Sep 04 17:40:30.126 INFO checking flat_map-0.0.4 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 17:40:30.126 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 17:40:30.126 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-3/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 17:40:30.309 INFO blam! 35c22cbc7f58e6b250286ab755a2ac8144830dbd7f5fdf8f1fc248a4d6a0835c
Sep 04 17:40:30.311 INFO running `"docker" "start" "-a" "35c22cbc7f58e6b250286ab755a2ac8144830dbd7f5fdf8f1fc248a4d6a0835c"`
Sep 04 17:40:30.885 INFO kablam!     Checking flat_map v0.0.4 (file:///source)
Sep 04 17:40:31.526 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:40:31.526 INFO kablam!    --> src/flat_map.rs:265:19
Sep 04 17:40:31.526 INFO kablam!     |
Sep 04 17:40:31.526 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 04 17:40:31.526 INFO kablam!     |                   ----^^^^
Sep 04 17:40:31.526 INFO kablam!     |                   |
Sep 04 17:40:31.526 INFO kablam!     |                   help: remove this `mut`
Sep 04 17:40:31.526 INFO kablam!     |
Sep 04 17:40:31.526 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 17:40:31.526 INFO kablam! 
Sep 04 17:40:31.654 INFO kablam! warning: variable does not need to be mutable
Sep 04 17:40:31.654 INFO kablam!    --> src/flat_map.rs:265:19
Sep 04 17:40:31.654 INFO kablam!     |
Sep 04 17:40:31.654 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 04 17:40:31.654 INFO kablam!     |                   ----^^^^
Sep 04 17:40:31.654 INFO kablam!     |                   |
Sep 04 17:40:31.654 INFO kablam!     |                   help: remove this `mut`
Sep 04 17:40:31.654 INFO kablam!     |
Sep 04 17:40:31.654 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 17:40:31.654 INFO kablam! 
Sep 04 17:40:31.747 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Sep 04 17:40:31.749 INFO kablam! su: No module specific data is present
Sep 04 17:40:32.136 INFO running `"docker" "rm" "-f" "35c22cbc7f58e6b250286ab755a2ac8144830dbd7f5fdf8f1fc248a4d6a0835c"`
Sep 04 17:40:32.251 INFO blam! 35c22cbc7f58e6b250286ab755a2ac8144830dbd7f5fdf8f1fc248a4d6a0835c