Nov 28 21:49:15.661 INFO checking multimap-0.4.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 21:49:15.661 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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"`
Nov 28 21:49:15.930 INFO [stdout] 98f3ad25d249ceb9355ffaa156393535f4bc6e6966985f783ec815a736eda5fc
Nov 28 21:49:15.934 INFO running `"docker" "start" "-a" "98f3ad25d249ceb9355ffaa156393535f4bc6e6966985f783ec815a736eda5fc"`
Nov 28 21:49:16.564 INFO [stderr] usermod: no changes
Nov 28 21:49:16.603 INFO [stderr]     Checking multimap v0.4.0 (/source)
Nov 28 21:49:17.204 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:49:17.204 INFO [stderr]    --> src/lib.rs:249:36
Nov 28 21:49:17.204 INFO [stderr]     |
Nov 28 21:49:17.205 INFO [stderr] 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Nov 28 21:49:17.205 INFO [stderr]     |                                    ----^
Nov 28 21:49:17.205 INFO [stderr]     |                                    |
Nov 28 21:49:17.205 INFO [stderr]     |                                    help: remove this `mut`
Nov 28 21:49:17.205 INFO [stderr]     |
Nov 28 21:49:17.205 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 21:49:17.205 INFO [stderr] 
Nov 28 21:49:17.205 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:49:17.205 INFO [stderr]    --> src/lib.rs:590:18
Nov 28 21:49:17.205 INFO [stderr]     |
Nov 28 21:49:17.205 INFO [stderr] 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Nov 28 21:49:17.205 INFO [stderr]     |                  ----^^^^
Nov 28 21:49:17.205 INFO [stderr]     |                  |
Nov 28 21:49:17.205 INFO [stderr]     |                  help: remove this `mut`
Nov 28 21:49:17.205 INFO [stderr] 
Nov 28 21:49:17.700 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:49:17.700 INFO [stderr]    --> src/lib.rs:249:36
Nov 28 21:49:17.700 INFO [stderr]     |
Nov 28 21:49:17.700 INFO [stderr] 249 |         self.inner.get_mut(k).map(|mut v| v.get_mut(0).unwrap())
Nov 28 21:49:17.700 INFO [stderr]     |                                    ----^
Nov 28 21:49:17.700 INFO [stderr]     |                                    |
Nov 28 21:49:17.700 INFO [stderr]     |                                    help: remove this `mut`
Nov 28 21:49:17.700 INFO [stderr]     |
Nov 28 21:49:17.700 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 21:49:17.700 INFO [stderr] 
Nov 28 21:49:17.700 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:49:17.700 INFO [stderr]    --> src/lib.rs:590:18
Nov 28 21:49:17.700 INFO [stderr]     |
Nov 28 21:49:17.700 INFO [stderr] 590 |     fn into_iter(mut self) -> IterAllMut<'a, K, Vec<V>> {
Nov 28 21:49:17.700 INFO [stderr]     |                  ----^^^^
Nov 28 21:49:17.700 INFO [stderr]     |                  |
Nov 28 21:49:17.700 INFO [stderr]     |                  help: remove this `mut`
Nov 28 21:49:17.700 INFO [stderr] 
Nov 28 21:49:17.764 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:49:17.764 INFO [stderr]     --> src/lib.rs:1112:17
Nov 28 21:49:17.764 INFO [stderr]      |
Nov 28 21:49:17.764 INFO [stderr] 1112 |             let mut v = m.entry(1).or_insert(43);
Nov 28 21:49:17.764 INFO [stderr]      |                 ----^
Nov 28 21:49:17.764 INFO [stderr]      |                 |
Nov 28 21:49:17.764 INFO [stderr]      |                 help: remove this `mut`
Nov 28 21:49:17.764 INFO [stderr] 
Nov 28 21:49:17.768 INFO [stderr] warning: variable does not need to be mutable
Nov 28 21:49:17.768 INFO [stderr]     --> src/lib.rs:1128:17
Nov 28 21:49:17.768 INFO [stderr]      |
Nov 28 21:49:17.768 INFO [stderr] 1128 |             let mut v = m.entry(1).or_insert_vec(vec![43]);
Nov 28 21:49:17.768 INFO [stderr]      |                 ----^
Nov 28 21:49:17.768 INFO [stderr]      |                 |
Nov 28 21:49:17.768 INFO [stderr]      |                 help: remove this `mut`
Nov 28 21:49:17.768 INFO [stderr] 
Nov 28 21:49:17.856 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Nov 28 21:49:17.856 INFO [stderr] su: No module specific data is present
Nov 28 21:49:18.324 INFO running `"docker" "inspect" "98f3ad25d249ceb9355ffaa156393535f4bc6e6966985f783ec815a736eda5fc"`
Nov 28 21:49:18.426 INFO running `"docker" "rm" "-f" "98f3ad25d249ceb9355ffaa156393535f4bc6e6966985f783ec815a736eda5fc"`
Nov 28 21:49:18.543 INFO [stdout] 98f3ad25d249ceb9355ffaa156393535f4bc6e6966985f783ec815a736eda5fc