[INFO] cloning repository https://github.com/andrewgazelka/rust_ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrewgazelka/rust_ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Frust_ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Frust_ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c8917579550a0c3fc3c378fe36ff48d299c82a9
[INFO] testing andrewgazelka/rust_ai against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrewgazelka%2Frust_ai" "/workspace/builds/worker-114/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-114/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andrewgazelka/rust_ai on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andrewgazelka/rust_ai
[INFO] finished tweaking git repo https://github.com/andrewgazelka/rust_ai
[INFO] tweaked toml for git repo https://github.com/andrewgazelka/rust_ai written to /workspace/builds/worker-114/source/Cargo.toml
[INFO] crate git repo https://github.com/andrewgazelka/rust_ai already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdd8a77cde46620f25691cb1c6bdac30ba2cfd7254d428b3d1edbf613a9a89e3
[INFO] running `Command { std: "docker" "start" "-a" "cdd8a77cde46620f25691cb1c6bdac30ba2cfd7254d428b3d1edbf613a9a89e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdd8a77cde46620f25691cb1c6bdac30ba2cfd7254d428b3d1edbf613a9a89e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdd8a77cde46620f25691cb1c6bdac30ba2cfd7254d428b3d1edbf613a9a89e3", kill_on_drop: false }`
[INFO] [stdout] cdd8a77cde46620f25691cb1c6bdac30ba2cfd7254d428b3d1edbf613a9a89e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebd874f0aad05ae99bcc3281d6b2ffe372cd6d3208aa5180b9ac253fae3c41e5
[INFO] running `Command { std: "docker" "start" "-a" "ebd874f0aad05ae99bcc3281d6b2ffe372cd6d3208aa5180b9ac253fae3c41e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling rust-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `to`
[INFO] [stdout]  --> src/search.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     to: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `step_cost`
[INFO] [stdout]   --> src/search.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     step_cost: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.70s
[INFO] running `Command { std: "docker" "inspect" "ebd874f0aad05ae99bcc3281d6b2ffe372cd6d3208aa5180b9ac253fae3c41e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd874f0aad05ae99bcc3281d6b2ffe372cd6d3208aa5180b9ac253fae3c41e5", kill_on_drop: false }`
[INFO] [stdout] ebd874f0aad05ae99bcc3281d6b2ffe372cd6d3208aa5180b9ac253fae3c41e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3afa9f42c014ec385ef4fbc10f84f2ff366abcefbfa2c3d48274dbb48d167cbf
[INFO] running `Command { std: "docker" "start" "-a" "3afa9f42c014ec385ef4fbc10f84f2ff366abcefbfa2c3d48274dbb48d167cbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `to`
[INFO] [stdout]  --> src/search.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     to: T,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `step_cost`
[INFO] [stdout]   --> src/search.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     step_cost: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "3afa9f42c014ec385ef4fbc10f84f2ff366abcefbfa2c3d48274dbb48d167cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3afa9f42c014ec385ef4fbc10f84f2ff366abcefbfa2c3d48274dbb48d167cbf", kill_on_drop: false }`
[INFO] [stdout] 3afa9f42c014ec385ef4fbc10f84f2ff366abcefbfa2c3d48274dbb48d167cbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf3952db98a4e1a3311414b8cddd4b95bbf68ab081e8e0b49c1def90dca04fdd
[INFO] running `Command { std: "docker" "start" "-a" "cf3952db98a4e1a3311414b8cddd4b95bbf68ab081e8e0b49c1def90dca04fdd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `to`
[INFO] [stderr]  --> src/search.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     to: T,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `step_cost`
[INFO] [stderr]   --> src/search.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     step_cost: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-ai` (bin "rust-ai" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_ai-2eb08cc990723f39)
[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" "cf3952db98a4e1a3311414b8cddd4b95bbf68ab081e8e0b49c1def90dca04fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3952db98a4e1a3311414b8cddd4b95bbf68ab081e8e0b49c1def90dca04fdd", kill_on_drop: false }`
[INFO] [stdout] cf3952db98a4e1a3311414b8cddd4b95bbf68ab081e8e0b49c1def90dca04fdd