Nov 30 00:42:05.842 INFO checking jonny7/rust-references against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 00:42:05.842 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 00:42:06.258 INFO [stdout] 31d5e98fe678778063705b8c7643b99f284375e1296b5c526a8c34eb59eef60c
Nov 30 00:42:06.260 INFO running `"docker" "start" "-a" "31d5e98fe678778063705b8c7643b99f284375e1296b5c526a8c34eb59eef60c"`
Nov 30 00:42:07.252 INFO [stderr] usermod: no changes
Nov 30 00:42:07.304 INFO [stderr]     Checking references v0.1.0 (/source)
Nov 30 00:42:07.603 INFO [stderr] warning: unused variable: `r1`
Nov 30 00:42:07.603 INFO [stderr]   --> src/main.rs:23:13
Nov 30 00:42:07.603 INFO [stderr]    |
Nov 30 00:42:07.603 INFO [stderr] 23 |         let r1 = &mut t;
Nov 30 00:42:07.603 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Nov 30 00:42:07.603 INFO [stderr]    |
Nov 30 00:42:07.603 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:42:07.603 INFO [stderr] 
Nov 30 00:42:07.603 INFO [stderr] warning: unused variable: `r2`
Nov 30 00:42:07.603 INFO [stderr]   --> src/main.rs:27:9
Nov 30 00:42:07.603 INFO [stderr]    |
Nov 30 00:42:07.603 INFO [stderr] 27 |     let r2 = &mut t;
Nov 30 00:42:07.603 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Nov 30 00:42:07.603 INFO [stderr] 
Nov 30 00:42:07.692 INFO [stderr] warning: unused variable: `r1`
Nov 30 00:42:07.692 INFO [stderr]   --> src/main.rs:23:13
Nov 30 00:42:07.692 INFO [stderr]    |
Nov 30 00:42:07.692 INFO [stderr] 23 |         let r1 = &mut t;
Nov 30 00:42:07.692 INFO [stderr]    |             ^^ help: consider using `_r1` instead
Nov 30 00:42:07.692 INFO [stderr]    |
Nov 30 00:42:07.692 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:42:07.692 INFO [stderr] 
Nov 30 00:42:07.692 INFO [stderr] warning: unused variable: `r2`
Nov 30 00:42:07.692 INFO [stderr]   --> src/main.rs:27:9
Nov 30 00:42:07.692 INFO [stderr]    |
Nov 30 00:42:07.692 INFO [stderr] 27 |     let r2 = &mut t;
Nov 30 00:42:07.692 INFO [stderr]    |         ^^ help: consider using `_r2` instead
Nov 30 00:42:07.692 INFO [stderr] 
Nov 30 00:42:07.707 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
Nov 30 00:42:07.715 INFO [stderr] su: No module specific data is present
Nov 30 00:42:08.319 INFO running `"docker" "inspect" "31d5e98fe678778063705b8c7643b99f284375e1296b5c526a8c34eb59eef60c"`
Nov 30 00:42:08.610 INFO running `"docker" "rm" "-f" "31d5e98fe678778063705b8c7643b99f284375e1296b5c526a8c34eb59eef60c"`
Nov 30 00:42:08.852 INFO [stdout] 31d5e98fe678778063705b8c7643b99f284375e1296b5c526a8c34eb59eef60c