[INFO] cloning repository https://github.com/chesstastic-org/Ampersand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chesstastic-org/Ampersand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchesstastic-org%2FAmpersand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchesstastic-org%2FAmpersand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d23cf9584d9d17c084237e5d9d045949d4bf039
[INFO] checking chesstastic-org/Ampersand/5d23cf9584d9d17c084237e5d9d045949d4bf039 against master#55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d for pr-146300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchesstastic-org%2FAmpersand" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chesstastic-org/Ampersand
[INFO] finished tweaking git repo https://github.com/chesstastic-org/Ampersand
[INFO] tweaked toml for git repo https://github.com/chesstastic-org/Ampersand written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chesstastic-org/Ampersand on toolchain 55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chesstastic-org/Ampersand 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" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded monster_ugi v0.0.19
[INFO] [stderr]   Downloaded monster_chess v0.0.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a573db8975c1993f7e986bef6d45b3c7ea1a7824abe154a0ed56a43d4f5cca3a
[INFO] running `Command { std: "docker" "start" "-a" "a573db8975c1993f7e986bef6d45b3c7ea1a7824abe154a0ed56a43d4f5cca3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a573db8975c1993f7e986bef6d45b3c7ea1a7824abe154a0ed56a43d4f5cca3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a573db8975c1993f7e986bef6d45b3c7ea1a7824abe154a0ed56a43d4f5cca3a", kill_on_drop: false }`
[INFO] [stdout] a573db8975c1993f7e986bef6d45b3c7ea1a7824abe154a0ed56a43d4f5cca3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53cd0c7ede42a01c94c498870cd865f22e52888bb70f37c6dd8f18e6977ecb55
[INFO] running `Command { std: "docker" "start" "-a" "53cd0c7ede42a01c94c498870cd865f22e52888bb70f37c6dd8f18e6977ecb55", kill_on_drop: false }`
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking monster_chess v0.0.24
[INFO] [stderr]     Checking monster_ugi v0.0.19
[INFO] [stderr]     Checking Ampersand v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `os::unix::thread`
[INFO] [stdout]  --> src/evaluate.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{os::unix::thread, collections::HashMap};
[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: `Rng`, `SeedableRng`, `random`, `rngs::StdRng`, and `thread_rng`
[INFO] [stdout]  --> src/evaluate.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{random, thread_rng, Rng, rngs::StdRng, SeedableRng};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^^^^^  ^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::search::SearchInfo`
[INFO] [stdout]  --> src/evaluate.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::search::SearchInfo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]  --> src/engine.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{rngs::ThreadRng, SeedableRng};
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ATTACKS_MODE`, `KNIGHT`, and `QUEEN`
[INFO] [stdout]  --> src/search.rs:1:188
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...s::get_time_ms}, games::chess::{pieces::{KING, PAWN, QUEEN, KNIGHT}, ATTACKS_MODE}, bitboard::BitBoard};
[INFO] [stdout]   |                                                         ^^^^^  ^^^^^^   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]  --> src/search.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::rngs::StdRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `os::unix::thread`
[INFO] [stdout]  --> src/evaluate.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{os::unix::thread, collections::HashMap};
[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: `Rng`, `SeedableRng`, `random`, `rngs::StdRng`, and `thread_rng`
[INFO] [stdout]  --> src/evaluate.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rand::{random, thread_rng, Rng, rngs::StdRng, SeedableRng};
[INFO] [stdout]   |            ^^^^^^  ^^^^^^^^^^  ^^^  ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::search::SearchInfo`
[INFO] [stdout]  --> src/evaluate.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::search::SearchInfo;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SeedableRng`
[INFO] [stdout]  --> src/engine.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{rngs::ThreadRng, SeedableRng};
[INFO] [stdout]   |                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ATTACKS_MODE`, `KNIGHT`, and `QUEEN`
[INFO] [stdout]  --> src/search.rs:1:188
[INFO] [stdout]   |
[INFO] [stdout] 1 | ...s::get_time_ms}, games::chess::{pieces::{KING, PAWN, QUEEN, KNIGHT}, ATTACKS_MODE}, bitboard::BitBoard};
[INFO] [stdout]   |                                                         ^^^^^  ^^^^^^   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::rngs::StdRng`
[INFO] [stdout]  --> src/search.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::rngs::StdRng;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_time` is assigned to, but never used
[INFO] [stdout]   --> src/engine.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut total_time: u128 = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_total_time` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_nodes` is assigned to, but never used
[INFO] [stdout]   --> src/engine.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut total_nodes: u64 = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_total_nodes` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/engine.rs:8:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct AmpersandEngine<const T: usize>(pub ThreadRng);
[INFO] [stdout]   |            ---------------                 ^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/engine.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn get_engine_info(&mut self) -> EngineInfo {
[INFO] [stdout]    |                        ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn get_engine_info(&mut self) -> EngineInfo<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_time` is assigned to, but never used
[INFO] [stdout]   --> src/engine.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut total_time: u128 = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_total_time` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `total_nodes` is assigned to, but never used
[INFO] [stdout]   --> src/engine.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let mut total_nodes: u64 = 0;
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_total_nodes` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/engine.rs:8:44
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct AmpersandEngine<const T: usize>(pub ThreadRng);
[INFO] [stdout]   |            ---------------                 ^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/engine.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn get_engine_info(&mut self) -> EngineInfo {
[INFO] [stdout]    |                        ^^^^^^^^^     ^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                        |
[INFO] [stdout]    |                        the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn get_engine_info(&mut self) -> EngineInfo<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "53cd0c7ede42a01c94c498870cd865f22e52888bb70f37c6dd8f18e6977ecb55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53cd0c7ede42a01c94c498870cd865f22e52888bb70f37c6dd8f18e6977ecb55", kill_on_drop: false }`
[INFO] [stdout] 53cd0c7ede42a01c94c498870cd865f22e52888bb70f37c6dd8f18e6977ecb55