Sep 01 04:16:34.530 INFO checking flat_map-0.0.4 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Sep 01 04:16:34.530 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Sep 01 04:16:34.530 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 04:16:34.721 INFO blam! 263f3c486cfdc8207e4505077fee59569cfc28cc46c8d2e648ebc1412579ac7f
Sep 01 04:16:34.723 INFO running `"docker" "start" "-a" "263f3c486cfdc8207e4505077fee59569cfc28cc46c8d2e648ebc1412579ac7f"`
Sep 01 04:16:35.272 INFO kablam!     Checking flat_map v0.0.4 (file:///source)
Sep 01 04:16:36.090 INFO kablam! warning: variable does not need to be mutable
Sep 01 04:16:36.090 INFO kablam!    --> src/flat_map.rs:265:19
Sep 01 04:16:36.090 INFO kablam!     |
Sep 01 04:16:36.090 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 01 04:16:36.090 INFO kablam!     |                   ----^^^^
Sep 01 04:16:36.090 INFO kablam!     |                   |
Sep 01 04:16:36.090 INFO kablam!     |                   help: remove this `mut`
Sep 01 04:16:36.090 INFO kablam!     |
Sep 01 04:16:36.090 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 04:16:36.090 INFO kablam! 
Sep 01 04:16:36.307 INFO kablam! warning: variable does not need to be mutable
Sep 01 04:16:36.307 INFO kablam!    --> src/flat_map.rs:265:19
Sep 01 04:16:36.307 INFO kablam!     |
Sep 01 04:16:36.307 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 01 04:16:36.307 INFO kablam!     |                   ----^^^^
Sep 01 04:16:36.307 INFO kablam!     |                   |
Sep 01 04:16:36.307 INFO kablam!     |                   help: remove this `mut`
Sep 01 04:16:36.307 INFO kablam!     |
Sep 01 04:16:36.307 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 04:16:36.307 INFO kablam! 
Sep 01 04:16:36.378 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
Sep 01 04:16:36.380 INFO kablam! su: No module specific data is present
Sep 01 04:16:36.777 INFO running `"docker" "rm" "-f" "263f3c486cfdc8207e4505077fee59569cfc28cc46c8d2e648ebc1412579ac7f"`
Sep 01 04:16:36.871 INFO blam! 263f3c486cfdc8207e4505077fee59569cfc28cc46c8d2e648ebc1412579ac7f