Nov 30 08:06:41.969 INFO checking VaclavStebra/rust-book-references-and-borrowing against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 08:06:41.969 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-5/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 08:06:42.352 INFO [stdout] d8032ea041447ed245bff41c4d818d8b853f2cadb058a73f3939488c85c39982
Nov 30 08:06:42.354 INFO running `"docker" "start" "-a" "d8032ea041447ed245bff41c4d818d8b853f2cadb058a73f3939488c85c39982"`
Nov 30 08:06:43.148 INFO [stderr] usermod: no changes
Nov 30 08:06:43.200 INFO [stderr]     Checking rust-book-references-and-borrowing v0.1.0 (/source)
Nov 30 08:06:43.644 INFO [stderr] warning: unused variable: `r1`
Nov 30 08:06:43.644 INFO [stderr]   --> src/main.rs:20:9
Nov 30 08:06:43.644 INFO [stderr]    |
Nov 30 08:06:43.644 INFO [stderr] 20 |     let r1 = &mut s2;
Nov 30 08:06:43.644 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Nov 30 08:06:43.644 INFO [stderr]    |
Nov 30 08:06:43.644 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:06:43.644 INFO [stderr] 
Nov 30 08:06:43.772 INFO [stderr] warning: unused variable: `r1`
Nov 30 08:06:43.772 INFO [stderr]   --> src/main.rs:20:9
Nov 30 08:06:43.772 INFO [stderr]    |
Nov 30 08:06:43.772 INFO [stderr] 20 |     let r1 = &mut s2;
Nov 30 08:06:43.772 INFO [stderr]    |         ^^ help: consider using `_r1` instead
Nov 30 08:06:43.772 INFO [stderr]    |
Nov 30 08:06:43.772 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 08:06:43.772 INFO [stderr] 
Nov 30 08:06:43.786 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Nov 30 08:06:43.788 INFO [stderr] su: No module specific data is present
Nov 30 08:06:44.122 INFO running `"docker" "inspect" "d8032ea041447ed245bff41c4d818d8b853f2cadb058a73f3939488c85c39982"`
Nov 30 08:06:44.249 INFO running `"docker" "rm" "-f" "d8032ea041447ed245bff41c4d818d8b853f2cadb058a73f3939488c85c39982"`
Nov 30 08:06:44.370 INFO [stdout] d8032ea041447ed245bff41c4d818d8b853f2cadb058a73f3939488c85c39982