Sep 04 22:40:55.660 INFO checking buffoon-0.5.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 22:40:55.660 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 22:40:55.660 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 22:40:55.838 INFO blam! 4534ebab331993128094d6a1add222bfd7704bc63d03afc507379dfb3cc679eb
Sep 04 22:40:55.839 INFO running `"docker" "start" "-a" "4534ebab331993128094d6a1add222bfd7704bc63d03afc507379dfb3cc679eb"`
Sep 04 22:40:56.469 INFO kablam!     Checking buffoon v0.5.0 (file:///source)
Sep 04 22:40:57.450 INFO kablam! warning: variable does not need to be mutable
Sep 04 22:40:57.451 INFO kablam!    --> src/input_stream.rs:104:17
Sep 04 22:40:57.451 INFO kablam!     |
Sep 04 22:40:57.451 INFO kablam! 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Sep 04 22:40:57.451 INFO kablam!     |                 ----^^^
Sep 04 22:40:57.451 INFO kablam!     |                 |
Sep 04 22:40:57.451 INFO kablam!     |                 help: remove this `mut`
Sep 04 22:40:57.451 INFO kablam!     |
Sep 04 22:40:57.451 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 22:40:57.451 INFO kablam! 
Sep 04 22:40:57.702 INFO kablam! warning: variable does not need to be mutable
Sep 04 22:40:57.702 INFO kablam!    --> src/input_stream.rs:104:17
Sep 04 22:40:57.702 INFO kablam!     |
Sep 04 22:40:57.702 INFO kablam! 104 |             let mut buf = slice::from_raw_parts_mut(ret.as_mut_ptr(), len);
Sep 04 22:40:57.702 INFO kablam!     |                 ----^^^
Sep 04 22:40:57.702 INFO kablam!     |                 |
Sep 04 22:40:57.702 INFO kablam!     |                 help: remove this `mut`
Sep 04 22:40:57.703 INFO kablam!     |
Sep 04 22:40:57.703 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 04 22:40:57.703 INFO kablam! 
Sep 04 22:40:57.838 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Sep 04 22:40:57.841 INFO kablam! su: No module specific data is present
Sep 04 22:40:58.278 INFO running `"docker" "rm" "-f" "4534ebab331993128094d6a1add222bfd7704bc63d03afc507379dfb3cc679eb"`
Sep 04 22:40:58.402 INFO blam! 4534ebab331993128094d6a1add222bfd7704bc63d03afc507379dfb3cc679eb