Nov 28 23:59:19.294 INFO checking handoff_counter-0.8.5 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 23:59:19.294 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-1/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 23:59:19.692 INFO [stdout] 0fc1af20dd2613227544ee57ce5b9187a430852ce9651ab4af5a70271d8ec436
Nov 28 23:59:19.700 INFO running `"docker" "start" "-a" "0fc1af20dd2613227544ee57ce5b9187a430852ce9651ab4af5a70271d8ec436"`
Nov 28 23:59:21.091 INFO [stderr] usermod: no changes
Nov 28 23:59:21.204 INFO [stderr]     Checking handoff_counter v0.8.5 (/source)
Nov 28 23:59:22.212 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:59:22.212 INFO [stderr]   --> src/handoff_counter.rs:55:13
Nov 28 23:59:22.212 INFO [stderr]    |
Nov 28 23:59:22.212 INFO [stderr] 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Nov 28 23:59:22.212 INFO [stderr]    |             ----^
Nov 28 23:59:22.212 INFO [stderr]    |             |
Nov 28 23:59:22.212 INFO [stderr]    |             help: remove this `mut`
Nov 28 23:59:22.212 INFO [stderr]    |
Nov 28 23:59:22.212 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 23:59:22.212 INFO [stderr] 
Nov 28 23:59:22.300 INFO [stderr] warning: variable does not need to be mutable
Nov 28 23:59:22.300 INFO [stderr]   --> src/handoff_counter.rs:55:13
Nov 28 23:59:22.300 INFO [stderr]    |
Nov 28 23:59:22.300 INFO [stderr] 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Nov 28 23:59:22.300 INFO [stderr]    |             ----^
Nov 28 23:59:22.300 INFO [stderr]    |             |
Nov 28 23:59:22.300 INFO [stderr]    |             help: remove this `mut`
Nov 28 23:59:22.300 INFO [stderr]    |
Nov 28 23:59:22.300 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 23:59:22.300 INFO [stderr] 
Nov 28 23:59:23.380 INFO [stderr] warning: type alias is never used: `Env`
Nov 28 23:59:23.380 INFO [stderr]   --> src/bin/simulate.rs:14:1
Nov 28 23:59:23.380 INFO [stderr]    |
Nov 28 23:59:23.391 INFO [stderr] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Nov 28 23:59:23.391 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:59:23.391 INFO [stderr]    |
Nov 28 23:59:23.391 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 23:59:23.391 INFO [stderr] 
Nov 28 23:59:23.748 INFO [stderr] warning: type alias is never used: `Env`
Nov 28 23:59:23.748 INFO [stderr]   --> src/bin/simulate.rs:14:1
Nov 28 23:59:23.748 INFO [stderr]    |
Nov 28 23:59:23.748 INFO [stderr] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Nov 28 23:59:23.748 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 28 23:59:23.748 INFO [stderr]    |
Nov 28 23:59:23.750 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 28 23:59:23.750 INFO [stderr] 
Nov 28 23:59:23.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
Nov 28 23:59:23.789 INFO [stderr] su: No module specific data is present
Nov 28 23:59:24.298 INFO running `"docker" "inspect" "0fc1af20dd2613227544ee57ce5b9187a430852ce9651ab4af5a70271d8ec436"`
Nov 28 23:59:24.390 INFO running `"docker" "rm" "-f" "0fc1af20dd2613227544ee57ce5b9187a430852ce9651ab4af5a70271d8ec436"`
Nov 28 23:59:24.476 INFO [stdout] 0fc1af20dd2613227544ee57ce5b9187a430852ce9651ab4af5a70271d8ec436