[INFO] updating cached repository stephen-swensen/tetris-rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stephen-swensen/tetris-rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stephen-swensen/tetris-rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/stephen-swensen/tetris-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/stephen-swensen/tetris-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stephen-swensen/tetris-rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stephen-swensen/tetris-rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stephen-swensen/tetris-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cc23ef2dab62aafb4478785461ed26a3100c3fd0
[INFO] sha for GitHub repo stephen-swensen/tetris-rust: cc23ef2dab62aafb4478785461ed26a3100c3fd0
[INFO] validating manifest of stephen-swensen/tetris-rust 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 stephen-swensen/tetris-rust 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 stephen-swensen/tetris-rust
[INFO] finished frobbing stephen-swensen/tetris-rust
[INFO] frobbed toml for stephen-swensen/tetris-rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/stephen-swensen/tetris-rust/Cargo.toml
[INFO] started frobbing stephen-swensen/tetris-rust
[INFO] finished frobbing stephen-swensen/tetris-rust
[INFO] frobbed toml for stephen-swensen/tetris-rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stephen-swensen/tetris-rust/Cargo.toml
[INFO] crate stephen-swensen/tetris-rust 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 stephen-swensen/tetris-rust against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stephen-swensen/tetris-rust:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 95f86a9bce7a0636a33778dba1aaddba0acc9658911e1f7adf97c356dff9db44
[INFO] running `"docker" "start" "-a" "95f86a9bce7a0636a33778dba1aaddba0acc9658911e1f7adf97c356dff9db44"`
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling sdl2 v0.32.1
[INFO] [stderr]    Compiling tetris-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Canvas`
[INFO] [stderr]  --> src/main.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sdl2::render::{Canvas, Texture, TextureCreator};
[INFO] [stderr]   |                    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.19s
[INFO] running `"docker" "inspect" "95f86a9bce7a0636a33778dba1aaddba0acc9658911e1f7adf97c356dff9db44"`
[INFO] running `"docker" "rm" "-f" "95f86a9bce7a0636a33778dba1aaddba0acc9658911e1f7adf97c356dff9db44"`
[INFO] [stdout] 95f86a9bce7a0636a33778dba1aaddba0acc9658911e1f7adf97c356dff9db44
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stephen-swensen/tetris-rust:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] c1ae400d86067d7fbdd155ac6263482dc48465eb966df2c83c1a75150e75db9f
[INFO] running `"docker" "start" "-a" "c1ae400d86067d7fbdd155ac6263482dc48465eb966df2c83c1a75150e75db9f"`
[INFO] [stderr]    Compiling tetris-rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Canvas`
[INFO] [stderr]  --> src/main.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sdl2::render::{Canvas, Texture, TextureCreator};
[INFO] [stderr]   |                    ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "c1ae400d86067d7fbdd155ac6263482dc48465eb966df2c83c1a75150e75db9f"`
[INFO] running `"docker" "rm" "-f" "c1ae400d86067d7fbdd155ac6263482dc48465eb966df2c83c1a75150e75db9f"`
[INFO] [stdout] c1ae400d86067d7fbdd155ac6263482dc48465eb966df2c83c1a75150e75db9f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/stephen-swensen/tetris-rust:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 51197f60fec90f6b864f78bc6fa45b6b65ee43dd729a13c2f92c65121c65f2f6
[INFO] running `"docker" "start" "-a" "51197f60fec90f6b864f78bc6fa45b6b65ee43dd729a13c2f92c65121c65f2f6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetris_rust-6cc4897af3ca4d7c
[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" "51197f60fec90f6b864f78bc6fa45b6b65ee43dd729a13c2f92c65121c65f2f6"`
[INFO] running `"docker" "rm" "-f" "51197f60fec90f6b864f78bc6fa45b6b65ee43dd729a13c2f92c65121c65f2f6"`
[INFO] [stdout] 51197f60fec90f6b864f78bc6fa45b6b65ee43dd729a13c2f92c65121c65f2f6