[INFO] updating cached repository mlipke/pong
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mlipke/pong
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mlipke/pong" "work/ex/beta-1.37-6/sources/1.36.0/gh/mlipke/pong"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mlipke/pong'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mlipke/pong" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mlipke/pong"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mlipke/pong'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 752d94c04c99b5d4725045843932e553196d68b5
[INFO] sha for GitHub repo mlipke/pong: 752d94c04c99b5d4725045843932e553196d68b5
[INFO] validating manifest of mlipke/pong on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mlipke/pong on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mlipke/pong
[INFO] finished frobbing mlipke/pong
[INFO] frobbed toml for mlipke/pong written to work/ex/beta-1.37-6/sources/1.36.0/gh/mlipke/pong/Cargo.toml
[INFO] started frobbing mlipke/pong
[INFO] finished frobbing mlipke/pong
[INFO] frobbed toml for mlipke/pong written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mlipke/pong/Cargo.toml
[INFO] crate mlipke/pong already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mlipke/pong/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mlipke/pong against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mlipke/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 6e85de4bf23b795fb56e2bd6b41e5c0d63d2b8f04efb08ff367ce3b68ed0ec76
[INFO] running `"docker" "start" "-a" "6e85de4bf23b795fb56e2bd6b41e5c0d63d2b8f04efb08ff367ce3b68ed0ec76"`
[INFO] [stderr]    Compiling pistoncore-window v0.14.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.17.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.20.0
[INFO] [stderr]    Compiling piston v0.17.0
[INFO] [stderr]    Compiling pong v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Key` is imported redundantly
[INFO] [stderr]    --> src/app.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 1   | use piston::input::*;
[INFO] [stderr]     |     ---------------- the item `Key` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 128 |         use piston::input::keyboard::Key;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.67s
[INFO] running `"docker" "inspect" "6e85de4bf23b795fb56e2bd6b41e5c0d63d2b8f04efb08ff367ce3b68ed0ec76"`
[INFO] running `"docker" "rm" "-f" "6e85de4bf23b795fb56e2bd6b41e5c0d63d2b8f04efb08ff367ce3b68ed0ec76"`
[INFO] [stdout] 6e85de4bf23b795fb56e2bd6b41e5c0d63d2b8f04efb08ff367ce3b68ed0ec76
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mlipke/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a71ad37e5b7e75e013746d8ee2554e01fbf014cf3e3cb5782766baa86cc6b53b
[INFO] running `"docker" "start" "-a" "a71ad37e5b7e75e013746d8ee2554e01fbf014cf3e3cb5782766baa86cc6b53b"`
[INFO] [stderr]    Compiling pong v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Key` is imported redundantly
[INFO] [stderr]    --> src/app.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 1   | use piston::input::*;
[INFO] [stderr]     |     ---------------- the item `Key` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 128 |         use piston::input::keyboard::Key;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.49s
[INFO] running `"docker" "inspect" "a71ad37e5b7e75e013746d8ee2554e01fbf014cf3e3cb5782766baa86cc6b53b"`
[INFO] running `"docker" "rm" "-f" "a71ad37e5b7e75e013746d8ee2554e01fbf014cf3e3cb5782766baa86cc6b53b"`
[INFO] [stdout] a71ad37e5b7e75e013746d8ee2554e01fbf014cf3e3cb5782766baa86cc6b53b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mlipke/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c5700407093315778102e4012d69c944ae5a110cd079d42a5d72930b11c2ad4d
[INFO] running `"docker" "start" "-a" "c5700407093315778102e4012d69c944ae5a110cd079d42a5d72930b11c2ad4d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pong-3aa1894eed3094fe
[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" "c5700407093315778102e4012d69c944ae5a110cd079d42a5d72930b11c2ad4d"`
[INFO] running `"docker" "rm" "-f" "c5700407093315778102e4012d69c944ae5a110cd079d42a5d72930b11c2ad4d"`
[INFO] [stdout] c5700407093315778102e4012d69c944ae5a110cd079d42a5d72930b11c2ad4d