Sep 02 14:18:03.253 INFO checking flat_map-0.0.4 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 02 14:18:03.253 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 02 14:18:03.253 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 14:18:03.475 INFO blam! 6058331963ed334770605524c46899f1a2a4f6976d75cd9acf0046d7f2e4d976
Sep 02 14:18:03.477 INFO running `"docker" "start" "-a" "6058331963ed334770605524c46899f1a2a4f6976d75cd9acf0046d7f2e4d976"`
Sep 02 14:18:04.157 INFO kablam!     Checking flat_map v0.0.4 (file:///source)
Sep 02 14:18:05.077 INFO kablam! warning: variable does not need to be mutable
Sep 02 14:18:05.077 INFO kablam!    --> src/flat_map.rs:265:19
Sep 02 14:18:05.077 INFO kablam!     |
Sep 02 14:18:05.077 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 02 14:18:05.077 INFO kablam!     |                   ----^^^^
Sep 02 14:18:05.077 INFO kablam!     |                   |
Sep 02 14:18:05.077 INFO kablam!     |                   help: remove this `mut`
Sep 02 14:18:05.077 INFO kablam!     |
Sep 02 14:18:05.077 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 14:18:05.078 INFO kablam! 
Sep 02 14:18:05.154 INFO kablam! warning: variable does not need to be mutable
Sep 02 14:18:05.154 INFO kablam!    --> src/flat_map.rs:265:19
Sep 02 14:18:05.154 INFO kablam!     |
Sep 02 14:18:05.154 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 02 14:18:05.154 INFO kablam!     |                   ----^^^^
Sep 02 14:18:05.154 INFO kablam!     |                   |
Sep 02 14:18:05.154 INFO kablam!     |                   help: remove this `mut`
Sep 02 14:18:05.154 INFO kablam!     |
Sep 02 14:18:05.154 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 02 14:18:05.154 INFO kablam! 
Sep 02 14:18:05.222 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Sep 02 14:18:05.225 INFO kablam! su: No module specific data is present
Sep 02 14:18:05.630 INFO running `"docker" "rm" "-f" "6058331963ed334770605524c46899f1a2a4f6976d75cd9acf0046d7f2e4d976"`
Sep 02 14:18:05.726 INFO blam! 6058331963ed334770605524c46899f1a2a4f6976d75cd9acf0046d7f2e4d976