[INFO] updating cached repository https://github.com/fabianvdW/ChessInRust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 35836b0ed58aa57a6a63cf847bf56017b5a8f6d1
[INFO] checking fabianvdW/ChessInRust against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FfabianvdW%2FChessInRust" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  87% (108/123)   
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[INFO] validating manifest of git repo https://github.com/fabianvdW/ChessInRust on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fabianvdW/ChessInRust
[INFO] finished tweaking git repo https://github.com/fabianvdW/ChessInRust
[INFO] tweaked toml for git repo https://github.com/fabianvdW/ChessInRust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/fabianvdW/ChessInRust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5b425e29718123eb9cb29a01888abd8c770eaec01123433acd303805f84961eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "5b425e29718123eb9cb29a01888abd8c770eaec01123433acd303805f84961eb"`
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking serde v1.0.94
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking FabChess v1.14.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/evaluation/mod.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |             (psqt_w - psqt_b)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/evaluation/mod.rs:156:13
[INFO] [stderr]     |
[INFO] [stderr] 156 |             (psqt_w - psqt_b)
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/move_generation/magic.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 | /     (((RANKS[square / 8] & !(FILES[0] | FILES[7])) | (FILES[square % 8] & !(RANKS[0] | RANKS[7])))
[INFO] [stderr] 216 | |         & NOT_SQUARES[square])
[INFO] [stderr]     | |______________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 215 |     ((RANKS[square / 8] & !(FILES[0] | FILES[7])) | (FILES[square % 8] & !(RANKS[0] | RANKS[7])))
[INFO] [stderr] 216 |         & NOT_SQUARES[square]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/move_generation/magic.rs:215:5
[INFO] [stderr]     |
[INFO] [stderr] 215 | /     (((RANKS[square / 8] & !(FILES[0] | FILES[7])) | (FILES[square % 8] & !(RANKS[0] | RANKS[7])))
[INFO] [stderr] 216 | |         & NOT_SQUARES[square])
[INFO] [stderr]     | |______________________________^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 215 |     ((RANKS[square / 8] & !(FILES[0] | FILES[7])) | (FILES[square % 8] & !(RANKS[0] | RANKS[7])))
[INFO] [stderr] 216 |         & NOT_SQUARES[square]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OPTIMIZE_K`
[INFO] [stderr]   --> src/tuning/tuning.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | const OPTIMIZE_K: bool = false;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `OPTIMIZE_K`
[INFO] [stderr]   --> src/tuning/tuning.rs:41:1
[INFO] [stderr]    |
[INFO] [stderr] 41 | const OPTIMIZE_K: bool = false;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.37s
[INFO] running `"docker" "inspect" "5b425e29718123eb9cb29a01888abd8c770eaec01123433acd303805f84961eb"`
[INFO] running `"docker" "rm" "-f" "5b425e29718123eb9cb29a01888abd8c770eaec01123433acd303805f84961eb"`
[INFO] [stdout] 5b425e29718123eb9cb29a01888abd8c770eaec01123433acd303805f84961eb