Sep 14 12:54:21.942 INFO checking multimap-0.4.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 12:54:21.942 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 12:54:21.943 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-0/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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=1000" "-e" "CMD=cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 12:54:22.231 INFO blam! 57840e9fc1c38970795a01ecc75db248173c3f81211797b30bb998adac899298
Sep 14 12:54:22.233 INFO running `"docker" "start" "-a" "57840e9fc1c38970795a01ecc75db248173c3f81211797b30bb998adac899298"`
Sep 14 12:54:23.710 INFO kablam! usermod: no changes
Sep 14 12:54:23.816 INFO kablam!     Checking multimap v0.4.0 (file:///source)
Sep 14 12:54:24.502 INFO kablam! warning: variable does not need to be mutable
Sep 14 12:54:24.503 INFO kablam!    --> src/lib.rs:249:36
Sep 14 12:54:24.503 INFO kablam!     |
Sep 14 12:54:24.503 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Sep 14 12:54:24.503 INFO kablam!     |                                    ----^
Sep 14 12:54:24.503 INFO kablam!     |                                    |
Sep 14 12:54:24.503 INFO kablam!     |                                    help: remove this `mut`
Sep 14 12:54:24.503 INFO kablam!     |
Sep 14 12:54:24.503 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 12:54:24.503 INFO kablam! 
Sep 14 12:54:24.520 INFO kablam! warning: variable does not need to be mutable
Sep 14 12:54:24.520 INFO kablam!    --> src/lib.rs:590:18
Sep 14 12:54:24.520 INFO kablam!     |
Sep 14 12:54:24.520 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Sep 14 12:54:24.520 INFO kablam!     |                  ----^^^^
Sep 14 12:54:24.520 INFO kablam!     |                  |
Sep 14 12:54:24.520 INFO kablam!     |                  help: remove this `mut`
Sep 14 12:54:24.520 INFO kablam! 
Sep 14 12:54:24.883 INFO kablam! warning: variable does not need to be mutable
Sep 14 12:54:24.883 INFO kablam!    --> src/lib.rs:249:36
Sep 14 12:54:24.883 INFO kablam!     |
Sep 14 12:54:24.883 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Sep 14 12:54:24.883 INFO kablam!     |                                    ----^
Sep 14 12:54:24.883 INFO kablam!     |                                    |
Sep 14 12:54:24.883 INFO kablam!     |                                    help: remove this `mut`
Sep 14 12:54:24.883 INFO kablam!     |
Sep 14 12:54:24.883 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 12:54:24.883 INFO kablam! 
Sep 14 12:54:24.891 INFO kablam! warning: variable does not need to be mutable
Sep 14 12:54:24.891 INFO kablam!    --> src/lib.rs:590:18
Sep 14 12:54:24.891 INFO kablam!     |
Sep 14 12:54:24.891 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Sep 14 12:54:24.891 INFO kablam!     |                  ----^^^^
Sep 14 12:54:24.891 INFO kablam!     |                  |
Sep 14 12:54:24.891 INFO kablam!     |                  help: remove this `mut`
Sep 14 12:54:24.891 INFO kablam! 
Sep 14 12:54:25.004 INFO kablam! warning: variable does not need to be mutable
Sep 14 12:54:25.004 INFO kablam!     --> src/lib.rs:1112:17
Sep 14 12:54:25.004 INFO kablam!      |
Sep 14 12:54:25.004 INFO kablam! 1112 |             let mut v = m.entry(1).or_insert(43);
Sep 14 12:54:25.004 INFO kablam!      |                 ----^
Sep 14 12:54:25.004 INFO kablam!      |                 |
Sep 14 12:54:25.004 INFO kablam!      |                 help: remove this `mut`
Sep 14 12:54:25.004 INFO kablam! 
Sep 14 12:54:25.011 INFO kablam! warning: variable does not need to be mutable
Sep 14 12:54:25.011 INFO kablam!     --> src/lib.rs:1128:17
Sep 14 12:54:25.011 INFO kablam!      |
Sep 14 12:54:25.011 INFO kablam! 1128 |             let mut v = m.entry(1).or_insert_vec(vec![43]);
Sep 14 12:54:25.011 INFO kablam!      |                 ----^
Sep 14 12:54:25.011 INFO kablam!      |                 |
Sep 14 12:54:25.011 INFO kablam!      |                 help: remove this `mut`
Sep 14 12:54:25.011 INFO kablam! 
Sep 14 12:54:25.091 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
Sep 14 12:54:25.091 INFO kablam! su: No module specific data is present
Sep 14 12:54:26.080 INFO running `"docker" "rm" "-f" "57840e9fc1c38970795a01ecc75db248173c3f81211797b30bb998adac899298"`
Sep 14 12:54:26.383 INFO blam! 57840e9fc1c38970795a01ecc75db248173c3f81211797b30bb998adac899298