[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] building chesstastic-org/Ampersand against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[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] validating manifest of git repo https://github.com/chesstastic-org/Ampersand on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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] 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c54f0d1f3db2349053b63ef2e6eab56f4b280aa72594c33a6ce363eb60e69193
[INFO] running `Command { std: "docker" "start" "-a" "c54f0d1f3db2349053b63ef2e6eab56f4b280aa72594c33a6ce363eb60e69193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c54f0d1f3db2349053b63ef2e6eab56f4b280aa72594c33a6ce363eb60e69193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54f0d1f3db2349053b63ef2e6eab56f4b280aa72594c33a6ce363eb60e69193", kill_on_drop: false }`
[INFO] [stdout] c54f0d1f3db2349053b63ef2e6eab56f4b280aa72594c33a6ce363eb60e69193
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00faf4314bacfe9f1c2e25dfb9b02825f864952c188c91600ad4c160d681309f
[INFO] running `Command { std: "docker" "start" "-a" "00faf4314bacfe9f1c2e25dfb9b02825f864952c188c91600ad4c160d681309f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling shell-words v1.1.0
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling monster_chess v0.0.24
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling monster_ugi v0.0.19
[INFO] [stderr]    Compiling 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "00faf4314bacfe9f1c2e25dfb9b02825f864952c188c91600ad4c160d681309f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00faf4314bacfe9f1c2e25dfb9b02825f864952c188c91600ad4c160d681309f", kill_on_drop: false }`
[INFO] [stdout] 00faf4314bacfe9f1c2e25dfb9b02825f864952c188c91600ad4c160d681309f
[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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7f1907e8a8721bcef4bddc4e307c9de3fc9da4b64b37c1d2606cbdfa85b5059
[INFO] running `Command { std: "docker" "start" "-a" "a7f1907e8a8721bcef4bddc4e307c9de3fc9da4b64b37c1d2606cbdfa85b5059", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` 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)]` 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "a7f1907e8a8721bcef4bddc4e307c9de3fc9da4b64b37c1d2606cbdfa85b5059", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f1907e8a8721bcef4bddc4e307c9de3fc9da4b64b37c1d2606cbdfa85b5059", kill_on_drop: false }`
[INFO] [stdout] a7f1907e8a8721bcef4bddc4e307c9de3fc9da4b64b37c1d2606cbdfa85b5059