[INFO] cloning repository https://github.com/nickgarvey/scout-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickgarvey/scout-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickgarvey%2Fscout-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickgarvey%2Fscout-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65189a7840f502dc7eda5e9bbff25fffb67019c0
[INFO] checking nickgarvey/scout-engine against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickgarvey%2Fscout-engine" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nickgarvey/scout-engine
[INFO] finished tweaking git repo https://github.com/nickgarvey/scout-engine
[INFO] tweaked toml for git repo https://github.com/nickgarvey/scout-engine written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nickgarvey/scout-engine on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nickgarvey/scout-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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.code-gen-units
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ff038b2016f69251d080985823a46508d6230bc1120610e4602a8a37305ed73
[INFO] running `Command { std: "docker" "start" "-a" "6ff038b2016f69251d080985823a46508d6230bc1120610e4602a8a37305ed73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ff038b2016f69251d080985823a46508d6230bc1120610e4602a8a37305ed73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff038b2016f69251d080985823a46508d6230bc1120610e4602a8a37305ed73", kill_on_drop: false }`
[INFO] [stdout] 6ff038b2016f69251d080985823a46508d6230bc1120610e4602a8a37305ed73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a12a3d774227c0efa69be1a8e3c756acf5a40b103bfb2555deaec9294c9aafeb
[INFO] running `Command { std: "docker" "start" "-a" "a12a3d774227c0efa69be1a8e3c756acf5a40b103bfb2555deaec9294c9aafeb", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.release.code-gen-units
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.15
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking scout_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `print_cards` is never used
[INFO] [stdout]   --> src/engine.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn print_cards<T>(cards: &[T])
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `calculate_hash` and `display` are never used
[INFO] [stdout]    --> src/engine.rs:573:12
[INFO] [stdout]     |
[INFO] [stdout] 298 | impl GameState {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 573 |     pub fn calculate_hash(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 579 |     pub fn display(&self) -> () {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `play_and_display` is never used
[INFO] [stdout]    --> src/engine.rs:629:8
[INFO] [stdout]     |
[INFO] [stdout] 628 | impl GameState {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 629 |     fn play_and_display(&mut self, action: &Action, ensure_legal: bool) -> TransitionResult {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TrivialPlayer` is never constructed
[INFO] [stdout]  --> src/players/trivial_player.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct TrivialPlayer {}
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Player` is never used
[INFO] [stdout]  --> src/players/player.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Player {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/search.rs:183:29
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let mut count_fn = |state: GameState| {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "a12a3d774227c0efa69be1a8e3c756acf5a40b103bfb2555deaec9294c9aafeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a12a3d774227c0efa69be1a8e3c756acf5a40b103bfb2555deaec9294c9aafeb", kill_on_drop: false }`
[INFO] [stdout] a12a3d774227c0efa69be1a8e3c756acf5a40b103bfb2555deaec9294c9aafeb