[INFO] updating cached repository https://github.com/Dispersia/webgpu_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e99662b3e2fc44c9cd214528bcb50dcbf2e3380
[INFO] testing Dispersia/webgpu_demo against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDispersia%2Fwebgpu_demo" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dispersia/webgpu_demo on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dispersia/webgpu_demo
[INFO] finished tweaking git repo https://github.com/Dispersia/webgpu_demo
[INFO] tweaked toml for git repo https://github.com/Dispersia/webgpu_demo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Dispersia/webgpu_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "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] aef111cd1e81094fac53c291087107595bc026d58cb4d9398cbc16777a660240
[INFO] running `Command { std: "docker" "start" "-a" "aef111cd1e81094fac53c291087107595bc026d58cb4d9398cbc16777a660240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aef111cd1e81094fac53c291087107595bc026d58cb4d9398cbc16777a660240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef111cd1e81094fac53c291087107595bc026d58cb4d9398cbc16777a660240", kill_on_drop: false }`
[INFO] [stdout] aef111cd1e81094fac53c291087107595bc026d58cb4d9398cbc16777a660240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce62295181517f19d084bd5b21ecc91ff3b01a807d66288b2552c68756655263
[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" "ce62295181517f19d084bd5b21ecc91ff3b01a807d66288b2552c68756655263", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libloading v0.6.2
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling winit v0.22.2 (https://github.com/rust-windowing/winit#3d5d05ea)
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling instant v0.1.6
[INFO] [stderr]    Compiling typed-arena v2.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling hibitset v0.6.3
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling wgpu-types v0.5.0 (https://github.com/gfx-rs/wgpu?rev=43c67ac59c2dedaa4d78601bc460aab7c3257973#43c67ac5)
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling gfx-hal v0.5.3
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling spirv_headers v1.4.2
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling ash v0.31.0
[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling wayland-sys v0.23.6
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling naga v0.1.0 (https://github.com/gfx-rs/naga?rev=a9228d2aed38c71388489a95817238ff98198fa3#a9228d2a)
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling wayland-commons v0.23.6
[INFO] [stderr]    Compiling calloop v0.4.4
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling gfx-backend-empty v0.5.1
[INFO] [stderr]    Compiling gfx-memory v0.1.3 (https://github.com/gfx-rs/gfx-extras?rev=6387d81773e29be2220cb15186ceb875ed88303b#6387d817)
[INFO] [stderr]    Compiling gfx-descriptor v0.1.0 (https://github.com/gfx-rs/gfx-extras?rev=6387d81773e29be2220cb15186ceb875ed88303b#6387d817)
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.6.6
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling tracing v0.1.15
[INFO] [stderr]    Compiling gfx-backend-vulkan v0.5.9
[INFO] [stderr]    Compiling legion-core v0.2.4 (https://github.com/TomGillen/legion#80a3d15c)
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling wgpu-core v0.5.0 (https://github.com/gfx-rs/wgpu?rev=43c67ac59c2dedaa4d78601bc460aab7c3257973#43c67ac5)
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling legion-systems v0.2.4 (https://github.com/TomGillen/legion#80a3d15c)
[INFO] [stderr]    Compiling wgpu v0.5.0 (https://github.com/gfx-rs/wgpu-rs#0c7c3afe)
[INFO] [stderr]    Compiling legion v0.2.4 (https://github.com/TomGillen/legion#80a3d15c)
[INFO] [stderr]    Compiling webgpu_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `temp_buf`
[INFO] [stdout]    --> src/app.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let temp_buf =
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_buf`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let mut init_encoder =
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 56s
[INFO] running `Command { std: "docker" "inspect" "ce62295181517f19d084bd5b21ecc91ff3b01a807d66288b2552c68756655263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce62295181517f19d084bd5b21ecc91ff3b01a807d66288b2552c68756655263", kill_on_drop: false }`
[INFO] [stdout] ce62295181517f19d084bd5b21ecc91ff3b01a807d66288b2552c68756655263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56a7b4dded622b84344c49162bdbdde54575f63bb36bf6204030d762967bfd4c
[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" "56a7b4dded622b84344c49162bdbdde54575f63bb36bf6204030d762967bfd4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling webgpu_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `temp_buf`
[INFO] [stdout]    --> src/app.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let temp_buf =
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_buf`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:148:13
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let mut init_encoder =
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "56a7b4dded622b84344c49162bdbdde54575f63bb36bf6204030d762967bfd4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a7b4dded622b84344c49162bdbdde54575f63bb36bf6204030d762967bfd4c", kill_on_drop: false }`
[INFO] [stdout] 56a7b4dded622b84344c49162bdbdde54575f63bb36bf6204030d762967bfd4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0a457cb739b946b6b4313462d8b3d1d14b0a55011199b48d79b106b35e716fb7
[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" "0a457cb739b946b6b4313462d8b3d1d14b0a55011199b48d79b106b35e716fb7", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `temp_buf`
[INFO] [stderr]    --> src/app.rs:150:13
[INFO] [stderr]     |
[INFO] [stderr] 150 |         let temp_buf =
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_temp_buf`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/app.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |         let mut init_encoder =
[INFO] [stderr]     |             ----^^^^^^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.41s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/webgpu_demo-f40574b0f32d50a1
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0a457cb739b946b6b4313462d8b3d1d14b0a55011199b48d79b106b35e716fb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a457cb739b946b6b4313462d8b3d1d14b0a55011199b48d79b106b35e716fb7", kill_on_drop: false }`
[INFO] [stdout] 0a457cb739b946b6b4313462d8b3d1d14b0a55011199b48d79b106b35e716fb7