[INFO] cloning repository https://github.com/15jgme/shallow_red_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/15jgme/shallow_red_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F15jgme%2Fshallow_red_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F15jgme%2Fshallow_red_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40ec8eb4067cf8ba3d95d743be6114e25691f9a3
[INFO] checking 15jgme/shallow_red_engine against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F15jgme%2Fshallow_red_engine" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/15jgme/shallow_red_engine
[INFO] finished tweaking git repo https://github.com/15jgme/shallow_red_engine
[INFO] tweaked toml for git repo https://github.com/15jgme/shallow_red_engine written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/15jgme/shallow_red_engine on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/15jgme/shallow_red_engine 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" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serial_test v0.4.0
[INFO] [stderr]   Downloaded serial_test_derive v0.4.0
[INFO] [stderr]   Downloaded chess v3.2.0
[INFO] [stderr]   Downloaded serde v1.0.177
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] [stderr]   Downloaded serde_derive v1.0.177
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60e54df6c9e9c0bd64d571811c9012fa22f0e1ad799c2fe3d8370aebf92a9219
[INFO] running `Command { std: "docker" "start" "-a" "60e54df6c9e9c0bd64d571811c9012fa22f0e1ad799c2fe3d8370aebf92a9219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60e54df6c9e9c0bd64d571811c9012fa22f0e1ad799c2fe3d8370aebf92a9219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e54df6c9e9c0bd64d571811c9012fa22f0e1ad799c2fe3d8370aebf92a9219", kill_on_drop: false }`
[INFO] [stdout] 60e54df6c9e9c0bd64d571811c9012fa22f0e1ad799c2fe3d8370aebf92a9219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3960dc0cec7c793aa99f5b140bc56c81520a1d7047d245659b281bf669a3b2b3
[INFO] running `Command { std: "docker" "start" "-a" "3960dc0cec7c793aa99f5b140bc56c81520a1d7047d245659b281bf669a3b2b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling gimli v0.27.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]    Compiling serde v1.0.177
[INFO] [stderr]     Checking parking_lot_core v0.7.3
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]    Compiling serde_derive v1.0.177
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling addr2line v0.20.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serial_test_derive v0.4.0
[INFO] [stderr]     Checking serial_test v0.4.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling chess v3.2.0
[INFO] [stderr]     Checking shallow_red_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BitBoard` and `Piece`
[INFO] [stdout]  --> src/extensions.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chess::{BitBoard, Board, BoardStatus, Piece, EMPTY};
[INFO] [stdout]   |             ^^^^^^^^                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `skip_tt_push` is assigned to, but never used
[INFO] [stdout]   --> src/search.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut skip_tt_push = false; // Flag for whether or not we should avoid pushing to the TT
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_skip_tt_push` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `skip_tt_push` is never read
[INFO] [stdout]   --> src/search.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     skip_tt_push = current_lookahead < cache_lookahead; // Don't replace in TT if our lookahead is worse
[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: struct `RetreivedCacheData` is never constructed
[INFO] [stdout]   --> src/ordering.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) struct RetreivedCacheData {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BitBoard` and `Piece`
[INFO] [stdout]  --> src/extensions.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chess::{BitBoard, Board, BoardStatus, Piece, EMPTY};
[INFO] [stdout]   |             ^^^^^^^^                      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `skip_tt_push` is assigned to, but never used
[INFO] [stdout]   --> src/search.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut skip_tt_push = false; // Flag for whether or not we should avoid pushing to the TT
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_skip_tt_push` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `skip_tt_push` is never read
[INFO] [stdout]   --> src/search.rs:43:21
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     skip_tt_push = current_lookahead < cache_lookahead; // Don't replace in TT if our lookahead is worse
[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: struct `RetreivedCacheData` is never constructed
[INFO] [stdout]   --> src/ordering.rs:19:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub(crate) struct RetreivedCacheData {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "3960dc0cec7c793aa99f5b140bc56c81520a1d7047d245659b281bf669a3b2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3960dc0cec7c793aa99f5b140bc56c81520a1d7047d245659b281bf669a3b2b3", kill_on_drop: false }`
[INFO] [stdout] 3960dc0cec7c793aa99f5b140bc56c81520a1d7047d245659b281bf669a3b2b3
