Nov 30 19:49:06.686 INFO checking lru2-0.1.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 19:49:06.686 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 19:49:06.890 INFO [stdout] 45fc99d3df3aa95d3d19e199f4544816f70d74ebfe5a9489681398527b156333
Nov 30 19:49:06.894 INFO running `"docker" "start" "-a" "45fc99d3df3aa95d3d19e199f4544816f70d74ebfe5a9489681398527b156333"`
Nov 30 19:49:07.332 INFO [stderr] usermod: no changes
Nov 30 19:49:07.368 INFO [stderr]     Checking lru2 v0.1.0 (/source)
Nov 30 19:49:07.870 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:49:07.870 INFO [stderr]   --> src/cache/mod.rs:57:13
Nov 30 19:49:07.870 INFO [stderr]    |
Nov 30 19:49:07.870 INFO [stderr] 57 |         let mut cache: &mut Register<C::LowerKey, C::Payload> = unsafe{ &mut **self.register.get(upper_key).unwrap() };
Nov 30 19:49:07.870 INFO [stderr]    |             ----^^^^^
Nov 30 19:49:07.870 INFO [stderr]    |             |
Nov 30 19:49:07.870 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:49:07.870 INFO [stderr]    |
Nov 30 19:49:07.870 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:49:07.870 INFO [stderr] 
Nov 30 19:49:08.269 INFO [stderr] warning: variable does not need to be mutable
Nov 30 19:49:08.269 INFO [stderr]   --> src/cache/mod.rs:57:13
Nov 30 19:49:08.269 INFO [stderr]    |
Nov 30 19:49:08.269 INFO [stderr] 57 |         let mut cache: &mut Register<C::LowerKey, C::Payload> = unsafe{ &mut **self.register.get(upper_key).unwrap() };
Nov 30 19:49:08.269 INFO [stderr]    |             ----^^^^^
Nov 30 19:49:08.269 INFO [stderr]    |             |
Nov 30 19:49:08.269 INFO [stderr]    |             help: remove this `mut`
Nov 30 19:49:08.269 INFO [stderr]    |
Nov 30 19:49:08.269 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 19:49:08.269 INFO [stderr] 
Nov 30 19:49:08.319 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Nov 30 19:49:08.322 INFO [stderr] su: No module specific data is present
Nov 30 19:49:08.562 INFO running `"docker" "inspect" "45fc99d3df3aa95d3d19e199f4544816f70d74ebfe5a9489681398527b156333"`
Nov 30 19:49:08.695 INFO running `"docker" "rm" "-f" "45fc99d3df3aa95d3d19e199f4544816f70d74ebfe5a9489681398527b156333"`
Nov 30 19:49:08.885 INFO [stdout] 45fc99d3df3aa95d3d19e199f4544816f70d74ebfe5a9489681398527b156333