[INFO] updating cached repository https://github.com/lduchosal/battlesnake [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0906c57460605be8f3aa55eedaa044abed3307eb [INFO] checking lduchosal/battlesnake against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flduchosal%2Fbattlesnake" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lduchosal/battlesnake on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/lduchosal/battlesnake [INFO] finished tweaking git repo https://github.com/lduchosal/battlesnake [INFO] tweaked toml for git repo https://github.com/lduchosal/battlesnake written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/lduchosal/battlesnake already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b7f5d9c9c1a8e7a06fec5ea8d1334150de9ad92aa3acf69609ce59ecb5338cef [INFO] running `"docker" "start" "-a" "b7f5d9c9c1a8e7a06fec5ea8d1334150de9ad92aa3acf69609ce59ecb5338cef"` [INFO] [stderr] Compiling cc v1.0.32 [INFO] [stderr] Checking ascii v0.8.7 [INFO] [stderr] Checking chunked_transfer v0.3.1 [INFO] [stderr] Compiling syn v0.15.28 [INFO] [stderr] Checking tiny_http v0.6.2 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking backtrace v0.3.14 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking indextree v3.1.1 [INFO] [stderr] Checking serde v1.0.89 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking battlesnake v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let home = "6601"; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_home` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `train` [INFO] [stderr] --> src/main.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let train = "6600"; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_train` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ps` [INFO] [stderr] --> src/main.rs:859:29 [INFO] [stderr] | [INFO] [stderr] 859 | fn hunt_snakes(game: &Game, ps: &mut Vec) { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_ps` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:370:13 [INFO] [stderr] | [INFO] [stderr] 370 | fn from(n: std::option::NoneError) -> Self { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | let mut result: String; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | let mut futur_list = convert_futur_pathes(&mut futur); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `home` [INFO] [stderr] --> src/main.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let home = "6601"; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_home` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `train` [INFO] [stderr] --> src/main.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let train = "6600"; [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_train` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `ps` [INFO] [stderr] --> src/main.rs:859:29 [INFO] [stderr] | [INFO] [stderr] 859 | fn hunt_snakes(game: &Game, ps: &mut Vec) { [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_ps` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `n` [INFO] [stderr] --> src/main.rs:370:13 [INFO] [stderr] | [INFO] [stderr] 370 | fn from(n: std::option::NoneError) -> Self { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_n` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:69:13 [INFO] [stderr] | [INFO] [stderr] 69 | let mut result: String; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:162:9 [INFO] [stderr] | [INFO] [stderr] 162 | let mut futur_list = convert_futur_pathes(&mut futur); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_futur_pathes` [INFO] [stderr] --> src/main.rs:218:1 [INFO] [stderr] | [INFO] [stderr] 218 | fn print_futur_pathes(pathes: &Vec>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:135:5 [INFO] [stderr] | [INFO] [stderr] 135 | eat_my_food(&g, &mut possibles); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:1066:9 [INFO] [stderr] | [INFO] [stderr] 1066 | parent.append(next_node, arena); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_futur_pathes` [INFO] [stderr] --> src/main.rs:218:1 [INFO] [stderr] | [INFO] [stderr] 218 | fn print_futur_pathes(pathes: &Vec>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:135:5 [INFO] [stderr] | [INFO] [stderr] 135 | eat_my_food(&g, &mut possibles); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:1066:9 [INFO] [stderr] | [INFO] [stderr] 1066 | parent.append(next_node, arena); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.02s [INFO] running `"docker" "inspect" "b7f5d9c9c1a8e7a06fec5ea8d1334150de9ad92aa3acf69609ce59ecb5338cef"` [INFO] running `"docker" "rm" "-f" "b7f5d9c9c1a8e7a06fec5ea8d1334150de9ad92aa3acf69609ce59ecb5338cef"` [INFO] [stdout] b7f5d9c9c1a8e7a06fec5ea8d1334150de9ad92aa3acf69609ce59ecb5338cef