Oct 13 13:55:48.756 INFO checking handoff_counter-0.8.5 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 13:55:48.756 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-1/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 13:55:48.980 INFO blam! 01ca4e7a8c3c6593f871a99db0705f375e5b23ae815005b82a4e12c4c2c48cb1
Oct 13 13:55:48.984 INFO running `"docker" "start" "-a" "01ca4e7a8c3c6593f871a99db0705f375e5b23ae815005b82a4e12c4c2c48cb1"`
Oct 13 13:55:49.431 INFO kablam! usermod: no changes
Oct 13 13:55:49.476 INFO kablam!     Checking handoff_counter v0.8.5 (/source)
Oct 13 13:55:50.404 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:55:50.404 INFO kablam!   --> src/handoff_counter.rs:55:13
Oct 13 13:55:50.404 INFO kablam!    |
Oct 13 13:55:50.404 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Oct 13 13:55:50.404 INFO kablam!    |             ----^
Oct 13 13:55:50.404 INFO kablam!    |             |
Oct 13 13:55:50.404 INFO kablam!    |             help: remove this `mut`
Oct 13 13:55:50.404 INFO kablam!    |
Oct 13 13:55:50.404 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 13:55:50.404 INFO kablam! 
Oct 13 13:55:50.477 INFO kablam! warning: variable does not need to be mutable
Oct 13 13:55:50.488 INFO kablam!   --> src/handoff_counter.rs:55:13
Oct 13 13:55:50.488 INFO kablam!    |
Oct 13 13:55:50.488 INFO kablam! 55 |         let mut v = self.vals.get_mut(&self.id).unwrap();
Oct 13 13:55:50.488 INFO kablam!    |             ----^
Oct 13 13:55:50.488 INFO kablam!    |             |
Oct 13 13:55:50.488 INFO kablam!    |             help: remove this `mut`
Oct 13 13:55:50.488 INFO kablam!    |
Oct 13 13:55:50.488 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 13 13:55:50.488 INFO kablam! 
Oct 13 13:55:51.596 INFO kablam! warning: type alias is never used: `Env`
Oct 13 13:55:51.596 INFO kablam!   --> src/bin/simulate.rs:14:1
Oct 13 13:55:51.596 INFO kablam!    |
Oct 13 13:55:51.596 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Oct 13 13:55:51.596 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 13:55:51.596 INFO kablam!    |
Oct 13 13:55:51.596 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 13:55:51.596 INFO kablam! 
Oct 13 13:55:51.916 INFO kablam! warning: type alias is never used: `Env`
Oct 13 13:55:51.916 INFO kablam!   --> src/bin/simulate.rs:14:1
Oct 13 13:55:51.916 INFO kablam!    |
Oct 13 13:55:51.916 INFO kablam! 14 | type Env<'a> = HashMap<&'a str, Cnt<'a>>;
Oct 13 13:55:51.916 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 13 13:55:51.916 INFO kablam!    |
Oct 13 13:55:51.916 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 13 13:55:51.916 INFO kablam! 
Oct 13 13:55:51.930 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.47s
Oct 13 13:55:51.933 INFO kablam! su: No module specific data is present
Oct 13 13:55:52.270 INFO running `"docker" "rm" "-f" "01ca4e7a8c3c6593f871a99db0705f375e5b23ae815005b82a4e12c4c2c48cb1"`
Oct 13 13:55:52.372 INFO blam! 01ca4e7a8c3c6593f871a99db0705f375e5b23ae815005b82a4e12c4c2c48cb1