Sep 20 03:29:47.413 INFO checking flat_map-0.0.4 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 03:29:47.413 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 03:29:47.413 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 03:29:47.593 INFO blam! 8350b8ea40588944c70e38a38dfebe27b1a0eaf126042188294ae3f355f34189
Sep 20 03:29:47.595 INFO running `"docker" "start" "-a" "8350b8ea40588944c70e38a38dfebe27b1a0eaf126042188294ae3f355f34189"`
Sep 20 03:29:48.515 INFO kablam! usermod: no changes
Sep 20 03:29:48.551 INFO kablam!     Checking flat_map v0.0.4 (/source)
Sep 20 03:29:48.910 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:29:48.910 INFO kablam!    --> src/flat_map.rs:265:19
Sep 20 03:29:48.910 INFO kablam!     |
Sep 20 03:29:48.910 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 20 03:29:48.910 INFO kablam!     |                   ----^^^^
Sep 20 03:29:48.910 INFO kablam!     |                   |
Sep 20 03:29:48.910 INFO kablam!     |                   help: remove this `mut`
Sep 20 03:29:48.910 INFO kablam!     |
Sep 20 03:29:48.910 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 03:29:48.910 INFO kablam! 
Sep 20 03:29:49.024 INFO kablam! warning: variable does not need to be mutable
Sep 20 03:29:49.024 INFO kablam!    --> src/flat_map.rs:265:19
Sep 20 03:29:49.024 INFO kablam!     |
Sep 20 03:29:49.024 INFO kablam! 265 |     pub fn insert(mut self, value: V) -> &'a mut V {
Sep 20 03:29:49.024 INFO kablam!     |                   ----^^^^
Sep 20 03:29:49.024 INFO kablam!     |                   |
Sep 20 03:29:49.024 INFO kablam!     |                   help: remove this `mut`
Sep 20 03:29:49.024 INFO kablam!     |
Sep 20 03:29:49.024 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 03:29:49.024 INFO kablam! 
Sep 20 03:29:49.076 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
Sep 20 03:29:49.078 INFO kablam! su: No module specific data is present
Sep 20 03:29:49.670 INFO running `"docker" "rm" "-f" "8350b8ea40588944c70e38a38dfebe27b1a0eaf126042188294ae3f355f34189"`
Sep 20 03:29:49.736 INFO blam! 8350b8ea40588944c70e38a38dfebe27b1a0eaf126042188294ae3f355f34189