[INFO] cloning repository https://github.com/ferryale/snowhead
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ferryale/snowhead" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferryale%2Fsnowhead", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferryale%2Fsnowhead'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68c6535dc59426f6adeeafdef477330a8760351d
[INFO] testing ferryale/snowhead against try#bd7d74411512a3dd3b35d2f699c51dd2557c7e7e+cargoflags=-Zbuild-dir-new-layout for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferryale%2Fsnowhead" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ferryale/snowhead
[INFO] finished tweaking git repo https://github.com/ferryale/snowhead
[INFO] tweaked toml for git repo https://github.com/ferryale/snowhead written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ferryale/snowhead on toolchain bd7d74411512a3dd3b35d2f699c51dd2557c7e7e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ferryale/snowhead already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca5472aa0a263fd885790e6fe5273b0d587428762394910e93ca832d899a1673
[INFO] running `Command { std: "docker" "start" "-a" "ca5472aa0a263fd885790e6fe5273b0d587428762394910e93ca832d899a1673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca5472aa0a263fd885790e6fe5273b0d587428762394910e93ca832d899a1673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5472aa0a263fd885790e6fe5273b0d587428762394910e93ca832d899a1673", kill_on_drop: false }`
[INFO] [stdout] ca5472aa0a263fd885790e6fe5273b0d587428762394910e93ca832d899a1673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "build" "--frozen" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] e60ca501fae39e64a47b3c8b8b10422cb191e1b315d76ba30878a2e510fb2288
[INFO] running `Command { std: "docker" "start" "-a" "e60ca501fae39e64a47b3c8b8b10422cb191e1b315d76ba30878a2e510fb2288", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowhead v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `enable_indexing_by`
[INFO] [stdout]    --> src/types.rs:354:16
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub(crate) use enable_indexing_by;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BLACK` and `WHITE`
[INFO] [stdout]  --> src/search.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::piece::{WHITE, BLACK, PIECE_NB, Color};
[INFO] [stdout]   |                           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TTFlag` and `TranspositionTable`
[INFO] [stdout]  --> src/uci.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::tt::{TranspositionTable, TTFlag};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::r#move::Move`
[INFO] [stdout]  --> src/tune.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::r#move::Move;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::position::Position`
[INFO] [stdout]  --> src/tune.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::position::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]    --> src/search.rs:209:23
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut ret = String::new();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nps` is assigned to, but never used
[INFO] [stdout]    --> src/search.rs:326:13
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let mut nps;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_nps` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nps` is never read
[INFO] [stdout]    --> src/search.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             nps = std::cmp::max(self.nps(), 1_000_000);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `red` is never read
[INFO] [stdout]    --> src/search.rs:434:19
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut red = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fen` is assigned to, but never used
[INFO] [stdout]   --> src/tune.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let fen: &str;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_fen` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         fen = (&args[3..params]).trim();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         fen = START_FEN;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_root_moves` is never used
[INFO] [stdout]    --> src/search.rs:300:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Thread {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 300 |     fn print_root_moves(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key16` is never read
[INFO] [stdout]   --> src/tt.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TTEntry{
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     key16: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TTEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snowhead::types::score::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use snowhead::types::score::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snowhead::tune`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use snowhead::tune;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snowhead::psqt`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use snowhead::psqt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "e60ca501fae39e64a47b3c8b8b10422cb191e1b315d76ba30878a2e510fb2288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e60ca501fae39e64a47b3c8b8b10422cb191e1b315d76ba30878a2e510fb2288", kill_on_drop: false }`
[INFO] [stdout] e60ca501fae39e64a47b3c8b8b10422cb191e1b315d76ba30878a2e510fb2288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "--no-run" "--message-format=json" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] 29c9769a9688fe8c07229706fece7ef3a5b6683c94169957711fcfd83e261d9a
[INFO] running `Command { std: "docker" "start" "-a" "29c9769a9688fe8c07229706fece7ef3a5b6683c94169957711fcfd83e261d9a", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `enable_indexing_by`
[INFO] [stdout]    --> src/types.rs:354:16
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub(crate) use enable_indexing_by;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BLACK` and `WHITE`
[INFO] [stdout]  --> src/search.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::piece::{WHITE, BLACK, PIECE_NB, Color};
[INFO] [stdout]   |                           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TTFlag` and `TranspositionTable`
[INFO] [stdout]  --> src/uci.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::tt::{TranspositionTable, TTFlag};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::r#move::Move`
[INFO] [stdout]  --> src/tune.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::r#move::Move;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::position::Position`
[INFO] [stdout]  --> src/tune.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::position::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]    --> src/search.rs:209:23
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut ret = String::new();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nps` is assigned to, but never used
[INFO] [stdout]    --> src/search.rs:326:13
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let mut nps;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_nps` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nps` is never read
[INFO] [stdout]    --> src/search.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             nps = std::cmp::max(self.nps(), 1_000_000);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `red` is never read
[INFO] [stdout]    --> src/search.rs:434:19
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut red = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fen` is assigned to, but never used
[INFO] [stdout]   --> src/tune.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let fen: &str;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_fen` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         fen = (&args[3..params]).trim();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         fen = START_FEN;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_root_moves` is never used
[INFO] [stdout]    --> src/search.rs:300:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Thread {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 300 |     fn print_root_moves(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling snowhead v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `key16` is never read
[INFO] [stdout]   --> src/tt.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TTEntry{
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     key16: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TTEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snowhead::types::score::*`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use snowhead::types::score::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snowhead::tune`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use snowhead::tune;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `snowhead::psqt`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use snowhead::psqt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `enable_indexing_by`
[INFO] [stdout]    --> src/types.rs:354:16
[INFO] [stdout]     |
[INFO] [stdout] 354 | pub(crate) use enable_indexing_by;
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BLACK` and `WHITE`
[INFO] [stdout]  --> src/search.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::piece::{WHITE, BLACK, PIECE_NB, Color};
[INFO] [stdout]   |                           ^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TTFlag` and `TranspositionTable`
[INFO] [stdout]  --> src/uci.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::tt::{TranspositionTable, TTFlag};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::r#move::Move`
[INFO] [stdout]  --> src/tune.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::r#move::Move;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::position::Position`
[INFO] [stdout]  --> src/tune.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::position::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]    --> src/search.rs:209:23
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut ret = String::new();
[INFO] [stdout]     |                       ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nps` is assigned to, but never used
[INFO] [stdout]    --> src/search.rs:326:13
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let mut nps;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_nps` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nps` is never read
[INFO] [stdout]    --> src/search.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             nps = std::cmp::max(self.nps(), 1_000_000);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `red` is never read
[INFO] [stdout]    --> src/search.rs:434:19
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut red = 0;
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fen` is assigned to, but never used
[INFO] [stdout]   --> src/tune.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let fen: &str;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_fen` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         fen = (&args[3..params]).trim();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         fen = START_FEN;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_root_moves` is never used
[INFO] [stdout]    --> src/search.rs:300:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Thread {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 300 |     fn print_root_moves(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key16` is never read
[INFO] [stdout]   --> src/tt.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TTEntry{
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     key16: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TTEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "29c9769a9688fe8c07229706fece7ef3a5b6683c94169957711fcfd83e261d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c9769a9688fe8c07229706fece7ef3a5b6683c94169957711fcfd83e261d9a", kill_on_drop: false }`
[INFO] [stdout] 29c9769a9688fe8c07229706fece7ef3a5b6683c94169957711fcfd83e261d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bd7d74411512a3dd3b35d2f699c51dd2557c7e7e" "test" "--frozen" "-Zbuild-dir-new-layout", kill_on_drop: false }`
[INFO] [stdout] f18742631d20b18fa7352f1cec54ed1de18c914edb168636f5f9a17fc93a6045
[INFO] running `Command { std: "docker" "start" "-a" "f18742631d20b18fa7352f1cec54ed1de18c914edb168636f5f9a17fc93a6045", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `enable_indexing_by`
[INFO] [stderr]    --> src/types.rs:354:16
[INFO] [stderr]     |
[INFO] [stderr] 354 | pub(crate) use enable_indexing_by;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BLACK` and `WHITE`
[INFO] [stderr]  --> src/search.rs:2:27
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::types::piece::{WHITE, BLACK, PIECE_NB, Color};
[INFO] [stderr]   |                           ^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TTFlag` and `TranspositionTable`
[INFO] [stderr]  --> src/uci.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crate::tt::{TranspositionTable, TTFlag};
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::types::r#move::Move`
[INFO] [stderr]  --> src/tune.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::types::r#move::Move;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::position::Position`
[INFO] [stderr]  --> src/tune.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::position::Position;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `ret` is never read
[INFO] [stderr]    --> src/search.rs:209:23
[INFO] [stderr]     |
[INFO] [stderr] 209 |         let mut ret = String::new();
[INFO] [stderr]     |                       ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `nps` is assigned to, but never used
[INFO] [stderr]    --> src/search.rs:326:13
[INFO] [stderr]     |
[INFO] [stderr] 326 |         let mut nps;
[INFO] [stderr]     |             ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_nps` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `nps` is never read
[INFO] [stderr]    --> src/search.rs:355:13
[INFO] [stderr]     |
[INFO] [stderr] 355 |             nps = std::cmp::max(self.nps(), 1_000_000);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `red` is never read
[INFO] [stderr]    --> src/search.rs:434:19
[INFO] [stderr]     |
[INFO] [stderr] 434 |     let mut red = 0;
[INFO] [stderr]     |                   ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `fen` is assigned to, but never used
[INFO] [stderr]   --> src/tune.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let fen: &str;
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_fen` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fen` is never read
[INFO] [stderr]   --> src/tune.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         fen = (&args[3..params]).trim();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `fen` is never read
[INFO] [stderr]   --> src/tune.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |         fen = START_FEN;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: method `print_root_moves` is never used
[INFO] [stderr]    --> src/search.rs:300:8
[INFO] [stderr]     |
[INFO] [stderr] 107 | impl Thread {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 300 |     fn print_root_moves(&mut self) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `key16` is never read
[INFO] [stderr]   --> src/tt.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub struct TTEntry{
[INFO] [stderr]    |            ------- field in this struct
[INFO] [stderr] 21 |     key16: u16,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TTEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `snowhead` (lib) generated 14 warnings (run `cargo fix --lib -p snowhead` to apply 5 suggestions)
[INFO] [stderr] warning: unused import: `snowhead::types::score::*`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use snowhead::types::score::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `snowhead::tune`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use snowhead::tune;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `snowhead::psqt`
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use snowhead::psqt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `snowhead` (bin "snowhead" test) generated 3 warnings (run `cargo fix --bin "snowhead" -p snowhead --tests` to apply 3 suggestions)
[INFO] [stderr] warning: `snowhead` (lib test) generated 14 warnings (14 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/snowhead/943552e04091fa1f/deps/snowhead-943552e04091fa1f)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test attacks::attack_bb::attack_bb_test::magic_attacks_match_sliding_attacks ... ok
[INFO] [stdout] test position::game::game_test::do_undo_move_gives_same_position ... ok
[INFO] [stdout] test types::square::square_test::it_works ... ok
[INFO] [stdout] test tt::tt_test::save_and_probe_returns_same_value ... ok
[INFO] [stdout] test position::game::game_test::illegal_castling ... ok
[INFO] [stdout] test movegen::movegen_test::perft4_stats ... ok
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/snowhead/943552e04091fa1f/deps/snowhead-943552e04091fa1f` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "f18742631d20b18fa7352f1cec54ed1de18c914edb168636f5f9a17fc93a6045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18742631d20b18fa7352f1cec54ed1de18c914edb168636f5f9a17fc93a6045", kill_on_drop: false }`
[INFO] [stdout] f18742631d20b18fa7352f1cec54ed1de18c914edb168636f5f9a17fc93a6045
