[INFO] fetching crate chess-move-gen 0.8.0...
[INFO] checking chess-move-gen-0.8.0 against master#c9228570668803e3e6402770d55f23a12c9ae686 for pr-79472
[INFO] extracting crate chess-move-gen 0.8.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate chess-move-gen 0.8.0 on toolchain c9228570668803e3e6402770d55f23a12c9ae686
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chess-move-gen 0.8.0
[INFO] finished tweaking crates.io crate chess-move-gen 0.8.0
[INFO] tweaked toml for crates.io crate chess-move-gen 0.8.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate chess-move-gen 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0009b7c40bf683128ce0db8a792389c70c8901a0da06a03259dbd4e3cf672794
[INFO] running `Command { std: "docker" "start" "-a" "0009b7c40bf683128ce0db8a792389c70c8901a0da06a03259dbd4e3cf672794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0009b7c40bf683128ce0db8a792389c70c8901a0da06a03259dbd4e3cf672794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0009b7c40bf683128ce0db8a792389c70c8901a0da06a03259dbd4e3cf672794", kill_on_drop: false }`
[INFO] [stdout] 0009b7c40bf683128ce0db8a792389c70c8901a0da06a03259dbd4e3cf672794
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c9228570668803e3e6402770d55f23a12c9ae686" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c872a605395e97df64f54d42104e6682525e02e6568f5ca3c022079675a4e3f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c872a605395e97df64f54d42104e6682525e02e6568f5ca3c022079675a4e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling packed_simd_2 v0.3.4
[INFO] [stderr]     Checking unindent v0.1.7
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chess-move-gen v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/gen/slider/ray_hyperbola.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     (diag_attacks | anti_diag_attacks)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/gen/slider/ray_hyperbola.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     (diag_attacks | anti_diag_attacks)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loud_legal_moves`
[INFO] [stdout]   --> src/gen/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn loud_legal_moves<L: MoveList>(position: &Position, list: &mut L) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/gen/slider/ray_hyperbola.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     (diag_attacks | anti_diag_attacks)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/gen/slider/ray_hyperbola.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     (diag_attacks | anti_diag_attacks)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key`
[INFO] [stdout]   --> src/board.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn key(&self) -> u64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `make`
[INFO] [stdout]   --> src/board.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn make(&mut self, mv: Move) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `unmake`
[INFO] [stdout]   --> src/board.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn unmake(&mut self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `loud_legal_moves`
[INFO] [stdout]   --> src/gen/mod.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn loud_legal_moves<L: MoveList>(position: &Position, list: &mut L) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mv_list/best_mv_tracker.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub fn new(
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `best`
[INFO] [stdout]   --> src/mv_list/best_mv_tracker.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn best(&self) -> MoveScore {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score`
[INFO] [stdout]   --> src/mv_list/best_mv_tracker.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn score(&self) -> i16 {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mv`
[INFO] [stdout]   --> src/mv_list/best_mv_tracker.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn mv(&self) -> Move {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mv_list/piece_square_table.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |   pub fn new(piece_square_values: [[i16; 64]; 6]) -> PieceSquareTable {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/mv_list/scored_mv_list.rs:183:12
[INFO] [stdout]     |
[INFO] [stdout] 183 |     pub fn new(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `best_move`
[INFO] [stdout]    --> src/mv_list/scored_mv_list.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn best_move(&self) -> Option<&MoveScore> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CHECK_MATE_SCORE`
[INFO] [stdout]   --> src/mv_list/mod.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const CHECK_MATE_SCORE: i16 = std::i16::MAX / 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `perft_detailed`
[INFO] [stdout]    --> src/perft.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub fn perft_detailed(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `perft_detailed_inner`
[INFO] [stdout]    --> src/perft.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | pub fn perft_detailed_inner(position: &mut Position, depth: usize) -> MoveCounter {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/mv_list/best_mv_tracker.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |   pub fn new(
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `best`
[INFO] [stdout]   --> src/mv_list/best_mv_tracker.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 |   pub fn best(&self) -> MoveScore {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `score`
[INFO] [stdout]   --> src/mv_list/best_mv_tracker.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn score(&self) -> i16 {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `mv`
[INFO] [stdout]   --> src/mv_list/best_mv_tracker.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 |   pub fn mv(&self) -> Move {
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `best_move`
[INFO] [stdout]    --> src/mv_list/scored_mv_list.rs:196:12
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn best_move(&self) -> Option<&MoveScore> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `CHECK_MATE_SCORE`
[INFO] [stdout]   --> src/mv_list/mod.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const CHECK_MATE_SCORE: i16 = std::i16::MAX / 2;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 41.75s
[INFO] running `Command { std: "docker" "inspect" "3c872a605395e97df64f54d42104e6682525e02e6568f5ca3c022079675a4e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c872a605395e97df64f54d42104e6682525e02e6568f5ca3c022079675a4e3f", kill_on_drop: false }`
[INFO] [stdout] 3c872a605395e97df64f54d42104e6682525e02e6568f5ca3c022079675a4e3f