Oct 13 11:51:01.285 INFO checking multimap-0.4.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 11:51:01.285 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 11:51:01.548 INFO blam! 2c863b3aabcf70a0fc5ae1bb03974c093246049875d726fcfc64c50ff9c4056e
Oct 13 11:51:01.552 INFO running `"docker" "start" "-a" "2c863b3aabcf70a0fc5ae1bb03974c093246049875d726fcfc64c50ff9c4056e"`
Oct 13 11:51:02.657 INFO kablam! usermod: no changes
Oct 13 11:51:02.691 INFO kablam!     Checking serde_test v1.0.79
Oct 13 11:51:02.691 INFO kablam!     Checking multimap v0.4.0 (/source)
Oct 13 11:51:03.392 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:03.392 INFO kablam!    --> src/lib.rs:249:36
Oct 13 11:51:03.392 INFO kablam!     |
Oct 13 11:51:03.392 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Oct 13 11:51:03.392 INFO kablam!     |                                    ----^
Oct 13 11:51:03.392 INFO kablam!     |                                    |
Oct 13 11:51:03.392 INFO kablam!     |                                    help: remove this `mut`
Oct 13 11:51:03.392 INFO kablam!     |
Oct 13 11:51:03.392 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 11:51:03.392 INFO kablam! 
Oct 13 11:51:03.404 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:03.404 INFO kablam!    --> src/lib.rs:590:18
Oct 13 11:51:03.404 INFO kablam!     |
Oct 13 11:51:03.404 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Oct 13 11:51:03.404 INFO kablam!     |                  ----^^^^
Oct 13 11:51:03.404 INFO kablam!     |                  |
Oct 13 11:51:03.404 INFO kablam!     |                  help: remove this `mut`
Oct 13 11:51:03.404 INFO kablam! 
Oct 13 11:51:05.856 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:05.856 INFO kablam!    --> src/lib.rs:249:36
Oct 13 11:51:05.856 INFO kablam!     |
Oct 13 11:51:05.856 INFO kablam! 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Oct 13 11:51:05.856 INFO kablam!     |                                    ----^
Oct 13 11:51:05.856 INFO kablam!     |                                    |
Oct 13 11:51:05.856 INFO kablam!     |                                    help: remove this `mut`
Oct 13 11:51:05.856 INFO kablam!     |
Oct 13 11:51:05.856 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 11:51:05.856 INFO kablam! 
Oct 13 11:51:05.872 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:05.872 INFO kablam!    --> src/lib.rs:590:18
Oct 13 11:51:05.872 INFO kablam!     |
Oct 13 11:51:05.872 INFO kablam! 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Oct 13 11:51:05.872 INFO kablam!     |                  ----^^^^
Oct 13 11:51:05.872 INFO kablam!     |                  |
Oct 13 11:51:05.872 INFO kablam!     |                  help: remove this `mut`
Oct 13 11:51:05.872 INFO kablam! 
Oct 13 11:51:06.000 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:06.000 INFO kablam!     --> src/lib.rs:1112:17
Oct 13 11:51:06.000 INFO kablam!      |
Oct 13 11:51:06.000 INFO kablam! 1112 |             let mut v = m.entry(1).or_insert(43);
Oct 13 11:51:06.000 INFO kablam!      |                 ----^
Oct 13 11:51:06.000 INFO kablam!      |                 |
Oct 13 11:51:06.000 INFO kablam!      |                 help: remove this `mut`
Oct 13 11:51:06.000 INFO kablam! 
Oct 13 11:51:06.008 INFO kablam! warning: variable does not need to be mutable
Oct 13 11:51:06.008 INFO kablam!     --> src/lib.rs:1128:17
Oct 13 11:51:06.008 INFO kablam!      |
Oct 13 11:51:06.008 INFO kablam! 1128 |             let mut v = m.entry(1).or_insert_vec(vec![43]);
Oct 13 11:51:06.008 INFO kablam!      |                 ----^
Oct 13 11:51:06.008 INFO kablam!      |                 |
Oct 13 11:51:06.008 INFO kablam!      |                 help: remove this `mut`
Oct 13 11:51:06.008 INFO kablam! 
Oct 13 11:51:06.112 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
Oct 13 11:51:06.124 INFO kablam! su: No module specific data is present
Oct 13 11:51:06.502 INFO running `"docker" "rm" "-f" "2c863b3aabcf70a0fc5ae1bb03974c093246049875d726fcfc64c50ff9c4056e"`
Oct 13 11:51:06.616 INFO blam! 2c863b3aabcf70a0fc5ae1bb03974c093246049875d726fcfc64c50ff9c4056e