[INFO] cloning repository https://github.com/Cdayz/game_of_life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cdayz/game_of_life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCdayz%2Fgame_of_life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCdayz%2Fgame_of_life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70b2da72b67e45bdca0cde10f0d0ecd401d2491a
[INFO] checking Cdayz/game_of_life against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCdayz%2Fgame_of_life" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cdayz/game_of_life on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cdayz/game_of_life
[INFO] finished tweaking git repo https://github.com/Cdayz/game_of_life
[INFO] tweaked toml for git repo https://github.com/Cdayz/game_of_life written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Cdayz/game_of_life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca628d78f4ce2d6d252f5e2d6b3eac7c8562235da5e4edac76172ed816c16303
[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" "ca628d78f4ce2d6d252f5e2d6b3eac7c8562235da5e4edac76172ed816c16303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca628d78f4ce2d6d252f5e2d6b3eac7c8562235da5e4edac76172ed816c16303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca628d78f4ce2d6d252f5e2d6b3eac7c8562235da5e4edac76172ed816c16303", kill_on_drop: false }`
[INFO] [stdout] ca628d78f4ce2d6d252f5e2d6b3eac7c8562235da5e4edac76172ed816c16303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ceaabfc186c5691fe913c24f7c8efcb0b46e2b6a93dcd3b21373ab6a42290d
[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" "b2ceaabfc186c5691fe913c24f7c8efcb0b46e2b6a93dcd3b21373ab6a42290d", kill_on_drop: false }`
[INFO] [stderr]     Checking game_of_life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/life.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 if x < 0 || x > self.board.len() {
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/life.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 if y < 0 || y > self.board[0].len() {
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/life.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 if x < 0 || x > self.board.len() {
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]   --> src/life.rs:46:20
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 if y < 0 || y > self.board[0].len() {
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "b2ceaabfc186c5691fe913c24f7c8efcb0b46e2b6a93dcd3b21373ab6a42290d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ceaabfc186c5691fe913c24f7c8efcb0b46e2b6a93dcd3b21373ab6a42290d", kill_on_drop: false }`
[INFO] [stdout] b2ceaabfc186c5691fe913c24f7c8efcb0b46e2b6a93dcd3b21373ab6a42290d