Sep 14 08:40:58.489 INFO checking specs_engine-0.0.3 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1 Sep 14 08:40:58.489 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets Sep 14 08:40:58.489 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 14 08:40:58.879 INFO blam! dcb453931ec5e2cd9193f5019171707c246163b3eb7311ada79d698dba06c77f Sep 14 08:40:58.880 INFO running `"docker" "start" "-a" "dcb453931ec5e2cd9193f5019171707c246163b3eb7311ada79d698dba06c77f"` Sep 14 08:41:00.969 INFO kablam! usermod: no changes Sep 14 08:41:01.139 INFO kablam! Checking slog v1.7.1 Sep 14 08:41:01.139 INFO kablam! Checking atom v0.3.5 Sep 14 08:41:01.143 INFO kablam! Checking mopa v0.2.2 Sep 14 08:41:01.155 INFO kablam! Checking tuple_utils v0.2.0 Sep 14 08:41:02.314 INFO kablam! Checking pulse v0.5.3 Sep 14 08:41:03.152 INFO kablam! Checking slog-extra v0.1.2 Sep 14 08:41:03.491 INFO kablam! Checking specs v0.7.1 Sep 14 08:41:03.717 INFO kablam! Checking slog-stream v1.2.1 Sep 14 08:41:04.356 INFO kablam! Checking slog-term v1.5.0 Sep 14 08:41:06.776 INFO kablam! Checking specs_engine v0.0.3 (file:///source) Sep 14 08:41:07.907 INFO kablam! warning: variable does not need to be mutable Sep 14 08:41:07.907 INFO kablam! --> src/machine.rs:39:17 Sep 14 08:41:07.907 INFO kablam! | Sep 14 08:41:07.907 INFO kablam! 39 | let mut state = self._stack.last_mut().expect("Called long update without a state in the stack!"); Sep 14 08:41:07.907 INFO kablam! | ----^^^^^ Sep 14 08:41:07.907 INFO kablam! | | Sep 14 08:41:07.907 INFO kablam! | help: remove this `mut` Sep 14 08:41:07.907 INFO kablam! | Sep 14 08:41:07.907 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 14 08:41:07.907 INFO kablam! Sep 14 08:41:07.911 INFO kablam! warning: variable does not need to be mutable Sep 14 08:41:07.911 INFO kablam! --> src/machine.rs:73:30 Sep 14 08:41:07.911 INFO kablam! | Sep 14 08:41:07.911 INFO kablam! 73 | if let Some(mut state) = self._stack.last_mut() { Sep 14 08:41:07.911 INFO kablam! | ----^^^^^ Sep 14 08:41:07.911 INFO kablam! | | Sep 14 08:41:07.911 INFO kablam! | help: remove this `mut` Sep 14 08:41:07.911 INFO kablam! Sep 14 08:41:08.194 INFO kablam! warning: variable does not need to be mutable Sep 14 08:41:08.194 INFO kablam! --> src/machine.rs:39:17 Sep 14 08:41:08.194 INFO kablam! | Sep 14 08:41:08.194 INFO kablam! 39 | let mut state = self._stack.last_mut().expect("Called long update without a state in the stack!"); Sep 14 08:41:08.194 INFO kablam! | ----^^^^^ Sep 14 08:41:08.194 INFO kablam! | | Sep 14 08:41:08.194 INFO kablam! | help: remove this `mut` Sep 14 08:41:08.194 INFO kablam! | Sep 14 08:41:08.194 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 14 08:41:08.194 INFO kablam! Sep 14 08:41:08.202 INFO kablam! warning: variable does not need to be mutable Sep 14 08:41:08.203 INFO kablam! --> src/machine.rs:73:30 Sep 14 08:41:08.203 INFO kablam! | Sep 14 08:41:08.203 INFO kablam! 73 | if let Some(mut state) = self._stack.last_mut() { Sep 14 08:41:08.203 INFO kablam! | ----^^^^^ Sep 14 08:41:08.203 INFO kablam! | | Sep 14 08:41:08.203 INFO kablam! | help: remove this `mut` Sep 14 08:41:08.203 INFO kablam! Sep 14 08:41:08.923 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 7.92s Sep 14 08:41:08.930 INFO kablam! su: No module specific data is present Sep 14 08:41:10.006 INFO running `"docker" "rm" "-f" "dcb453931ec5e2cd9193f5019171707c246163b3eb7311ada79d698dba06c77f"` Sep 14 08:41:10.247 INFO blam! dcb453931ec5e2cd9193f5019171707c246163b3eb7311ada79d698dba06c77f