[INFO] updating cached repository tubo28/reversi
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tubo28/reversi
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tubo28/reversi" "work/ex/beta-1.37-6/sources/1.36.0/gh/tubo28/reversi"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/tubo28/reversi'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tubo28/reversi" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tubo28/reversi"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tubo28/reversi'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d4f9131cf0c9c3b291dd706cf226224e5c5ee05b
[INFO] sha for GitHub repo tubo28/reversi: d4f9131cf0c9c3b291dd706cf226224e5c5ee05b
[INFO] validating manifest of tubo28/reversi 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 tubo28/reversi 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 tubo28/reversi
[INFO] finished frobbing tubo28/reversi
[INFO] frobbed toml for tubo28/reversi written to work/ex/beta-1.37-6/sources/1.36.0/gh/tubo28/reversi/Cargo.toml
[INFO] started frobbing tubo28/reversi
[INFO] finished frobbing tubo28/reversi
[INFO] frobbed toml for tubo28/reversi written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/tubo28/reversi/Cargo.toml
[INFO] crate tubo28/reversi 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 tubo28/reversi 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-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tubo28/reversi:/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] 7edd5cf7820cda7ac4f4e939a0e9049dc6a7696ad782c8ebb12b23b16524068c
[INFO] running `"docker" "start" "-a" "7edd5cf7820cda7ac4f4e939a0e9049dc6a7696ad782c8ebb12b23b16524068c"`
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `HumanPlayer`
[INFO] [stderr]    --> src/reversi.rs:476:1
[INFO] [stderr]     |
[INFO] [stderr] 476 | pub struct HumanPlayer;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/reversi.rs:479:5
[INFO] [stderr]     |
[INFO] [stderr] 479 |     pub fn new() -> HumanPlayer {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `"docker" "inspect" "7edd5cf7820cda7ac4f4e939a0e9049dc6a7696ad782c8ebb12b23b16524068c"`
[INFO] running `"docker" "rm" "-f" "7edd5cf7820cda7ac4f4e939a0e9049dc6a7696ad782c8ebb12b23b16524068c"`
[INFO] [stdout] 7edd5cf7820cda7ac4f4e939a0e9049dc6a7696ad782c8ebb12b23b16524068c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tubo28/reversi:/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] 1de431f1cf41f2452cf4501e16c141b480922550862dbf769634384dacef3f98
[INFO] running `"docker" "start" "-a" "1de431f1cf41f2452cf4501e16c141b480922550862dbf769634384dacef3f98"`
[INFO] [stderr]    Compiling reversi v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: struct is never constructed: `HumanPlayer`
[INFO] [stderr]    --> src/reversi.rs:476:1
[INFO] [stderr]     |
[INFO] [stderr] 476 | pub struct HumanPlayer;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/reversi.rs:479:5
[INFO] [stderr]     |
[INFO] [stderr] 479 |     pub fn new() -> HumanPlayer {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `"docker" "inspect" "1de431f1cf41f2452cf4501e16c141b480922550862dbf769634384dacef3f98"`
[INFO] running `"docker" "rm" "-f" "1de431f1cf41f2452cf4501e16c141b480922550862dbf769634384dacef3f98"`
[INFO] [stdout] 1de431f1cf41f2452cf4501e16c141b480922550862dbf769634384dacef3f98
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/tubo28/reversi:/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] 0ac9f519f03ea2aa89226df6c07d652b5d720567e5ab97bcf0d8259c26cce00f
[INFO] running `"docker" "start" "-a" "0ac9f519f03ea2aa89226df6c07d652b5d720567e5ab97bcf0d8259c26cce00f"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-42ffd8697223d51e
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/stat-b0078c60ac91dcb1
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "0ac9f519f03ea2aa89226df6c07d652b5d720567e5ab97bcf0d8259c26cce00f"`
[INFO] running `"docker" "rm" "-f" "0ac9f519f03ea2aa89226df6c07d652b5d720567e5ab97bcf0d8259c26cce00f"`
[INFO] [stdout] 0ac9f519f03ea2aa89226df6c07d652b5d720567e5ab97bcf0d8259c26cce00f