Jul 11 21:34:34.055 INFO checking smetamath-3.0.0 against try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255 for pr-52234
Jul 11 21:34:34.055 INFO running: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 11 21:34:34.055 INFO creating container for: cargo +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets
Jul 11 21:34:34.055 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-52234/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-52234/worker-3/try#d39a6f7eddafd45dcc60e99001b8cd08c2bd3255:/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 +d39a6f7eddafd45dcc60e99001b8cd08c2bd3255-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Jul 11 21:34:34.277 INFO blam! ef485cbc34a01606590755d6f198ca367dbf9fa38d05cb3820f677667350fa85
Jul 11 21:34:34.280 INFO running `"docker" "start" "-a" "ef485cbc34a01606590755d6f198ca367dbf9fa38d05cb3820f677667350fa85"`
Jul 11 21:34:35.358 INFO kablam!     Checking unicode-width v0.1.5
Jul 11 21:34:35.360 INFO kablam!     Checking libc v0.2.42
Jul 11 21:34:35.360 INFO kablam!     Checking cfg-if v0.1.4
Jul 11 21:34:35.360 INFO kablam!     Checking vec_map v0.8.1
Jul 11 21:34:35.361 INFO kablam!     Checking bitflags v1.0.3
Jul 11 21:34:35.361 INFO kablam!     Checking strsim v0.7.0
Jul 11 21:34:35.361 INFO kablam!     Checking ansi_term v0.11.0
Jul 11 21:34:35.366 INFO kablam!     Checking fnv v1.0.6
Jul 11 21:34:36.675 INFO kablam!     Checking textwrap v0.10.0
Jul 11 21:34:41.043 INFO kablam!     Checking atty v0.2.10
Jul 11 21:34:41.043 INFO kablam!     Checking filetime v0.1.15
Jul 11 21:34:41.667 INFO kablam!     Checking clap v2.32.0
Jul 11 21:34:53.369 INFO kablam!     Checking smetamath v3.0.0 (file:///source)
Jul 11 21:34:58.768 INFO kablam! warning: variable does not need to be mutable
Jul 11 21:34:58.768 INFO kablam!    --> src/database.rs:247:25
Jul 11 21:34:58.768 INFO kablam!     |
Jul 11 21:34:58.768 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Jul 11 21:34:58.768 INFO kablam!     |                         ----^^
Jul 11 21:34:58.768 INFO kablam!     |                         |
Jul 11 21:34:58.768 INFO kablam!     |                         help: remove this `mut`
Jul 11 21:34:58.769 INFO kablam!     |
Jul 11 21:34:58.769 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 11 21:34:58.769 INFO kablam! 
Jul 11 21:34:58.769 INFO kablam! warning: variable does not need to be mutable
Jul 11 21:34:58.769 INFO kablam!    --> src/database.rs:247:25
Jul 11 21:34:58.769 INFO kablam!     |
Jul 11 21:34:58.769 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Jul 11 21:34:58.769 INFO kablam!     |                         ----^^
Jul 11 21:34:58.769 INFO kablam!     |                         |
Jul 11 21:34:58.769 INFO kablam!     |                         help: remove this `mut`
Jul 11 21:34:58.774 INFO kablam! 
Jul 11 21:34:58.779 INFO kablam! warning: variable does not need to be mutable
Jul 11 21:34:58.779 INFO kablam!    --> src/database.rs:268:25
Jul 11 21:34:58.779 INFO kablam!     |
Jul 11 21:34:58.779 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Jul 11 21:34:58.779 INFO kablam!     |                         ----^^
Jul 11 21:34:58.779 INFO kablam!     |                         |
Jul 11 21:34:58.780 INFO kablam!     |                         help: remove this `mut`
Jul 11 21:34:58.780 INFO kablam! 
Jul 11 21:34:58.785 INFO kablam! warning: variable does not need to be mutable
Jul 11 21:34:58.785 INFO kablam!    --> src/database.rs:291:25
Jul 11 21:34:58.785 INFO kablam!     |
Jul 11 21:34:58.785 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Jul 11 21:34:58.785 INFO kablam!     |                         ----^^^
Jul 11 21:34:58.785 INFO kablam!     |                         |
Jul 11 21:34:58.785 INFO kablam!     |                         help: remove this `mut`
Jul 11 21:34:58.785 INFO kablam! 
Jul 11 21:34:59.177 INFO kablam! warning: variable does not need to be mutable
Jul 11 21:34:59.177 INFO kablam!    --> src/database.rs:247:25
Jul 11 21:34:59.177 INFO kablam!     |
Jul 11 21:34:59.177 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Jul 11 21:34:59.177 INFO kablam!     |                         ----^^
Jul 11 21:34:59.177 INFO kablam!     |                         |
Jul 11 21:34:59.177 INFO kablam!     |                         help: remove this `mut`
Jul 11 21:34:59.177 INFO kablam!     |
Jul 11 21:34:59.177 INFO kablam!     = note: #[warn(unused_mut)] on by default
Jul 11 21:34:59.178 INFO kablam! 
Jul 11 21:34:59.178 INFO kablam! warning: variable does not need to be mutable
Jul 11 21:34:59.178 INFO kablam!    --> src/database.rs:247:25
Jul 11 21:34:59.178 INFO kablam!     |
Jul 11 21:34:59.178 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Jul 11 21:34:59.179 INFO kablam!     |                         ----^^
Jul 11 21:34:59.179 INFO kablam!     |                         |
Jul 11 21:34:59.179 INFO kablam!     |                         help: remove this `mut`
Jul 11 21:34:59.179 INFO kablam! 
Jul 11 21:34:59.184 INFO kablam! warning: variable does not need to be mutable
Jul 11 21:34:59.184 INFO kablam!    --> src/database.rs:268:25
Jul 11 21:34:59.184 INFO kablam!     |
Jul 11 21:34:59.184 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Jul 11 21:34:59.184 INFO kablam!     |                         ----^^
Jul 11 21:34:59.184 INFO kablam!     |                         |
Jul 11 21:34:59.184 INFO kablam!     |                         help: remove this `mut`
Jul 11 21:34:59.184 INFO kablam! 
Jul 11 21:34:59.189 INFO kablam! warning: variable does not need to be mutable
Jul 11 21:34:59.189 INFO kablam!    --> src/database.rs:291:25
Jul 11 21:34:59.189 INFO kablam!     |
Jul 11 21:34:59.189 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Jul 11 21:34:59.189 INFO kablam!     |                         ----^^^
Jul 11 21:34:59.189 INFO kablam!     |                         |
Jul 11 21:34:59.189 INFO kablam!     |                         help: remove this `mut`
Jul 11 21:34:59.190 INFO kablam! 
Jul 11 21:35:00.725 INFO kablam!     Finished dev [optimized + debuginfo] target(s) in 25.47s
Jul 11 21:35:00.735 INFO kablam! su: No module specific data is present
Jul 11 21:35:01.303 INFO running `"docker" "rm" "-f" "ef485cbc34a01606590755d6f198ca367dbf9fa38d05cb3820f677667350fa85"`
Jul 11 21:35:01.465 INFO blam! ef485cbc34a01606590755d6f198ca367dbf9fa38d05cb3820f677667350fa85