[INFO] cloning repository https://github.com/MoWeeeZ/kalah-agent-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MoWeeeZ/kalah-agent-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoWeeeZ%2Fkalah-agent-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoWeeeZ%2Fkalah-agent-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21a0fa852fc35558987025ec30eccf18ba2a6952
[INFO] building MoWeeeZ/kalah-agent-rs 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%2FMoWeeeZ%2Fkalah-agent-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MoWeeeZ/kalah-agent-rs 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/MoWeeeZ/kalah-agent-rs
[INFO] finished tweaking git repo https://github.com/MoWeeeZ/kalah-agent-rs
[INFO] tweaked toml for git repo https://github.com/MoWeeeZ/kalah-agent-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MoWeeeZ/kalah-agent-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7e4cf6ceea188d455b87e4dac62a31ea7791ba53f20eef8e29fc313c1e0c7e94
[INFO] running `Command { std: "docker" "start" "-a" "7e4cf6ceea188d455b87e4dac62a31ea7791ba53f20eef8e29fc313c1e0c7e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e4cf6ceea188d455b87e4dac62a31ea7791ba53f20eef8e29fc313c1e0c7e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e4cf6ceea188d455b87e4dac62a31ea7791ba53f20eef8e29fc313c1e0c7e94", kill_on_drop: false }`
[INFO] [stdout] 7e4cf6ceea188d455b87e4dac62a31ea7791ba53f20eef8e29fc313c1e0c7e94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ea05a8e1340034927a34f12c5b0b46ab7c23f0bc54c32caa8fe7a1cc30e7a0cd
[INFO] running `Command { std: "docker" "start" "-a" "ea05a8e1340034927a34f12c5b0b46ab7c23f0bc54c32caa8fe7a1cc30e7a0cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[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 regex v1.7.0
[INFO] [stderr]    Compiling kalah v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `first_move_agent::FirstMoveAgent`
[INFO] [stdout]  --> src/agent/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use first_move_agent::FirstMoveAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_agent::RandomAgent`
[INFO] [stdout]  --> src/agent/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use random_agent::RandomAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Valuation`
[INFO] [stdout]  --> src/kalah/mod.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use valuation::{Valuation, ValuationFn};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `minimax_agent::MinimaxAgent`
[INFO] [stdout]  --> src/minimax/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use minimax_agent::MinimaxAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `minimax_agent::MinimaxAgent`
[INFO] [stdout]  --> src/minimax_reference/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use minimax_agent::MinimaxAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pvs_agent::PVSAgent`
[INFO] [stdout]  --> src/pvs/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use pvs_agent::PVSAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ponder` and `is_reference` are never used
[INFO] [stdout]   --> src/agent/_agent.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Agent {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn ponder(&mut self);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 18 |
[INFO] [stdout] 19 |     fn is_reference(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "ea05a8e1340034927a34f12c5b0b46ab7c23f0bc54c32caa8fe7a1cc30e7a0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea05a8e1340034927a34f12c5b0b46ab7c23f0bc54c32caa8fe7a1cc30e7a0cd", kill_on_drop: false }`
[INFO] [stdout] ea05a8e1340034927a34f12c5b0b46ab7c23f0bc54c32caa8fe7a1cc30e7a0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7a245a416f4f34016e1e970f6f50a641b3461b6e379c997ca0061354041c2b3a
[INFO] running `Command { std: "docker" "start" "-a" "7a245a416f4f34016e1e970f6f50a641b3461b6e379c997ca0061354041c2b3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling kalah v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `first_move_agent::FirstMoveAgent`
[INFO] [stdout]  --> src/agent/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use first_move_agent::FirstMoveAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `random_agent::RandomAgent`
[INFO] [stdout]  --> src/agent/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use random_agent::RandomAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Valuation`
[INFO] [stdout]  --> src/kalah/mod.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use valuation::{Valuation, ValuationFn};
[INFO] [stdout]   |                     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `minimax_agent::MinimaxAgent`
[INFO] [stdout]  --> src/minimax/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use minimax_agent::MinimaxAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `minimax_agent::MinimaxAgent`
[INFO] [stdout]  --> src/minimax_reference/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use minimax_agent::MinimaxAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pvs_agent::PVSAgent`
[INFO] [stdout]  --> src/pvs/mod.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use pvs_agent::PVSAgent;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `ponder` and `is_reference` are never used
[INFO] [stdout]   --> src/agent/_agent.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub trait Agent {
[INFO] [stdout]    |           ----- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 17 |     fn ponder(&mut self);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 18 |
[INFO] [stdout] 19 |     fn is_reference(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "7a245a416f4f34016e1e970f6f50a641b3461b6e379c997ca0061354041c2b3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a245a416f4f34016e1e970f6f50a641b3461b6e379c997ca0061354041c2b3a", kill_on_drop: false }`
[INFO] [stdout] 7a245a416f4f34016e1e970f6f50a641b3461b6e379c997ca0061354041c2b3a