[INFO] cloning repository https://github.com/Masterchef365/wgpu_bug_minimal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Masterchef365/wgpu_bug_minimal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fwgpu_bug_minimal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fwgpu_bug_minimal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbff77f20d701db34031fb13974e66f86cfaf2aa
[INFO] checking Masterchef365/wgpu_bug_minimal against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fwgpu_bug_minimal" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Masterchef365/wgpu_bug_minimal on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Masterchef365/wgpu_bug_minimal
[INFO] finished tweaking git repo https://github.com/Masterchef365/wgpu_bug_minimal
[INFO] tweaked toml for git repo https://github.com/Masterchef365/wgpu_bug_minimal written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Masterchef365/wgpu_bug_minimal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/hecrj/iced.git`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e62be85344a5da6fd394f8dbad0fecb6632ce9e99ea39ef4c5bb6596cda4e5e7
[INFO] running `Command { std: "docker" "start" "-a" "e62be85344a5da6fd394f8dbad0fecb6632ce9e99ea39ef4c5bb6596cda4e5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e62be85344a5da6fd394f8dbad0fecb6632ce9e99ea39ef4c5bb6596cda4e5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62be85344a5da6fd394f8dbad0fecb6632ce9e99ea39ef4c5bb6596cda4e5e7", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "db60bf1576b027cf2d3a35b655f6339d5ff5e1ff6a300f64bbc92b8ff0d498da", kill_on_drop: false }`
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[INFO] [stderr]     Checking iced v0.1.1 (https://github.com/hecrj/iced.git?rev=23647d2f50f0e177b93cf09c72886a90702df982#23647d2f)
[INFO] [stderr]     Checking wgpu_bug_minimal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/primitive_renderer.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut pipeline_desc = wgpu::RenderPipelineDescriptor {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/primitive_renderer.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let mut pipeline_desc = wgpu::RenderPipelineDescriptor {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "db60bf1576b027cf2d3a35b655f6339d5ff5e1ff6a300f64bbc92b8ff0d498da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db60bf1576b027cf2d3a35b655f6339d5ff5e1ff6a300f64bbc92b8ff0d498da", kill_on_drop: false }`
[INFO] [stdout] db60bf1576b027cf2d3a35b655f6339d5ff5e1ff6a300f64bbc92b8ff0d498da