Aug 30 02:27:03.240 INFO checking smetamath-3.0.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 02:27:03.240 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 02:27:03.240 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 02:27:03.473 INFO blam! fbb347b5e1a3e32b1769f78282688402bf3aee7ebea94a97c128a8e5931d1ba3
Aug 30 02:27:03.476 INFO running `"docker" "start" "-a" "fbb347b5e1a3e32b1769f78282688402bf3aee7ebea94a97c128a8e5931d1ba3"`
Aug 30 02:27:04.178 INFO kablam!     Checking libc v0.2.43
Aug 30 02:27:04.178 INFO kablam!     Checking unicode-width v0.1.5
Aug 30 02:27:04.178 INFO kablam!     Checking strsim v0.7.0
Aug 30 02:27:04.178 INFO kablam!     Checking cfg-if v0.1.5
Aug 30 02:27:04.185 INFO kablam!     Checking vec_map v0.8.1
Aug 30 02:27:04.188 INFO kablam!     Checking ansi_term v0.11.0
Aug 30 02:27:04.191 INFO kablam!     Checking bitflags v1.0.4
Aug 30 02:27:04.193 INFO kablam!     Checking fnv v1.0.6
Aug 30 02:27:05.015 INFO kablam!     Checking textwrap v0.10.0
Aug 30 02:27:08.438 INFO kablam!     Checking atty v0.2.11
Aug 30 02:27:08.438 INFO kablam!     Checking filetime v0.1.15
Aug 30 02:27:09.008 INFO kablam!     Checking clap v2.32.0
Aug 30 02:27:15.776 INFO kablam!     Checking smetamath v3.0.0 (file:///source)
Aug 30 02:27:17.924 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:27:17.924 INFO kablam!    --> src/database.rs:247:25
Aug 30 02:27:17.924 INFO kablam!     |
Aug 30 02:27:17.924 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Aug 30 02:27:17.924 INFO kablam!     |                         ----^^
Aug 30 02:27:17.924 INFO kablam!     |                         |
Aug 30 02:27:17.924 INFO kablam!     |                         help: remove this `mut`
Aug 30 02:27:17.925 INFO kablam!     |
Aug 30 02:27:17.925 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 02:27:17.925 INFO kablam! 
Aug 30 02:27:17.925 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:27:17.925 INFO kablam!    --> src/database.rs:247:25
Aug 30 02:27:17.925 INFO kablam!     |
Aug 30 02:27:17.925 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Aug 30 02:27:17.925 INFO kablam!     |                         ----^^
Aug 30 02:27:17.925 INFO kablam!     |                         |
Aug 30 02:27:17.925 INFO kablam!     |                         help: remove this `mut`
Aug 30 02:27:17.925 INFO kablam! 
Aug 30 02:27:17.927 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:27:17.927 INFO kablam!    --> src/database.rs:268:25
Aug 30 02:27:17.927 INFO kablam!     |
Aug 30 02:27:17.928 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Aug 30 02:27:17.928 INFO kablam!     |                         ----^^
Aug 30 02:27:17.928 INFO kablam!     |                         |
Aug 30 02:27:17.928 INFO kablam!     |                         help: remove this `mut`
Aug 30 02:27:17.928 INFO kablam! 
Aug 30 02:27:17.931 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:27:17.931 INFO kablam!    --> src/database.rs:291:25
Aug 30 02:27:17.931 INFO kablam!     |
Aug 30 02:27:17.931 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Aug 30 02:27:17.931 INFO kablam!     |                         ----^^^
Aug 30 02:27:17.931 INFO kablam!     |                         |
Aug 30 02:27:17.932 INFO kablam!     |                         help: remove this `mut`
Aug 30 02:27:17.932 INFO kablam! 
Aug 30 02:27:18.844 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:27:18.844 INFO kablam!    --> src/database.rs:247:25
Aug 30 02:27:18.844 INFO kablam!     |
Aug 30 02:27:18.844 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Aug 30 02:27:18.844 INFO kablam!     |                         ----^^
Aug 30 02:27:18.844 INFO kablam!     |                         |
Aug 30 02:27:18.845 INFO kablam!     |                         help: remove this `mut`
Aug 30 02:27:18.845 INFO kablam!     |
Aug 30 02:27:18.845 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 30 02:27:18.845 INFO kablam! 
Aug 30 02:27:18.845 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:27:18.845 INFO kablam!    --> src/database.rs:247:25
Aug 30 02:27:18.845 INFO kablam!     |
Aug 30 02:27:18.845 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Aug 30 02:27:18.845 INFO kablam!     |                         ----^^
Aug 30 02:27:18.845 INFO kablam!     |                         |
Aug 30 02:27:18.845 INFO kablam!     |                         help: remove this `mut`
Aug 30 02:27:18.845 INFO kablam! 
Aug 30 02:27:18.847 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:27:18.847 INFO kablam!    --> src/database.rs:268:25
Aug 30 02:27:18.847 INFO kablam!     |
Aug 30 02:27:18.847 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Aug 30 02:27:18.847 INFO kablam!     |                         ----^^
Aug 30 02:27:18.848 INFO kablam!     |                         |
Aug 30 02:27:18.848 INFO kablam!     |                         help: remove this `mut`
Aug 30 02:27:18.848 INFO kablam! 
Aug 30 02:27:18.851 INFO kablam! warning: variable does not need to be mutable
Aug 30 02:27:18.851 INFO kablam!    --> src/database.rs:291:25
Aug 30 02:27:18.851 INFO kablam!     |
Aug 30 02:27:18.851 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Aug 30 02:27:18.851 INFO kablam!     |                         ----^^^
Aug 30 02:27:18.851 INFO kablam!     |                         |
Aug 30 02:27:18.851 INFO kablam!     |                         help: remove this `mut`
Aug 30 02:27:18.851 INFO kablam! 
Aug 30 02:27:19.584 INFO kablam!     Finished dev [optimized + debuginfo] target(s) in 15.46s
Aug 30 02:27:19.589 INFO kablam! su: No module specific data is present
Aug 30 02:27:20.012 INFO running `"docker" "rm" "-f" "fbb347b5e1a3e32b1769f78282688402bf3aee7ebea94a97c128a8e5931d1ba3"`
Aug 30 02:27:20.139 INFO blam! fbb347b5e1a3e32b1769f78282688402bf3aee7ebea94a97c128a8e5931d1ba3