[INFO] cloning repository https://github.com/etnad101/hello-wgpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/etnad101/hello-wgpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetnad101%2Fhello-wgpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetnad101%2Fhello-wgpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95f392afb0dee9fa128880ec1204842539178558
[INFO] checking etnad101/hello-wgpu against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fetnad101%2Fhello-wgpu" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/etnad101/hello-wgpu
[INFO] finished tweaking git repo https://github.com/etnad101/hello-wgpu
[INFO] tweaked toml for git repo https://github.com/etnad101/hello-wgpu written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/etnad101/hello-wgpu on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/etnad101/hello-wgpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e39af16383814645130712d605597f419f2e36ed3811d08e3ca233962823ffb
[INFO] running `Command { std: "docker" "start" "-a" "9e39af16383814645130712d605597f419f2e36ed3811d08e3ca233962823ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e39af16383814645130712d605597f419f2e36ed3811d08e3ca233962823ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e39af16383814645130712d605597f419f2e36ed3811d08e3ca233962823ffb", kill_on_drop: false }`
[INFO] [stdout] 9e39af16383814645130712d605597f419f2e36ed3811d08e3ca233962823ffb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c80d37c104ab2e134a71c772bcab7765f5d5f04e71c714fa4c3c0f69e28178fc
[INFO] running `Command { std: "docker" "start" "-a" "c80d37c104ab2e134a71c772bcab7765f5d5f04e71c714fa4c3c0f69e28178fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
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[INFO] [stderr]     Checking smallvec v1.15.1
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[INFO] [stderr]     Checking hello-wgpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:311:13
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let mut window_attributes = Window::default_attributes();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:311:13
[INFO] [stdout]     |
[INFO] [stdout] 311 |         let mut window_attributes = Window::default_attributes();
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "c80d37c104ab2e134a71c772bcab7765f5d5f04e71c714fa4c3c0f69e28178fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c80d37c104ab2e134a71c772bcab7765f5d5f04e71c714fa4c3c0f69e28178fc", kill_on_drop: false }`
[INFO] [stdout] c80d37c104ab2e134a71c772bcab7765f5d5f04e71c714fa4c3c0f69e28178fc
