Oct 13 11:51:00.339 INFO checking multimap-0.4.0 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 11:51:00.340 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 11:51:00.779 INFO blam! 933760e0a7a249ed7068fdb92ef853977d355015beae2489c18cb2bf0cb4b6bb
Oct 13 11:51:00.788 INFO running `"docker" "start" "-a" "933760e0a7a249ed7068fdb92ef853977d355015beae2489c18cb2bf0cb4b6bb"`
Oct 13 11:51:01.689 INFO kablam! usermod: no changes
Oct 13 11:51:01.726 INFO kablam!     Checking multimap v0.4.0 (/source)
Oct 13 11:51:02.599 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:02.599 INFO kablam!    --> src/lib.rs:249:36
Oct 13 11:51:02.599 INFO kablam!     |
Oct 13 11:51:02.600 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Oct 13 11:51:02.600 INFO kablam!     |                                    ----^
Oct 13 11:51:02.600 INFO kablam!     |                                    |
Oct 13 11:51:02.600 INFO kablam!     |                                    help: remove this `mut`
Oct 13 11:51:02.600 INFO kablam!     |
Oct 13 11:51:02.600 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 11:51:02.600 INFO kablam! 
Oct 13 11:51:02.616 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:02.616 INFO kablam!    --> src/lib.rs:590:18
Oct 13 11:51:02.616 INFO kablam!     |
Oct 13 11:51:02.616 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Oct 13 11:51:02.616 INFO kablam!     |                  ----^^^^
Oct 13 11:51:02.616 INFO kablam!     |                  |
Oct 13 11:51:02.616 INFO kablam!     |                  help: remove this `mut`
Oct 13 11:51:02.616 INFO kablam! 
Oct 13 11:51:02.944 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:02.944 INFO kablam!    --> src/lib.rs:249:36
Oct 13 11:51:02.944 INFO kablam!     |
Oct 13 11:51:02.944 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Oct 13 11:51:02.944 INFO kablam!     |                                    ----^
Oct 13 11:51:02.944 INFO kablam!     |                                    |
Oct 13 11:51:02.944 INFO kablam!     |                                    help: remove this `mut`
Oct 13 11:51:02.944 INFO kablam!     |
Oct 13 11:51:02.944 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 11:51:02.944 INFO kablam! 
Oct 13 11:51:02.946 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:02.947 INFO kablam!    --> src/lib.rs:590:18
Oct 13 11:51:02.947 INFO kablam!     |
Oct 13 11:51:02.947 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Oct 13 11:51:02.947 INFO kablam!     |                  ----^^^^
Oct 13 11:51:02.947 INFO kablam!     |                  |
Oct 13 11:51:02.947 INFO kablam!     |                  help: remove this `mut`
Oct 13 11:51:02.947 INFO kablam! 
Oct 13 11:51:03.036 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:03.036 INFO kablam!     --> src/lib.rs:1112:17
Oct 13 11:51:03.036 INFO kablam!      |
Oct 13 11:51:03.036 INFO kablam! 1112 |             let mut v = m.entry(1).or_insert(43);
Oct 13 11:51:03.036 INFO kablam!      |                 ----^
Oct 13 11:51:03.036 INFO kablam!      |                 |
Oct 13 11:51:03.036 INFO kablam!      |                 help: remove this `mut`
Oct 13 11:51:03.037 INFO kablam! 
Oct 13 11:51:03.037 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:03.037 INFO kablam!     --> src/lib.rs:1128:17
Oct 13 11:51:03.037 INFO kablam!      |
Oct 13 11:51:03.037 INFO kablam! 1128 |             let mut v = m.entry(1).or_insert_vec(vec![43]);
Oct 13 11:51:03.037 INFO kablam!      |                 ----^
Oct 13 11:51:03.037 INFO kablam!      |                 |
Oct 13 11:51:03.037 INFO kablam!      |                 help: remove this `mut`
Oct 13 11:51:03.037 INFO kablam! 
Oct 13 11:51:03.092 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Oct 13 11:51:03.096 INFO kablam! su: No module specific data is present
Oct 13 11:51:03.536 INFO running `"docker" "rm" "-f" "933760e0a7a249ed7068fdb92ef853977d355015beae2489c18cb2bf0cb4b6bb"`
Oct 13 11:51:03.642 INFO blam! 933760e0a7a249ed7068fdb92ef853977d355015beae2489c18cb2bf0cb4b6bb