Aug 11 10:42:57.682 INFO checking jec-rccow-0.1.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1 Aug 11 10:42:57.683 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets Aug 11 10:42:57.683 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets Aug 11 10:42:57.683 INFO running `"docker" "create" "-v" "/tmp/crater.kMFs7HF2zrQQ:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-0/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"` Aug 11 10:42:58.093 INFO blam! 25dd4626bb5f7f6a1f56ee7a376ce9f31ccfc86a2666d03d10073ede302088ad Aug 11 10:42:58.095 INFO running `"docker" "start" "-a" "25dd4626bb5f7f6a1f56ee7a376ce9f31ccfc86a2666d03d10073ede302088ad"` Aug 11 10:42:59.290 INFO kablam! Checking jec-rccow v0.1.0 (file:///source) Aug 11 10:43:00.400 INFO kablam! warning: variable does not need to be mutable Aug 11 10:43:00.400 INFO kablam! --> src/lib.rs:73:13 Aug 11 10:43:00.400 INFO kablam! | Aug 11 10:43:00.400 INFO kablam! 73 | let mut a = RcCow::new(5i32); Aug 11 10:43:00.400 INFO kablam! | ----^ Aug 11 10:43:00.400 INFO kablam! | | Aug 11 10:43:00.400 INFO kablam! | help: remove this `mut` Aug 11 10:43:00.400 INFO kablam! | Aug 11 10:43:00.400 INFO kablam! = note: #[warn(unused_mut)] on by default Aug 11 10:43:00.400 INFO kablam! Aug 11 10:43:00.400 INFO kablam! warning: variable does not need to be mutable Aug 11 10:43:00.400 INFO kablam! --> src/lib.rs:77:13 Aug 11 10:43:00.400 INFO kablam! | Aug 11 10:43:00.400 INFO kablam! 77 | let mut c = b.clone(); Aug 11 10:43:00.400 INFO kablam! | ----^ Aug 11 10:43:00.400 INFO kablam! | | Aug 11 10:43:00.400 INFO kablam! | help: remove this `mut` Aug 11 10:43:00.400 INFO kablam! Aug 11 10:43:00.423 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.19s Aug 11 10:43:00.425 INFO kablam! su: No module specific data is present Aug 11 10:43:01.485 INFO running `"docker" "rm" "-f" "25dd4626bb5f7f6a1f56ee7a376ce9f31ccfc86a2666d03d10073ede302088ad"` Aug 11 10:43:01.657 INFO blam! 25dd4626bb5f7f6a1f56ee7a376ce9f31ccfc86a2666d03d10073ede302088ad