[INFO] updating cached repository ekarademir/rust-learning-chess-term
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ekarademir/rust-learning-chess-term
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ekarademir/rust-learning-chess-term" "work/ex/beta-1.38-1/sources/1.37.0/gh/ekarademir/rust-learning-chess-term"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ekarademir/rust-learning-chess-term'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ekarademir/rust-learning-chess-term" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ekarademir/rust-learning-chess-term"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ekarademir/rust-learning-chess-term'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f17571e160bdb5fce6396e6d142396fa10befe2
[INFO] sha for GitHub repo ekarademir/rust-learning-chess-term: 2f17571e160bdb5fce6396e6d142396fa10befe2
[INFO] validating manifest of ekarademir/rust-learning-chess-term on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ekarademir/rust-learning-chess-term on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ekarademir/rust-learning-chess-term
[INFO] finished frobbing ekarademir/rust-learning-chess-term
[INFO] frobbed toml for ekarademir/rust-learning-chess-term written to work/ex/beta-1.38-1/sources/1.37.0/gh/ekarademir/rust-learning-chess-term/Cargo.toml
[INFO] started frobbing ekarademir/rust-learning-chess-term
[INFO] finished frobbing ekarademir/rust-learning-chess-term
[INFO] frobbed toml for ekarademir/rust-learning-chess-term written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ekarademir/rust-learning-chess-term/Cargo.toml
[INFO] crate ekarademir/rust-learning-chess-term already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ekarademir/rust-learning-chess-term against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ekarademir/rust-learning-chess-term:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 2e4bc1eb8acc6d5fe9a5e437440b45b9ac12e98d99700edb137885a6b94fe6c4
[INFO] running `"docker" "start" "-a" "2e4bc1eb8acc6d5fe9a5e437440b45b9ac12e98d99700edb137885a6b94fe6c4"`
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termion v1.5.2
[INFO] [stderr]    Compiling chess-player v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Takes`
[INFO] [stderr]    --> src/chessboard.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     Takes,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Promoted`
[INFO] [stderr]    --> src/chessboard.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     Promoted,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Castled`
[INFO] [stderr]    --> src/chessboard.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     Castled,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.62s
[INFO] running `"docker" "inspect" "2e4bc1eb8acc6d5fe9a5e437440b45b9ac12e98d99700edb137885a6b94fe6c4"`
[INFO] running `"docker" "rm" "-f" "2e4bc1eb8acc6d5fe9a5e437440b45b9ac12e98d99700edb137885a6b94fe6c4"`
[INFO] [stdout] 2e4bc1eb8acc6d5fe9a5e437440b45b9ac12e98d99700edb137885a6b94fe6c4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ekarademir/rust-learning-chess-term:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 15a5861c1af254745011cf9c6ee26cc26aff8784666f7aa4d2be9f61d4201c5a
[INFO] running `"docker" "start" "-a" "15a5861c1af254745011cf9c6ee26cc26aff8784666f7aa4d2be9f61d4201c5a"`
[INFO] [stderr]    Compiling chess-player v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Takes`
[INFO] [stderr]    --> src/chessboard.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     Takes,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Promoted`
[INFO] [stderr]    --> src/chessboard.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     Promoted,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Castled`
[INFO] [stderr]    --> src/chessboard.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     Castled,
[INFO] [stderr]     |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "15a5861c1af254745011cf9c6ee26cc26aff8784666f7aa4d2be9f61d4201c5a"`
[INFO] running `"docker" "rm" "-f" "15a5861c1af254745011cf9c6ee26cc26aff8784666f7aa4d2be9f61d4201c5a"`
[INFO] [stdout] 15a5861c1af254745011cf9c6ee26cc26aff8784666f7aa4d2be9f61d4201c5a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ekarademir/rust-learning-chess-term:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] e6546bb0237e022acb23b047f785014310ab833c42d71531e3675ac9433f307c
[INFO] running `"docker" "start" "-a" "e6546bb0237e022acb23b047f785014310ab833c42d71531e3675ac9433f307c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chess_player-6d76f3ea01b8c462
[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" "e6546bb0237e022acb23b047f785014310ab833c42d71531e3675ac9433f307c"`
[INFO] running `"docker" "rm" "-f" "e6546bb0237e022acb23b047f785014310ab833c42d71531e3675ac9433f307c"`
[INFO] [stdout] e6546bb0237e022acb23b047f785014310ab833c42d71531e3675ac9433f307c