Dec 17 23:30:34.239 INFO checking guilherme/random-number-generator against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:30:34.239 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/guilherme/random-number-generator:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:30:34.496 INFO [stdout] 872641d2f0730e7cc270c819ff147ecca3180d4938764bf8ce40306c52dbc07e
Dec 17 23:30:34.503 INFO running `"docker" "start" "-a" "872641d2f0730e7cc270c819ff147ecca3180d4938764bf8ce40306c52dbc07e"`
Dec 17 23:30:35.620 INFO [stderr]     Checking random-number-generator v0.1.0 (/opt/crater/workdir)
Dec 17 23:30:35.936 INFO [stderr] warning: unused variable: `stdin`
Dec 17 23:30:35.937 INFO [stderr]  --> src/main.rs:5:7
Dec 17 23:30:35.937 INFO [stderr]   |
Dec 17 23:30:35.937 INFO [stderr] 5 |   let stdin = io::stdin();
Dec 17 23:30:35.938 INFO [stderr]   |       ^^^^^ help: consider using `_stdin` instead
Dec 17 23:30:35.938 INFO [stderr]   |
Dec 17 23:30:35.938 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 17 23:30:35.938 INFO [stderr] 
Dec 17 23:30:35.971 INFO [stderr] warning: unused variable: `stdin`
Dec 17 23:30:35.972 INFO [stderr]  --> src/main.rs:5:7
Dec 17 23:30:35.972 INFO [stderr]   |
Dec 17 23:30:35.972 INFO [stderr] 5 |   let stdin = io::stdin();
Dec 17 23:30:35.975 INFO [stderr]   |       ^^^^^ help: consider using `_stdin` instead
Dec 17 23:30:35.975 INFO [stderr]   |
Dec 17 23:30:35.975 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 17 23:30:35.975 INFO [stderr] 
Dec 17 23:30:36.012 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 17 23:30:36.520 INFO running `"docker" "inspect" "872641d2f0730e7cc270c819ff147ecca3180d4938764bf8ce40306c52dbc07e"`
Dec 17 23:30:36.730 INFO running `"docker" "rm" "-f" "872641d2f0730e7cc270c819ff147ecca3180d4938764bf8ce40306c52dbc07e"`
Dec 17 23:30:36.992 INFO [stdout] 872641d2f0730e7cc270c819ff147ecca3180d4938764bf8ce40306c52dbc07e