[INFO] cloning repository https://github.com/akarki15/conway-gol
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akarki15/conway-gol" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakarki15%2Fconway-gol", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakarki15%2Fconway-gol'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cf2301e9a1bc3609a9fa32817f450091ffd764c
[INFO] checking akarki15/conway-gol against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakarki15%2Fconway-gol" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akarki15/conway-gol on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/akarki15/conway-gol
[INFO] finished tweaking git repo https://github.com/akarki15/conway-gol
[INFO] tweaked toml for git repo https://github.com/akarki15/conway-gol written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/akarki15/conway-gol already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38f5805d474406c8d90a0a7b0063f1d9cd8a14565ad1e407ed31d9ac990ec793
[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" "38f5805d474406c8d90a0a7b0063f1d9cd8a14565ad1e407ed31d9ac990ec793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f5805d474406c8d90a0a7b0063f1d9cd8a14565ad1e407ed31d9ac990ec793", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f5805d474406c8d90a0a7b0063f1d9cd8a14565ad1e407ed31d9ac990ec793", kill_on_drop: false }`
[INFO] [stdout] 38f5805d474406c8d90a0a7b0063f1d9cd8a14565ad1e407ed31d9ac990ec793
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d42d0fbb146f8d70f492bce8e168211257170caebf7aa06edea773147da34c3
[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" "0d42d0fbb146f8d70f492bce8e168211257170caebf7aa06edea773147da34c3", kill_on_drop: false }`
[INFO] [stderr]     Checking conway-gol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for i in 1..10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 1..10 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     for i in 1..15 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nextGrid` should have a snake case name
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut nextGrid = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `next_grid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newState` should have a snake case name
[INFO] [stdout]   --> src/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let newState = cell_state(grid[i][j].alive, &grid, neighbors);
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `new_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `numAliveCells` should have a snake case name
[INFO] [stdout]   --> src/main.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut numAliveCells = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `num_alive_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `legitNeighbor` should have a snake case name
[INFO] [stdout]    --> src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut legitNeighbor = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `legit_neighbor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     for i in 1..10 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         for i in 1..10 {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     for i in 1..15 {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nextGrid` should have a snake case name
[INFO] [stdout]   --> src/main.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let mut nextGrid = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `next_grid`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newState` should have a snake case name
[INFO] [stdout]   --> src/main.rs:60:17
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let newState = cell_state(grid[i][j].alive, &grid, neighbors);
[INFO] [stdout]    |                 ^^^^^^^^ help: convert the identifier to snake case: `new_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `numAliveCells` should have a snake case name
[INFO] [stdout]   --> src/main.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut numAliveCells = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `num_alive_cells`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `legitNeighbor` should have a snake case name
[INFO] [stdout]    --> src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |     let mut legitNeighbor = Vec::new();
[INFO] [stdout]     |             ^^^^^^^^^^^^^ help: convert the identifier to snake case: `legit_neighbor`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "0d42d0fbb146f8d70f492bce8e168211257170caebf7aa06edea773147da34c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d42d0fbb146f8d70f492bce8e168211257170caebf7aa06edea773147da34c3", kill_on_drop: false }`
[INFO] [stdout] 0d42d0fbb146f8d70f492bce8e168211257170caebf7aa06edea773147da34c3