[INFO] cloning repository https://github.com/udbhav-s/flappycube
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/udbhav-s/flappycube" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudbhav-s%2Fflappycube", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudbhav-s%2Fflappycube'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70302d1eac8c0befb6e25497c2d72a562171292e
[INFO] checking udbhav-s/flappycube against master#dc375db7d8df0aa450e622c529147c95eee756f5 for pr-156749
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fudbhav-s%2Fflappycube" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/udbhav-s/flappycube
[INFO] finished tweaking git repo https://github.com/udbhav-s/flappycube
[INFO] tweaked toml for git repo https://github.com/udbhav-s/flappycube written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/udbhav-s/flappycube on toolchain dc375db7d8df0aa450e622c529147c95eee756f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/udbhav-s/flappycube 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" "+dc375db7d8df0aa450e622c529147c95eee756f5" "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-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "4255a03837ab0e763741967080a22d78a0ff0a31e828a118a96d4fea632d8256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4255a03837ab0e763741967080a22d78a0ff0a31e828a118a96d4fea632d8256" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4255a03837ab0e763741967080a22d78a0ff0a31e828a118a96d4fea632d8256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4255a03837ab0e763741967080a22d78a0ff0a31e828a118a96d4fea632d8256" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let mut clink_sound = audio::Source::new(ctx, "/clink.wav").unwrap();
[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:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut crash_sound = audio::Source::new(ctx, "/crash.wav").unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let mut switch_sound = audio::Source::new(ctx, "/switch.wav").unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:394:32
[INFO] [stdout]     |
[INFO] [stdout] 394 |     fn key_up_event(&mut self, ctx: &mut Context, keycode: KeyCode, _keymods: KeyMods) {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keycode`
[INFO] [stdout]    --> src/main.rs:394:51
[INFO] [stdout]     |
[INFO] [stdout] 394 |     fn key_up_event(&mut self, ctx: &mut Context, keycode: KeyCode, _keymods: KeyMods) {
[INFO] [stdout]     |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keycode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:203:13
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let mut clink_sound = audio::Source::new(ctx, "/clink.wav").unwrap();
[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:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut crash_sound = audio::Source::new(ctx, "/crash.wav").unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |         let mut switch_sound = audio::Source::new(ctx, "/switch.wav").unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]    --> src/main.rs:394:32
[INFO] [stdout]     |
[INFO] [stdout] 394 |     fn key_up_event(&mut self, ctx: &mut Context, keycode: KeyCode, _keymods: KeyMods) {
[INFO] [stdout]     |                                ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `keycode`
[INFO] [stdout]    --> src/main.rs:394:51
[INFO] [stdout]     |
[INFO] [stdout] 394 |     fn key_up_event(&mut self, ctx: &mut Context, keycode: KeyCode, _keymods: KeyMods) {
[INFO] [stdout]     |                                                   ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_keycode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: winit v0.19.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4255a03837ab0e763741967080a22d78a0ff0a31e828a118a96d4fea632d8256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4255a03837ab0e763741967080a22d78a0ff0a31e828a118a96d4fea632d8256", kill_on_drop: false }`
[INFO] [stdout] 4255a03837ab0e763741967080a22d78a0ff0a31e828a118a96d4fea632d8256
