Sep 19 19:14:01.104 INFO checking tap-0.2.1 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352 Sep 19 19:14:01.104 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets Sep 19 19:14:01.104 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-5/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 19 19:14:01.295 INFO blam! acb63e3114a9c28267be00149d9a6ed943d22a35bd6800e68d87b506ec4937f0 Sep 19 19:14:01.297 INFO running `"docker" "start" "-a" "acb63e3114a9c28267be00149d9a6ed943d22a35bd6800e68d87b506ec4937f0"` Sep 19 19:14:02.031 INFO kablam! usermod: no changes Sep 19 19:14:02.066 INFO kablam! Checking tap v0.2.1 (/source) Sep 19 19:14:02.335 INFO kablam! warning: variable does not need to be mutable Sep 19 19:14:02.335 INFO kablam! --> src/lib.rs:72:21 Sep 19 19:14:02.335 INFO kablam! | Sep 19 19:14:02.335 INFO kablam! 72 | if let Some(mut val) = self.as_mut() { Sep 19 19:14:02.335 INFO kablam! | ----^^^ Sep 19 19:14:02.335 INFO kablam! | | Sep 19 19:14:02.335 INFO kablam! | help: remove this `mut` Sep 19 19:14:02.335 INFO kablam! | Sep 19 19:14:02.335 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 19 19:14:02.335 INFO kablam! Sep 19 19:14:02.446 INFO kablam! warning: unused `#[macro_use]` import Sep 19 19:14:02.446 INFO kablam! --> src/lib.rs:8:18 Sep 19 19:14:02.446 INFO kablam! | Sep 19 19:14:02.446 INFO kablam! 8 | #[cfg_attr(test, macro_use)] Sep 19 19:14:02.446 INFO kablam! | ^^^^^^^^^^ Sep 19 19:14:02.446 INFO kablam! | Sep 19 19:14:02.446 INFO kablam! = note: #[warn(unused_imports)] on by default Sep 19 19:14:02.446 INFO kablam! Sep 19 19:14:02.570 INFO kablam! warning: variable does not need to be mutable Sep 19 19:14:02.570 INFO kablam! --> src/lib.rs:72:21 Sep 19 19:14:02.570 INFO kablam! | Sep 19 19:14:02.570 INFO kablam! 72 | if let Some(mut val) = self.as_mut() { Sep 19 19:14:02.570 INFO kablam! | ----^^^ Sep 19 19:14:02.570 INFO kablam! | | Sep 19 19:14:02.570 INFO kablam! | help: remove this `mut` Sep 19 19:14:02.570 INFO kablam! | Sep 19 19:14:02.570 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 19 19:14:02.570 INFO kablam! Sep 19 19:14:02.590 INFO kablam! warning: variable does not need to be mutable Sep 19 19:14:02.590 INFO kablam! --> src/lib.rs:135:33 Sep 19 19:14:02.590 INFO kablam! | Sep 19 19:14:02.590 INFO kablam! 135 | let mutated = base.tap(|mut arr| for elt in arr.iter_mut() { Sep 19 19:14:02.590 INFO kablam! | ----^^^ Sep 19 19:14:02.590 INFO kablam! | | Sep 19 19:14:02.590 INFO kablam! | help: remove this `mut` Sep 19 19:14:02.590 INFO kablam! Sep 19 19:14:02.765 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.71s Sep 19 19:14:02.766 INFO kablam! su: No module specific data is present Sep 19 19:14:03.367 INFO running `"docker" "rm" "-f" "acb63e3114a9c28267be00149d9a6ed943d22a35bd6800e68d87b506ec4937f0"` Sep 19 19:14:03.594 INFO blam! acb63e3114a9c28267be00149d9a6ed943d22a35bd6800e68d87b506ec4937f0