9796c0609ed6161bc
[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" "9a2a65a14c23b69135d43f0799233e013ac219954f4b2fd9796c0609ed6161bc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pixel_engine_backend-e7a8dbbd09682a01
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pixel_engine_backend
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a2a65a14c23b69135d43f0799233e013ac219954f4b2fd9796c0609ed6161bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a2a65a14c23b69135d43f0799233e013ac219954f4b2fd9796c0609ed6161bc", kill_on_drop: false }`
[INFO] [stdout] 9a2a65a14c23b69135d43f0799233e013ac219954f4b2fd9796c0609ed6161bc