Nov 07 13:54:54.611 INFO checking handoff_counter-0.8.5 against master#24e66c28980442a48d9458f1a4f9b76cc722dc8a for pr-55687
Nov 07 13:54:54.611 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55687/worker-4/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-55687/master#24e66c28980442a48d9458f1a4f9b76cc722dc8a:/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 +24e66c28980442a48d9458f1a4f9b76cc722dc8a-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 07 13:54:55.036 INFO blam! 076e5238162d8d3a56f1e99694b3d99828951750edbdca82210dd13f9e9a2cbd
Nov 07 13:54:55.038 INFO running `"docker" "start" "-a" "076e5238162d8d3a56f1e99694b3d99828951750edbdca82210dd13f9e9a2cbd"`
Nov 07 13:54:57.381 INFO kablam! usermod: no changes
Nov 07 13:54:57.484 INFO kablam!     Checking handoff_counter v0.8.5 (/source)
Nov 07 13:54:58.228 INFO kablam! warning: variable does not need to be mutable
Nov 07 13:54:58.228 INFO kablam!   --> src/handoff_counter.rs:55:13
Nov 07 13:54:58.228 INFO kablam!    |
Nov 07 13:54:58.228 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Nov 07 13:54:58.228 INFO kablam!    |             ----^
Nov 07 13:54:58.228 INFO kablam!    |             |
Nov 07 13:54:58.228 INFO kablam!    |             help: remove this `mut`
Nov 07 13:54:58.228 INFO kablam!    |
Nov 07 13:54:58.228 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 13:54:58.228 INFO kablam! 
Nov 07 13:54:58.372 INFO kablam! warning: variable does not need to be mutable
Nov 07 13:54:58.372 INFO kablam!   --> src/handoff_counter.rs:55:13
Nov 07 13:54:58.372 INFO kablam!    |
Nov 07 13:54:58.372 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Nov 07 13:54:58.372 INFO kablam!    |             ----^
Nov 07 13:54:58.373 INFO kablam!    |             |
Nov 07 13:54:58.373 INFO kablam!    |             help: remove this `mut`
Nov 07 13:54:58.373 INFO kablam!    |
Nov 07 13:54:58.373 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 07 13:54:58.373 INFO kablam! 
Nov 07 13:54:59.144 INFO kablam! warning: type alias is never used: `Env`
Nov 07 13:54:59.144 INFO kablam!   --> src/bin/simulate.rs:14:1
Nov 07 13:54:59.144 INFO kablam!    |
Nov 07 13:54:59.144 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Nov 07 13:54:59.144 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 13:54:59.144 INFO kablam!    |
Nov 07 13:54:59.144 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 07 13:54:59.144 INFO kablam! 
Nov 07 13:54:59.394 INFO kablam! warning: type alias is never used: `Env`
Nov 07 13:54:59.394 INFO kablam!   --> src/bin/simulate.rs:14:1
Nov 07 13:54:59.394 INFO kablam!    |
Nov 07 13:54:59.394 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Nov 07 13:54:59.394 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 07 13:54:59.395 INFO kablam!    |
Nov 07 13:54:59.395 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 07 13:54:59.395 INFO kablam! 
Nov 07 13:54:59.416 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.00s
Nov 07 13:54:59.419 INFO kablam! su: No module specific data is present
Nov 07 13:55:00.210 INFO running `"docker" "rm" "-f" "076e5238162d8d3a56f1e99694b3d99828951750edbdca82210dd13f9e9a2cbd"`
Nov 07 13:55:00.551 INFO blam! 076e5238162d8d3a56f1e99694b3d99828951750edbdca82210dd13f9e9a2cbd