[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] 8ec102f9617d35799325c3a2c4a1d82584b52f2e
[INFO] checking nickgarvey/scout-engine against master#f7b43542838f0a4a6cfdb17fbeadf45002042a77 for pr-138499
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickgarvey%2Fscout-engine" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nickgarvey/scout-engine on toolchain f7b43542838f0a4a6cfdb17fbeadf45002042a77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdcc5ccdca51ed6e4caa7353cd3d9d2377a837376a48081f893192c318c0373c
[INFO] running `Command { std: "docker" "start" "-a" "cdcc5ccdca51ed6e4caa7353cd3d9d2377a837376a48081f893192c318c0373c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdcc5ccdca51ed6e4caa7353cd3d9d2377a837376a48081f893192c318c0373c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdcc5ccdca51ed6e4caa7353cd3d9d2377a837376a48081f893192c318c0373c", kill_on_drop: false }`
[INFO] [stdout] cdcc5ccdca51ed6e4caa7353cd3d9d2377a837376a48081f893192c318c0373c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+f7b43542838f0a4a6cfdb17fbeadf45002042a77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 609ac191eb4a9f2c407ded4e44aaa2b843f8730baa47f510476138fb93879aa3
[INFO] running `Command { std: "docker" "start" "-a" "609ac191eb4a9f2c407ded4e44aaa2b843f8730baa47f510476138fb93879aa3", kill_on_drop: false }`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.18s
[INFO] [stdout] warning: variants `FirstCard` and `LastCard` are never constructed
[INFO] [stdout]    --> src/engine.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | pub enum PickedCard {
[INFO] [stdout]     |          ---------- variants in this enum
[INFO] [stdout] 195 |     // The first card as ordered on the board
[INFO] [stdout] 196 |     FirstCard,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 197 |     // The last card as ordered on the board
[INFO] [stdout] 198 |     LastCard,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PickedCard` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlayCards` and `PlayScoutToken` are never constructed
[INFO] [stdout]    --> src/engine.rs:206:5
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub enum Action {
[INFO] [stdout]     |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 206 |     PlayCards(u8, u8),
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 209 |     PlayScoutToken((PickedCard, u8, Orientation)),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Action` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `play_and_display` is never used
[INFO] [stdout]    --> src/engine.rs:575:8
[INFO] [stdout]     |
[INFO] [stdout] 574 | impl GameState {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 575 |     fn play_and_display(&mut self, action: &Action, ensure_legal: bool) -> TransitionResult {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "609ac191eb4a9f2c407ded4e44aaa2b843f8730baa47f510476138fb93879aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "609ac191eb4a9f2c407ded4e44aaa2b843f8730baa47f510476138fb93879aa3", kill_on_drop: false }`
[INFO] [stdout] 609ac191eb4a9f2c407ded4e44aaa2b843f8730baa47f510476138fb93879aa3