Sep 21 10:22:52.222 INFO checking flat_map-0.0.4 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 10:22:52.222 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 10:22:52.222 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-3/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 10:22:52.402 INFO blam! f1b2ed7fc3ddf78908dbf5f15b38f6dd0f36a1a679be2ffc6c8f1a3ef7ba5a1f
Sep 21 10:22:52.404 INFO running `"docker" "start" "-a" "f1b2ed7fc3ddf78908dbf5f15b38f6dd0f36a1a679be2ffc6c8f1a3ef7ba5a1f"`
Sep 21 10:22:53.221 INFO kablam! usermod: no changes
Sep 21 10:22:53.244 INFO kablam!     Checking flat_map v0.0.4 (/source)
Sep 21 10:22:53.571 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:22:53.571 INFO kablam!    --> src/flat_map.rs:265:19
Sep 21 10:22:53.571 INFO kablam!     |
Sep 21 10:22:53.571 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 21 10:22:53.571 INFO kablam!     |                   ----^^^^
Sep 21 10:22:53.571 INFO kablam!     |                   |
Sep 21 10:22:53.571 INFO kablam!     |                   help: remove this `mut`
Sep 21 10:22:53.571 INFO kablam!     |
Sep 21 10:22:53.571 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 10:22:53.571 INFO kablam! 
Sep 21 10:22:53.581 INFO kablam! warning: variable does not need to be mutable
Sep 21 10:22:53.581 INFO kablam!    --> src/flat_map.rs:265:19
Sep 21 10:22:53.581 INFO kablam!     |
Sep 21 10:22:53.581 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 21 10:22:53.581 INFO kablam!     |                   ----^^^^
Sep 21 10:22:53.581 INFO kablam!     |                   |
Sep 21 10:22:53.581 INFO kablam!     |                   help: remove this `mut`
Sep 21 10:22:53.581 INFO kablam!     |
Sep 21 10:22:53.581 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 21 10:22:53.581 INFO kablam! 
Sep 21 10:22:53.622 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Sep 21 10:22:53.623 INFO kablam! su: No module specific data is present
Sep 21 10:22:54.283 INFO running `"docker" "rm" "-f" "f1b2ed7fc3ddf78908dbf5f15b38f6dd0f36a1a679be2ffc6c8f1a3ef7ba5a1f"`
Sep 21 10:22:54.338 INFO blam! f1b2ed7fc3ddf78908dbf5f15b38f6dd0f36a1a679be2ffc6c8f1a3ef7ba5a1f