[INFO] updating cached repository https://github.com/Menschenkindlein/invaders
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f5c95a4d397264788f9d30c0cc6047ce00b9e2a
[INFO] checking Menschenkindlein/invaders against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMenschenkindlein%2Finvaders" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Menschenkindlein/invaders on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Menschenkindlein/invaders
[INFO] finished tweaking git repo https://github.com/Menschenkindlein/invaders
[INFO] tweaked toml for git repo https://github.com/Menschenkindlein/invaders written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Menschenkindlein/invaders already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`?
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 381b9602a7c527656e58454d2b832ffecfe83cf662bdefa672700164122235e3
[INFO] running `"docker" "start" "-a" "381b9602a7c527656e58454d2b832ffecfe83cf662bdefa672700164122235e3"`
[INFO] [stderr] warning: `default-features = [".."]` was found in [features]. Did you mean to use `default = [".."]`?
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.22
[INFO] [stderr]    Compiling wasm-bindgen v0.2.22
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling syn v0.15.6
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.30
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.22
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.22
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.22
[INFO] [stderr]     Checking js-sys v0.2.7
[INFO] [stderr]     Checking invaders v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `set_panic_hook`
[INFO] [stderr]   --> src/utils.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         pub fn set_panic_hook() {}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_panic_hook`
[INFO] [stderr]   --> src/utils.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |         pub fn set_panic_hook() {}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `"docker" "inspect" "381b9602a7c527656e58454d2b832ffecfe83cf662bdefa672700164122235e3"`
[INFO] running `"docker" "rm" "-f" "381b9602a7c527656e58454d2b832ffecfe83cf662bdefa672700164122235e3"`
[INFO] [stdout] 381b9602a7c527656e58454d2b832ffecfe83cf662bdefa672700164122235e3