[INFO] cloning repository https://github.com/Orlha/elle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Orlha/elle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlha%2Felle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlha%2Felle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c69cfea6d09111ac8b81e0e80a023cbc7b7a023
[INFO] testing Orlha/elle against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlha%2Felle" "/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/Orlha/elle on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Orlha/elle
[INFO] finished tweaking git repo https://github.com/Orlha/elle
[INFO] tweaked toml for git repo https://github.com/Orlha/elle written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Orlha/elle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a6175782e19aead4a9d5002dbc6f0c6a3e3a6fc70bff006dbcb4e4d037f16d0
[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" "9a6175782e19aead4a9d5002dbc6f0c6a3e3a6fc70bff006dbcb4e4d037f16d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a6175782e19aead4a9d5002dbc6f0c6a3e3a6fc70bff006dbcb4e4d037f16d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6175782e19aead4a9d5002dbc6f0c6a3e3a6fc70bff006dbcb4e4d037f16d0", kill_on_drop: false }`
[INFO] [stdout] 9a6175782e19aead4a9d5002dbc6f0c6a3e3a6fc70bff006dbcb4e4d037f16d0
[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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40d13c34ddefbdbc2ffb3d1ccf28226198e8a66d9449e06aa183eaf3b2f83697
[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" "40d13c34ddefbdbc2ffb3d1ccf28226198e8a66d9449e06aa183eaf3b2f83697", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling io v0.0.2
[INFO] [stderr]    Compiling termion v1.5.3
[INFO] [stderr]    Compiling game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/map.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn bind_cell(&mut self, id: i32) -> Result<(Pos)> {
[INFO] [stdout]    |                                                    ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/map.rs:51:65
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn bind_cell_close(&mut self, id: i32, pos: Pos) -> Result<(Pos)> {
[INFO] [stdout]    |                                                                    ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/game.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (x, y) in self.cells.iter() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/game.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 |         for id in parents {
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/game.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |         for (id, cell) in self.cells.iter_mut() {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/map.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn bind_cell_close(&mut self, id: i32, pos: Pos) -> Result<(Pos)> {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/map.rs:51:45
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn bind_cell_close(&mut self, id: i32, pos: Pos) -> Result<(Pos)> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell`
[INFO] [stdout]    --> src/map.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn cell_cell(&self, cell: &mut Cell) {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_cell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/map.rs:121:31
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn cell_feast(&mut self, id: i32, pos: Pos) -> Result<i32> {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/map.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn cell_scavenge(&mut self, id: i32, pos: Pos) -> Result<i32> {
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/map.rs:207:7
[INFO] [stdout]     |
[INFO] [stdout] 207 |                         d if (y as i64) < ENERGY_TOP / ENERGY_DROP => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let mut cmd = cell.get_cmd().unwrap() % CMD_SIZE as u8;
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/map.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |                             write!(f, "+{:02}|", ENERGY_TOP - ENERGY_DROP * y as i64);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.35s
[INFO] running `Command { std: "docker" "inspect" "40d13c34ddefbdbc2ffb3d1ccf28226198e8a66d9449e06aa183eaf3b2f83697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d13c34ddefbdbc2ffb3d1ccf28226198e8a66d9449e06aa183eaf3b2f83697", kill_on_drop: false }`
[INFO] [stdout] 40d13c34ddefbdbc2ffb3d1ccf28226198e8a66d9449e06aa183eaf3b2f83697
[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=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a91a606679aaa6916618312b711051e4962d417aa6b2a215af95db8cbbb8630
[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" "1a91a606679aaa6916618312b711051e4962d417aa6b2a215af95db8cbbb8630", kill_on_drop: false }`
[INFO] [stderr]    Compiling game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/map.rs:34:49
[INFO] [stdout]    |
[INFO] [stdout] 34 |     pub fn bind_cell(&mut self, id: i32) -> Result<(Pos)> {
[INFO] [stdout]    |                                                    ^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/map.rs:51:65
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn bind_cell_close(&mut self, id: i32, pos: Pos) -> Result<(Pos)> {
[INFO] [stdout]    |                                                                    ^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/game.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 |         for (x, y) in self.cells.iter() {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/game.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 |         for id in parents {
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/game.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 |         for (id, cell) in self.cells.iter_mut() {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]   --> src/map.rs:51:36
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn bind_cell_close(&mut self, id: i32, pos: Pos) -> Result<(Pos)> {
[INFO] [stdout]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos`
[INFO] [stdout]   --> src/map.rs:51:45
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn bind_cell_close(&mut self, id: i32, pos: Pos) -> Result<(Pos)> {
[INFO] [stdout]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cell`
[INFO] [stdout]    --> src/map.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn cell_cell(&self, cell: &mut Cell) {
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_cell`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/map.rs:121:31
[INFO] [stdout]     |
[INFO] [stdout] 121 |     pub fn cell_feast(&mut self, id: i32, pos: Pos) -> Result<i32> {
[INFO] [stdout]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/map.rs:160:34
[INFO] [stdout]     |
[INFO] [stdout] 160 |     pub fn cell_scavenge(&mut self, id: i32, pos: Pos) -> Result<i32> {
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/map.rs:207:7
[INFO] [stdout]     |
[INFO] [stdout] 207 |                         d if (y as i64) < ENERGY_TOP / ENERGY_DROP => {
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/game.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 let mut cmd = cell.get_cmd().unwrap() % CMD_SIZE as u8;
[INFO] [stdout]    |                     ----^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/map.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 |                             write!(f, "+{:02}|", ENERGY_TOP - ENERGY_DROP * y as i64);
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "1a91a606679aaa6916618312b711051e4962d417aa6b2a215af95db8cbbb8630", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a91a606679aaa6916618312b711051e4962d417aa6b2a215af95db8cbbb8630", kill_on_drop: false }`
[INFO] [stdout] 1a91a606679aaa6916618312b711051e4962d417aa6b2a215af95db8cbbb8630
[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=warn" "-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" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8122361741f4c84b5705d93d31a6ceb10bc5252e92b53de08f7e32ed7a1f1b1e
[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" "8122361741f4c84b5705d93d31a6ceb10bc5252e92b53de08f7e32ed7a1f1b1e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/map.rs:34:49
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 34 |     pub fn bind_cell(&mut self, id: i32) -> Result<(Pos)> {
[INFO] [stdout] 
[INFO] [stderr]    |                                                    ^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/map.rs:51:65
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn bind_cell_close(&mut self, id: i32, pos: Pos) -> Result<(Pos)> {
[INFO] [stderr]    |                                                                    ^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/game.rs:42:11
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (x, y) in self.cells.iter() {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/game.rs:87:7
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for id in parents {
[INFO] [stderr]    |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/game.rs:89:8
[INFO] [stderr]    |
[INFO] [stderr] 89 |         for (id, cell) in self.cells.iter_mut() {
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]   --> src/map.rs:51:36
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn bind_cell_close(&mut self, id: i32, pos: Pos) -> Result<(Pos)> {
[INFO] [stderr]    |                                       ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]   --> src/map.rs:51:45
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn bind_cell_close(&mut self, id: i32, pos: Pos) -> Result<(Pos)> {
[INFO] [stderr]    |                                                ^^^ help: if this is intentional, prefix it with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cell`
[INFO] [stderr]    --> src/map.rs:119:26
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn cell_cell(&self, cell: &mut Cell) {
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_cell`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/map.rs:121:31
[INFO] [stderr]     |
[INFO] [stderr] 121 |     pub fn cell_feast(&mut self, id: i32, pos: Pos) -> Result<i32> {
[INFO] [stderr]     |                                  ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/map.rs:160:34
[INFO] [stderr]     |
[INFO] [stderr] 160 |     pub fn cell_scavenge(&mut self, id: i32, pos: Pos) -> Result<i32> {
[INFO] [stderr]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `d`
[INFO] [stderr]    --> src/map.rs:207:7
[INFO] [stderr]     |
[INFO] [stderr] 207 |                         d if (y as i64) < ENERGY_TOP / ENERGY_DROP => {
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/game.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let mut cmd = cell.get_cmd().unwrap() % CMD_SIZE as u8;
[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 `std::result::Result` that must be used
[INFO] [stderr]    --> src/map.rs:208:8
[INFO] [stderr]     |
[INFO] [stderr] 208 |                             write!(f, "+{:02}|", ENERGY_TOP - ENERGY_DROP * y as i64);
[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]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/game-cee5d41da8486aa2
[INFO] running `Command { std: "docker" "inspect" "8122361741f4c84b5705d93d31a6ceb10bc5252e92b53de08f7e32ed7a1f1b1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8122361741f4c84b5705d93d31a6ceb10bc5252e92b53de08f7e32ed7a1f1b1e", kill_on_drop: false }`
[INFO] [stdout] 8122361741f4c84b5705d93d31a6ceb10bc5252e92b53de08f7e32ed7a1f1b1e
