Nov 30 15:19:53.072 INFO checking smetamath-3.0.0 against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 15:19:53.072 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 15:19:53.477 INFO [stdout] faa0fd52818a7d7b3ed3a271e03144e2328809a52c73eeca0fd7852434817411
Nov 30 15:19:53.486 INFO running `"docker" "start" "-a" "faa0fd52818a7d7b3ed3a271e03144e2328809a52c73eeca0fd7852434817411"`
Nov 30 15:19:54.814 INFO [stderr] usermod: no changes
Nov 30 15:19:54.956 INFO [stderr]    Compiling libc v0.2.44
Nov 30 15:19:54.956 INFO [stderr]     Checking unicode-width v0.1.5
Nov 30 15:19:54.956 INFO [stderr]     Checking cfg-if v0.1.6
Nov 30 15:19:54.956 INFO [stderr]     Checking ansi_term v0.11.0
Nov 30 15:19:54.956 INFO [stderr]     Checking vec_map v0.8.1
Nov 30 15:19:54.956 INFO [stderr]     Checking strsim v0.7.0
Nov 30 15:19:54.956 INFO [stderr]     Checking bitflags v1.0.4
Nov 30 15:19:54.956 INFO [stderr]     Checking fnv v1.0.6
Nov 30 15:19:55.900 INFO [stderr]     Checking textwrap v0.10.0
Nov 30 15:20:01.412 INFO [stderr]     Checking atty v0.2.11
Nov 30 15:20:01.413 INFO [stderr]     Checking filetime v0.1.15
Nov 30 15:20:02.200 INFO [stderr]     Checking clap v2.32.0
Nov 30 15:20:07.286 INFO [stderr]     Checking smetamath v3.0.0 (/source)
Nov 30 15:20:10.567 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:10.567 INFO [stderr]    --> src/database.rs:247:25
Nov 30 15:20:10.568 INFO [stderr]     |
Nov 30 15:20:10.568 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 30 15:20:10.568 INFO [stderr]     |                         ----^^
Nov 30 15:20:10.568 INFO [stderr]     |                         |
Nov 30 15:20:10.568 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:10.568 INFO [stderr]     |
Nov 30 15:20:10.568 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:20:10.568 INFO [stderr] 
Nov 30 15:20:10.569 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:10.569 INFO [stderr]    --> src/database.rs:247:25
Nov 30 15:20:10.569 INFO [stderr]     |
Nov 30 15:20:10.569 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 30 15:20:10.569 INFO [stderr]     |                         ----^^
Nov 30 15:20:10.569 INFO [stderr]     |                         |
Nov 30 15:20:10.569 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:10.569 INFO [stderr] 
Nov 30 15:20:10.572 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:10.572 INFO [stderr]    --> src/database.rs:268:25
Nov 30 15:20:10.573 INFO [stderr]     |
Nov 30 15:20:10.573 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Nov 30 15:20:10.573 INFO [stderr]     |                         ----^^
Nov 30 15:20:10.573 INFO [stderr]     |                         |
Nov 30 15:20:10.573 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:10.573 INFO [stderr] 
Nov 30 15:20:10.580 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:10.580 INFO [stderr]    --> src/database.rs:291:25
Nov 30 15:20:10.581 INFO [stderr]     |
Nov 30 15:20:10.581 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Nov 30 15:20:10.581 INFO [stderr]     |                         ----^^^
Nov 30 15:20:10.581 INFO [stderr]     |                         |
Nov 30 15:20:10.581 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:10.581 INFO [stderr] 
Nov 30 15:20:10.732 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:10.732 INFO [stderr]    --> src/database.rs:247:25
Nov 30 15:20:10.732 INFO [stderr]     |
Nov 30 15:20:10.732 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 30 15:20:10.732 INFO [stderr]     |                         ----^^
Nov 30 15:20:10.732 INFO [stderr]     |                         |
Nov 30 15:20:10.732 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:10.732 INFO [stderr]     |
Nov 30 15:20:10.732 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:20:10.732 INFO [stderr] 
Nov 30 15:20:10.732 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:10.732 INFO [stderr]    --> src/database.rs:247:25
Nov 30 15:20:10.732 INFO [stderr]     |
Nov 30 15:20:10.732 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 30 15:20:10.732 INFO [stderr]     |                         ----^^
Nov 30 15:20:10.732 INFO [stderr]     |                         |
Nov 30 15:20:10.732 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:10.732 INFO [stderr] 
Nov 30 15:20:10.732 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:10.732 INFO [stderr]    --> src/database.rs:268:25
Nov 30 15:20:10.732 INFO [stderr]     |
Nov 30 15:20:10.732 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Nov 30 15:20:10.732 INFO [stderr]     |                         ----^^
Nov 30 15:20:10.732 INFO [stderr]     |                         |
Nov 30 15:20:10.732 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:10.732 INFO [stderr] 
Nov 30 15:20:10.732 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:10.732 INFO [stderr]    --> src/database.rs:291:25
Nov 30 15:20:10.732 INFO [stderr]     |
Nov 30 15:20:10.732 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Nov 30 15:20:10.732 INFO [stderr]     |                         ----^^^
Nov 30 15:20:10.732 INFO [stderr]     |                         |
Nov 30 15:20:10.732 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:10.732 INFO [stderr] 
Nov 30 15:20:11.444 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 16.61s
Nov 30 15:20:11.452 INFO [stderr] su: No module specific data is present
Nov 30 15:20:12.296 INFO running `"docker" "inspect" "faa0fd52818a7d7b3ed3a271e03144e2328809a52c73eeca0fd7852434817411"`
Nov 30 15:20:12.710 INFO running `"docker" "rm" "-f" "faa0fd52818a7d7b3ed3a271e03144e2328809a52c73eeca0fd7852434817411"`
Nov 30 15:20:13.088 INFO [stdout] faa0fd52818a7d7b3ed3a271e03144e2328809a52c73eeca0fd7852434817411