[INFO] updating cached repository https://github.com/oeb25/rustgame
[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] 6e182bf0235dc082248a44dc1565f7053f45109e
[INFO] checking oeb25/rustgame against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foeb25%2Frustgame" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oeb25/rustgame on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/oeb25/rustgame
[INFO] finished tweaking git repo https://github.com/oeb25/rustgame
[INFO] tweaked toml for git repo https://github.com/oeb25/rustgame written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/oeb25/rustgame already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b47cef69cd2e30a42701625cf4f7c9e50b93adc29509d4559975b80021dc0f2d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "b47cef69cd2e30a42701625cf4f7c9e50b93adc29509d4559975b80021dc0f2d"`
[INFO] [stderr]    Compiling freetype-sys v0.3.1
[INFO] [stderr]     Checking gif v0.8.0
[INFO] [stderr]     Checking pistoncore-input v0.12.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling glutin v0.5.2
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking freetype-rs v0.7.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking pistoncore-window v0.19.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.22.1
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]     Checking piston v0.22.1
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking image v0.9.1
[INFO] [stderr]     Checking pistoncore-glutin_window v0.26.1
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.28.2
[INFO] [stderr]     Checking rustgame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: match arms have incompatible types
[INFO] [stderr]   --> src/question.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |           match (a_option, b_option) {
[INFO] [stderr]    |  _________-
[INFO] [stderr] 20 | |             (Some(ref mut a), Some(ref mut b)) => {
[INFO] [stderr] 21 | |                 a.x += b.x;
[INFO] [stderr] 22 | |                 a.y += b.y;
[INFO] [stderr] 23 | |
[INFO] [stderr] 24 | |                 (Some(a), Some(b))
[INFO] [stderr]    | |                 ------------------ this is found to be of type `(std::option::Option<&mut Point>, std::option::Option<&mut Point>)`
[INFO] [stderr] 25 | |             },
[INFO] [stderr] 26 | |             (a, b) => (a, b)
[INFO] [stderr]    | |                       ^^^^^^ expected &mut Point, found struct `Point`
[INFO] [stderr] 27 | |         };
[INFO] [stderr]    | |_________- `match` arms have incompatible types
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(std::option::Option<&mut Point>, std::option::Option<&mut Point>)`
[INFO] [stderr]               found type `(std::option::Option<Point>, std::option::Option<Point>)`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `rustgame`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0308]: match arms have incompatible types
[INFO] [stderr]   --> src/question.rs:26:14
[INFO] [stderr]    |
[INFO] [stderr] 19 |           match (a_option, b_option) {
[INFO] [stderr]    |  _________-
[INFO] [stderr] 20 | |             (Some(ref mut a), Some(ref mut b)) => {
[INFO] [stderr] 21 | |                 a.x += b.x;
[INFO] [stderr] 22 | |                 a.y += b.y;
[INFO] [stderr] 23 | |
[INFO] [stderr] 24 | |                 (Some(a), Some(b))
[INFO] [stderr]    | |                 ------------------ this is found to be of type `(std::option::Option<&mut Point>, std::option::Option<&mut Point>)`
[INFO] [stderr] 25 | |             },
[INFO] [stderr] 26 | |             (a, b) => (a, b)
[INFO] [stderr]    | |                       ^^^^^^ expected &mut Point, found struct `Point`
[INFO] [stderr] 27 | |         };
[INFO] [stderr]    | |_________- `match` arms have incompatible types
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `(std::option::Option<&mut Point>, std::option::Option<&mut Point>)`
[INFO] [stderr]               found type `(std::option::Option<Point>, std::option::Option<Point>)`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `rustgame`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `self::piston::event_loop::*`
[INFO] [stderr]  --> src/game.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::piston::event_loop::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]   --> src/game.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ops::Add;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]   --> src/game.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/game.rs:178:20
[INFO] [stderr]     |
[INFO] [stderr] 178 |                         'move_x: for i in 0..4 {
[INFO] [stderr]     |                                      ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/game.rs:196:20
[INFO] [stderr]     |
[INFO] [stderr] 196 |                         'move_y: for i in 0..4 {
[INFO] [stderr]     |                                      ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `up`
[INFO] [stderr]    --> src/game.rs:215:33
[INFO] [stderr]     |
[INFO] [stderr] 215 |                     &Flag::Input {left, right, up, down, jump} => {
[INFO] [stderr]     |                                                ^^ help: try ignoring the field: `up: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `down`
[INFO] [stderr]    --> src/game.rs:215:37
[INFO] [stderr]     |
[INFO] [stderr] 215 |                     &Flag::Input {left, right, up, down, jump} => {
[INFO] [stderr]     |                                                    ^^^^ help: try ignoring the field: `down: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/game.rs:304:14
[INFO] [stderr]     |
[INFO] [stderr] 304 |                     let ref pos = entity.position;
[INFO] [stderr]     |                             ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `square`
[INFO] [stderr]    --> src/game.rs:295:11
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let mut square = rectangle::square(0.0, 1.0, 50.0);
[INFO] [stderr]     |                 ^^^^^^ help: consider prefixing with an underscore: `_square`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/game.rs:295:7
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let mut square = rectangle::square(0.0, 1.0, 50.0);
[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: method is never used: `add`
[INFO] [stderr]   --> src/game.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn add(&self, other: Vector2D) -> Vector2D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_unit`
[INFO] [stderr]   --> src/game.rs:34:2
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn to_unit(&self) -> Vector2D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len_sq`
[INFO] [stderr]   --> src/game.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn len_sq(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/game.rs:44:2
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn len(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `min`
[INFO] [stderr]   --> src/game.rs:86:2
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn min(&self) -> Vector2D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max`
[INFO] [stderr]   --> src/game.rs:90:2
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn max(&self) -> Vector2D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_array`
[INFO] [stderr]    --> src/game.rs:102:2
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn to_array(&self) -> [f64; 4] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::piston::event_loop::*`
[INFO] [stderr]  --> src/game.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use self::piston::event_loop::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Add`
[INFO] [stderr]   --> src/game.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ops::Add;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]   --> src/game.rs:13:24
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::collections::{HashMap, HashSet};
[INFO] [stderr]    |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/game.rs:178:20
[INFO] [stderr]     |
[INFO] [stderr] 178 |                         'move_x: for i in 0..4 {
[INFO] [stderr]     |                                      ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/game.rs:196:20
[INFO] [stderr]     |
[INFO] [stderr] 196 |                         'move_y: for i in 0..4 {
[INFO] [stderr]     |                                      ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `up`
[INFO] [stderr]    --> src/game.rs:215:33
[INFO] [stderr]     |
[INFO] [stderr] 215 |                     &Flag::Input {left, right, up, down, jump} => {
[INFO] [stderr]     |                                                ^^ help: try ignoring the field: `up: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `down`
[INFO] [stderr]    --> src/game.rs:215:37
[INFO] [stderr]     |
[INFO] [stderr] 215 |                     &Flag::Input {left, right, up, down, jump} => {
[INFO] [stderr]     |                                                    ^^^^ help: try ignoring the field: `down: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos`
[INFO] [stderr]    --> src/game.rs:304:14
[INFO] [stderr]     |
[INFO] [stderr] 304 |                     let ref pos = entity.position;
[INFO] [stderr]     |                             ^^^ help: consider prefixing with an underscore: `_pos`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `square`
[INFO] [stderr]    --> src/game.rs:295:11
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let mut square = rectangle::square(0.0, 1.0, 50.0);
[INFO] [stderr]     |                 ^^^^^^ help: consider prefixing with an underscore: `_square`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/game.rs:295:7
[INFO] [stderr]     |
[INFO] [stderr] 295 |         let mut square = rectangle::square(0.0, 1.0, 50.0);
[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: method is never used: `add`
[INFO] [stderr]   --> src/game.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn add(&self, other: Vector2D) -> Vector2D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_unit`
[INFO] [stderr]   --> src/game.rs:34:2
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn to_unit(&self) -> Vector2D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len_sq`
[INFO] [stderr]   --> src/game.rs:40:2
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn len_sq(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/game.rs:44:2
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn len(&self) -> f64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `min`
[INFO] [stderr]   --> src/game.rs:86:2
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn min(&self) -> Vector2D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `max`
[INFO] [stderr]   --> src/game.rs:90:2
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn max(&self) -> Vector2D {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_array`
[INFO] [stderr]    --> src/game.rs:102:2
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn to_array(&self) -> [f64; 4] {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b47cef69cd2e30a42701625cf4f7c9e50b93adc29509d4559975b80021dc0f2d"`
[INFO] running `"docker" "rm" "-f" "b47cef69cd2e30a42701625cf4f7c9e50b93adc29509d4559975b80021dc0f2d"`
[INFO] [stdout] b47cef69cd2e30a42701625cf4f7c9e50b93adc29509d4559975b80021dc0f2d