Sep 01 04:16:36.605 INFO checking flat_map-0.0.4 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578
Sep 01 04:16:36.605 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets
Sep 01 04:16:36.605 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-0/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 04:16:36.769 INFO blam! 8967c75556e260324509bed80199c39b5bcd662ebba8914431d341f64720a46f
Sep 01 04:16:36.771 INFO running `"docker" "start" "-a" "8967c75556e260324509bed80199c39b5bcd662ebba8914431d341f64720a46f"`
Sep 01 04:16:37.359 INFO kablam!     Checking flat_map v0.0.4 (file:///source)
Sep 01 04:16:38.114 INFO kablam! warning: variable does not need to be mutable
Sep 01 04:16:38.114 INFO kablam!    --> src/flat_map.rs:265:19
Sep 01 04:16:38.114 INFO kablam!     |
Sep 01 04:16:38.114 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 01 04:16:38.115 INFO kablam!     |                   ----^^^^
Sep 01 04:16:38.115 INFO kablam!     |                   |
Sep 01 04:16:38.115 INFO kablam!     |                   help: remove this `mut`
Sep 01 04:16:38.115 INFO kablam!     |
Sep 01 04:16:38.115 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 04:16:38.115 INFO kablam! 
Sep 01 04:16:38.191 INFO kablam! warning: variable does not need to be mutable
Sep 01 04:16:38.191 INFO kablam!    --> src/flat_map.rs:265:19
Sep 01 04:16:38.191 INFO kablam!     |
Sep 01 04:16:38.191 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 01 04:16:38.191 INFO kablam!     |                   ----^^^^
Sep 01 04:16:38.191 INFO kablam!     |                   |
Sep 01 04:16:38.191 INFO kablam!     |                   help: remove this `mut`
Sep 01 04:16:38.191 INFO kablam!     |
Sep 01 04:16:38.191 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 04:16:38.191 INFO kablam! 
Sep 01 04:16:38.293 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
Sep 01 04:16:38.295 INFO kablam! su: No module specific data is present
Sep 01 04:16:38.778 INFO running `"docker" "rm" "-f" "8967c75556e260324509bed80199c39b5bcd662ebba8914431d341f64720a46f"`
Sep 01 04:16:38.875 INFO blam! 8967c75556e260324509bed80199c39b5bcd662ebba8914431d341f64720a46f