Aug 31 11:38:05.475 INFO checking tap-0.2.1 against master#d0d81b7fc1421859ba0218e8a437af29ae3b0967 for pr-53578 Aug 31 11:38:05.475 INFO running: cargo +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets Aug 31 11:38:05.475 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53578/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-1/master#d0d81b7fc1421859ba0218e8a437af29ae3b0967:/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 +d0d81b7fc1421859ba0218e8a437af29ae3b0967-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Aug 31 11:38:05.649 INFO blam! 6ab1828f14dfc80af35665d16be221c32a81bfe9dc74f42bd84c23dee153b344 Aug 31 11:38:05.651 INFO running `"docker" "start" "-a" "6ab1828f14dfc80af35665d16be221c32a81bfe9dc74f42bd84c23dee153b344"` Aug 31 11:38:06.386 INFO kablam! Checking tap v0.2.1 (file:///source) Aug 31 11:38:06.671 INFO kablam! warning: unused `#[macro_use]` import Aug 31 11:38:06.671 INFO kablam! --> src/lib.rs:8:18 Aug 31 11:38:06.671 INFO kablam! | Aug 31 11:38:06.671 INFO kablam! 8 | #[cfg_attr(test, macro_use)] Aug 31 11:38:06.671 INFO kablam! | ^^^^^^^^^^ Aug 31 11:38:06.671 INFO kablam! | Aug 31 11:38:06.671 INFO kablam! = note: #[warn(unused_imports)] on by default Aug 31 11:38:06.671 INFO kablam! Aug 31 11:38:06.683 INFO kablam! warning: variable does not need to be mutable Aug 31 11:38:06.686 INFO kablam! --> src/lib.rs:72:21 Aug 31 11:38:06.686 INFO kablam! | Aug 31 11:38:06.686 INFO kablam! 72 | if let Some(mut val) = self.as_mut() { Aug 31 11:38:06.686 INFO kablam! | ----^^^ Aug 31 11:38:06.686 INFO kablam! | | Aug 31 11:38:06.686 INFO kablam! | help: remove this `mut` Aug 31 11:38:06.686 INFO kablam! | Aug 31 11:38:06.686 INFO kablam! = note: #[warn(unused_mut)] on by default Aug 31 11:38:06.686 INFO kablam! Aug 31 11:38:06.916 INFO kablam! warning: variable does not need to be mutable Aug 31 11:38:06.916 INFO kablam! --> src/lib.rs:72:21 Aug 31 11:38:06.916 INFO kablam! | Aug 31 11:38:06.916 INFO kablam! 72 | if let Some(mut val) = self.as_mut() { Aug 31 11:38:06.916 INFO kablam! | ----^^^ Aug 31 11:38:06.916 INFO kablam! | | Aug 31 11:38:06.916 INFO kablam! | help: remove this `mut` Aug 31 11:38:06.916 INFO kablam! | Aug 31 11:38:06.916 INFO kablam! = note: #[warn(unused_mut)] on by default Aug 31 11:38:06.916 INFO kablam! Aug 31 11:38:06.941 INFO kablam! warning: variable does not need to be mutable Aug 31 11:38:06.941 INFO kablam! --> src/lib.rs:135:33 Aug 31 11:38:06.941 INFO kablam! | Aug 31 11:38:06.941 INFO kablam! 135 | let mutated = base.tap(|mut arr| for elt in arr.iter_mut() { Aug 31 11:38:06.941 INFO kablam! | ----^^^ Aug 31 11:38:06.941 INFO kablam! | | Aug 31 11:38:06.942 INFO kablam! | help: remove this `mut` Aug 31 11:38:06.942 INFO kablam! Aug 31 11:38:07.205 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.83s Aug 31 11:38:07.214 INFO kablam! su: No module specific data is present Aug 31 11:38:07.733 INFO running `"docker" "rm" "-f" "6ab1828f14dfc80af35665d16be221c32a81bfe9dc74f42bd84c23dee153b344"` Aug 31 11:38:07.894 INFO blam! 6ab1828f14dfc80af35665d16be221c32a81bfe9dc74f42bd84c23dee153b344