[INFO] cloning repository https://github.com/carmisergio/torri-di-hanoi-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carmisergio/torri-di-hanoi-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarmisergio%2Ftorri-di-hanoi-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarmisergio%2Ftorri-di-hanoi-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b8bdb55b06e709ef743dbf13df0b10e3b0e1d9d7
[INFO] checking carmisergio/torri-di-hanoi-rust/b8bdb55b06e709ef743dbf13df0b10e3b0e1d9d7 against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarmisergio%2Ftorri-di-hanoi-rust" "/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/carmisergio/torri-di-hanoi-rust
[INFO] finished tweaking git repo https://github.com/carmisergio/torri-di-hanoi-rust
[INFO] tweaked toml for git repo https://github.com/carmisergio/torri-di-hanoi-rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/carmisergio/torri-di-hanoi-rust 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/carmisergio/torri-di-hanoi-rust 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 113c840f5b2507e57e9e6ffe0c3307df99f2b75ceff47e23d445e1a5270ba250
[INFO] running `Command { std: "docker" "start" "-a" "113c840f5b2507e57e9e6ffe0c3307df99f2b75ceff47e23d445e1a5270ba250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "113c840f5b2507e57e9e6ffe0c3307df99f2b75ceff47e23d445e1a5270ba250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113c840f5b2507e57e9e6ffe0c3307df99f2b75ceff47e23d445e1a5270ba250", kill_on_drop: false }`
[INFO] [stdout] 113c840f5b2507e57e9e6ffe0c3307df99f2b75ceff47e23d445e1a5270ba250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d3d2df490d6885fd0ae206d5a9b45f048c5565835b52cc7a40f6d3bbc70748b2
[INFO] running `Command { std: "docker" "start" "-a" "d3d2df490d6885fd0ae206d5a9b45f048c5565835b52cc7a40f6d3bbc70748b2", kill_on_drop: false }`
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[INFO] [stderr]     Checking hanoi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `window_size`
[INFO] [stdout]    --> src/main.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let window_size = args.window_size;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window_size`
[INFO] [stdout]    --> src/main.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 |             let window_size = args.window_size;
[INFO] [stdout]     |                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_window_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:415:40
[INFO] [stdout]     |
[INFO] [stdout] 415 |         self.gl.draw(args.viewport(), |c, gl| {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:415:40
[INFO] [stdout]     |
[INFO] [stdout] 415 |         self.gl.draw(args.viewport(), |c, gl| {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:426:26
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn update(&mut self, args: &UpdateArgs) {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:426:26
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn update(&mut self, args: &UpdateArgs) {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:504:9
[INFO] [stdout]     |
[INFO] [stdout] 504 |     let mut play_area = PlayArea {
[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:504:9
[INFO] [stdout]     |
[INFO] [stdout] 504 |     let mut play_area = PlayArea {
[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: method `update` is never used
[INFO] [stdout]    --> src/main.rs:296:8
[INFO] [stdout]     |
[INFO] [stdout] 241 | impl PlayArea {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 296 |     fn update(&mut self, _args: &UpdateArgs) {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `update` is never used
[INFO] [stdout]    --> src/main.rs:296:8
[INFO] [stdout]     |
[INFO] [stdout] 241 | impl PlayArea {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 296 |     fn update(&mut self, _args: &UpdateArgs) {}
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "d3d2df490d6885fd0ae206d5a9b45f048c5565835b52cc7a40f6d3bbc70748b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d2df490d6885fd0ae206d5a9b45f048c5565835b52cc7a40f6d3bbc70748b2", kill_on_drop: false }`
[INFO] [stdout] d3d2df490d6885fd0ae206d5a9b45f048c5565835b52cc7a40f6d3bbc70748b2
