[INFO] updating cached repository hokora/pong
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hokora/pong
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hokora/pong" "work/ex/beta-1.38-1/sources/1.37.0/gh/hokora/pong"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hokora/pong'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hokora/pong" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hokora/pong"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hokora/pong'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f559bb0d3bffff8b76e42c35b16bdcc78e590d12
[INFO] sha for GitHub repo hokora/pong: f559bb0d3bffff8b76e42c35b16bdcc78e590d12
[INFO] validating manifest of hokora/pong 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 hokora/pong 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 hokora/pong
[INFO] finished frobbing hokora/pong
[INFO] frobbed toml for hokora/pong written to work/ex/beta-1.38-1/sources/1.37.0/gh/hokora/pong/Cargo.toml
[INFO] started frobbing hokora/pong
[INFO] finished frobbing hokora/pong
[INFO] frobbed toml for hokora/pong written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hokora/pong/Cargo.toml
[INFO] crate hokora/pong 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hokora/pong against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hokora/pong:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 20f144872e6af41af427e40dd11d2e42a7cf75557b38d515fc41a94b17076edf
[INFO] running `"docker" "start" "-a" "20f144872e6af41af427e40dd11d2e42a7cf75557b38d515fc41a94b17076edf"`
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling shared_library v0.1.7
[INFO] [stderr]    Compiling png v0.8.0
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling gfx v0.16.1
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling rayon-core v1.2.1
[INFO] [stderr]    Compiling tempfile v2.1.6
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.9.9
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling wayland-client v0.9.9
[INFO] [stderr]    Compiling jpeg-decoder v0.1.13
[INFO] [stderr]    Compiling image v0.14.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.9
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling wayland-window v0.6.1
[INFO] [stderr]    Compiling winit v0.7.5
[INFO] [stderr]    Compiling piston-gfx_texture v0.25.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.42.0
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.38.0
[INFO] [stderr]    Compiling piston_window v0.68.0
[INFO] [stderr]    Compiling pong v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `color` is imported redundantly
[INFO] [stderr]   --> src/objects.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 1  | use piston_window::*;
[INFO] [stderr]    |     ---------------- the item `color` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 30 |         use piston_window::color;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/objects.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(width:u32,height:u32)->Ball{
[INFO] [stderr]    |                ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/objects.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(width:u32,height:u32)->Ball{
[INFO] [stderr]    |                          ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Ball`
[INFO] [stderr]  --> src/objects.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Ball{
[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/objects.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(width:u32,height:u32)->Ball{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/objects.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn draw(){
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Field`
[INFO] [stderr]  --> src/field.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Field{
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/field.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn draw(&self, c: context::Context, g: &mut G2d){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Bounds`
[INFO] [stderr]   --> src/field.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Bounds{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/field.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(min_x:f64,max_x:f64,min_y:f64,max_y:f64)->Bounds{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/field.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn draw(&self, c: context::Context, g: &mut G2d){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 25s
[INFO] running `"docker" "inspect" "20f144872e6af41af427e40dd11d2e42a7cf75557b38d515fc41a94b17076edf"`
[INFO] running `"docker" "rm" "-f" "20f144872e6af41af427e40dd11d2e42a7cf75557b38d515fc41a94b17076edf"`
[INFO] [stdout] 20f144872e6af41af427e40dd11d2e42a7cf75557b38d515fc41a94b17076edf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hokora/pong:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a4fe0223fa1210efd627f2831d56cf657dc43dc74cdc200c599373447e21bb8d
[INFO] running `"docker" "start" "-a" "a4fe0223fa1210efd627f2831d56cf657dc43dc74cdc200c599373447e21bb8d"`
[INFO] [stderr]    Compiling pong v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `color` is imported redundantly
[INFO] [stderr]   --> src/objects.rs:30:13
[INFO] [stderr]    |
[INFO] [stderr] 1  | use piston_window::*;
[INFO] [stderr]    |     ---------------- the item `color` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 30 |         use piston_window::color;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/objects.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(width:u32,height:u32)->Ball{
[INFO] [stderr]    |                ^^^^^ help: consider prefixing with an underscore: `_width`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `height`
[INFO] [stderr]   --> src/objects.rs:10:26
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(width:u32,height:u32)->Ball{
[INFO] [stderr]    |                          ^^^^^^ help: consider prefixing with an underscore: `_height`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Ball`
[INFO] [stderr]  --> src/objects.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Ball{
[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/objects.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(width:u32,height:u32)->Ball{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/objects.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn draw(){
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Field`
[INFO] [stderr]  --> src/field.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Field{
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/field.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn draw(&self, c: context::Context, g: &mut G2d){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Bounds`
[INFO] [stderr]   --> src/field.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Bounds{
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/field.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(min_x:f64,max_x:f64,min_y:f64,max_y:f64)->Bounds{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `draw`
[INFO] [stderr]   --> src/field.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn draw(&self, c: context::Context, g: &mut G2d){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `"docker" "inspect" "a4fe0223fa1210efd627f2831d56cf657dc43dc74cdc200c599373447e21bb8d"`
[INFO] running `"docker" "rm" "-f" "a4fe0223fa1210efd627f2831d56cf657dc43dc74cdc200c599373447e21bb8d"`
[INFO] [stdout] a4fe0223fa1210efd627f2831d56cf657dc43dc74cdc200c599373447e21bb8d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hokora/pong:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0b90c49ae0f1e8c68ca528d4352ccff78a51611cd947e00cf5639e3cc94d3aa5
[INFO] running `"docker" "start" "-a" "0b90c49ae0f1e8c68ca528d4352ccff78a51611cd947e00cf5639e3cc94d3aa5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pong-36aec914fc92a67e
[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" "0b90c49ae0f1e8c68ca528d4352ccff78a51611cd947e00cf5639e3cc94d3aa5"`
[INFO] running `"docker" "rm" "-f" "0b90c49ae0f1e8c68ca528d4352ccff78a51611cd947e00cf5639e3cc94d3aa5"`
[INFO] [stdout] 0b90c49ae0f1e8c68ca528d4352ccff78a51611cd947e00cf5639e3cc94d3aa5