Aug 01 21:55:23.833 INFO checking smetamath-3.0.0 against 1.27.2 for lazy_static-1
Aug 01 21:55:23.833 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:55:23.833 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 21:55:23.834 INFO running `"docker" "create" "-v" "/tmp/crater.gpBS2iwPDgAl:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/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 21:55:24.107 INFO blam! d03be9f137bb7975084f59dd84f83f5824d92d8614f7c21ff12d544a9b851762
Aug 01 21:55:24.109 INFO running `"docker" "start" "-a" "d03be9f137bb7975084f59dd84f83f5824d92d8614f7c21ff12d544a9b851762"`
Aug 01 21:55:25.046 INFO kablam!     Checking unicode-width v0.1.5
Aug 01 21:55:25.046 INFO kablam!     Checking libc v0.2.42
Aug 01 21:55:25.046 INFO kablam!     Checking strsim v0.7.0
Aug 01 21:55:25.046 INFO kablam!     Checking vec_map v0.8.1
Aug 01 21:55:25.046 INFO kablam!     Checking ansi_term v0.11.0
Aug 01 21:55:25.047 INFO kablam!     Checking cfg-if v0.1.4
Aug 01 21:55:25.047 INFO kablam!     Checking bitflags v1.0.3
Aug 01 21:55:25.047 INFO kablam!     Checking fnv v1.0.6
Aug 01 21:55:27.297 INFO kablam!     Checking textwrap v0.10.0
Aug 01 21:55:31.713 INFO kablam!     Checking atty v0.2.11
Aug 01 21:55:31.714 INFO kablam!     Checking filetime v0.1.15
Aug 01 21:55:32.117 INFO kablam!     Checking clap v2.32.0
Aug 01 21:55:41.361 INFO kablam!     Checking smetamath v3.0.0 (file:///source)
Aug 01 21:55:45.292 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:55:45.292 INFO kablam!    --> src/database.rs:247:25
Aug 01 21:55:45.292 INFO kablam!     |
Aug 01 21:55:45.292 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Aug 01 21:55:45.292 INFO kablam!     |                         ----^^
Aug 01 21:55:45.292 INFO kablam!     |                         |
Aug 01 21:55:45.292 INFO kablam!     |                         help: remove this `mut`
Aug 01 21:55:45.300 INFO kablam!     |
Aug 01 21:55:45.300 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 01 21:55:45.300 INFO kablam! 
Aug 01 21:55:45.301 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:55:45.301 INFO kablam!    --> src/database.rs:247:25
Aug 01 21:55:45.301 INFO kablam!     |
Aug 01 21:55:45.301 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Aug 01 21:55:45.301 INFO kablam!     |                         ----^^
Aug 01 21:55:45.301 INFO kablam!     |                         |
Aug 01 21:55:45.301 INFO kablam!     |                         help: remove this `mut`
Aug 01 21:55:45.301 INFO kablam! 
Aug 01 21:55:45.304 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:55:45.304 INFO kablam!    --> src/database.rs:268:25
Aug 01 21:55:45.304 INFO kablam!     |
Aug 01 21:55:45.304 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Aug 01 21:55:45.304 INFO kablam!     |                         ----^^
Aug 01 21:55:45.304 INFO kablam!     |                         |
Aug 01 21:55:45.304 INFO kablam!     |                         help: remove this `mut`
Aug 01 21:55:45.304 INFO kablam! 
Aug 01 21:55:45.309 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:55:45.309 INFO kablam!    --> src/database.rs:291:25
Aug 01 21:55:45.309 INFO kablam!     |
Aug 01 21:55:45.309 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Aug 01 21:55:45.309 INFO kablam!     |                         ----^^^
Aug 01 21:55:45.309 INFO kablam!     |                         |
Aug 01 21:55:45.309 INFO kablam!     |                         help: remove this `mut`
Aug 01 21:55:45.320 INFO kablam! 
Aug 01 21:55:45.430 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:55:45.430 INFO kablam!    --> src/database.rs:247:25
Aug 01 21:55:45.430 INFO kablam!     |
Aug 01 21:55:45.430 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Aug 01 21:55:45.430 INFO kablam!     |                         ----^^
Aug 01 21:55:45.430 INFO kablam!     |                         |
Aug 01 21:55:45.430 INFO kablam!     |                         help: remove this `mut`
Aug 01 21:55:45.430 INFO kablam!     |
Aug 01 21:55:45.430 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 01 21:55:45.430 INFO kablam! 
Aug 01 21:55:45.430 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:55:45.430 INFO kablam!    --> src/database.rs:247:25
Aug 01 21:55:45.430 INFO kablam!     |
Aug 01 21:55:45.430 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Aug 01 21:55:45.430 INFO kablam!     |                         ----^^
Aug 01 21:55:45.430 INFO kablam!     |                         |
Aug 01 21:55:45.430 INFO kablam!     |                         help: remove this `mut`
Aug 01 21:55:45.431 INFO kablam! 
Aug 01 21:55:45.433 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:55:45.433 INFO kablam!    --> src/database.rs:268:25
Aug 01 21:55:45.433 INFO kablam!     |
Aug 01 21:55:45.433 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Aug 01 21:55:45.433 INFO kablam!     |                         ----^^
Aug 01 21:55:45.433 INFO kablam!     |                         |
Aug 01 21:55:45.433 INFO kablam!     |                         help: remove this `mut`
Aug 01 21:55:45.433 INFO kablam! 
Aug 01 21:55:45.436 INFO kablam! warning: variable does not need to be mutable
Aug 01 21:55:45.436 INFO kablam!    --> src/database.rs:291:25
Aug 01 21:55:45.436 INFO kablam!     |
Aug 01 21:55:45.436 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Aug 01 21:55:45.437 INFO kablam!     |                         ----^^^
Aug 01 21:55:45.437 INFO kablam!     |                         |
Aug 01 21:55:45.437 INFO kablam!     |                         help: remove this `mut`
Aug 01 21:55:45.437 INFO kablam! 
Aug 01 21:55:46.719 INFO kablam!     Finished dev [optimized + debuginfo] target(s) in 21.77s
Aug 01 21:55:46.724 INFO kablam! su: No module specific data is present
Aug 01 21:55:47.348 INFO running `"docker" "rm" "-f" "d03be9f137bb7975084f59dd84f83f5824d92d8614f7c21ff12d544a9b851762"`
Aug 01 21:55:47.510 INFO blam! d03be9f137bb7975084f59dd84f83f5824d92d8614f7c21ff12d544a9b851762