Aug 17 19:10:03.596 INFO checking jec-rccow-0.1.0 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 19:10:03.596 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 19:10:03.596 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 19:10:03.596 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/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 19:10:03.849 INFO blam! 77a610aede25d152d5a142dff89e2f3b9f1bf700594337a1f30bf980b7a64605
Aug 17 19:10:03.852 INFO running `"docker" "start" "-a" "77a610aede25d152d5a142dff89e2f3b9f1bf700594337a1f30bf980b7a64605"`
Aug 17 19:10:04.748 INFO kablam!     Checking jec-rccow v0.1.0 (file:///source)
Aug 17 19:10:05.888 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:10:05.889 INFO kablam!   --> src/lib.rs:73:13
Aug 17 19:10:05.889 INFO kablam!    |
Aug 17 19:10:05.889 INFO kablam! 73 |         let mut a = RcCow::new(5i32);
Aug 17 19:10:05.889 INFO kablam!    |             ----^
Aug 17 19:10:05.889 INFO kablam!    |             |
Aug 17 19:10:05.889 INFO kablam!    |             help: remove this `mut`
Aug 17 19:10:05.889 INFO kablam!    |
Aug 17 19:10:05.889 INFO kablam!    = note: #[warn(unused_mut)] on by default
Aug 17 19:10:05.889 INFO kablam! 
Aug 17 19:10:05.890 INFO kablam! warning: variable does not need to be mutable
Aug 17 19:10:05.890 INFO kablam!   --> src/lib.rs:77:13
Aug 17 19:10:05.890 INFO kablam!    |
Aug 17 19:10:05.890 INFO kablam! 77 |         let mut c = b.clone();
Aug 17 19:10:05.890 INFO kablam!    |             ----^
Aug 17 19:10:05.890 INFO kablam!    |             |
Aug 17 19:10:05.890 INFO kablam!    |             help: remove this `mut`
Aug 17 19:10:05.890 INFO kablam! 
Aug 17 19:10:05.928 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
Aug 17 19:10:05.931 INFO kablam! su: No module specific data is present
Aug 17 19:10:06.414 INFO running `"docker" "rm" "-f" "77a610aede25d152d5a142dff89e2f3b9f1bf700594337a1f30bf980b7a64605"`
Aug 17 19:10:06.576 INFO blam! 77a610aede25d152d5a142dff89e2f3b9f1bf700594337a1f30bf980b7a64605