Aug 17 23:40:11.662 INFO checking emit-0.10.0 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 23:40:11.662 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 23:40:11.663 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 23:40:11.663 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-7/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 23:40:11.938 INFO blam! 58d2ca70246794b2232037ab56542abdff096716c4fae1ca5532f80d2dcca7ef
Aug 17 23:40:11.940 INFO running `"docker" "start" "-a" "58d2ca70246794b2232037ab56542abdff096716c4fae1ca5532f80d2dcca7ef"`
Aug 17 23:40:12.967 INFO kablam!     Checking emit v0.10.0 (file:///source)
Aug 17 23:40:15.259 INFO kablam! warning: variable does not need to be mutable
Aug 17 23:40:15.259 INFO kablam!   --> src/collectors/stdio/mod.rs:36:21
Aug 17 23:40:15.260 INFO kablam!    |
Aug 17 23:40:15.260 INFO kablam! 36 |                 let mut to = &mut err.lock();
Aug 17 23:40:15.260 INFO kablam!    |                     ----^^
Aug 17 23:40:15.260 INFO kablam!    |                     |
Aug 17 23:40:15.260 INFO kablam!    |                     help: remove this `mut`
Aug 17 23:40:15.270 INFO kablam!    |
Aug 17 23:40:15.270 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 17 23:40:15.270 INFO kablam! 
Aug 17 23:40:15.271 INFO kablam! warning: variable does not need to be mutable
Aug 17 23:40:15.271 INFO kablam!   --> src/collectors/stdio/mod.rs:40:21
Aug 17 23:40:15.271 INFO kablam!    |
Aug 17 23:40:15.271 INFO kablam! 40 |                 let mut to = &mut out.lock();
Aug 17 23:40:15.271 INFO kablam!    |                     ----^^
Aug 17 23:40:15.271 INFO kablam!    |                     |
Aug 17 23:40:15.271 INFO kablam!    |                     help: remove this `mut`
Aug 17 23:40:15.271 INFO kablam! 
Aug 17 23:40:15.704 INFO kablam! warning: variable does not need to be mutable
Aug 17 23:40:15.704 INFO kablam!   --> src/collectors/stdio/mod.rs:36:21
Aug 17 23:40:15.704 INFO kablam!    |
Aug 17 23:40:15.704 INFO kablam! 36 |                 let mut to = &mut err.lock();
Aug 17 23:40:15.704 INFO kablam!    |                     ----^^
Aug 17 23:40:15.704 INFO kablam!    |                     |
Aug 17 23:40:15.704 INFO kablam!    |                     help: remove this `mut`
Aug 17 23:40:15.705 INFO kablam!    |
Aug 17 23:40:15.705 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 17 23:40:15.706 INFO kablam! 
Aug 17 23:40:15.706 INFO kablam! warning: variable does not need to be mutable
Aug 17 23:40:15.706 INFO kablam!   --> src/collectors/stdio/mod.rs:40:21
Aug 17 23:40:15.706 INFO kablam!    |
Aug 17 23:40:15.706 INFO kablam! 40 |                 let mut to = &mut out.lock();
Aug 17 23:40:15.706 INFO kablam!    |                     ----^^
Aug 17 23:40:15.706 INFO kablam!    |                     |
Aug 17 23:40:15.706 INFO kablam!    |                     help: remove this `mut`
Aug 17 23:40:15.707 INFO kablam! 
Aug 17 23:40:16.788 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.93s
Aug 17 23:40:16.794 INFO kablam! su: No module specific data is present
Aug 17 23:40:17.454 INFO running `"docker" "rm" "-f" "58d2ca70246794b2232037ab56542abdff096716c4fae1ca5532f80d2dcca7ef"`
Aug 17 23:40:17.667 INFO blam! 58d2ca70246794b2232037ab56542abdff096716c4fae1ca5532f80d2dcca7ef