Dec 17 22:06:49.231 INFO checking jonny7/rust-ownership against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 22:06:49.231 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/jonny7/rust-ownership:/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 22:06:49.636 INFO [stdout] e0c89907e3df645ec4e550a84c784439dc59814fdb07da8b6fa5c4e5f78c7e8b
Dec 17 22:06:49.638 INFO running `"docker" "start" "-a" "e0c89907e3df645ec4e550a84c784439dc59814fdb07da8b6fa5c4e5f78c7e8b"`
Dec 17 22:06:51.412 INFO [stderr]     Checking ownership v0.1.0 (/opt/crater/workdir)
Dec 17 22:06:51.632 INFO [stderr] warning: unused variable: `s1`
Dec 17 22:06:51.632 INFO [stderr]   --> src/main.rs:27:9
Dec 17 22:06:51.632 INFO [stderr]    |
Dec 17 22:06:51.632 INFO [stderr] 27 |     let s1 = gives_ownership();         // gives_ownership moves its return
Dec 17 22:06:51.632 INFO [stderr]    |         ^^ help: consider using `_s1` instead
Dec 17 22:06:51.632 INFO [stderr]    |
Dec 17 22:06:51.632 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:06:51.632 INFO [stderr] 
Dec 17 22:06:51.632 INFO [stderr] warning: unused variable: `s3`
Dec 17 22:06:51.632 INFO [stderr]   --> src/main.rs:32:9
Dec 17 22:06:51.632 INFO [stderr]    |
Dec 17 22:06:51.632 INFO [stderr] 32 |     let s3 = takes_and_gives_back(s2);  // s2 is moved into
Dec 17 22:06:51.632 INFO [stderr]    |         ^^ help: consider using `_s3` instead
Dec 17 22:06:51.632 INFO [stderr] 
Dec 17 22:06:51.776 INFO [stderr] warning: unused variable: `s1`
Dec 17 22:06:51.776 INFO [stderr]   --> src/main.rs:27:9
Dec 17 22:06:51.777 INFO [stderr]    |
Dec 17 22:06:51.777 INFO [stderr] 27 |     let s1 = gives_ownership();         // gives_ownership moves its return
Dec 17 22:06:51.777 INFO [stderr]    |         ^^ help: consider using `_s1` instead
Dec 17 22:06:51.777 INFO [stderr]    |
Dec 17 22:06:51.780 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 22:06:51.780 INFO [stderr] 
Dec 17 22:06:51.780 INFO [stderr] warning: unused variable: `s3`
Dec 17 22:06:51.780 INFO [stderr]   --> src/main.rs:32:9
Dec 17 22:06:51.780 INFO [stderr]    |
Dec 17 22:06:51.780 INFO [stderr] 32 |     let s3 = takes_and_gives_back(s2);  // s2 is moved into
Dec 17 22:06:51.780 INFO [stderr]    |         ^^ help: consider using `_s3` instead
Dec 17 22:06:51.780 INFO [stderr] 
Dec 17 22:06:51.852 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Dec 17 22:06:52.442 INFO running `"docker" "inspect" "e0c89907e3df645ec4e550a84c784439dc59814fdb07da8b6fa5c4e5f78c7e8b"`
Dec 17 22:06:52.714 INFO running `"docker" "rm" "-f" "e0c89907e3df645ec4e550a84c784439dc59814fdb07da8b6fa5c4e5f78c7e8b"`
Dec 17 22:06:53.040 INFO [stdout] e0c89907e3df645ec4e550a84c784439dc59814fdb07da8b6fa5c4e5f78c7e8b