[INFO] crate connect4-coms 0.1.0 is already in cache
[INFO] checking connect4-coms-0.1.0 against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] extracting crate connect4-coms 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate connect4-coms 0.1.0 on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate connect4-coms 0.1.0
[INFO] finished tweaking crates.io crate connect4-coms 0.1.0
[INFO] tweaked toml for crates.io crate connect4-coms 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] ffc53d8e3a8a228ee77f9825ffdff5e8f71f758a7c3608ad7970d72a3fb0ee61
[INFO] running `"docker" "start" "-a" "ffc53d8e3a8a228ee77f9825ffdff5e8f71f758a7c3608ad7970d72a3fb0ee61"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.109
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.109
[INFO] [stderr]     Checking connect4-lib v0.1.0
[INFO] [stderr]     Checking connect4-coms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Player`
[INFO] [stderr]  --> src/types.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | use connect4_lib::game::{BoardState, Game, Player};
[INFO] [stderr]   |                                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `username` should have an upper camel case name
[INFO] [stderr]   --> src/types.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     username(String),
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Player`
[INFO] [stderr]  --> src/types.rs:2:44
[INFO] [stderr]   |
[INFO] [stderr] 2 | use connect4_lib::game::{BoardState, Game, Player};
[INFO] [stderr]   |                                            ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `username` should have an upper camel case name
[INFO] [stderr]   --> src/types.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     username(String),
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Username`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.37s
[INFO] running `"docker" "inspect" "ffc53d8e3a8a228ee77f9825ffdff5e8f71f758a7c3608ad7970d72a3fb0ee61"`
[INFO] running `"docker" "rm" "-f" "ffc53d8e3a8a228ee77f9825ffdff5e8f71f758a7c3608ad7970d72a3fb0ee61"`
[INFO] [stdout] ffc53d8e3a8a228ee77f9825ffdff5e8f71f758a7c3608ad7970d72a3fb0ee61