Sep 20 01:23:28.938 INFO checking jec-rccow-0.1.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 01:23:28.938 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 01:23:28.938 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 01:23:29.158 INFO blam! 9e6ae0bb05f57354ab38b51e970364a063ca613f19f6aad4c54ac33ee513418e
Sep 20 01:23:29.160 INFO running `"docker" "start" "-a" "9e6ae0bb05f57354ab38b51e970364a063ca613f19f6aad4c54ac33ee513418e"`
Sep 20 01:23:30.061 INFO kablam! usermod: no changes
Sep 20 01:23:30.105 INFO kablam!     Checking jec-rccow v0.1.0 (/source)
Sep 20 01:23:30.910 INFO kablam! warning: variable does not need to be mutable
Sep 20 01:23:30.910 INFO kablam!   --> src/lib.rs:73:13
Sep 20 01:23:30.910 INFO kablam!    |
Sep 20 01:23:30.910 INFO kablam! 73 |         let mut a = RcCow::new(5i32);
Sep 20 01:23:30.910 INFO kablam!    |             ----^
Sep 20 01:23:30.910 INFO kablam!    |             |
Sep 20 01:23:30.910 INFO kablam!    |             help: remove this `mut`
Sep 20 01:23:30.910 INFO kablam!    |
Sep 20 01:23:30.910 INFO kablam!    = note: #[warn(unused_mut)] on by default
Sep 20 01:23:30.910 INFO kablam! 
Sep 20 01:23:30.910 INFO kablam! warning: variable does not need to be mutable
Sep 20 01:23:30.910 INFO kablam!   --> src/lib.rs:77:13
Sep 20 01:23:30.910 INFO kablam!    |
Sep 20 01:23:30.910 INFO kablam! 77 |         let mut c = b.clone();
Sep 20 01:23:30.910 INFO kablam!    |             ----^
Sep 20 01:23:30.910 INFO kablam!    |             |
Sep 20 01:23:30.910 INFO kablam!    |             help: remove this `mut`
Sep 20 01:23:30.910 INFO kablam! 
Sep 20 01:23:30.947 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
Sep 20 01:23:30.956 INFO kablam! su: No module specific data is present
Sep 20 01:23:32.400 INFO running `"docker" "rm" "-f" "9e6ae0bb05f57354ab38b51e970364a063ca613f19f6aad4c54ac33ee513418e"`
Sep 20 01:23:32.509 INFO blam! 9e6ae0bb05f57354ab38b51e970364a063ca613f19f6aad4c54ac33ee513418e