[INFO] cloning repository https://github.com/juschei/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juschei/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuschei%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuschei%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76ed5f8a98a8c34b30ec9c2ea951143eb63c619d
[INFO] testing juschei/rust-chess against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuschei%2Frust-chess" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juschei/rust-chess on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juschei/rust-chess
[INFO] finished tweaking git repo https://github.com/juschei/rust-chess
[INFO] tweaked toml for git repo https://github.com/juschei/rust-chess written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/juschei/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d258eddd2b9c9e96757276ae3e21814dcac12fdc9720e6876ec9b14585acee0
[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" "1d258eddd2b9c9e96757276ae3e21814dcac12fdc9720e6876ec9b14585acee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d258eddd2b9c9e96757276ae3e21814dcac12fdc9720e6876ec9b14585acee0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d258eddd2b9c9e96757276ae3e21814dcac12fdc9720e6876ec9b14585acee0", kill_on_drop: false }`
[INFO] [stdout] 1d258eddd2b9c9e96757276ae3e21814dcac12fdc9720e6876ec9b14585acee0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", 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] bd999d2453df56191fb94a2bf2dbb9f9ca66553d4bc7f56331e1f52190020eba
[INFO] running `Command { std: "docker" "start" "-a" "bd999d2453df56191fb94a2bf2dbb9f9ca66553d4bc7f56331e1f52190020eba", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling ChessEngine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `pv_moves` is assigned to, but never used
[INFO] [stdout]    --> src/search.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |     let mut pv_moves: usize;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_pv_moves` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pv_moves` is never read
[INFO] [stdout]    --> src/search.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             pv_moves = get_pv_line(board, current_depth);
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `inc` is assigned to, but never used
[INFO] [stdout]    --> src/uci.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let mut inc: u128 = 0;
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_inc` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inc` is never read
[INFO] [stdout]    --> src/uci.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |             inc = num.0.unwrap() as u128;
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inc` is never read
[INFO] [stdout]    --> src/uci.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |             inc = num.0.unwrap() as u128;
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `stdin` that must be used
[INFO] [stdout]   --> src/perft.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         stdin();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `stdin` that must be used
[INFO] [stdout]   --> src/perft.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         stdin();
[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 34.60s
[INFO] running `Command { std: "docker" "inspect" "bd999d2453df56191fb94a2bf2dbb9f9ca66553d4bc7f56331e1f52190020eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd999d2453df56191fb94a2bf2dbb9f9ca66553d4bc7f56331e1f52190020eba", kill_on_drop: false }`
[INFO] [stdout] bd999d2453df56191fb94a2bf2dbb9f9ca66553d4bc7f56331e1f52190020eba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 946e9b83a441e381356ea41006315b685ff9f18e508c7c1a653d91f8d2e36698
[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" "946e9b83a441e381356ea41006315b685ff9f18e508c7c1a653d91f8d2e36698", kill_on_drop: false }`
[INFO] [stderr]    Compiling ChessEngine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `pv_moves` is assigned to, but never used
[INFO] [stdout]    --> src/search.rs:332:13
[INFO] [stdout]     |
[INFO] [stdout] 332 |     let mut pv_moves: usize;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]     = note: consider using `_pv_moves` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pv_moves` is never read
[INFO] [stdout]    --> src/search.rs:361:13
[INFO] [stdout]     |
[INFO] [stdout] 361 |             pv_moves = get_pv_line(board, current_depth);
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `inc` is assigned to, but never used
[INFO] [stdout]    --> src/uci.rs:198:13
[INFO] [stdout]     |
[INFO] [stdout] 198 |     let mut inc: u128 = 0;
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_inc` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inc` is never read
[INFO] [stdout]    --> src/uci.rs:272:13
[INFO] [stdout]     |
[INFO] [stdout] 272 |             inc = num.0.unwrap() as u128;
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `inc` is never read
[INFO] [stdout]    --> src/uci.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |             inc = num.0.unwrap() as u128;
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `stdin` that must be used
[INFO] [stdout]   --> src/perft.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 |         stdin();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `stdin` that must be used
[INFO] [stdout]   --> src/perft.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         stdin();
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "946e9b83a441e381356ea41006315b685ff9f18e508c7c1a653d91f8d2e36698", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946e9b83a441e381356ea41006315b685ff9f18e508c7c1a653d91f8d2e36698", kill_on_drop: false }`
[INFO] [stdout] 946e9b83a441e381356ea41006315b685ff9f18e508c7c1a653d91f8d2e36698
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", 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] d77fa7fae1df327b52f330ebc7247685a454a54e058e860076ed8ddce717748e
[INFO] running `Command { std: "docker" "start" "-a" "d77fa7fae1df327b52f330ebc7247685a454a54e058e860076ed8ddce717748e", kill_on_drop: false }`
[INFO] [stderr] warning: variable `pv_moves` is assigned to, but never used
[INFO] [stderr]    --> src/search.rs:332:13
[INFO] [stderr]     |
[INFO] [stderr] 332 |     let mut pv_moves: usize;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]     = note: consider using `_pv_moves` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `pv_moves` is never read
[INFO] [stderr]    --> src/search.rs:361:13
[INFO] [stderr]     |
[INFO] [stderr] 361 |             pv_moves = get_pv_line(board, current_depth);
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inc` is assigned to, but never used
[INFO] [stderr]    --> src/uci.rs:198:13
[INFO] [stderr]     |
[INFO] [stderr] 198 |     let mut inc: u128 = 0;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_inc` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `inc` is never read
[INFO] [stderr]    --> src/uci.rs:272:13
[INFO] [stderr]     |
[INFO] [stderr] 272 |             inc = num.0.unwrap() as u128;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `inc` is never read
[INFO] [stderr]    --> src/uci.rs:293:13
[INFO] [stderr]     |
[INFO] [stderr] 293 |             inc = num.0.unwrap() as u128;
[INFO] [stderr]     |             ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `stdin` that must be used
[INFO] [stderr]   --> src/perft.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 42 |         stdin();
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `stdin` that must be used
[INFO] [stderr]   --> src/perft.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         stdin();
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ChessEngine` (bin "ChessEngine" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ChessEngine-80130eb34911fd5f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d77fa7fae1df327b52f330ebc7247685a454a54e058e860076ed8ddce717748e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77fa7fae1df327b52f330ebc7247685a454a54e058e860076ed8ddce717748e", kill_on_drop: false }`
[INFO] [stdout] d77fa7fae1df327b52f330ebc7247685a454a54e058e860076ed8ddce717748e