[INFO] updating cached repository Epitrochoid/rebound
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Epitrochoid/rebound
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Epitrochoid/rebound" "work/ex/beta-1.38-1/sources/1.37.0/gh/Epitrochoid/rebound"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Epitrochoid/rebound'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Epitrochoid/rebound" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Epitrochoid/rebound"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Epitrochoid/rebound'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e756f3dca3dd978d64c86c09e9d10695d00f0571
[INFO] sha for GitHub repo Epitrochoid/rebound: e756f3dca3dd978d64c86c09e9d10695d00f0571
[INFO] validating manifest of Epitrochoid/rebound on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Epitrochoid/rebound on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Epitrochoid/rebound
[INFO] finished frobbing Epitrochoid/rebound
[INFO] frobbed toml for Epitrochoid/rebound written to work/ex/beta-1.38-1/sources/1.37.0/gh/Epitrochoid/rebound/Cargo.toml
[INFO] started frobbing Epitrochoid/rebound
[INFO] finished frobbing Epitrochoid/rebound
[INFO] frobbed toml for Epitrochoid/rebound written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Epitrochoid/rebound/Cargo.toml
[INFO] crate Epitrochoid/rebound already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing Epitrochoid/rebound against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Epitrochoid/rebound:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2d20e8f0f6260f04d2b2174d1c98bd7bf5980e60931a1ce112f14d064b339b2f
[INFO] running `"docker" "start" "-a" "2d20e8f0f6260f04d2b2174d1c98bd7bf5980e60931a1ce112f14d064b339b2f"`
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling smallvec v0.6.2
[INFO] [stderr]    Compiling claxon v0.3.1
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling app_dirs2 v2.0.3
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling lewton v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling shred-derive v0.5.0
[INFO] [stderr]    Compiling smart-default v0.2.0
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling twox-hash v1.1.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling euclid v0.17.3
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling alga v0.5.4
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling lyon_geom v0.10.1
[INFO] [stderr]    Compiling zip v0.3.3
[INFO] [stderr]    Compiling nalgebra v0.14.4
[INFO] [stderr]    Compiling derivative v1.0.0
[INFO] [stderr]    Compiling rodio v0.7.0
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling specs-derive v0.2.0
[INFO] [stderr]    Compiling lyon_path v0.10.1
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling lyon_tessellation v0.10.2
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling shred v0.7.0
[INFO] [stderr]    Compiling hibitset v0.5.0
[INFO] [stderr]    Compiling lyon v0.10.2
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr]    Compiling shrev v1.0.1
[INFO] [stderr]    Compiling specs v0.11.2
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.14.4/src/core/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling gfx_glyph v0.10.2
[INFO] [stderr]    Compiling gfx_window_sdl v0.8.0
[INFO] [stderr]    Compiling ggez v0.4.3
[INFO] [stderr]    Compiling rebound v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `timer`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     timer,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Entity`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Entity
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Component`
[INFO] [stderr]  --> src/components.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Component,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GameResult`
[INFO] [stderr]  --> src/scene.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     GameResult
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/scene.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Push(Box<Scene<Ctx = C>>),
[INFO] [stderr]   |              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scene<Ctx = C>`
[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/scene.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Swap(Box<Scene<Ctx = C>>),
[INFO] [stderr]   |              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scene<Ctx = C>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:23:33
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub current_scenes: Vec<Box<Scene<Ctx = C>>>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scene<Ctx = C>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ggez`
[INFO] [stderr]  --> src/world.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ggez;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scene`
[INFO] [stderr]  --> src/world.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use scene;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> src/scenes/start.rs:12:41
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(ctx: &mut ggez::Context, world: &mut World) -> Self {
[INFO] [stderr]    |                                         ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]   --> src/scenes/start.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn update(&mut self, context: &mut Self::Ctx) -> scene::SceneCommand<Self::Ctx> {
[INFO] [stderr]    |                          ^^^^^^^ help: consider prefixing with an underscore: `_context`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let mut ggez_conf = ContextBuilder::new("rebound", "rebound")
[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: variant is never constructed: `Push`
[INFO] [stderr]  --> src/scene.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Push(Box<Scene<Ctx = C>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Swap`
[INFO] [stderr]  --> src/scene.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Swap(Box<Scene<Ctx = C>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pop`
[INFO] [stderr]  --> src/scene.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Pop
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_components`
[INFO] [stderr]   --> src/world.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn register_components(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/drawables.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         set_color(ctx, Color::new(1.0, 0.0, 0.0, 1.0));
[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]     Finished dev [unoptimized + debuginfo] target(s) in 4m 09s
[INFO] running `"docker" "inspect" "2d20e8f0f6260f04d2b2174d1c98bd7bf5980e60931a1ce112f14d064b339b2f"`
[INFO] running `"docker" "rm" "-f" "2d20e8f0f6260f04d2b2174d1c98bd7bf5980e60931a1ce112f14d064b339b2f"`
[INFO] [stdout] 2d20e8f0f6260f04d2b2174d1c98bd7bf5980e60931a1ce112f14d064b339b2f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Epitrochoid/rebound:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] c895ad4925d2ef4d13c978a8fd34c711b0f47cdf7d3b76a9959839b9f1414f40
[INFO] running `"docker" "start" "-a" "c895ad4925d2ef4d13c978a8fd34c711b0f47cdf7d3b76a9959839b9f1414f40"`
[INFO] [stderr]    Compiling rebound v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `timer`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     timer,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Entity`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Entity
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Component`
[INFO] [stderr]  --> src/components.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Component,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GameResult`
[INFO] [stderr]  --> src/scene.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     GameResult
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/scene.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Push(Box<Scene<Ctx = C>>),
[INFO] [stderr]   |              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scene<Ctx = C>`
[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/scene.rs:8:14
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Swap(Box<Scene<Ctx = C>>),
[INFO] [stderr]   |              ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scene<Ctx = C>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/scene.rs:23:33
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub current_scenes: Vec<Box<Scene<Ctx = C>>>
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^ help: use `dyn`: `dyn Scene<Ctx = C>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ggez`
[INFO] [stderr]  --> src/world.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use ggez;
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `scene`
[INFO] [stderr]  --> src/world.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use scene;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `world`
[INFO] [stderr]   --> src/scenes/start.rs:12:41
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new(ctx: &mut ggez::Context, world: &mut World) -> Self {
[INFO] [stderr]    |                                         ^^^^^ help: consider prefixing with an underscore: `_world`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `context`
[INFO] [stderr]   --> src/scenes/start.rs:25:26
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn update(&mut self, context: &mut Self::Ctx) -> scene::SceneCommand<Self::Ctx> {
[INFO] [stderr]    |                          ^^^^^^^ help: consider prefixing with an underscore: `_context`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let mut ggez_conf = ContextBuilder::new("rebound", "rebound")
[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: variant is never constructed: `Push`
[INFO] [stderr]  --> src/scene.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Push(Box<Scene<Ctx = C>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Swap`
[INFO] [stderr]  --> src/scene.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Swap(Box<Scene<Ctx = C>>),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Pop`
[INFO] [stderr]  --> src/scene.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Pop
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `register_components`
[INFO] [stderr]   --> src/world.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn register_components(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/drawables.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         set_color(ctx, Color::new(1.0, 0.0, 0.0, 1.0));
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `"docker" "inspect" "c895ad4925d2ef4d13c978a8fd34c711b0f47cdf7d3b76a9959839b9f1414f40"`
[INFO] running `"docker" "rm" "-f" "c895ad4925d2ef4d13c978a8fd34c711b0f47cdf7d3b76a9959839b9f1414f40"`
[INFO] [stdout] c895ad4925d2ef4d13c978a8fd34c711b0f47cdf7d3b76a9959839b9f1414f40
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Epitrochoid/rebound:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] af2360d8d639c9ba82f5d2f6b3c4d038db1c34837362332ea45a67baa5060378
[INFO] running `"docker" "start" "-a" "af2360d8d639c9ba82f5d2f6b3c4d038db1c34837362332ea45a67baa5060378"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rebound-d5d0a8d354f6c98d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "af2360d8d639c9ba82f5d2f6b3c4d038db1c34837362332ea45a67baa5060378"`
[INFO] running `"docker" "rm" "-f" "af2360d8d639c9ba82f5d2f6b3c4d038db1c34837362332ea45a67baa5060378"`
[INFO] [stdout] af2360d8d639c9ba82f5d2f6b3c4d038db1c34837362332ea45a67baa5060378