Oct 13 02:10:01.093 INFO checking VaclavStebra/rust-book-references-and-borrowing against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 02:10:01.093 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 02:10:01.448 INFO blam! 4d89a9a987e1014a7bbdc075db24932c25c036d3eb7207364d0175cb3c0e181a
Oct 13 02:10:01.452 INFO running `"docker" "start" "-a" "4d89a9a987e1014a7bbdc075db24932c25c036d3eb7207364d0175cb3c0e181a"`
Oct 13 02:10:01.905 INFO kablam! usermod: no changes
Oct 13 02:10:01.948 INFO kablam!     Checking rust-book-references-and-borrowing v0.1.0 (/source)
Oct 13 02:10:02.370 INFO kablam! warning: unused variable: `r1`
Oct 13 02:10:02.371 INFO kablam!   --> src/main.rs:20:9
Oct 13 02:10:02.371 INFO kablam!    |
Oct 13 02:10:02.371 INFO kablam! 20 |     let r1 = &mut s2;
Oct 13 02:10:02.372 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 13 02:10:02.374 INFO kablam!    |
Oct 13 02:10:02.374 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 02:10:02.374 INFO kablam! 
Oct 13 02:10:02.470 INFO kablam! warning: unused variable: `r1`
Oct 13 02:10:02.470 INFO kablam!   --> src/main.rs:20:9
Oct 13 02:10:02.470 INFO kablam!    |
Oct 13 02:10:02.470 INFO kablam! 20 |     let r1 = &mut s2;
Oct 13 02:10:02.470 INFO kablam!    |         ^^ help: consider using `_r1` instead
Oct 13 02:10:02.470 INFO kablam!    |
Oct 13 02:10:02.470 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 02:10:02.470 INFO kablam! 
Oct 13 02:10:02.483 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
Oct 13 02:10:02.488 INFO kablam! su: No module specific data is present
Oct 13 02:10:02.811 INFO running `"docker" "rm" "-f" "4d89a9a987e1014a7bbdc075db24932c25c036d3eb7207364d0175cb3c0e181a"`
Oct 13 02:10:02.927 INFO blam! 4d89a9a987e1014a7bbdc075db24932c25c036d3eb7207364d0175cb3c0e181a