Aug 30 17:37:45.565 INFO checking flat_map-0.0.4 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 17:37:45.565 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 17:37:45.565 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-2/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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=500" "-e" "CMD=cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 17:37:45.745 INFO blam! c523158553487e38fcd2697f04105f09fa97cb76e34d6b2eca891c3384d4f45f
Aug 30 17:37:45.746 INFO running `"docker" "start" "-a" "c523158553487e38fcd2697f04105f09fa97cb76e34d6b2eca891c3384d4f45f"`
Aug 30 17:37:46.468 INFO kablam!     Checking flat_map v0.0.4 (file:///source)
Aug 30 17:37:47.267 INFO kablam! warning: variable does not need to be mutable
Aug 30 17:37:47.267 INFO kablam!    --> src/flat_map.rs:265:19
Aug 30 17:37:47.267 INFO kablam!     |
Aug 30 17:37:47.267 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Aug 30 17:37:47.267 INFO kablam!     |                   ----^^^^
Aug 30 17:37:47.267 INFO kablam!     |                   |
Aug 30 17:37:47.267 INFO kablam!     |                   help: remove this `mut`
Aug 30 17:37:47.267 INFO kablam!     |
Aug 30 17:37:47.267 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 17:37:47.267 INFO kablam! 
Aug 30 17:37:47.549 INFO kablam! warning: variable does not need to be mutable
Aug 30 17:37:47.549 INFO kablam!    --> src/flat_map.rs:265:19
Aug 30 17:37:47.549 INFO kablam!     |
Aug 30 17:37:47.549 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Aug 30 17:37:47.549 INFO kablam!     |                   ----^^^^
Aug 30 17:37:47.549 INFO kablam!     |                   |
Aug 30 17:37:47.549 INFO kablam!     |                   help: remove this `mut`
Aug 30 17:37:47.549 INFO kablam!     |
Aug 30 17:37:47.549 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 17:37:47.549 INFO kablam! 
Aug 30 17:37:47.617 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Aug 30 17:37:47.620 INFO kablam! su: No module specific data is present
Aug 30 17:37:48.090 INFO running `"docker" "rm" "-f" "c523158553487e38fcd2697f04105f09fa97cb76e34d6b2eca891c3384d4f45f"`
Aug 30 17:37:48.176 INFO blam! c523158553487e38fcd2697f04105f09fa97cb76e34d6b2eca891c3384d4f45f