Sep 01 19:37:31.845 INFO checking gitter-slack-0.1.1 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 19:37:31.845 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 19:37:31.845 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-2/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 19:37:32.021 INFO blam! 2a053a391efa7fca3b0bc156200c0de6932e476afc7cce9ea9abd429868e31b7
Sep 01 19:37:32.023 INFO running `"docker" "start" "-a" "2a053a391efa7fca3b0bc156200c0de6932e476afc7cce9ea9abd429868e31b7"`
Sep 01 19:37:32.708 INFO kablam! warning: only one of `license` or `license-file` is necessary
Sep 01 19:37:32.891 INFO kablam!     Checking gitter-slack v0.1.1 (file:///source)
Sep 01 19:37:38.008 INFO kablam! warning: variable does not need to be mutable
Sep 01 19:37:38.008 INFO kablam!    --> src/main.rs:139:17
Sep 01 19:37:38.008 INFO kablam!     |
Sep 01 19:37:38.008 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 01 19:37:38.009 INFO kablam!     |                 ----^^
Sep 01 19:37:38.009 INFO kablam!     |                 |
Sep 01 19:37:38.009 INFO kablam!     |                 help: remove this `mut`
Sep 01 19:37:38.009 INFO kablam!     |
Sep 01 19:37:38.009 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 19:37:38.009 INFO kablam! 
Sep 01 19:37:38.225 INFO kablam! warning: variable does not need to be mutable
Sep 01 19:37:38.225 INFO kablam!    --> src/main.rs:139:17
Sep 01 19:37:38.225 INFO kablam!     |
Sep 01 19:37:38.225 INFO kablam! 139 |             let mut bf = &mut buffer;
Sep 01 19:37:38.225 INFO kablam!     |                 ----^^
Sep 01 19:37:38.225 INFO kablam!     |                 |
Sep 01 19:37:38.225 INFO kablam!     |                 help: remove this `mut`
Sep 01 19:37:38.225 INFO kablam!     |
Sep 01 19:37:38.225 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 19:37:38.225 INFO kablam! 
Sep 01 19:37:38.296 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
Sep 01 19:37:38.304 INFO kablam! su: No module specific data is present
Sep 01 19:37:38.830 INFO running `"docker" "rm" "-f" "2a053a391efa7fca3b0bc156200c0de6932e476afc7cce9ea9abd429868e31b7"`
Sep 01 19:37:38.970 INFO blam! 2a053a391efa7fca3b0bc156200c0de6932e476afc7cce9ea9abd429868e31b7