[INFO] updating cached repository adzy2k6/rust-boy
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adzy2k6/rust-boy
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adzy2k6/rust-boy" "work/ex/beta-1.37-6/sources/1.36.0/gh/adzy2k6/rust-boy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/adzy2k6/rust-boy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adzy2k6/rust-boy" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adzy2k6/rust-boy"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adzy2k6/rust-boy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4c8baa0de6d2e5115e04d813823888b4b28b263a
[INFO] sha for GitHub repo adzy2k6/rust-boy: 4c8baa0de6d2e5115e04d813823888b4b28b263a
[INFO] validating manifest of adzy2k6/rust-boy 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 adzy2k6/rust-boy 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 adzy2k6/rust-boy
[INFO] finished frobbing adzy2k6/rust-boy
[INFO] frobbed toml for adzy2k6/rust-boy written to work/ex/beta-1.37-6/sources/1.36.0/gh/adzy2k6/rust-boy/Cargo.toml
[INFO] started frobbing adzy2k6/rust-boy
[INFO] finished frobbing adzy2k6/rust-boy
[INFO] frobbed toml for adzy2k6/rust-boy written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/adzy2k6/rust-boy/Cargo.toml
[INFO] crate adzy2k6/rust-boy 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing adzy2k6/rust-boy 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/adzy2k6/rust-boy:/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] 651daf28ed3d0b0a0f57edab0eddde0d55f23447aafc26a89af8f23a92a5ad4b
[INFO] running `"docker" "start" "-a" "651daf28ed3d0b0a0f57edab0eddde0d55f23447aafc26a89af8f23a92a5ad4b"`
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]    Compiling sdl2 v0.28.0
[INFO] [stderr]    Compiling rust_boy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let window = window_builder.build().unwrap();
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_window`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.96s
[INFO] running `"docker" "inspect" "651daf28ed3d0b0a0f57edab0eddde0d55f23447aafc26a89af8f23a92a5ad4b"`
[INFO] running `"docker" "rm" "-f" "651daf28ed3d0b0a0f57edab0eddde0d55f23447aafc26a89af8f23a92a5ad4b"`
[INFO] [stdout] 651daf28ed3d0b0a0f57edab0eddde0d55f23447aafc26a89af8f23a92a5ad4b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/adzy2k6/rust-boy:/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] 83c3db5828836e7b4cd2849b6d3786be74a0f27e21e4d1516634c44743bada47
[INFO] running `"docker" "start" "-a" "83c3db5828836e7b4cd2849b6d3786be74a0f27e21e4d1516634c44743bada47"`
[INFO] [stderr]    Compiling rust_boy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `window`
[INFO] [stderr]   --> src/main.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let window = window_builder.build().unwrap();
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_window`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "83c3db5828836e7b4cd2849b6d3786be74a0f27e21e4d1516634c44743bada47"`
[INFO] running `"docker" "rm" "-f" "83c3db5828836e7b4cd2849b6d3786be74a0f27e21e4d1516634c44743bada47"`
[INFO] [stdout] 83c3db5828836e7b4cd2849b6d3786be74a0f27e21e4d1516634c44743bada47
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/adzy2k6/rust-boy:/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] 12d337bbbdca25bb59b3d8da078f079815d4a64de9a03d438eb537aaf4b4cd1a
[INFO] running `"docker" "start" "-a" "12d337bbbdca25bb59b3d8da078f079815d4a64de9a03d438eb537aaf4b4cd1a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_boy-5d489100cf247ab5
[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" "12d337bbbdca25bb59b3d8da078f079815d4a64de9a03d438eb537aaf4b4cd1a"`
[INFO] running `"docker" "rm" "-f" "12d337bbbdca25bb59b3d8da078f079815d4a64de9a03d438eb537aaf4b4cd1a"`
[INFO] [stdout] 12d337bbbdca25bb59b3d8da078f079815d4a64de9a03d438eb537aaf4b4cd1a