[INFO] cloning repository https://github.com/madwareru/wgpu-tut-walkthrough
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/madwareru/wgpu-tut-walkthrough" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadwareru%2Fwgpu-tut-walkthrough", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadwareru%2Fwgpu-tut-walkthrough'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 090fd1b003f1b90e62a40b8f5486f4aa145b21e6
[INFO] building madwareru/wgpu-tut-walkthrough against try#434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275 for pr-101591
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmadwareru%2Fwgpu-tut-walkthrough" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/madwareru/wgpu-tut-walkthrough on toolchain 434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/madwareru/wgpu-tut-walkthrough
[INFO] finished tweaking git repo https://github.com/madwareru/wgpu-tut-walkthrough
[INFO] tweaked toml for git repo https://github.com/madwareru/wgpu-tut-walkthrough written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/madwareru/wgpu-tut-walkthrough already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "rm" "-f" "38711bdff91cc6b4359d1481093435a1192f4b11944a818642692fa1e966357a", kill_on_drop: false }`
[INFO] [stdout] 38711bdff91cc6b4359d1481093435a1192f4b11944a818642692fa1e966357a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eca691d854dc9322551d0e273371390e5e512a7eca383fdbbb46c0c5e2c9a87
[INFO] running `Command { std: "docker" "start" "-a" "8eca691d854dc9322551d0e273371390e5e512a7eca383fdbbb46c0c5e2c9a87", kill_on_drop: false }`
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[INFO] [stderr]    Compiling wgpu-tut-walkthrough v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufferAsyncMapping`, `BufferMapAsyncResult`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use wgpu::{BufferAsyncMapping, BufferMapAsyncResult};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cgmath::Rotation3`
[INFO] [stdout]    --> src/main.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |         use cgmath::Rotation3;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `texture` is never read
[INFO] [stdout]    --> src/main.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 122 | struct TextureHandle {
[INFO] [stdout]     |        ------------- field in this struct
[INFO] [stdout] 123 |     texture: wgpu::Texture,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `handle` is never read
[INFO] [stdout]    --> src/main.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | struct Texture {
[INFO] [stdout]     |        ------- field in this struct
[INFO] [stdout] 129 |     handle: TextureHandle,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `surface`, `adapter` and `swap_chain_desc` are never read
[INFO] [stdout]    --> src/main.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 148 | struct MainState {
[INFO] [stdout]     |        --------- fields in this struct
[INFO] [stdout] 149 |     surface: wgpu::Surface,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 150 |     adapter: wgpu::Adapter,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     swap_chain_desc: wgpu::SwapChainDescriptor,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "8eca691d854dc9322551d0e273371390e5e512a7eca383fdbbb46c0c5e2c9a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eca691d854dc9322551d0e273371390e5e512a7eca383fdbbb46c0c5e2c9a87", kill_on_drop: false }`
[INFO] [stdout] 8eca691d854dc9322551d0e273371390e5e512a7eca383fdbbb46c0c5e2c9a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+434cce50d8e9a9de0ddaaccaca51e3e3f4bbb275" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91c0a31c046cf263e18d9502502f63140d2a055261bf77cd31823ae3290dadec
[INFO] running `Command { std: "docker" "start" "-a" "91c0a31c046cf263e18d9502502f63140d2a055261bf77cd31823ae3290dadec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "91c0a31c046cf263e18d9502502f63140d2a055261bf77cd31823ae3290dadec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c0a31c046cf263e18d9502502f63140d2a055261bf77cd31823ae3290dadec", kill_on_drop: false }`
[INFO] [stdout] 91c0a31c046cf263e18d9502502f63140d2a055261bf77cd31823ae3290dadec