[INFO] updating cached repository jheek/rust-chess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jheek/rust-chess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jheek/rust-chess" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/jheek/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/jheek/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jheek/rust-chess" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/jheek/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/jheek/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6b90731901e304cef1d83c16184b66168358cde7
[INFO] sha for GitHub repo jheek/rust-chess: 6b90731901e304cef1d83c16184b66168358cde7
[INFO] validating manifest of jheek/rust-chess on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jheek/rust-chess on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jheek/rust-chess
[INFO] finished frobbing jheek/rust-chess
[INFO] frobbed toml for jheek/rust-chess written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/jheek/rust-chess/Cargo.toml
[INFO] started frobbing jheek/rust-chess
[INFO] finished frobbing jheek/rust-chess
[INFO] frobbed toml for jheek/rust-chess written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/jheek/rust-chess/Cargo.toml
[INFO] crate jheek/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jheek/rust-chess against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-0/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/jheek/rust-chess:/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=forbid" "-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" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 40640c5de8a42b4f592db76c9aebe9e10b11614130ae61ac12e3aea20c95983b
[INFO] running `"docker" "start" "-a" "40640c5de8a42b4f592db76c9aebe9e10b11614130ae61ac12e3aea20c95983b"`
[INFO] [stderr]    Compiling chess v1.0.4
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking ws v0.7.8
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking rust_chess v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> src/minmax.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]  --> src/minmax.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `piece_captureable_score`
[INFO] [stderr]   --> src/eval.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn piece_captureable_score(piece: Piece) -> Score {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `movability_score`
[INFO] [stderr]    --> src/eval.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn movability_score(board: &Board, moves: &[ChessMove]) -> Score {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `aspiration_search`
[INFO] [stderr]    --> src/minmax.rs:150:1
[INFO] [stderr]     |
[INFO] [stderr] 150 | / fn aspiration_search<F>(callback: &mut F, ttable: &TTable, board: &Board, entry_op: &Option<TEntry>, moves: &[ChessMove], depth: i32, guess: Score) -> Option<ABResult>
[INFO] [stderr] 151 | |     where F: FnMut() -> bool{
[INFO] [stderr] 152 | |     let mut margin = 5;
[INFO] [stderr] 153 | |     let mut lower_bound = guess - margin;
[INFO] [stderr] ...   |
[INFO] [stderr] 172 | |     }
[INFO] [stderr] 173 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `piece_captureable_score`
[INFO] [stderr]   --> src/eval.rs:91:1
[INFO] [stderr]    |
[INFO] [stderr] 91 | fn piece_captureable_score(piece: Piece) -> Score {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `movability_score`
[INFO] [stderr]    --> src/eval.rs:136:1
[INFO] [stderr]     |
[INFO] [stderr] 136 | fn movability_score(board: &Board, moves: &[ChessMove]) -> Score {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `aspiration_search`
[INFO] [stderr]    --> src/minmax.rs:150:1
[INFO] [stderr]     |
[INFO] [stderr] 150 | / fn aspiration_search<F>(callback: &mut F, ttable: &TTable, board: &Board, entry_op: &Option<TEntry>, moves: &[ChessMove], depth: i32, guess: Score) -> Option<ABResult>
[INFO] [stderr] 151 | |     where F: FnMut() -> bool{
[INFO] [stderr] 152 | |     let mut margin = 5;
[INFO] [stderr] 153 | |     let mut lower_bound = guess - margin;
[INFO] [stderr] ...   |
[INFO] [stderr] 172 | |     }
[INFO] [stderr] 173 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 50s
[INFO] running `"docker" "inspect" "40640c5de8a42b4f592db76c9aebe9e10b11614130ae61ac12e3aea20c95983b"`
[INFO] running `"docker" "rm" "-f" "40640c5de8a42b4f592db76c9aebe9e10b11614130ae61ac12e3aea20c95983b"`
[INFO] [stdout] 40640c5de8a42b4f592db76c9aebe9e10b11614130ae61ac12e3aea20c95983b