Sep 02 07:01:06.211 INFO checking multimap-0.4.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 07:01:06.211 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 07:01:06.211 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 07:01:06.391 INFO blam! 94568a1cdf779b7baa31d4055c3c225dfaaf5bf06fff9b8a1f6ee87c5d1e508d
Sep 02 07:01:06.392 INFO running `"docker" "start" "-a" "94568a1cdf779b7baa31d4055c3c225dfaaf5bf06fff9b8a1f6ee87c5d1e508d"`
Sep 02 07:01:07.084 INFO kablam!     Checking multimap v0.4.0 (file:///source)
Sep 02 07:01:07.866 INFO kablam! warning: variable does not need to be mutable
Sep 02 07:01:07.866 INFO kablam!    --> src/lib.rs:249:36
Sep 02 07:01:07.866 INFO kablam!     |
Sep 02 07:01:07.866 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Sep 02 07:01:07.866 INFO kablam!     |                                    ----^
Sep 02 07:01:07.866 INFO kablam!     |                                    |
Sep 02 07:01:07.866 INFO kablam!     |                                    help: remove this `mut`
Sep 02 07:01:07.866 INFO kablam!     |
Sep 02 07:01:07.866 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 07:01:07.866 INFO kablam! 
Sep 02 07:01:07.882 INFO kablam! warning: variable does not need to be mutable
Sep 02 07:01:07.882 INFO kablam!    --> src/lib.rs:590:18
Sep 02 07:01:07.882 INFO kablam!     |
Sep 02 07:01:07.882 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Sep 02 07:01:07.882 INFO kablam!     |                  ----^^^^
Sep 02 07:01:07.882 INFO kablam!     |                  |
Sep 02 07:01:07.882 INFO kablam!     |                  help: remove this `mut`
Sep 02 07:01:07.882 INFO kablam! 
Sep 02 07:01:08.361 INFO kablam! warning: variable does not need to be mutable
Sep 02 07:01:08.361 INFO kablam!    --> src/lib.rs:249:36
Sep 02 07:01:08.361 INFO kablam!     |
Sep 02 07:01:08.361 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Sep 02 07:01:08.362 INFO kablam!     |                                    ----^
Sep 02 07:01:08.362 INFO kablam!     |                                    |
Sep 02 07:01:08.362 INFO kablam!     |                                    help: remove this `mut`
Sep 02 07:01:08.362 INFO kablam!     |
Sep 02 07:01:08.362 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 07:01:08.362 INFO kablam! 
Sep 02 07:01:08.379 INFO kablam! warning: variable does not need to be mutable
Sep 02 07:01:08.379 INFO kablam!    --> src/lib.rs:590:18
Sep 02 07:01:08.379 INFO kablam!     |
Sep 02 07:01:08.379 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Sep 02 07:01:08.379 INFO kablam!     |                  ----^^^^
Sep 02 07:01:08.379 INFO kablam!     |                  |
Sep 02 07:01:08.379 INFO kablam!     |                  help: remove this `mut`
Sep 02 07:01:08.379 INFO kablam! 
Sep 02 07:01:08.509 INFO kablam! warning: variable does not need to be mutable
Sep 02 07:01:08.509 INFO kablam!     --> src/lib.rs:1112:17
Sep 02 07:01:08.509 INFO kablam!      |
Sep 02 07:01:08.509 INFO kablam! 1112 |             let mut v = m.entry(1).or_insert(43);
Sep 02 07:01:08.509 INFO kablam!      |                 ----^
Sep 02 07:01:08.509 INFO kablam!      |                 |
Sep 02 07:01:08.509 INFO kablam!      |                 help: remove this `mut`
Sep 02 07:01:08.509 INFO kablam! 
Sep 02 07:01:08.515 INFO kablam! warning: variable does not need to be mutable
Sep 02 07:01:08.515 INFO kablam!     --> src/lib.rs:1128:17
Sep 02 07:01:08.515 INFO kablam!      |
Sep 02 07:01:08.515 INFO kablam! 1128 |             let mut v = m.entry(1).or_insert_vec(vec![43]);
Sep 02 07:01:08.515 INFO kablam!      |                 ----^
Sep 02 07:01:08.515 INFO kablam!      |                 |
Sep 02 07:01:08.515 INFO kablam!      |                 help: remove this `mut`
Sep 02 07:01:08.515 INFO kablam! 
Sep 02 07:01:08.582 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Sep 02 07:01:08.586 INFO kablam! su: No module specific data is present
Sep 02 07:01:09.048 INFO running `"docker" "rm" "-f" "94568a1cdf779b7baa31d4055c3c225dfaaf5bf06fff9b8a1f6ee87c5d1e508d"`
Sep 02 07:01:09.134 INFO blam! 94568a1cdf779b7baa31d4055c3c225dfaaf5bf06fff9b8a1f6ee87c5d1e508d