Sep 14 08:51:09.398 INFO checking smetamath-3.0.0 against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1
Sep 14 08:51:09.398 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets
Sep 14 08:51:09.398 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-3/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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 +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 08:51:09.838 INFO blam! 4f9cdd483d96f340202bfd6b8eb9ea5b3f7ba3d23a6e88b34beb2fb2b0cc8512
Sep 14 08:51:09.840 INFO running `"docker" "start" "-a" "4f9cdd483d96f340202bfd6b8eb9ea5b3f7ba3d23a6e88b34beb2fb2b0cc8512"`
Sep 14 08:51:11.255 INFO kablam! usermod: no changes
Sep 14 08:51:11.383 INFO kablam!     Checking libc v0.2.43
Sep 14 08:51:11.383 INFO kablam!     Checking unicode-width v0.1.5
Sep 14 08:51:11.383 INFO kablam!     Checking strsim v0.7.0
Sep 14 08:51:11.383 INFO kablam!     Checking cfg-if v0.1.5
Sep 14 08:51:11.383 INFO kablam!     Checking ansi_term v0.11.0
Sep 14 08:51:11.383 INFO kablam!     Checking bitflags v1.0.4
Sep 14 08:51:11.383 INFO kablam!     Checking vec_map v0.8.1
Sep 14 08:51:11.383 INFO kablam!     Checking fnv v1.0.6
Sep 14 08:51:11.959 INFO kablam!     Checking textwrap v0.10.0
Sep 14 08:51:13.776 INFO kablam!     Checking atty v0.2.11
Sep 14 08:51:13.776 INFO kablam!     Checking filetime v0.1.15
Sep 14 08:51:14.223 INFO kablam!     Checking clap v2.32.0
Sep 14 08:51:19.735 INFO kablam!     Checking smetamath v3.0.0 (file:///source)
Sep 14 08:51:22.179 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:51:22.179 INFO kablam!    --> src/database.rs:247:25
Sep 14 08:51:22.179 INFO kablam!     |
Sep 14 08:51:22.179 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 14 08:51:22.179 INFO kablam!     |                         ----^^
Sep 14 08:51:22.179 INFO kablam!     |                         |
Sep 14 08:51:22.179 INFO kablam!     |                         help: remove this `mut`
Sep 14 08:51:22.187 INFO kablam!     |
Sep 14 08:51:22.187 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 08:51:22.187 INFO kablam! 
Sep 14 08:51:22.188 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:51:22.188 INFO kablam!    --> src/database.rs:247:25
Sep 14 08:51:22.188 INFO kablam!     |
Sep 14 08:51:22.188 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 14 08:51:22.188 INFO kablam!     |                         ----^^
Sep 14 08:51:22.188 INFO kablam!     |                         |
Sep 14 08:51:22.188 INFO kablam!     |                         help: remove this `mut`
Sep 14 08:51:22.188 INFO kablam! 
Sep 14 08:51:22.191 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:51:22.191 INFO kablam!    --> src/database.rs:268:25
Sep 14 08:51:22.191 INFO kablam!     |
Sep 14 08:51:22.191 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Sep 14 08:51:22.191 INFO kablam!     |                         ----^^
Sep 14 08:51:22.191 INFO kablam!     |                         |
Sep 14 08:51:22.191 INFO kablam!     |                         help: remove this `mut`
Sep 14 08:51:22.195 INFO kablam! 
Sep 14 08:51:22.197 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:51:22.197 INFO kablam!    --> src/database.rs:291:25
Sep 14 08:51:22.197 INFO kablam!     |
Sep 14 08:51:22.197 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Sep 14 08:51:22.197 INFO kablam!     |                         ----^^^
Sep 14 08:51:22.197 INFO kablam!     |                         |
Sep 14 08:51:22.197 INFO kablam!     |                         help: remove this `mut`
Sep 14 08:51:22.198 INFO kablam! 
Sep 14 08:51:22.288 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:51:22.288 INFO kablam!    --> src/database.rs:247:25
Sep 14 08:51:22.288 INFO kablam!     |
Sep 14 08:51:22.288 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 14 08:51:22.288 INFO kablam!     |                         ----^^
Sep 14 08:51:22.288 INFO kablam!     |                         |
Sep 14 08:51:22.288 INFO kablam!     |                         help: remove this `mut`
Sep 14 08:51:22.288 INFO kablam!     |
Sep 14 08:51:22.288 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 14 08:51:22.288 INFO kablam! 
Sep 14 08:51:22.288 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:51:22.288 INFO kablam!    --> src/database.rs:247:25
Sep 14 08:51:22.288 INFO kablam!     |
Sep 14 08:51:22.288 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 14 08:51:22.288 INFO kablam!     |                         ----^^
Sep 14 08:51:22.288 INFO kablam!     |                         |
Sep 14 08:51:22.288 INFO kablam!     |                         help: remove this `mut`
Sep 14 08:51:22.288 INFO kablam! 
Sep 14 08:51:22.289 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:51:22.289 INFO kablam!    --> src/database.rs:268:25
Sep 14 08:51:22.289 INFO kablam!     |
Sep 14 08:51:22.289 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Sep 14 08:51:22.289 INFO kablam!     |                         ----^^
Sep 14 08:51:22.289 INFO kablam!     |                         |
Sep 14 08:51:22.289 INFO kablam!     |                         help: remove this `mut`
Sep 14 08:51:22.289 INFO kablam! 
Sep 14 08:51:22.291 INFO kablam! warning: variable does not need to be mutable
Sep 14 08:51:22.291 INFO kablam!    --> src/database.rs:291:25
Sep 14 08:51:22.291 INFO kablam!     |
Sep 14 08:51:22.291 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Sep 14 08:51:22.292 INFO kablam!     |                         ----^^^
Sep 14 08:51:22.292 INFO kablam!     |                         |
Sep 14 08:51:22.292 INFO kablam!     |                         help: remove this `mut`
Sep 14 08:51:22.292 INFO kablam! 
Sep 14 08:51:23.051 INFO kablam!     Finished dev [optimized + debuginfo] target(s) in 11.75s
Sep 14 08:51:23.055 INFO kablam! su: No module specific data is present
Sep 14 08:51:24.680 INFO running `"docker" "rm" "-f" "4f9cdd483d96f340202bfd6b8eb9ea5b3f7ba3d23a6e88b34beb2fb2b0cc8512"`
Sep 14 08:51:24.971 INFO blam! 4f9cdd483d96f340202bfd6b8eb9ea5b3f7ba3d23a6e88b34beb2fb2b0cc8512