Sep 20 02:56:52.085 INFO checking gitter-slack-0.1.1 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 02:56:52.085 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 02:56:52.085 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-3/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 02:56:52.280 INFO blam! 85ce9c35ea89e23559abf65e093aadcf734fdbad41db0b0dc7d235f92815761f
Sep 20 02:56:52.282 INFO running `"docker" "start" "-a" "85ce9c35ea89e23559abf65e093aadcf734fdbad41db0b0dc7d235f92815761f"`
Sep 20 02:56:53.403 INFO kablam! usermod: no changes
Sep 20 02:56:53.446 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 20 02:56:53.626 INFO kablam!     Checking gitter-slack v0.1.1 (/source)
Sep 20 02:56:56.394 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:56:56.394 INFO kablam!    --> src/main.rs:139:17
Sep 20 02:56:56.394 INFO kablam!     |
Sep 20 02:56:56.394 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 20 02:56:56.394 INFO kablam!     |                 ----^^
Sep 20 02:56:56.394 INFO kablam!     |                 |
Sep 20 02:56:56.394 INFO kablam!     |                 help: remove this `mut`
Sep 20 02:56:56.394 INFO kablam!     |
Sep 20 02:56:56.394 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 02:56:56.394 INFO kablam! 
Sep 20 02:56:57.158 INFO kablam! warning: variable does not need to be mutable
Sep 20 02:56:57.158 INFO kablam!    --> src/main.rs:139:17
Sep 20 02:56:57.158 INFO kablam!     |
Sep 20 02:56:57.158 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 20 02:56:57.158 INFO kablam!     |                 ----^^
Sep 20 02:56:57.158 INFO kablam!     |                 |
Sep 20 02:56:57.158 INFO kablam!     |                 help: remove this `mut`
Sep 20 02:56:57.158 INFO kablam!     |
Sep 20 02:56:57.158 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 20 02:56:57.158 INFO kablam! 
Sep 20 02:56:57.254 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
Sep 20 02:56:57.266 INFO kablam! su: No module specific data is present
Sep 20 02:56:58.076 INFO running `"docker" "rm" "-f" "85ce9c35ea89e23559abf65e093aadcf734fdbad41db0b0dc7d235f92815761f"`
Sep 20 02:56:58.199 INFO blam! 85ce9c35ea89e23559abf65e093aadcf734fdbad41db0b0dc7d235f92815761f