Sep 04 20:31:52.100 INFO checking flat_map-0.0.4 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 20:31:52.100 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 20:31:52.100 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-0/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 20:31:52.310 INFO blam! b6c3a032a794029dae9c485a62cefd936413c1904f94cfdb19b6c56460a94afc
Sep 04 20:31:52.312 INFO running `"docker" "start" "-a" "b6c3a032a794029dae9c485a62cefd936413c1904f94cfdb19b6c56460a94afc"`
Sep 04 20:31:52.974 INFO kablam!     Checking flat_map v0.0.4 (file:///source)
Sep 04 20:31:54.030 INFO kablam! warning: variable does not need to be mutable
Sep 04 20:31:54.030 INFO kablam!    --> src/flat_map.rs:265:19
Sep 04 20:31:54.030 INFO kablam!     |
Sep 04 20:31:54.030 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 04 20:31:54.030 INFO kablam!     |                   ----^^^^
Sep 04 20:31:54.030 INFO kablam!     |                   |
Sep 04 20:31:54.031 INFO kablam!     |                   help: remove this `mut`
Sep 04 20:31:54.031 INFO kablam!     |
Sep 04 20:31:54.031 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 20:31:54.031 INFO kablam! 
Sep 04 20:31:54.046 INFO kablam! warning: variable does not need to be mutable
Sep 04 20:31:54.046 INFO kablam!    --> src/flat_map.rs:265:19
Sep 04 20:31:54.046 INFO kablam!     |
Sep 04 20:31:54.046 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 04 20:31:54.046 INFO kablam!     |                   ----^^^^
Sep 04 20:31:54.046 INFO kablam!     |                   |
Sep 04 20:31:54.046 INFO kablam!     |                   help: remove this `mut`
Sep 04 20:31:54.046 INFO kablam!     |
Sep 04 20:31:54.046 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 20:31:54.046 INFO kablam! 
Sep 04 20:31:54.125 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
Sep 04 20:31:54.127 INFO kablam! su: No module specific data is present
Sep 04 20:31:54.794 INFO running `"docker" "rm" "-f" "b6c3a032a794029dae9c485a62cefd936413c1904f94cfdb19b6c56460a94afc"`
Sep 04 20:31:54.898 INFO blam! b6c3a032a794029dae9c485a62cefd936413c1904f94cfdb19b6c56460a94afc