[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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/lduchosal/battlesnake"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/lduchosal/battlesnake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lduchosal/battlesnake" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/lduchosal/battlesnake"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/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#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lduchosal/battlesnake on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-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-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/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-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/lduchosal/battlesnake/Cargo.toml
[INFO] crate lduchosal/battlesnake already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lduchosal/battlesnake against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/lduchosal/battlesnake:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cff0a5a5c1ff7ecc47f346dfb6a4555061e03a72eefcc2f429647d6dd787a31f
[INFO] running `"docker" "start" "-a" "cff0a5a5c1ff7ecc47f346dfb6a4555061e03a72eefcc2f429647d6dd787a31f"`
[INFO] [stderr]    Compiling syn v0.15.28
[INFO] [stderr]     Checking tiny_http v0.6.2
[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/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<Possible>) {
[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: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]     = note: #[warn(unused_mut)] on by default
[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<Possible>) {
[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: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]     = note: #[warn(unused_mut)] on by default
[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<Vec<Point>>) {
[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<Vec<Point>>) {
[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 42.25s
[INFO] running `"docker" "inspect" "cff0a5a5c1ff7ecc47f346dfb6a4555061e03a72eefcc2f429647d6dd787a31f"`
[INFO] running `"docker" "rm" "-f" "cff0a5a5c1ff7ecc47f346dfb6a4555061e03a72eefcc2f429647d6dd787a31f"`
[INFO] [stdout] cff0a5a5c1ff7ecc47f346dfb6a4555061e03a72eefcc2f429647d6dd787a31f