[INFO] cloning repository https://github.com/DrBrake/space-invaders-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DrBrake/space-invaders-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrBrake%2Fspace-invaders-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrBrake%2Fspace-invaders-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb5b8ae8973779786c5027dec49817a75d50c01d
[INFO] checking DrBrake/space-invaders-rust/eb5b8ae8973779786c5027dec49817a75d50c01d 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%2FDrBrake%2Fspace-invaders-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DrBrake/space-invaders-rust 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/DrBrake/space-invaders-rust
[INFO] finished tweaking git repo https://github.com/DrBrake/space-invaders-rust
[INFO] tweaked toml for git repo https://github.com/DrBrake/space-invaders-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/DrBrake/space-invaders-rust 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7c54993cde5de51a8fa4412c856c12332acbd5220f0ba4b5d78ecda3613b37b4
[INFO] running `Command { std: "docker" "start" "-a" "7c54993cde5de51a8fa4412c856c12332acbd5220f0ba4b5d78ecda3613b37b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c54993cde5de51a8fa4412c856c12332acbd5220f0ba4b5d78ecda3613b37b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c54993cde5de51a8fa4412c856c12332acbd5220f0ba4b5d78ecda3613b37b4", kill_on_drop: false }`
[INFO] [stdout] 7c54993cde5de51a8fa4412c856c12332acbd5220f0ba4b5d78ecda3613b37b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f09ba1a7d45b400c3f6e5c21c9fa29da7fe2d0e0f3ab1a8fc8fe0a5df79e9afb
[INFO] running `Command { std: "docker" "start" "-a" "f09ba1a7d45b400c3f6e5c21c9fa29da7fe2d0e0f3ab1a8fc8fe0a5df79e9afb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling version-compare v0.1.1
[INFO] [stderr]    Compiling sdl2 v0.37.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking c_vec v2.0.0
[INFO] [stderr]    Compiling space-invaders-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling sdl2-sys v0.37.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[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] [stdout] warning: field `row` is never read
[INFO] [stdout]  --> src/invader.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Invader {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub game_object: GameObject,
[INFO] [stdout] 6 |     pub row: u32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Invader` has derived impls for the traits `Debug` and `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `row` is never read
[INFO] [stdout]  --> src/invader.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Invader {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 5 |     pub game_object: GameObject,
[INFO] [stdout] 6 |     pub row: u32,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Invader` has derived impls for the traits `Debug` and `Clone`, 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "f09ba1a7d45b400c3f6e5c21c9fa29da7fe2d0e0f3ab1a8fc8fe0a5df79e9afb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f09ba1a7d45b400c3f6e5c21c9fa29da7fe2d0e0f3ab1a8fc8fe0a5df79e9afb", kill_on_drop: false }`
[INFO] [stdout] f09ba1a7d45b400c3f6e5c21c9fa29da7fe2d0e0f3ab1a8fc8fe0a5df79e9afb