Sep 20 01:44:34.812 INFO checking flat_map-0.0.4 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 20 01:44:34.812 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 20 01:44:34.812 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 01:44:34.998 INFO blam! 365ed7e583f545ad12d41dab02e46b8e8903e6ec4327f4378b4db3f1216fc1e2
Sep 20 01:44:34.999 INFO running `"docker" "start" "-a" "365ed7e583f545ad12d41dab02e46b8e8903e6ec4327f4378b4db3f1216fc1e2"`
Sep 20 01:44:35.766 INFO kablam! usermod: no changes
Sep 20 01:44:35.787 INFO kablam!     Checking flat_map v0.0.4 (/source)
Sep 20 01:44:36.137 INFO kablam! warning: variable does not need to be mutable
Sep 20 01:44:36.137 INFO kablam!    --> src/flat_map.rs:265:19
Sep 20 01:44:36.137 INFO kablam!     |
Sep 20 01:44:36.137 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 20 01:44:36.137 INFO kablam!     |                   ----^^^^
Sep 20 01:44:36.137 INFO kablam!     |                   |
Sep 20 01:44:36.137 INFO kablam!     |                   help: remove this `mut`
Sep 20 01:44:36.137 INFO kablam!     |
Sep 20 01:44:36.137 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 01:44:36.137 INFO kablam! 
Sep 20 01:44:36.168 INFO kablam! warning: variable does not need to be mutable
Sep 20 01:44:36.168 INFO kablam!    --> src/flat_map.rs:265:19
Sep 20 01:44:36.168 INFO kablam!     |
Sep 20 01:44:36.168 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 20 01:44:36.168 INFO kablam!     |                   ----^^^^
Sep 20 01:44:36.168 INFO kablam!     |                   |
Sep 20 01:44:36.168 INFO kablam!     |                   help: remove this `mut`
Sep 20 01:44:36.168 INFO kablam!     |
Sep 20 01:44:36.168 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 01:44:36.168 INFO kablam! 
Sep 20 01:44:36.209 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
Sep 20 01:44:36.211 INFO kablam! su: No module specific data is present
Sep 20 01:44:37.215 INFO running `"docker" "rm" "-f" "365ed7e583f545ad12d41dab02e46b8e8903e6ec4327f4378b4db3f1216fc1e2"`
Sep 20 01:44:37.292 INFO blam! 365ed7e583f545ad12d41dab02e46b8e8903e6ec4327f4378b4db3f1216fc1e2