Nov 30 21:22:20.346 INFO checking handoff_counter-0.8.5 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 21:22:20.346 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-3/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 21:22:20.839 INFO [stdout] 09f8805e1ab737404d3dfd1483ace2392a70e741529135d12675440bd7bc8daa
Nov 30 21:22:20.842 INFO running `"docker" "start" "-a" "09f8805e1ab737404d3dfd1483ace2392a70e741529135d12675440bd7bc8daa"`
Nov 30 21:22:23.400 INFO [stderr] usermod: no changes
Nov 30 21:22:23.548 INFO [stderr]     Checking handoff_counter v0.8.5 (/source)
Nov 30 21:22:24.360 INFO [stderr] warning: variable does not need to be mutable
Nov 30 21:22:24.360 INFO [stderr]   --> src/handoff_counter.rs:55:13
Nov 30 21:22:24.360 INFO [stderr]    |
Nov 30 21:22:24.360 INFO [stderr] 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Nov 30 21:22:24.360 INFO [stderr]    |             ----^
Nov 30 21:22:24.360 INFO [stderr]    |             |
Nov 30 21:22:24.360 INFO [stderr]    |             help: remove this `mut`
Nov 30 21:22:24.360 INFO [stderr]    |
Nov 30 21:22:24.360 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 21:22:24.360 INFO [stderr] 
Nov 30 21:22:24.500 INFO [stderr] warning: variable does not need to be mutable
Nov 30 21:22:24.500 INFO [stderr]   --> src/handoff_counter.rs:55:13
Nov 30 21:22:24.500 INFO [stderr]    |
Nov 30 21:22:24.500 INFO [stderr] 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Nov 30 21:22:24.500 INFO [stderr]    |             ----^
Nov 30 21:22:24.500 INFO [stderr]    |             |
Nov 30 21:22:24.500 INFO [stderr]    |             help: remove this `mut`
Nov 30 21:22:24.500 INFO [stderr]    |
Nov 30 21:22:24.500 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 21:22:24.500 INFO [stderr] 
Nov 30 21:22:25.748 INFO [stderr] warning: type alias is never used: `Env`
Nov 30 21:22:25.748 INFO [stderr]   --> src/bin/simulate.rs:14:1
Nov 30 21:22:25.748 INFO [stderr]    |
Nov 30 21:22:25.748 INFO [stderr] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Nov 30 21:22:25.748 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 21:22:25.764 INFO [stderr]    |
Nov 30 21:22:25.764 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 21:22:25.764 INFO [stderr] 
Nov 30 21:22:25.860 INFO [stderr] warning: type alias is never used: `Env`
Nov 30 21:22:25.860 INFO [stderr]   --> src/bin/simulate.rs:14:1
Nov 30 21:22:25.860 INFO [stderr]    |
Nov 30 21:22:25.860 INFO [stderr] 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Nov 30 21:22:25.860 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 21:22:25.860 INFO [stderr]    |
Nov 30 21:22:25.860 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 21:22:25.860 INFO [stderr] 
Nov 30 21:22:25.887 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
Nov 30 21:22:25.897 INFO [stderr] su: No module specific data is present
Nov 30 21:22:26.747 INFO running `"docker" "inspect" "09f8805e1ab737404d3dfd1483ace2392a70e741529135d12675440bd7bc8daa"`
Nov 30 21:22:26.978 INFO running `"docker" "rm" "-f" "09f8805e1ab737404d3dfd1483ace2392a70e741529135d12675440bd7bc8daa"`
Nov 30 21:22:27.220 INFO [stdout] 09f8805e1ab737404d3dfd1483ace2392a70e741529135d12675440bd7bc8daa