Aug 02 03:59:47.255 INFO checking multimap-0.4.0 against 1.27.2 for lazy_static-1
Aug 02 03:59:47.255 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:59:47.255 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 03:59:47.255 INFO running `"docker" "create" "-v" "/tmp/crater.TM0VelF24uDs:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 03:59:47.500 INFO blam! 537c9024695525fd695b6a41c0ef66fe2db0c1def40983498a5e7adc0704b21e
Aug 02 03:59:47.501 INFO running `"docker" "start" "-a" "537c9024695525fd695b6a41c0ef66fe2db0c1def40983498a5e7adc0704b21e"`
Aug 02 03:59:48.398 INFO kablam!     Checking multimap v0.4.0 (file:///source)
Aug 02 03:59:49.502 INFO kablam! warning: variable does not need to be mutable
Aug 02 03:59:49.502 INFO kablam!    --> src/lib.rs:249:36
Aug 02 03:59:49.502 INFO kablam!     |
Aug 02 03:59:49.502 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Aug 02 03:59:49.502 INFO kablam!     |                                    ----^
Aug 02 03:59:49.503 INFO kablam!     |                                    |
Aug 02 03:59:49.503 INFO kablam!     |                                    help: remove this `mut`
Aug 02 03:59:49.503 INFO kablam!     |
Aug 02 03:59:49.503 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 03:59:49.503 INFO kablam! 
Aug 02 03:59:49.521 INFO kablam! warning: variable does not need to be mutable
Aug 02 03:59:49.521 INFO kablam!    --> src/lib.rs:590:18
Aug 02 03:59:49.521 INFO kablam!     |
Aug 02 03:59:49.521 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Aug 02 03:59:49.521 INFO kablam!     |                  ----^^^^
Aug 02 03:59:49.521 INFO kablam!     |                  |
Aug 02 03:59:49.521 INFO kablam!     |                  help: remove this `mut`
Aug 02 03:59:49.521 INFO kablam! 
Aug 02 03:59:50.493 INFO kablam! warning: variable does not need to be mutable
Aug 02 03:59:50.493 INFO kablam!    --> src/lib.rs:249:36
Aug 02 03:59:50.493 INFO kablam!     |
Aug 02 03:59:50.493 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Aug 02 03:59:50.493 INFO kablam!     |                                    ----^
Aug 02 03:59:50.493 INFO kablam!     |                                    |
Aug 02 03:59:50.493 INFO kablam!     |                                    help: remove this `mut`
Aug 02 03:59:50.493 INFO kablam!     |
Aug 02 03:59:50.493 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 02 03:59:50.493 INFO kablam! 
Aug 02 03:59:50.520 INFO kablam! warning: variable does not need to be mutable
Aug 02 03:59:50.520 INFO kablam!    --> src/lib.rs:590:18
Aug 02 03:59:50.520 INFO kablam!     |
Aug 02 03:59:50.520 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Aug 02 03:59:50.520 INFO kablam!     |                  ----^^^^
Aug 02 03:59:50.520 INFO kablam!     |                  |
Aug 02 03:59:50.520 INFO kablam!     |                  help: remove this `mut`
Aug 02 03:59:50.520 INFO kablam! 
Aug 02 03:59:50.699 INFO kablam! warning: variable does not need to be mutable
Aug 02 03:59:50.699 INFO kablam!     --> src/lib.rs:1112:17
Aug 02 03:59:50.699 INFO kablam!      |
Aug 02 03:59:50.699 INFO kablam! 1112 |             let mut v = m.entry(1).or_insert(43);
Aug 02 03:59:50.699 INFO kablam!      |                 ----^
Aug 02 03:59:50.699 INFO kablam!      |                 |
Aug 02 03:59:50.699 INFO kablam!      |                 help: remove this `mut`
Aug 02 03:59:50.699 INFO kablam! 
Aug 02 03:59:50.712 INFO kablam! warning: variable does not need to be mutable
Aug 02 03:59:50.712 INFO kablam!     --> src/lib.rs:1128:17
Aug 02 03:59:50.712 INFO kablam!      |
Aug 02 03:59:50.712 INFO kablam! 1128 |             let mut v = m.entry(1).or_insert_vec(vec![43]);
Aug 02 03:59:50.712 INFO kablam!      |                 ----^
Aug 02 03:59:50.712 INFO kablam!      |                 |
Aug 02 03:59:50.712 INFO kablam!      |                 help: remove this `mut`
Aug 02 03:59:50.712 INFO kablam! 
Aug 02 03:59:50.829 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.52s
Aug 02 03:59:50.832 INFO kablam! su: No module specific data is present
Aug 02 03:59:51.417 INFO running `"docker" "rm" "-f" "537c9024695525fd695b6a41c0ef66fe2db0c1def40983498a5e7adc0704b21e"`
Aug 02 03:59:51.580 INFO blam! 537c9024695525fd695b6a41c0ef66fe2db0c1def40983498a5e7adc0704b21e