[INFO] updating cached repository https://github.com/420User420/rust-FloodIt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec10587d8da07aeb2fee1f0c96d3ef9333eb4330
[INFO] checking 420User420/rust-FloodIt/ec10587d8da07aeb2fee1f0c96d3ef9333eb4330 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F420User420%2Frust-FloodIt" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/420User420/rust-FloodIt on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/420User420/rust-FloodIt
[INFO] finished tweaking git repo https://github.com/420User420/rust-FloodIt
[INFO] tweaked toml for git repo https://github.com/420User420/rust-FloodIt written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/420User420/rust-FloodIt 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb5320eaf210d0cf1f889957429b04c6e5b4ab3401cbf06ac6c6dc25bbc606f8
[INFO] running `Command { std: "docker" "start" "-a" "fb5320eaf210d0cf1f889957429b04c6e5b4ab3401cbf06ac6c6dc25bbc606f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5320eaf210d0cf1f889957429b04c6e5b4ab3401cbf06ac6c6dc25bbc606f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5320eaf210d0cf1f889957429b04c6e5b4ab3401cbf06ac6c6dc25bbc606f8", kill_on_drop: false }`
[INFO] [stdout] fb5320eaf210d0cf1f889957429b04c6e5b4ab3401cbf06ac6c6dc25bbc606f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51ab39f910b08d5befa7115eb98cf8fddd7505ad7183630246097369b403385c
[INFO] running `Command { std: "docker" "start" "-a" "51ab39f910b08d5befa7115eb98cf8fddd7505ad7183630246097369b403385c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling syn v1.0.88
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dlv-list v0.2.3
[INFO] [stderr]     Checking ordered-multimap v0.3.1
[INFO] [stderr]     Checking rust-ini v0.17.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking ron v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking config v0.12.0
[INFO] [stderr]     Checking floodit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `neighbors` is never read
[INFO] [stdout]   --> src/game.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 9  |     pub color: u8,
[INFO] [stdout] 10 |     neighbors: Option<Vec<Box<Node>>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `neighbors` is never read
[INFO] [stdout]   --> src/game.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub struct Node {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 9  |     pub color: u8,
[INFO] [stdout] 10 |     neighbors: Option<Vec<Box<Node>>>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.74s
[INFO] running `Command { std: "docker" "inspect" "51ab39f910b08d5befa7115eb98cf8fddd7505ad7183630246097369b403385c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51ab39f910b08d5befa7115eb98cf8fddd7505ad7183630246097369b403385c", kill_on_drop: false }`
[INFO] [stdout] 51ab39f910b08d5befa7115eb98cf8fddd7505ad7183630246097369b403385c