[INFO] updating cached repository lduchosal/battlesnake [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/lduchosal/battlesnake [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/lduchosal/battlesnake" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lduchosal/battlesnake"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lduchosal/battlesnake'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lduchosal/battlesnake" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lduchosal/battlesnake"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lduchosal/battlesnake'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0906c57460605be8f3aa55eedaa044abed3307eb [INFO] sha for GitHub repo lduchosal/battlesnake: 0906c57460605be8f3aa55eedaa044abed3307eb [INFO] validating manifest of lduchosal/battlesnake on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of lduchosal/battlesnake on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing lduchosal/battlesnake [INFO] finished frobbing lduchosal/battlesnake [INFO] frobbed toml for lduchosal/battlesnake written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lduchosal/battlesnake/Cargo.toml [INFO] started frobbing lduchosal/battlesnake [INFO] finished frobbing lduchosal/battlesnake [INFO] frobbed toml for lduchosal/battlesnake written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/lduchosal/battlesnake/Cargo.toml [INFO] crate lduchosal/battlesnake already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking lduchosal/battlesnake against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-0/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/lduchosal/battlesnake:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a2875effdd1bb6f04a62c4b642eba0b04895079da29f46ccf32b09b2de67aac0 [INFO] running `"docker" "start" "-a" "a2875effdd1bb6f04a62c4b642eba0b04895079da29f46ccf32b09b2de67aac0"` [INFO] [stderr] Checking backtrace-sys v0.1.28 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking tiny_http v0.6.2 [INFO] [stderr] Checking backtrace v0.3.14 [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/crater/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 31.67s [INFO] running `"docker" "inspect" "a2875effdd1bb6f04a62c4b642eba0b04895079da29f46ccf32b09b2de67aac0"` [INFO] running `"docker" "rm" "-f" "a2875effdd1bb6f04a62c4b642eba0b04895079da29f46ccf32b09b2de67aac0"` [INFO] [stdout] a2875effdd1bb6f04a62c4b642eba0b04895079da29f46ccf32b09b2de67aac0