Sep 10 06:54:19.731 INFO checking varuint-0.3.4 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090 Sep 10 06:54:19.731 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets Sep 10 06:54:19.731 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"` Sep 10 06:54:19.976 INFO blam! b867a0e6757603c211721f2cd8f8967502b0dc7cc3ec41c5a23e3bc099e03e12 Sep 10 06:54:19.978 INFO running `"docker" "start" "-a" "b867a0e6757603c211721f2cd8f8967502b0dc7cc3ec41c5a23e3bc099e03e12"` Sep 10 06:54:20.808 INFO kablam! usermod: no changes Sep 10 06:54:20.860 INFO kablam! Checking varuint v0.3.4 (file:///source) Sep 10 06:54:21.146 INFO kablam! warning: variable does not need to be mutable Sep 10 06:54:21.146 INFO kablam! --> src/varuint.rs:114:29 Sep 10 06:54:21.146 INFO kablam! | Sep 10 06:54:21.146 INFO kablam! 114 | fn serialize_buf(&self, mut buf: &mut [u8]) -> usize { Sep 10 06:54:21.146 INFO kablam! | ----^^^ Sep 10 06:54:21.146 INFO kablam! | | Sep 10 06:54:21.146 INFO kablam! | help: remove this `mut` Sep 10 06:54:21.146 INFO kablam! | Sep 10 06:54:21.146 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 10 06:54:21.146 INFO kablam! Sep 10 06:54:21.150 INFO kablam! warning: variable does not need to be mutable Sep 10 06:54:21.150 INFO kablam! --> src/varuint.rs:187:20 Sep 10 06:54:21.150 INFO kablam! | Sep 10 06:54:21.150 INFO kablam! 187 | fn deserialize(mut r: &mut Read) -> Result { Sep 10 06:54:21.150 INFO kablam! | ----^ Sep 10 06:54:21.150 INFO kablam! | | Sep 10 06:54:21.150 INFO kablam! | help: remove this `mut` Sep 10 06:54:21.150 INFO kablam! Sep 10 06:54:21.157 INFO kablam! warning: variable does not need to be mutable Sep 10 06:54:21.157 INFO kablam! --> src/varuint.rs:372:20 Sep 10 06:54:21.157 INFO kablam! | Sep 10 06:54:21.157 INFO kablam! 372 | fn deserialize(mut r: &mut Read) -> Result { Sep 10 06:54:21.157 INFO kablam! | ----^ Sep 10 06:54:21.157 INFO kablam! | | Sep 10 06:54:21.157 INFO kablam! | help: remove this `mut` Sep 10 06:54:21.157 INFO kablam! Sep 10 06:54:21.233 INFO kablam! warning: variable does not need to be mutable Sep 10 06:54:21.233 INFO kablam! --> src/varuint.rs:114:29 Sep 10 06:54:21.233 INFO kablam! | Sep 10 06:54:21.233 INFO kablam! 114 | fn serialize_buf(&self, mut buf: &mut [u8]) -> usize { Sep 10 06:54:21.233 INFO kablam! | ----^^^ Sep 10 06:54:21.233 INFO kablam! | | Sep 10 06:54:21.234 INFO kablam! | help: remove this `mut` Sep 10 06:54:21.234 INFO kablam! | Sep 10 06:54:21.234 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 10 06:54:21.234 INFO kablam! Sep 10 06:54:21.239 INFO kablam! warning: variable does not need to be mutable Sep 10 06:54:21.239 INFO kablam! --> src/varuint.rs:187:20 Sep 10 06:54:21.239 INFO kablam! | Sep 10 06:54:21.239 INFO kablam! 187 | fn deserialize(mut r: &mut Read) -> Result { Sep 10 06:54:21.239 INFO kablam! | ----^ Sep 10 06:54:21.239 INFO kablam! | | Sep 10 06:54:21.239 INFO kablam! | help: remove this `mut` Sep 10 06:54:21.239 INFO kablam! Sep 10 06:54:21.244 INFO kablam! warning: variable does not need to be mutable Sep 10 06:54:21.245 INFO kablam! --> src/varuint.rs:372:20 Sep 10 06:54:21.245 INFO kablam! | Sep 10 06:54:21.245 INFO kablam! 372 | fn deserialize(mut r: &mut Read) -> Result { Sep 10 06:54:21.245 INFO kablam! | ----^ Sep 10 06:54:21.245 INFO kablam! | | Sep 10 06:54:21.245 INFO kablam! | help: remove this `mut` Sep 10 06:54:21.245 INFO kablam! Sep 10 06:54:21.278 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.44s Sep 10 06:54:21.279 INFO kablam! su: No module specific data is present Sep 10 06:54:22.192 INFO running `"docker" "rm" "-f" "b867a0e6757603c211721f2cd8f8967502b0dc7cc3ec41c5a23e3bc099e03e12"` Sep 10 06:54:22.291 INFO blam! b867a0e6757603c211721f2cd8f8967502b0dc7cc3ec41c5a23e3bc099e03e12