[INFO] fetching crate myopic-brain 1.8.0...
[INFO] building myopic-brain-1.8.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate myopic-brain 1.8.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate myopic-brain 1.8.0
[INFO] finished tweaking crates.io crate myopic-brain 1.8.0
[INFO] tweaked toml for crates.io crate myopic-brain 1.8.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate myopic-brain 1.8.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 50 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.9.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded myopic-core v1.3.0
[INFO] [stderr]   Downloaded enumset v1.1.10
[INFO] [stderr]   Downloaded enumset_derive v0.14.0
[INFO] [stderr]   Downloaded myopic-board v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56a4bfdbc0e6f0e463418f317fb0339112edb43a4e93d0a1ccae273f4451befc
[INFO] running `Command { std: "docker" "start" "-a" "56a4bfdbc0e6f0e463418f317fb0339112edb43a4e93d0a1ccae273f4451befc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56a4bfdbc0e6f0e463418f317fb0339112edb43a4e93d0a1ccae273f4451befc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a4bfdbc0e6f0e463418f317fb0339112edb43a4e93d0a1ccae273f4451befc", kill_on_drop: false }`
[INFO] [stdout] 56a4bfdbc0e6f0e463418f317fb0339112edb43a4e93d0a1ccae273f4451befc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71d7dcb966f9d7eab3e0c7b2536672cb6c3b40c8c8dffda596dcf1230170c0ef
[INFO] running `Command { std: "docker" "start" "-a" "71d7dcb966f9d7eab3e0c7b2536672cb6c3b40c8c8dffda596dcf1230170c0ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling darling_core v0.21.3
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling darling_macro v0.21.3
[INFO] [stderr]    Compiling darling v0.21.3
[INFO] [stderr]    Compiling enumset_derive v0.14.0
[INFO] [stderr]    Compiling enumset v1.1.10
[INFO] [stderr]    Compiling myopic-core v1.3.0
[INFO] [stderr]    Compiling myopic-board v2.2.0
[INFO] [stderr]    Compiling myopic-brain v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/search/negascout.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     Pv(u8, Move),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 126 -     Pv(u8, Move),
[INFO] [stdout] 126 +     Pv((), Move),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstantEstimator` is never constructed
[INFO] [stdout]   --> src/search/ordering.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ConstantEstimator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.56s
[INFO] running `Command { std: "docker" "inspect" "71d7dcb966f9d7eab3e0c7b2536672cb6c3b40c8c8dffda596dcf1230170c0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d7dcb966f9d7eab3e0c7b2536672cb6c3b40c8c8dffda596dcf1230170c0ef", kill_on_drop: false }`
[INFO] [stdout] 71d7dcb966f9d7eab3e0c7b2536672cb6c3b40c8c8dffda596dcf1230170c0ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161261a8342194f4f3b394121a36eda362be97c0fb6270b742e748d103bdd759
[INFO] running `Command { std: "docker" "start" "-a" "161261a8342194f4f3b394121a36eda362be97c0fb6270b742e748d103bdd759", kill_on_drop: false }`
[INFO] [stderr]    Compiling myopic-brain v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/search/negascout.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     Pv(u8, Move),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 126 -     Pv(u8, Move),
[INFO] [stdout] 126 +     Pv((), Move),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstantEstimator` is never constructed
[INFO] [stdout]   --> src/search/ordering.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ConstantEstimator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/search/negascout.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     Pv(u8, Move),
[INFO] [stdout]     |     -- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 126 -     Pv(u8, Move),
[INFO] [stdout] 126 +     Pv((), Move),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ConstantEstimator` is never constructed
[INFO] [stdout]   --> src/search/ordering.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ConstantEstimator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "161261a8342194f4f3b394121a36eda362be97c0fb6270b742e748d103bdd759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161261a8342194f4f3b394121a36eda362be97c0fb6270b742e748d103bdd759", kill_on_drop: false }`
[INFO] [stdout] 161261a8342194f4f3b394121a36eda362be97c0fb6270b742e748d103bdd759