Nov 07 02:25:26.665 INFO checking VaclavStebra/rust-book-references-and-borrowing against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 02:25:26.665 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-6/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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"`
Nov 07 02:25:26.917 INFO blam! 4764164c4f2e86a8deabd8cbd8f0910ae0df1ac4ee24df7898f4199ffc7a85f2
Nov 07 02:25:26.924 INFO running `"docker" "start" "-a" "4764164c4f2e86a8deabd8cbd8f0910ae0df1ac4ee24df7898f4199ffc7a85f2"`
Nov 07 02:25:27.480 INFO kablam! usermod: no changes
Nov 07 02:25:27.519 INFO kablam!     Checking rust-book-references-and-borrowing v0.1.0 (/source)
Nov 07 02:25:28.080 INFO kablam! warning: unused variable: `r1`
Nov 07 02:25:28.080 INFO kablam!   --> src/main.rs:20:9
Nov 07 02:25:28.080 INFO kablam!    |
Nov 07 02:25:28.080 INFO kablam! 20 |     let r1 = &mut s2;
Nov 07 02:25:28.080 INFO kablam!    |         ^^ help: consider using `_r1` instead
Nov 07 02:25:28.080 INFO kablam!    |
Nov 07 02:25:28.080 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 07 02:25:28.080 INFO kablam! 
Nov 07 02:25:28.172 INFO kablam! warning: unused variable: `r1`
Nov 07 02:25:28.172 INFO kablam!   --> src/main.rs:20:9
Nov 07 02:25:28.172 INFO kablam!    |
Nov 07 02:25:28.172 INFO kablam! 20 |     let r1 = &mut s2;
Nov 07 02:25:28.172 INFO kablam!    |         ^^ help: consider using `_r1` instead
Nov 07 02:25:28.172 INFO kablam!    |
Nov 07 02:25:28.172 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 07 02:25:28.172 INFO kablam! 
Nov 07 02:25:28.195 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
Nov 07 02:25:28.198 INFO kablam! su: No module specific data is present
Nov 07 02:25:28.538 INFO running `"docker" "rm" "-f" "4764164c4f2e86a8deabd8cbd8f0910ae0df1ac4ee24df7898f4199ffc7a85f2"`
Nov 07 02:25:28.623 INFO blam! 4764164c4f2e86a8deabd8cbd8f0910ae0df1ac4ee24df7898f4199ffc7a85f2