[INFO] updating cached repository rsstdd/Rust_Strat_Game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rsstdd/Rust_Strat_Game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rsstdd/Rust_Strat_Game" "work/ex/beta-1.37-6/sources/1.36.0/gh/rsstdd/Rust_Strat_Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/rsstdd/Rust_Strat_Game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rsstdd/Rust_Strat_Game" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rsstdd/Rust_Strat_Game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rsstdd/Rust_Strat_Game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 222232efbf56d081684a0e6d486e197cb2d65b34
[INFO] sha for GitHub repo rsstdd/Rust_Strat_Game: 222232efbf56d081684a0e6d486e197cb2d65b34
[INFO] validating manifest of rsstdd/Rust_Strat_Game 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 rsstdd/Rust_Strat_Game 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 rsstdd/Rust_Strat_Game
[INFO] finished frobbing rsstdd/Rust_Strat_Game
[INFO] frobbed toml for rsstdd/Rust_Strat_Game written to work/ex/beta-1.37-6/sources/1.36.0/gh/rsstdd/Rust_Strat_Game/Cargo.toml
[INFO] started frobbing rsstdd/Rust_Strat_Game
[INFO] finished frobbing rsstdd/Rust_Strat_Game
[INFO] frobbed toml for rsstdd/Rust_Strat_Game written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/rsstdd/Rust_Strat_Game/Cargo.toml
[INFO] crate rsstdd/Rust_Strat_Game 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 rsstdd/Rust_Strat_Game 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rsstdd/Rust_Strat_Game:/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] 3af40063fc449fd170040177d64130f3f4b8986e014a7dd50fb9ae020c686bdd
[INFO] running `"docker" "start" "-a" "3af40063fc449fd170040177d64130f3f4b8986e014a7dd50fb9ae020c686bdd"`
[INFO] [stderr]    Compiling strat-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `Square`
[INFO] [stderr]   --> src/main.rs:43:1
[INFO] [stderr]    |
[INFO] [stderr] 43 | struct Square {
[INFO] [stderr]    | ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Grid`
[INFO] [stderr]   --> src/main.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | struct Grid {
[INFO] [stderr]    | ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_empty`
[INFO] [stderr]   --> src/main.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn generate_empty(size_x: usize, size_y: usize) -> Grid { // returns a grid
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "3af40063fc449fd170040177d64130f3f4b8986e014a7dd50fb9ae020c686bdd"`
[INFO] running `"docker" "rm" "-f" "3af40063fc449fd170040177d64130f3f4b8986e014a7dd50fb9ae020c686bdd"`
[INFO] [stdout] 3af40063fc449fd170040177d64130f3f4b8986e014a7dd50fb9ae020c686bdd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rsstdd/Rust_Strat_Game:/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] 5afb94ab586c7d7815be3d2966b701ef63925ba48b09c5b8e8c5fcfe44ba1764
[INFO] running `"docker" "start" "-a" "5afb94ab586c7d7815be3d2966b701ef63925ba48b09c5b8e8c5fcfe44ba1764"`
[INFO] [stderr]    Compiling strat-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "5afb94ab586c7d7815be3d2966b701ef63925ba48b09c5b8e8c5fcfe44ba1764"`
[INFO] running `"docker" "rm" "-f" "5afb94ab586c7d7815be3d2966b701ef63925ba48b09c5b8e8c5fcfe44ba1764"`
[INFO] [stdout] 5afb94ab586c7d7815be3d2966b701ef63925ba48b09c5b8e8c5fcfe44ba1764
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/rsstdd/Rust_Strat_Game:/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] 94142bf7164a5d1c4d04bb5ade7a6c3cf2b3a49bab1d158c5d5f4702339066d3
[INFO] running `"docker" "start" "-a" "94142bf7164a5d1c4d04bb5ade7a6c3cf2b3a49bab1d158c5d5f4702339066d3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/strat_game-5ed4f1cdafc32353
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_empty_grid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "94142bf7164a5d1c4d04bb5ade7a6c3cf2b3a49bab1d158c5d5f4702339066d3"`
[INFO] running `"docker" "rm" "-f" "94142bf7164a5d1c4d04bb5ade7a6c3cf2b3a49bab1d158c5d5f4702339066d3"`
[INFO] [stdout] 94142bf7164a5d1c4d04bb5ade7a6c3cf2b3a49bab1d158c5d5f4702339066d3