Dec 04 16:25:24.204 INFO checking jonny7/rust-references against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:25:24.204 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 16:25:24.683 INFO [stdout] f2a835c20dfe3e1bc2ceb42cb862ebd6aa986615ce7a8e99effa73573605227d
Dec 04 16:25:24.686 INFO running `"docker" "start" "-a" "f2a835c20dfe3e1bc2ceb42cb862ebd6aa986615ce7a8e99effa73573605227d"`
Dec 04 16:25:27.507 INFO [stderr] usermod: no changes
Dec 04 16:25:27.563 INFO [stderr]     Checking references v0.1.0 (/source)
Dec 04 16:25:27.947 INFO [stderr] warning: unused variable: `r1`
Dec 04 16:25:27.947 INFO [stderr]   --> src/main.rs:23:13
Dec 04 16:25:27.947 INFO [stderr]    |
Dec 04 16:25:27.947 INFO [stderr] 23 |         let r1 = &mut t;
Dec 04 16:25:27.947 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Dec 04 16:25:27.947 INFO [stderr]    |
Dec 04 16:25:27.947 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:25:27.947 INFO [stderr] 
Dec 04 16:25:27.947 INFO [stderr] warning: unused variable: `r2`
Dec 04 16:25:27.947 INFO [stderr]   --> src/main.rs:27:9
Dec 04 16:25:27.947 INFO [stderr]    |
Dec 04 16:25:27.947 INFO [stderr] 27 |     let r2 = &mut t;
Dec 04 16:25:27.947 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Dec 04 16:25:27.947 INFO [stderr] 
Dec 04 16:25:28.280 INFO [stderr] warning: unused variable: `r1`
Dec 04 16:25:28.280 INFO [stderr]   --> src/main.rs:23:13
Dec 04 16:25:28.280 INFO [stderr]    |
Dec 04 16:25:28.280 INFO [stderr] 23 |         let r1 = &mut t;
Dec 04 16:25:28.280 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Dec 04 16:25:28.280 INFO [stderr]    |
Dec 04 16:25:28.280 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:25:28.280 INFO [stderr] 
Dec 04 16:25:28.280 INFO [stderr] warning: unused variable: `r2`
Dec 04 16:25:28.280 INFO [stderr]   --> src/main.rs:27:9
Dec 04 16:25:28.280 INFO [stderr]    |
Dec 04 16:25:28.280 INFO [stderr] 27 |     let r2 = &mut t;
Dec 04 16:25:28.280 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Dec 04 16:25:28.280 INFO [stderr] 
Dec 04 16:25:28.306 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
Dec 04 16:25:28.313 INFO [stderr] su: No module specific data is present
Dec 04 16:25:29.152 INFO running `"docker" "inspect" "f2a835c20dfe3e1bc2ceb42cb862ebd6aa986615ce7a8e99effa73573605227d"`
Dec 04 16:25:29.423 INFO running `"docker" "rm" "-f" "f2a835c20dfe3e1bc2ceb42cb862ebd6aa986615ce7a8e99effa73573605227d"`
Dec 04 16:25:29.576 INFO [stdout] f2a835c20dfe3e1bc2ceb42cb862ebd6aa986615ce7a8e99effa73573605227d