Sep 10 18:25:18.525 INFO checking gitter-slack-0.1.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 18:25:18.525 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 18:25:18.525 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 18:25:18.854 INFO blam! 2ae4da44e329b403c8f1492eb33e85d8fd5b250de55446625a737df3827dd5f7
Sep 10 18:25:18.856 INFO running `"docker" "start" "-a" "2ae4da44e329b403c8f1492eb33e85d8fd5b250de55446625a737df3827dd5f7"`
Sep 10 18:25:20.154 INFO kablam! usermod: no changes
Sep 10 18:25:20.214 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 10 18:25:20.438 INFO kablam!     Checking gitter-slack v0.1.1 (file:///source)
Sep 10 18:25:25.119 INFO kablam! warning: variable does not need to be mutable
Sep 10 18:25:25.119 INFO kablam!    --> src/main.rs:139:17
Sep 10 18:25:25.119 INFO kablam!     |
Sep 10 18:25:25.119 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 10 18:25:25.119 INFO kablam!     |                 ----^^
Sep 10 18:25:25.119 INFO kablam!     |                 |
Sep 10 18:25:25.119 INFO kablam!     |                 help: remove this `mut`
Sep 10 18:25:25.119 INFO kablam!     |
Sep 10 18:25:25.119 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 18:25:25.119 INFO kablam! 
Sep 10 18:25:25.326 INFO kablam! warning: variable does not need to be mutable
Sep 10 18:25:25.326 INFO kablam!    --> src/main.rs:139:17
Sep 10 18:25:25.326 INFO kablam!     |
Sep 10 18:25:25.326 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 10 18:25:25.326 INFO kablam!     |                 ----^^
Sep 10 18:25:25.326 INFO kablam!     |                 |
Sep 10 18:25:25.326 INFO kablam!     |                 help: remove this `mut`
Sep 10 18:25:25.338 INFO kablam!     |
Sep 10 18:25:25.338 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 18:25:25.338 INFO kablam! 
Sep 10 18:25:25.470 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.28s
Sep 10 18:25:25.495 INFO kablam! su: No module specific data is present
Sep 10 18:25:26.898 INFO running `"docker" "rm" "-f" "2ae4da44e329b403c8f1492eb33e85d8fd5b250de55446625a737df3827dd5f7"`
Sep 10 18:25:27.009 INFO blam! 2ae4da44e329b403c8f1492eb33e85d8fd5b250de55446625a737df3827dd5f7