Aug 01 20:50:47.261 INFO checking tap-0.2.1 against 1.27.2 for lazy_static-1 Aug 01 20:50:47.261 INFO running: cargo +1.27.2 check --frozen --all --all-targets Aug 01 20:50:47.261 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets Aug 01 20:50:47.261 INFO running `"docker" "create" "-v" "/tmp/crater.CjgfJ7QQczbm:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"` Aug 01 20:50:47.515 INFO blam! edfb137f40e981ccdf6358bf0a9957a324fc9bbab56a5bd85be88f0c3359b543 Aug 01 20:50:47.517 INFO running `"docker" "start" "-a" "edfb137f40e981ccdf6358bf0a9957a324fc9bbab56a5bd85be88f0c3359b543"` Aug 01 20:50:48.370 INFO kablam! Checking tap v0.2.1 (file:///source) Aug 01 20:50:49.118 INFO kablam! warning: variable does not need to be mutable Aug 01 20:50:49.118 INFO kablam! --> src/lib.rs:72:21 Aug 01 20:50:49.118 INFO kablam! | Aug 01 20:50:49.118 INFO kablam! 72 | if let Some(mut val) = self.as_mut() { Aug 01 20:50:49.118 INFO kablam! | ----^^^ Aug 01 20:50:49.118 INFO kablam! | | Aug 01 20:50:49.118 INFO kablam! | help: remove this `mut` Aug 01 20:50:49.118 INFO kablam! | Aug 01 20:50:49.118 INFO kablam! = note: #[warn(unused_mut)] on by default Aug 01 20:50:49.118 INFO kablam! Aug 01 20:50:49.214 INFO kablam! warning: unused `#[macro_use]` import Aug 01 20:50:49.214 INFO kablam! --> src/lib.rs:8:18 Aug 01 20:50:49.214 INFO kablam! | Aug 01 20:50:49.214 INFO kablam! 8 | #[cfg_attr(test, macro_use)] Aug 01 20:50:49.214 INFO kablam! | ^^^^^^^^^^ Aug 01 20:50:49.214 INFO kablam! | Aug 01 20:50:49.214 INFO kablam! = note: #[warn(unused_imports)] on by default Aug 01 20:50:49.214 INFO kablam! Aug 01 20:50:49.681 INFO kablam! warning: variable does not need to be mutable Aug 01 20:50:49.681 INFO kablam! --> src/lib.rs:72:21 Aug 01 20:50:49.681 INFO kablam! | Aug 01 20:50:49.681 INFO kablam! 72 | if let Some(mut val) = self.as_mut() { Aug 01 20:50:49.681 INFO kablam! | ----^^^ Aug 01 20:50:49.681 INFO kablam! | | Aug 01 20:50:49.681 INFO kablam! | help: remove this `mut` Aug 01 20:50:49.682 INFO kablam! | Aug 01 20:50:49.682 INFO kablam! = note: #[warn(unused_mut)] on by default Aug 01 20:50:49.682 INFO kablam! Aug 01 20:50:49.781 INFO kablam! warning: variable does not need to be mutable Aug 01 20:50:49.781 INFO kablam! --> src/lib.rs:135:33 Aug 01 20:50:49.781 INFO kablam! | Aug 01 20:50:49.781 INFO kablam! 135 | let mutated = base.tap(|mut arr| for elt in arr.iter_mut() { Aug 01 20:50:49.781 INFO kablam! | ----^^^ Aug 01 20:50:49.781 INFO kablam! | | Aug 01 20:50:49.781 INFO kablam! | help: remove this `mut` Aug 01 20:50:49.787 INFO kablam! Aug 01 20:50:50.245 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.89s Aug 01 20:50:50.257 INFO kablam! su: No module specific data is present Aug 01 20:50:50.763 INFO running `"docker" "rm" "-f" "edfb137f40e981ccdf6358bf0a9957a324fc9bbab56a5bd85be88f0c3359b543"` Aug 01 20:50:50.921 INFO blam! edfb137f40e981ccdf6358bf0a9957a324fc9bbab56a5bd85be88f0c3359b543