[INFO] fetching crate gengine 0.1.0...
[INFO] checking gengine-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate gengine 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gengine 0.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate gengine 0.1.0
[INFO] finished tweaking crates.io crate gengine 0.1.0
[INFO] tweaked toml for crates.io crate gengine 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c768cdda63d715d6afef600733b6598e116fd82e8eedb4569698dbc13e3225d
[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" "7c768cdda63d715d6afef600733b6598e116fd82e8eedb4569698dbc13e3225d"`
[INFO] [stderr]     Checking cgmath v0.12.0
[INFO] [stderr]     Checking gengine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn as_any(&self) -> &Any;
[INFO] [stderr]   |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn as_any(&self) -> &Any {
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn as_any(&self) -> &Any {
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:26
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn as_any(&self) -> &Any {
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:90:27
[INFO] [stderr]    |
[INFO] [stderr] 90 | type Components = Vec<Box<Component>>;
[INFO] [stderr]    |                           ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn as_any(&self) -> &Any;
[INFO] [stderr]   |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn as_any(&self) -> &Any {
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn as_any(&self) -> &Any {
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:26
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn as_any(&self) -> &Any {
[INFO] [stderr]    |                          ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:90:27
[INFO] [stderr]    |
[INFO] [stderr] 90 | type Components = Vec<Box<Component>>;
[INFO] [stderr]    |                           ^^^^^^^^^ help: use `dyn`: `dyn Component`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/lib.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |     if let Some(m) = motion {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_p`
[INFO] [stderr]    --> src/lib.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let mut new_p = p;
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_new_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |     for i in 0..20 {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:102:17
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let mut new_p = p;
[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: `set`
[INFO] [stderr]   --> src/lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn set(&mut self, x: i32, y: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/lib.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn new() -> Motion {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_v`
[INFO] [stderr]   --> src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn set_v(&mut self, a_x: f32, a_y: f32)  {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_a`
[INFO] [stderr]   --> src/lib.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn set_a(&mut self, v_x: f32, v_y: f32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_cmpnt`
[INFO] [stderr]   --> src/lib.rs:70:1
[INFO] [stderr]    |
[INFO] [stderr] 70 | / fn get_cmpnt<'a, T>(v: &'a Components) -> Option<T>
[INFO] [stderr] 71 | |     where T: Component + Copy + 'static {
[INFO] [stderr] 72 | |     for boxed_cmpnt in v {
[INFO] [stderr] 73 | |         match boxed_cmpnt.as_any().downcast_ref::<T>() {
[INFO] [stderr] ...  |
[INFO] [stderr] 78 | |     return None;
[INFO] [stderr] 79 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_cmpnt`
[INFO] [stderr]   --> src/lib.rs:81:1
[INFO] [stderr]    |
[INFO] [stderr] 81 | / fn set_cmpnt<T>(v: &mut Components, val: T)
[INFO] [stderr] 82 | |     where T: Component + Copy + 'static {
[INFO] [stderr] 83 | |     for boxed_cmpnt in v.iter_mut() {
[INFO] [stderr] 84 | |         if let Some(_) = boxed_cmpnt.as_any().downcast_ref::<T>() {
[INFO] [stderr] ...  |
[INFO] [stderr] 87 | |     }
[INFO] [stderr] 88 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Components`
[INFO] [stderr]   --> src/lib.rs:90:1
[INFO] [stderr]    |
[INFO] [stderr] 90 | type Components = Vec<Box<Component>>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Screen`
[INFO] [stderr]   --> src/lib.rs:92:1
[INFO] [stderr]    |
[INFO] [stderr] 92 | struct Screen {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `moving`
[INFO] [stderr]   --> src/lib.rs:97:1
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn moving(entity: &Components) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rendering`
[INFO] [stderr]    --> src/lib.rs:108:1
[INFO] [stderr]     |
[INFO] [stderr] 108 | fn rendering(screen: &Screen, entity: &Components) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]    --> src/lib.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | fn main() {
[INFO] [stderr]     | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/lib.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |     if let Some(m) = motion {
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_p`
[INFO] [stderr]    --> src/lib.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let mut new_p = p;
[INFO] [stderr]     |                     ^^^^^ help: consider prefixing with an underscore: `_new_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/lib.rs:147:9
[INFO] [stderr]     |
[INFO] [stderr] 147 |     for i in 0..20 {
[INFO] [stderr]     |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:102:17
[INFO] [stderr]     |
[INFO] [stderr] 102 |             let mut new_p = p;
[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: `set`
[INFO] [stderr]   --> src/lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn set(&mut self, x: i32, y: i32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_v`
[INFO] [stderr]   --> src/lib.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn set_v(&mut self, a_x: f32, a_y: f32)  {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_a`
[INFO] [stderr]   --> src/lib.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn set_a(&mut self, v_x: f32, v_y: f32) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `pong`
[INFO] [stderr]  --> examples/pong.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate gengine;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^ consider adding a `main` function to `examples/pong.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `gengine`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7c768cdda63d715d6afef600733b6598e116fd82e8eedb4569698dbc13e3225d"`
[INFO] running `"docker" "rm" "-f" "7c768cdda63d715d6afef600733b6598e116fd82e8eedb4569698dbc13e3225d"`
[INFO] [stdout] 7c768cdda63d715d6afef600733b6598e116fd82e8eedb4569698dbc13e3225d