[INFO] cloning repository https://github.com/neonovic/rust-tetris-sdl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neonovic/rust-tetris-sdl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneonovic%2Frust-tetris-sdl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneonovic%2Frust-tetris-sdl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4947cb1d19ed0e1fcf94c9bbfae1e5d72da415d
[INFO] checking neonovic/rust-tetris-sdl against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneonovic%2Frust-tetris-sdl" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/neonovic/rust-tetris-sdl on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/neonovic/rust-tetris-sdl
[INFO] finished tweaking git repo https://github.com/neonovic/rust-tetris-sdl
[INFO] tweaked toml for git repo https://github.com/neonovic/rust-tetris-sdl written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/neonovic/rust-tetris-sdl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f656afb452485985205d1e21bddba17b6abf161730b53c5780ae67e901d610c8
[INFO] running `Command { std: "docker" "start" "-a" "f656afb452485985205d1e21bddba17b6abf161730b53c5780ae67e901d610c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f656afb452485985205d1e21bddba17b6abf161730b53c5780ae67e901d610c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f656afb452485985205d1e21bddba17b6abf161730b53c5780ae67e901d610c8", kill_on_drop: false }`
[INFO] [stdout] f656afb452485985205d1e21bddba17b6abf161730b53c5780ae67e901d610c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc880fada8c2420f0093ac3d586dfeab883ee349f050935e8c539c99c31af51d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc880fada8c2420f0093ac3d586dfeab883ee349f050935e8c539c99c31af51d", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking tetris v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |         for (x, a) in row.iter().enumerate() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:161:10
[INFO] [stdout]     |
[INFO] [stdout] 161 |     for (y, row) in piece_rotated.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]  --> examples/life.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 |     let u = Universe {
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> examples/life.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     width: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> examples/life.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     height: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `area`
[INFO] [stdout]   --> examples/life.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     area: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> examples/life.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn new(width: u32, height: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_index`
[INFO] [stdout]   --> examples/life.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn get_index(&self, x: u32, y: u32) -> usize {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `live_neighbor_count`
[INFO] [stdout]   --> examples/life.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn live_neighbor_count(&self, row: u32, column: u32) -> u8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/main.rs:72:17
[INFO] [stdout]    |
[INFO] [stdout] 72 |         for (x, a) in row.iter().enumerate() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/main.rs:161:10
[INFO] [stdout]     |
[INFO] [stdout] 161 |     for (y, row) in piece_rotated.iter().enumerate() {
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "bc880fada8c2420f0093ac3d586dfeab883ee349f050935e8c539c99c31af51d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc880fada8c2420f0093ac3d586dfeab883ee349f050935e8c539c99c31af51d", kill_on_drop: false }`
[INFO] [stdout] bc880fada8c2420f0093ac3d586dfeab883ee349f050935e8c539c99c31af51d