Dec 11 16:07:42.025 INFO checking jonny7/rust-ownership against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 16:07:42.025 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 16:07:42.547 INFO [stdout] 19b47cf17188442bff0f61c35b3f5a51cb97f0d2c92c2c7e575ae9794db8f571
Dec 11 16:07:42.547 INFO running `"docker" "start" "-a" "19b47cf17188442bff0f61c35b3f5a51cb97f0d2c92c2c7e575ae9794db8f571"`
Dec 11 16:07:43.182 INFO [stderr] usermod: no changes
Dec 11 16:07:43.213 INFO [stderr]     Checking ownership v0.1.0 (/source)
Dec 11 16:07:43.507 INFO [stderr] warning: unused variable: `s1`
Dec 11 16:07:43.507 INFO [stderr]   --> src/main.rs:27:9
Dec 11 16:07:43.507 INFO [stderr]    |
Dec 11 16:07:43.507 INFO [stderr] 27 |     let s1 = gives_ownership();         // gives_ownership moves its return
Dec 11 16:07:43.507 INFO [stderr]    |         ^^ help: consider using `_s1` instead
Dec 11 16:07:43.507 INFO [stderr]    |
Dec 11 16:07:43.507 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:07:43.507 INFO [stderr] 
Dec 11 16:07:43.509 INFO [stderr] warning: unused variable: `s3`
Dec 11 16:07:43.509 INFO [stderr]   --> src/main.rs:32:9
Dec 11 16:07:43.509 INFO [stderr]    |
Dec 11 16:07:43.509 INFO [stderr] 32 |     let s3 = takes_and_gives_back(s2);  // s2 is moved into
Dec 11 16:07:43.509 INFO [stderr]    |         ^^ help: consider using `_s3` instead
Dec 11 16:07:43.509 INFO [stderr] 
Dec 11 16:07:43.596 INFO [stderr] warning: unused variable: `s1`
Dec 11 16:07:43.596 INFO [stderr]   --> src/main.rs:27:9
Dec 11 16:07:43.596 INFO [stderr]    |
Dec 11 16:07:43.596 INFO [stderr] 27 |     let s1 = gives_ownership();         // gives_ownership moves its return
Dec 11 16:07:43.596 INFO [stderr]    |         ^^ help: consider using `_s1` instead
Dec 11 16:07:43.596 INFO [stderr]    |
Dec 11 16:07:43.596 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 16:07:43.596 INFO [stderr] 
Dec 11 16:07:43.596 INFO [stderr] warning: unused variable: `s3`
Dec 11 16:07:43.596 INFO [stderr]   --> src/main.rs:32:9
Dec 11 16:07:43.596 INFO [stderr]    |
Dec 11 16:07:43.596 INFO [stderr] 32 |     let s3 = takes_and_gives_back(s2);  // s2 is moved into
Dec 11 16:07:43.596 INFO [stderr]    |         ^^ help: consider using `_s3` instead
Dec 11 16:07:43.596 INFO [stderr] 
Dec 11 16:07:43.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 11 16:07:43.617 INFO [stderr] su: No module specific data is present
Dec 11 16:07:43.913 INFO running `"docker" "inspect" "19b47cf17188442bff0f61c35b3f5a51cb97f0d2c92c2c7e575ae9794db8f571"`
Dec 11 16:07:44.011 INFO running `"docker" "rm" "-f" "19b47cf17188442bff0f61c35b3f5a51cb97f0d2c92c2c7e575ae9794db8f571"`
Dec 11 16:07:44.125 INFO [stdout] 19b47cf17188442bff0f61c35b3f5a51cb97f0d2c92c2c7e575ae9794db8f571