[INFO] cloning repository https://github.com/wakuto/Robots-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wakuto/Robots-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwakuto%2FRobots-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwakuto%2FRobots-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a4340bfb16b67de202e1638a58e4ee41f7b3196
[INFO] checking wakuto/Robots-rs against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwakuto%2FRobots-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wakuto/Robots-rs on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wakuto/Robots-rs
[INFO] finished tweaking git repo https://github.com/wakuto/Robots-rs
[INFO] tweaked toml for git repo https://github.com/wakuto/Robots-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wakuto/Robots-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46a4983b0d5bf4f931eb5c5792c75056b22909655132c80314bb30026273a306
[INFO] running `Command { std: "docker" "start" "-a" "46a4983b0d5bf4f931eb5c5792c75056b22909655132c80314bb30026273a306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46a4983b0d5bf4f931eb5c5792c75056b22909655132c80314bb30026273a306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46a4983b0d5bf4f931eb5c5792c75056b22909655132c80314bb30026273a306", kill_on_drop: false }`
[INFO] [stdout] 46a4983b0d5bf4f931eb5c5792c75056b22909655132c80314bb30026273a306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5604fb6a75b2640b131cfc3eec53bd00dfcadd2df489695898d25b444c344adf
[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" "5604fb6a75b2640b131cfc3eec53bd00dfcadd2df489695898d25b444c344adf", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]     Checking robots v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:205:3
[INFO] [stdout]     |
[INFO] [stdout] 172 | /   loop {
[INFO] [stdout] 173 | |     //mv((field.pos.y + y) as i32, (field.pos.x + x) as i32);
[INFO] [stdout] 174 | |     let prev_x = x;
[INFO] [stdout] 175 | |     let prev_y = y;
[INFO] [stdout] ...   |
[INFO] [stdout] 203 | |     field.print();
[INFO] [stdout] 204 | |   }
[INFO] [stdout]     | |___- any code following this expression is unreachable
[INFO] [stdout] 205 | /   while getch() != KEY_QUIT {
[INFO] [stdout] 206 | |   }
[INFO] [stdout]     | |___^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |   let window = initscr();
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:171:11
[INFO] [stdout]     |
[INFO] [stdout] 171 |   let mut res = true;
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/main.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |   fn moving(&mut self, field: &Field, dir: Direction) {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     for i in 0..self.x_size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/main.rs:205:3
[INFO] [stdout]     |
[INFO] [stdout] 172 | /   loop {
[INFO] [stdout] 173 | |     //mv((field.pos.y + y) as i32, (field.pos.x + x) as i32);
[INFO] [stdout] 174 | |     let prev_x = x;
[INFO] [stdout] 175 | |     let prev_y = y;
[INFO] [stdout] ...   |
[INFO] [stdout] 203 | |     field.print();
[INFO] [stdout] 204 | |   }
[INFO] [stdout]     | |___- any code following this expression is unreachable
[INFO] [stdout] 205 | /   while getch() != KEY_QUIT {
[INFO] [stdout] 206 | |   }
[INFO] [stdout]     | |___^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:171:7
[INFO] [stdout]     |
[INFO] [stdout] 171 |   let mut res = true;
[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] error[E0502]: cannot borrow `field.player` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     field.player.moving(&field, dir);
[INFO] [stdout]     |     ^^^^^^^^^^^^^------^------^^^^^^
[INFO] [stdout]     |     |            |      |
[INFO] [stdout]     |     |            |      immutable borrow occurs here
[INFO] [stdout]     |     |            immutable borrow later used by call
[INFO] [stdout]     |     mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `window`
[INFO] [stdout]    --> src/main.rs:146:7
[INFO] [stdout]     |
[INFO] [stdout] 146 |   let window = initscr();
[INFO] [stdout]     |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_window`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]    --> src/main.rs:171:11
[INFO] [stdout]     |
[INFO] [stdout] 171 |   let mut res = true;
[INFO] [stdout]     |           ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `field`
[INFO] [stdout]   --> src/main.rs:59:24
[INFO] [stdout]    |
[INFO] [stdout] 59 |   fn moving(&mut self, field: &Field, dir: Direction) {
[INFO] [stdout]    |                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_field`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:126:9
[INFO] [stdout]     |
[INFO] [stdout] 126 |     for i in 0..self.x_size {
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `robots` due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:171:7
[INFO] [stdout]     |
[INFO] [stdout] 171 |   let mut res = true;
[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] error[E0502]: cannot borrow `field.player` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/main.rs:201:5
[INFO] [stdout]     |
[INFO] [stdout] 201 |     field.player.moving(&field, dir);
[INFO] [stdout]     |     ^^^^^^^^^^^^^------^------^^^^^^
[INFO] [stdout]     |     |            |      |
[INFO] [stdout]     |     |            |      immutable borrow occurs here
[INFO] [stdout]     |     |            immutable borrow later used by call
[INFO] [stdout]     |     mutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5604fb6a75b2640b131cfc3eec53bd00dfcadd2df489695898d25b444c344adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5604fb6a75b2640b131cfc3eec53bd00dfcadd2df489695898d25b444c344adf", kill_on_drop: false }`
[INFO] [stdout] 5604fb6a75b2640b131cfc3eec53bd00dfcadd2df489695898d25b444c344adf