[INFO] cloning repository https://github.com/codeandkey/nc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codeandkey/nc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeandkey%2Fnc-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeandkey%2Fnc-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0ec001a85af1d79a9b6ecd1987c1099b46ea04b
[INFO] checking codeandkey/nc-rs against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodeandkey%2Fnc-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codeandkey/nc-rs on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codeandkey/nc-rs
[INFO] finished tweaking git repo https://github.com/codeandkey/nc-rs
[INFO] tweaked toml for git repo https://github.com/codeandkey/nc-rs written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/codeandkey/nc-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arr_macro v0.1.3
[INFO] [stderr]   Downloaded arr_macro_impl v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4d7ea5e61cea27d3231555f87a4d55396a3c3d60779a5907204fb791f15f6c9
[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" "e4d7ea5e61cea27d3231555f87a4d55396a3c3d60779a5907204fb791f15f6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4d7ea5e61cea27d3231555f87a4d55396a3c3d60779a5907204fb791f15f6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d7ea5e61cea27d3231555f87a4d55396a3c3d60779a5907204fb791f15f6c9", kill_on_drop: false }`
[INFO] [stdout] e4d7ea5e61cea27d3231555f87a4d55396a3c3d60779a5907204fb791f15f6c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f4a854ba6e61d3a37dbb132a9813c52038ce00bfbbe02aed85cad0bcba6eed2
[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" "5f4a854ba6e61d3a37dbb132a9813c52038ce00bfbbe02aed85cad0bcba6eed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking atty v0.2.14
[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 regex v1.4.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling arr_macro_impl v0.1.3
[INFO] [stderr]     Checking arr_macro v0.1.3
[INFO] [stderr]     Checking nc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::zobrist::*`
[INFO] [stdout]  --> src/position.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::zobrist::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::zobrist::*`
[INFO] [stdout]  --> src/position.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::zobrist::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RANKS`
[INFO] [stdout]   --> src/bitboard.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / pub const RANKS: [u64; 8] = [
[INFO] [stdout] 4  | |     0x00000000000000FF,
[INFO] [stdout] 5  | |     0x00000000000000FF << 8,
[INFO] [stdout] 6  | |     0x00000000000000FF << 16,
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     0x00000000000000FF << 56,
[INFO] [stdout] 12 | | ];
[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: `remove`
[INFO] [stdout]   --> src/board.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn remove(&mut self, s: Square) -> Piece {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `key`
[INFO] [stdout]   --> src/board.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |     pub fn key(&self) -> u64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_ad`
[INFO] [stdout]    --> src/board.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn get_ad(&self) -> [[u64; 64]; 2] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_fen_string`
[INFO] [stdout]    --> src/board.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn to_fen_string(&self) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_uci_withnull`
[INFO] [stdout]   --> src/gmove.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn to_uci_withnull(inp: &Option<Move>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_uci`
[INFO] [stdout]   --> src/gmove.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 |     pub fn from_uci(inp: &String) -> Option<Move> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `src`
[INFO] [stdout]   --> src/gmove.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn src(&self) -> Square {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dst`
[INFO] [stdout]   --> src/gmove.rs:75:12
[INFO] [stdout]    |
[INFO] [stdout] 75 |     pub fn dst(&self) -> Square {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ptype`
[INFO] [stdout]   --> src/gmove.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn ptype(&self) -> Option<Type> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_fen`
[INFO] [stdout]   --> src/piece.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from`
[INFO] [stdout]   --> src/piece.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn from(t: Type, c: Color) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_fen`
[INFO] [stdout]   --> src/piece.rs:80:12
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn to_fen(&self) -> char {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `captured`
[INFO] [stdout]   --> src/position.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     captured: Option<Piece>,   /* Piece captured */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ad`
[INFO] [stdout]   --> src/position.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ad: [[u32; 64]; 2],        /* A/D maps */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fm_number`
[INFO] [stdout]   --> src/position.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fm_number: u32,            /* Move number */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hm_clock`
[INFO] [stdout]   --> src/position.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     hm_clock: u32,             /* Halfmove clock */
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `castling`
[INFO] [stdout]   --> src/position.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     castling: [[bool; 2]; 2],  /* Castling rights */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_move`
[INFO] [stdout]   --> src/position.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     last_move: Option<Move>,   /* Last move */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_fen`
[INFO] [stdout]    --> src/position.rs:181:12
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn to_fen(&self) -> String {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]  --> src/square.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Direction {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_str_withnull`
[INFO] [stdout]   --> src/square.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pub fn to_str_withnull(inp: &Option<Square>) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rank`
[INFO] [stdout]   --> src/square.rs:82:12
[INFO] [stdout]    |
[INFO] [stdout] 82 |     pub fn rank(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `file`
[INFO] [stdout]   --> src/square.rs:86:12
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn file(&self) -> usize {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `RANKS`
[INFO] [stdout]   --> src/bitboard.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / pub const RANKS: [u64; 8] = [
[INFO] [stdout] 4  | |     0x00000000000000FF,
[INFO] [stdout] 5  | |     0x00000000000000FF << 8,
[INFO] [stdout] 6  | |     0x00000000000000FF << 16,
[INFO] [stdout] ...  |
[INFO] [stdout] 11 | |     0x00000000000000FF << 56,
[INFO] [stdout] 12 | | ];
[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: `get_ad`
[INFO] [stdout]    --> src/board.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn get_ad(&self) -> [[u64; 64]; 2] {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `captured`
[INFO] [stdout]   --> src/position.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     captured: Option<Piece>,   /* Piece captured */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ad`
[INFO] [stdout]   --> src/position.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     ad: [[u32; 64]; 2],        /* A/D maps */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_move`
[INFO] [stdout]   --> src/position.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     last_move: Option<Move>,   /* Last move */
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Direction`
[INFO] [stdout]  --> src/square.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum Direction {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.78s
[INFO] running `Command { std: "docker" "inspect" "5f4a854ba6e61d3a37dbb132a9813c52038ce00bfbbe02aed85cad0bcba6eed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4a854ba6e61d3a37dbb132a9813c52038ce00bfbbe02aed85cad0bcba6eed2", kill_on_drop: false }`
[INFO] [stdout] 5f4a854ba6e61d3a37dbb132a9813c52038ce00bfbbe02aed85cad0bcba6eed2