Sep 01 06:14:17.894 INFO checking smetamath-3.0.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53831
Sep 01 06:14:17.894 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 06:14:17.895 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53831/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 06:14:18.039 INFO blam! 28a2fed696ae65dd0b17d54262232ad4751567b2098529be5d5c9f046f9f1e13
Sep 01 06:14:18.041 INFO running `"docker" "start" "-a" "28a2fed696ae65dd0b17d54262232ad4751567b2098529be5d5c9f046f9f1e13"`
Sep 01 06:14:18.766 INFO kablam!     Checking libc v0.2.43
Sep 01 06:14:18.767 INFO kablam!     Checking unicode-width v0.1.5
Sep 01 06:14:18.777 INFO kablam!     Checking ansi_term v0.11.0
Sep 01 06:14:18.778 INFO kablam!     Checking strsim v0.7.0
Sep 01 06:14:18.778 INFO kablam!     Checking bitflags v1.0.4
Sep 01 06:14:18.779 INFO kablam!     Checking vec_map v0.8.1
Sep 01 06:14:18.779 INFO kablam!     Checking cfg-if v0.1.5
Sep 01 06:14:18.779 INFO kablam!     Checking fnv v1.0.6
Sep 01 06:14:19.211 INFO kablam!     Checking textwrap v0.10.0
Sep 01 06:14:21.664 INFO kablam!     Checking atty v0.2.11
Sep 01 06:14:21.664 INFO kablam!     Checking filetime v0.1.15
Sep 01 06:14:22.095 INFO kablam!     Checking clap v2.32.0
Sep 01 06:14:27.666 INFO kablam!     Checking smetamath v3.0.0 (file:///source)
Sep 01 06:14:30.461 INFO kablam! warning: variable does not need to be mutable
Sep 01 06:14:30.461 INFO kablam!    --> src/database.rs:247:25
Sep 01 06:14:30.462 INFO kablam!     |
Sep 01 06:14:30.462 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 01 06:14:30.462 INFO kablam!     |                         ----^^
Sep 01 06:14:30.462 INFO kablam!     |                         |
Sep 01 06:14:30.462 INFO kablam!     |                         help: remove this `mut`
Sep 01 06:14:30.462 INFO kablam!     |
Sep 01 06:14:30.462 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 06:14:30.462 INFO kablam! 
Sep 01 06:14:30.462 INFO kablam! warning: variable does not need to be mutable
Sep 01 06:14:30.462 INFO kablam!    --> src/database.rs:247:25
Sep 01 06:14:30.462 INFO kablam!     |
Sep 01 06:14:30.462 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 01 06:14:30.462 INFO kablam!     |                         ----^^
Sep 01 06:14:30.462 INFO kablam!     |                         |
Sep 01 06:14:30.462 INFO kablam!     |                         help: remove this `mut`
Sep 01 06:14:30.462 INFO kablam! 
Sep 01 06:14:30.465 INFO kablam! warning: variable does not need to be mutable
Sep 01 06:14:30.465 INFO kablam!    --> src/database.rs:268:25
Sep 01 06:14:30.465 INFO kablam!     |
Sep 01 06:14:30.465 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Sep 01 06:14:30.465 INFO kablam!     |                         ----^^
Sep 01 06:14:30.465 INFO kablam!     |                         |
Sep 01 06:14:30.465 INFO kablam!     |                         help: remove this `mut`
Sep 01 06:14:30.465 INFO kablam! 
Sep 01 06:14:30.469 INFO kablam! warning: variable does not need to be mutable
Sep 01 06:14:30.469 INFO kablam!    --> src/database.rs:291:25
Sep 01 06:14:30.469 INFO kablam!     |
Sep 01 06:14:30.469 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Sep 01 06:14:30.469 INFO kablam!     |                         ----^^^
Sep 01 06:14:30.469 INFO kablam!     |                         |
Sep 01 06:14:30.469 INFO kablam!     |                         help: remove this `mut`
Sep 01 06:14:30.469 INFO kablam! 
Sep 01 06:14:30.527 INFO kablam! warning: variable does not need to be mutable
Sep 01 06:14:30.527 INFO kablam!    --> src/database.rs:247:25
Sep 01 06:14:30.527 INFO kablam!     |
Sep 01 06:14:30.527 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 01 06:14:30.527 INFO kablam!     |                         ----^^
Sep 01 06:14:30.527 INFO kablam!     |                         |
Sep 01 06:14:30.527 INFO kablam!     |                         help: remove this `mut`
Sep 01 06:14:30.527 INFO kablam!     |
Sep 01 06:14:30.527 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 01 06:14:30.527 INFO kablam! 
Sep 01 06:14:30.527 INFO kablam! warning: variable does not need to be mutable
Sep 01 06:14:30.528 INFO kablam!    --> src/database.rs:247:25
Sep 01 06:14:30.528 INFO kablam!     |
Sep 01 06:14:30.528 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 01 06:14:30.528 INFO kablam!     |                         ----^^
Sep 01 06:14:30.528 INFO kablam!     |                         |
Sep 01 06:14:30.528 INFO kablam!     |                         help: remove this `mut`
Sep 01 06:14:30.528 INFO kablam! 
Sep 01 06:14:30.531 INFO kablam! warning: variable does not need to be mutable
Sep 01 06:14:30.531 INFO kablam!    --> src/database.rs:268:25
Sep 01 06:14:30.531 INFO kablam!     |
Sep 01 06:14:30.531 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Sep 01 06:14:30.531 INFO kablam!     |                         ----^^
Sep 01 06:14:30.531 INFO kablam!     |                         |
Sep 01 06:14:30.531 INFO kablam!     |                         help: remove this `mut`
Sep 01 06:14:30.531 INFO kablam! 
Sep 01 06:14:30.535 INFO kablam! warning: variable does not need to be mutable
Sep 01 06:14:30.535 INFO kablam!    --> src/database.rs:291:25
Sep 01 06:14:30.535 INFO kablam!     |
Sep 01 06:14:30.535 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Sep 01 06:14:30.535 INFO kablam!     |                         ----^^^
Sep 01 06:14:30.535 INFO kablam!     |                         |
Sep 01 06:14:30.535 INFO kablam!     |                         help: remove this `mut`
Sep 01 06:14:30.535 INFO kablam! 
Sep 01 06:14:31.192 INFO kablam!     Finished dev [optimized + debuginfo] target(s) in 12.49s
Sep 01 06:14:31.198 INFO kablam! su: No module specific data is present
Sep 01 06:14:31.771 INFO running `"docker" "rm" "-f" "28a2fed696ae65dd0b17d54262232ad4751567b2098529be5d5c9f046f9f1e13"`
Sep 01 06:14:31.853 INFO blam! 28a2fed696ae65dd0b17d54262232ad4751567b2098529be5d5c9f046f9f1e13