Dec 17 20:19:20.583 INFO checking lyuha/bf.rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 20:19:20.583 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/lyuha/bf.rs:/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 20:19:20.748 INFO [stdout] c46c295e4a807dac5a63059b400eea3c7c9f8fdf3f4b57880c9eb19786ae2fc7
Dec 17 20:19:20.751 INFO running `"docker" "start" "-a" "c46c295e4a807dac5a63059b400eea3c7c9f8fdf3f4b57880c9eb19786ae2fc7"`
Dec 17 20:19:21.944 INFO [stderr]     Checking bf_rs v0.1.0 (/opt/crater/workdir)
Dec 17 20:19:22.191 INFO [stderr] warning: unused variable: `e`
Dec 17 20:19:22.191 INFO [stderr]   --> src/main.rs:15:24
Dec 17 20:19:22.191 INFO [stderr]    |
Dec 17 20:19:22.191 INFO [stderr] 15 |             if let Err(e) = f.read_to_string(&mut buffer) {
Dec 17 20:19:22.191 INFO [stderr]    |                        ^ help: consider using `_e` instead
Dec 17 20:19:22.191 INFO [stderr]    |
Dec 17 20:19:22.191 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 20:19:22.191 INFO [stderr] 
Dec 17 20:19:22.316 INFO [stderr] warning: unused variable: `e`
Dec 17 20:19:22.316 INFO [stderr]   --> src/main.rs:15:24
Dec 17 20:19:22.316 INFO [stderr]    |
Dec 17 20:19:22.316 INFO [stderr] 15 |             if let Err(e) = f.read_to_string(&mut buffer) {
Dec 17 20:19:22.316 INFO [stderr]    |                        ^ help: consider using `_e` instead
Dec 17 20:19:22.316 INFO [stderr]    |
Dec 17 20:19:22.316 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 20:19:22.316 INFO [stderr] 
Dec 17 20:19:22.394 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 17 20:19:23.224 INFO running `"docker" "inspect" "c46c295e4a807dac5a63059b400eea3c7c9f8fdf3f4b57880c9eb19786ae2fc7"`
Dec 17 20:19:23.537 INFO running `"docker" "rm" "-f" "c46c295e4a807dac5a63059b400eea3c7c9f8fdf3f4b57880c9eb19786ae2fc7"`
Dec 17 20:19:23.856 INFO [stdout] c46c295e4a807dac5a63059b400eea3c7c9f8fdf3f4b57880c9eb19786ae2fc7