[INFO] updating cached repository hockeybuggy/rust_pong
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hockeybuggy/rust_pong
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hockeybuggy/rust_pong" "work/ex/beta-1.38-1/sources/1.37.0/gh/hockeybuggy/rust_pong"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/hockeybuggy/rust_pong'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hockeybuggy/rust_pong" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hockeybuggy/rust_pong"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hockeybuggy/rust_pong'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6cb0429c90801a3e65cbff991f934e85e8a65244
[INFO] sha for GitHub repo hockeybuggy/rust_pong: 6cb0429c90801a3e65cbff991f934e85e8a65244
[INFO] validating manifest of hockeybuggy/rust_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 hockeybuggy/rust_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 hockeybuggy/rust_pong
[INFO] finished frobbing hockeybuggy/rust_pong
[INFO] frobbed toml for hockeybuggy/rust_pong written to work/ex/beta-1.38-1/sources/1.37.0/gh/hockeybuggy/rust_pong/Cargo.toml
[INFO] started frobbing hockeybuggy/rust_pong
[INFO] finished frobbing hockeybuggy/rust_pong
[INFO] frobbed toml for hockeybuggy/rust_pong written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/hockeybuggy/rust_pong/Cargo.toml
[INFO] crate hockeybuggy/rust_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 hockeybuggy/rust_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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hockeybuggy/rust_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] 51f451c53690675cfce3b26b887223b82a69b2d490c94e525c340bf5cc4139f6
[INFO] running `"docker" "start" "-a" "51f451c53690675cfce3b26b887223b82a69b2d490c94e525c340bf5cc4139f6"`
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.38
[INFO] [stderr]    Compiling glutin v0.8.1
[INFO] [stderr]    Compiling png v0.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.12
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling image v0.13.0
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.8.7
[INFO] [stderr]    Compiling wayland-client v0.8.7
[INFO] [stderr]    Compiling wayland-kbd v0.8.0
[INFO] [stderr]    Compiling wayland-window v0.5.0
[INFO] [stderr]    Compiling winit v0.6.4
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.43.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.37.0
[INFO] [stderr]    Compiling rust_pong v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/pong/game.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.83s
[INFO] running `"docker" "inspect" "51f451c53690675cfce3b26b887223b82a69b2d490c94e525c340bf5cc4139f6"`
[INFO] running `"docker" "rm" "-f" "51f451c53690675cfce3b26b887223b82a69b2d490c94e525c340bf5cc4139f6"`
[INFO] [stdout] 51f451c53690675cfce3b26b887223b82a69b2d490c94e525c340bf5cc4139f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hockeybuggy/rust_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] 581ac68923ab01beebff6366801c1119b63fb7da7840e266cf61466bf4023753
[INFO] running `"docker" "start" "-a" "581ac68923ab01beebff6366801c1119b63fb7da7840e266cf61466bf4023753"`
[INFO] [stderr]    Compiling rust_pong v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]   --> src/pong/game.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn update(&mut self, args: &UpdateArgs) {
[INFO] [stderr]    |                              ^^^^ help: consider prefixing with an underscore: `_args`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "581ac68923ab01beebff6366801c1119b63fb7da7840e266cf61466bf4023753"`
[INFO] running `"docker" "rm" "-f" "581ac68923ab01beebff6366801c1119b63fb7da7840e266cf61466bf4023753"`
[INFO] [stdout] 581ac68923ab01beebff6366801c1119b63fb7da7840e266cf61466bf4023753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/hockeybuggy/rust_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] 564c6f4183553a5a94beb0d64c3c0b72f1810216d75b291f05af4bfc89edcd1a
[INFO] running `"docker" "start" "-a" "564c6f4183553a5a94beb0d64c3c0b72f1810216d75b291f05af4bfc89edcd1a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_pong-d0d7c20fbebd99be
[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" "564c6f4183553a5a94beb0d64c3c0b72f1810216d75b291f05af4bfc89edcd1a"`
[INFO] running `"docker" "rm" "-f" "564c6f4183553a5a94beb0d64c3c0b72f1810216d75b291f05af4bfc89edcd1a"`
[INFO] [stdout] 564c6f4183553a5a94beb0d64c3c0b72f1810216d75b291f05af4bfc89edcd1a