Dec 17 23:27:09.449 INFO checking hamadakafu/rust_client against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:27:09.449 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/hamadakafu/rust_client:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:27:09.872 INFO [stdout] 3b6a83c7d70e6e06e4d6606bfd0c174b6fada6c4c51786c7a0cd4102663faa37
Dec 17 23:27:09.872 INFO running `"docker" "start" "-a" "3b6a83c7d70e6e06e4d6606bfd0c174b6fada6c4c51786c7a0cd4102663faa37"`
Dec 17 23:27:10.825 INFO [stderr]     Checking rust_client v0.1.0 (/opt/crater/workdir)
Dec 17 23:27:11.028 INFO [stderr] warning: unused variable: `buf`
Dec 17 23:27:11.028 INFO [stderr]   --> src/main.rs:10:7
Dec 17 23:27:11.028 INFO [stderr]    |
Dec 17 23:27:11.028 INFO [stderr] 10 |   let buf = String::new();
Dec 17 23:27:11.028 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 17 23:27:11.028 INFO [stderr]    |
Dec 17 23:27:11.028 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:27:11.028 INFO [stderr] 
Dec 17 23:27:11.126 INFO [stderr] warning: unused variable: `buf`
Dec 17 23:27:11.126 INFO [stderr]   --> src/main.rs:10:7
Dec 17 23:27:11.126 INFO [stderr]    |
Dec 17 23:27:11.126 INFO [stderr] 10 |   let buf = String::new();
Dec 17 23:27:11.126 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 17 23:27:11.126 INFO [stderr]    |
Dec 17 23:27:11.126 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:27:11.126 INFO [stderr] 
Dec 17 23:27:11.162 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Dec 17 23:27:11.598 INFO running `"docker" "inspect" "3b6a83c7d70e6e06e4d6606bfd0c174b6fada6c4c51786c7a0cd4102663faa37"`
Dec 17 23:27:11.836 INFO running `"docker" "rm" "-f" "3b6a83c7d70e6e06e4d6606bfd0c174b6fada6c4c51786c7a0cd4102663faa37"`
Dec 17 23:27:11.981 INFO [stdout] 3b6a83c7d70e6e06e4d6606bfd0c174b6fada6c4c51786c7a0cd4102663faa37