Jul 12 09:34:16.434 INFO checking flat_map-0.0.4 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 12 09:34:16.434 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 09:34:16.435 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 12 09:34:16.435 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-2/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 12 09:34:16.670 INFO blam! 2f7298822f6df6a7be5a039eecb23e489163260f5886acd5f358fded5be53bd4
Jul 12 09:34:16.673 INFO running `"docker" "start" "-a" "2f7298822f6df6a7be5a039eecb23e489163260f5886acd5f358fded5be53bd4"`
Jul 12 09:34:17.701 INFO kablam!     Checking flat_map v0.0.4 (file:///source)
Jul 12 09:34:18.433 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:34:18.433 INFO kablam!    --> src/flat_map.rs:265:19
Jul 12 09:34:18.433 INFO kablam!     |
Jul 12 09:34:18.433 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Jul 12 09:34:18.433 INFO kablam!     |                   ----^^^^
Jul 12 09:34:18.433 INFO kablam!     |                   |
Jul 12 09:34:18.434 INFO kablam!     |                   help: remove this `mut`
Jul 12 09:34:18.434 INFO kablam!     |
Jul 12 09:34:18.434 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 12 09:34:18.434 INFO kablam! 
Jul 12 09:34:18.521 INFO kablam! warning: variable does not need to be mutable
Jul 12 09:34:18.521 INFO kablam!    --> src/flat_map.rs:265:19
Jul 12 09:34:18.521 INFO kablam!     |
Jul 12 09:34:18.521 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Jul 12 09:34:18.521 INFO kablam!     |                   ----^^^^
Jul 12 09:34:18.521 INFO kablam!     |                   |
Jul 12 09:34:18.521 INFO kablam!     |                   help: remove this `mut`
Jul 12 09:34:18.521 INFO kablam!     |
Jul 12 09:34:18.521 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 12 09:34:18.521 INFO kablam! 
Jul 12 09:34:18.691 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
Jul 12 09:34:18.694 INFO kablam! su: No module specific data is present
Jul 12 09:34:19.369 INFO running `"docker" "rm" "-f" "2f7298822f6df6a7be5a039eecb23e489163260f5886acd5f358fded5be53bd4"`
Jul 12 09:34:19.506 INFO blam! 2f7298822f6df6a7be5a039eecb23e489163260f5886acd5f358fded5be53bd4