Sep 14 16:32:04.729 INFO checking flat_map-0.0.4 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 16:32:04.729 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 16:32:04.730 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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=1000" "-e" "CMD=cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 16:32:05.008 INFO blam! 74f09817e15ec811a5c93d436874d61d02b3772b099f67cda00d1ccd5cc0efe7
Sep 14 16:32:05.015 INFO running `"docker" "start" "-a" "74f09817e15ec811a5c93d436874d61d02b3772b099f67cda00d1ccd5cc0efe7"`
Sep 14 16:32:06.016 INFO kablam! usermod: no changes
Sep 14 16:32:06.044 INFO kablam!     Checking flat_map v0.0.4 (file:///source)
Sep 14 16:32:06.461 INFO kablam! warning: variable does not need to be mutable
Sep 14 16:32:06.461 INFO kablam!    --> src/flat_map.rs:265:19
Sep 14 16:32:06.461 INFO kablam!     |
Sep 14 16:32:06.461 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 14 16:32:06.461 INFO kablam!     |                   ----^^^^
Sep 14 16:32:06.461 INFO kablam!     |                   |
Sep 14 16:32:06.461 INFO kablam!     |                   help: remove this `mut`
Sep 14 16:32:06.461 INFO kablam!     |
Sep 14 16:32:06.461 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 16:32:06.461 INFO kablam! 
Sep 14 16:32:06.461 INFO kablam! warning: variable does not need to be mutable
Sep 14 16:32:06.461 INFO kablam!    --> src/flat_map.rs:265:19
Sep 14 16:32:06.461 INFO kablam!     |
Sep 14 16:32:06.461 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 14 16:32:06.461 INFO kablam!     |                   ----^^^^
Sep 14 16:32:06.461 INFO kablam!     |                   |
Sep 14 16:32:06.461 INFO kablam!     |                   help: remove this `mut`
Sep 14 16:32:06.461 INFO kablam!     |
Sep 14 16:32:06.461 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 16:32:06.461 INFO kablam! 
Sep 14 16:32:06.513 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Sep 14 16:32:06.515 INFO kablam! su: No module specific data is present
Sep 14 16:32:07.414 INFO running `"docker" "rm" "-f" "74f09817e15ec811a5c93d436874d61d02b3772b099f67cda00d1ccd5cc0efe7"`
Sep 14 16:32:07.512 INFO blam! 74f09817e15ec811a5c93d436874d61d02b3772b099f67cda00d1ccd5cc0efe7