Sep 19 20:00:59.370 INFO checking smetamath-3.0.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 20:00:59.370 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 20:00:59.370 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-2/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 20:00:59.539 INFO blam! 458a267b402169b1b17d066644688a86551c888240539cd823e27c9218098f95
Sep 19 20:00:59.541 INFO running `"docker" "start" "-a" "458a267b402169b1b17d066644688a86551c888240539cd823e27c9218098f95"`
Sep 19 20:01:00.236 INFO kablam! usermod: no changes
Sep 19 20:01:00.350 INFO kablam!     Checking unicode-width v0.1.5
Sep 19 20:01:00.350 INFO kablam!     Checking libc v0.2.43
Sep 19 20:01:00.350 INFO kablam!     Checking strsim v0.7.0
Sep 19 20:01:00.350 INFO kablam!     Checking bitflags v1.0.4
Sep 19 20:01:00.350 INFO kablam!     Checking cfg-if v0.1.5
Sep 19 20:01:00.350 INFO kablam!     Checking vec_map v0.8.1
Sep 19 20:01:00.350 INFO kablam!     Checking ansi_term v0.11.0
Sep 19 20:01:00.350 INFO kablam!     Checking fnv v1.0.6
Sep 19 20:01:00.822 INFO kablam!     Checking textwrap v0.10.0
Sep 19 20:01:02.158 INFO kablam!     Checking atty v0.2.11
Sep 19 20:01:02.158 INFO kablam!     Checking filetime v0.1.15
Sep 19 20:01:02.431 INFO kablam!     Checking clap v2.32.0
Sep 19 20:01:07.629 INFO kablam!     Checking smetamath v3.0.0 (/source)
Sep 19 20:01:10.370 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:01:10.370 INFO kablam!    --> src/database.rs:247:25
Sep 19 20:01:10.370 INFO kablam!     |
Sep 19 20:01:10.370 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 19 20:01:10.370 INFO kablam!     |                         ----^^
Sep 19 20:01:10.370 INFO kablam!     |                         |
Sep 19 20:01:10.370 INFO kablam!     |                         help: remove this `mut`
Sep 19 20:01:10.370 INFO kablam!     |
Sep 19 20:01:10.370 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 20:01:10.370 INFO kablam! 
Sep 19 20:01:10.370 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:01:10.370 INFO kablam!    --> src/database.rs:247:25
Sep 19 20:01:10.370 INFO kablam!     |
Sep 19 20:01:10.370 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 19 20:01:10.370 INFO kablam!     |                         ----^^
Sep 19 20:01:10.370 INFO kablam!     |                         |
Sep 19 20:01:10.371 INFO kablam!     |                         help: remove this `mut`
Sep 19 20:01:10.371 INFO kablam! 
Sep 19 20:01:10.382 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:01:10.382 INFO kablam!    --> src/database.rs:268:25
Sep 19 20:01:10.382 INFO kablam!     |
Sep 19 20:01:10.382 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Sep 19 20:01:10.382 INFO kablam!     |                         ----^^
Sep 19 20:01:10.382 INFO kablam!     |                         |
Sep 19 20:01:10.382 INFO kablam!     |                         help: remove this `mut`
Sep 19 20:01:10.382 INFO kablam! 
Sep 19 20:01:10.382 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:01:10.382 INFO kablam!    --> src/database.rs:291:25
Sep 19 20:01:10.382 INFO kablam!     |
Sep 19 20:01:10.383 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Sep 19 20:01:10.383 INFO kablam!     |                         ----^^^
Sep 19 20:01:10.383 INFO kablam!     |                         |
Sep 19 20:01:10.383 INFO kablam!     |                         help: remove this `mut`
Sep 19 20:01:10.383 INFO kablam! 
Sep 19 20:01:10.518 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:01:10.518 INFO kablam!    --> src/database.rs:247:25
Sep 19 20:01:10.518 INFO kablam!     |
Sep 19 20:01:10.518 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 19 20:01:10.518 INFO kablam!     |                         ----^^
Sep 19 20:01:10.518 INFO kablam!     |                         |
Sep 19 20:01:10.518 INFO kablam!     |                         help: remove this `mut`
Sep 19 20:01:10.518 INFO kablam!     |
Sep 19 20:01:10.518 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 19 20:01:10.518 INFO kablam! 
Sep 19 20:01:10.518 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:01:10.518 INFO kablam!    --> src/database.rs:247:25
Sep 19 20:01:10.518 INFO kablam!     |
Sep 19 20:01:10.518 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 19 20:01:10.519 INFO kablam!     |                         ----^^
Sep 19 20:01:10.519 INFO kablam!     |                         |
Sep 19 20:01:10.519 INFO kablam!     |                         help: remove this `mut`
Sep 19 20:01:10.519 INFO kablam! 
Sep 19 20:01:10.534 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:01:10.534 INFO kablam!    --> src/database.rs:268:25
Sep 19 20:01:10.534 INFO kablam!     |
Sep 19 20:01:10.534 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Sep 19 20:01:10.534 INFO kablam!     |                         ----^^
Sep 19 20:01:10.534 INFO kablam!     |                         |
Sep 19 20:01:10.534 INFO kablam!     |                         help: remove this `mut`
Sep 19 20:01:10.534 INFO kablam! 
Sep 19 20:01:10.534 INFO kablam! warning: variable does not need to be mutable
Sep 19 20:01:10.534 INFO kablam!    --> src/database.rs:291:25
Sep 19 20:01:10.534 INFO kablam!     |
Sep 19 20:01:10.534 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Sep 19 20:01:10.534 INFO kablam!     |                         ----^^^
Sep 19 20:01:10.534 INFO kablam!     |                         |
Sep 19 20:01:10.534 INFO kablam!     |                         help: remove this `mut`
Sep 19 20:01:10.534 INFO kablam! 
Sep 19 20:01:11.182 INFO kablam!     Finished dev [optimized + debuginfo] target(s) in 10.89s
Sep 19 20:01:11.182 INFO kablam! su: No module specific data is present
Sep 19 20:01:12.552 INFO running `"docker" "rm" "-f" "458a267b402169b1b17d066644688a86551c888240539cd823e27c9218098f95"`
Sep 19 20:01:12.675 INFO blam! 458a267b402169b1b17d066644688a86551c888240539cd823e27c9218098f95