Nov 28 17:51:08.512 INFO checking smetamath-3.0.0 against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 17:51:08.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 17:51:08.972 INFO [stdout] 551a4303763b65044179efa96c9e8890d5c891ac3e96f72ef125572313edc376
Nov 28 17:51:08.980 INFO running `"docker" "start" "-a" "551a4303763b65044179efa96c9e8890d5c891ac3e96f72ef125572313edc376"`
Nov 28 17:51:11.155 INFO [stderr] usermod: no changes
Nov 28 17:51:11.336 INFO [stderr]    Compiling libc v0.2.44
Nov 28 17:51:11.336 INFO [stderr]     Checking unicode-width v0.1.5
Nov 28 17:51:11.336 INFO [stderr]     Checking bitflags v1.0.4
Nov 28 17:51:11.336 INFO [stderr]     Checking cfg-if v0.1.6
Nov 28 17:51:11.364 INFO [stderr]     Checking ansi_term v0.11.0
Nov 28 17:51:11.364 INFO [stderr]     Checking strsim v0.7.0
Nov 28 17:51:11.364 INFO [stderr]     Checking vec_map v0.8.1
Nov 28 17:51:11.364 INFO [stderr]     Checking fnv v1.0.6
Nov 28 17:51:12.594 INFO [stderr]     Checking textwrap v0.10.0
Nov 28 17:51:18.066 INFO [stderr]     Checking atty v0.2.11
Nov 28 17:51:18.074 INFO [stderr]     Checking filetime v0.1.15
Nov 28 17:51:18.864 INFO [stderr]     Checking clap v2.32.0
Nov 28 17:51:24.108 INFO [stderr]     Checking smetamath v3.0.0 (/source)
Nov 28 17:51:27.860 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:51:27.860 INFO [stderr]    --> src/database.rs:247:25
Nov 28 17:51:27.860 INFO [stderr]     |
Nov 28 17:51:27.860 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 28 17:51:27.860 INFO [stderr]     |                         ----^^
Nov 28 17:51:27.860 INFO [stderr]     |                         |
Nov 28 17:51:27.860 INFO [stderr]     |                         help: remove this `mut`
Nov 28 17:51:27.860 INFO [stderr]     |
Nov 28 17:51:27.860 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 17:51:27.860 INFO [stderr] 
Nov 28 17:51:27.860 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:51:27.860 INFO [stderr]    --> src/database.rs:247:25
Nov 28 17:51:27.860 INFO [stderr]     |
Nov 28 17:51:27.860 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 28 17:51:27.860 INFO [stderr]     |                         ----^^
Nov 28 17:51:27.860 INFO [stderr]     |                         |
Nov 28 17:51:27.860 INFO [stderr]     |                         help: remove this `mut`
Nov 28 17:51:27.860 INFO [stderr] 
Nov 28 17:51:27.860 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:51:27.860 INFO [stderr]    --> src/database.rs:268:25
Nov 28 17:51:27.860 INFO [stderr]     |
Nov 28 17:51:27.860 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Nov 28 17:51:27.860 INFO [stderr]     |                         ----^^
Nov 28 17:51:27.860 INFO [stderr]     |                         |
Nov 28 17:51:27.860 INFO [stderr]     |                         help: remove this `mut`
Nov 28 17:51:27.860 INFO [stderr] 
Nov 28 17:51:27.860 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:51:27.860 INFO [stderr]    --> src/database.rs:291:25
Nov 28 17:51:27.860 INFO [stderr]     |
Nov 28 17:51:27.860 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Nov 28 17:51:27.860 INFO [stderr]     |                         ----^^^
Nov 28 17:51:27.860 INFO [stderr]     |                         |
Nov 28 17:51:27.860 INFO [stderr]     |                         help: remove this `mut`
Nov 28 17:51:27.860 INFO [stderr] 
Nov 28 17:51:28.247 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:51:28.247 INFO [stderr]    --> src/database.rs:247:25
Nov 28 17:51:28.248 INFO [stderr]     |
Nov 28 17:51:28.248 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 28 17:51:28.248 INFO [stderr]     |                         ----^^
Nov 28 17:51:28.249 INFO [stderr]     |                         |
Nov 28 17:51:28.249 INFO [stderr]     |                         help: remove this `mut`
Nov 28 17:51:28.249 INFO [stderr]     |
Nov 28 17:51:28.249 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 28 17:51:28.250 INFO [stderr] 
Nov 28 17:51:28.250 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:51:28.250 INFO [stderr]    --> src/database.rs:247:25
Nov 28 17:51:28.251 INFO [stderr]     |
Nov 28 17:51:28.251 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 28 17:51:28.251 INFO [stderr]     |                         ----^^
Nov 28 17:51:28.252 INFO [stderr]     |                         |
Nov 28 17:51:28.252 INFO [stderr]     |                         help: remove this `mut`
Nov 28 17:51:28.252 INFO [stderr] 
Nov 28 17:51:28.252 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:51:28.253 INFO [stderr]    --> src/database.rs:268:25
Nov 28 17:51:28.253 INFO [stderr]     |
Nov 28 17:51:28.253 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Nov 28 17:51:28.254 INFO [stderr]     |                         ----^^
Nov 28 17:51:28.254 INFO [stderr]     |                         |
Nov 28 17:51:28.254 INFO [stderr]     |                         help: remove this `mut`
Nov 28 17:51:28.254 INFO [stderr] 
Nov 28 17:51:28.269 INFO [stderr] warning: variable does not need to be mutable
Nov 28 17:51:28.269 INFO [stderr]    --> src/database.rs:291:25
Nov 28 17:51:28.269 INFO [stderr]     |
Nov 28 17:51:28.269 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Nov 28 17:51:28.269 INFO [stderr]     |                         ----^^^
Nov 28 17:51:28.269 INFO [stderr]     |                         |
Nov 28 17:51:28.269 INFO [stderr]     |                         help: remove this `mut`
Nov 28 17:51:28.269 INFO [stderr] 
Nov 28 17:51:28.668 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 17.49s
Nov 28 17:51:28.692 INFO [stderr] su: No module specific data is present
Nov 28 17:51:29.470 INFO running `"docker" "inspect" "551a4303763b65044179efa96c9e8890d5c891ac3e96f72ef125572313edc376"`
Nov 28 17:51:29.756 INFO running `"docker" "rm" "-f" "551a4303763b65044179efa96c9e8890d5c891ac3e96f72ef125572313edc376"`
Nov 28 17:51:30.047 INFO [stdout] 551a4303763b65044179efa96c9e8890d5c891ac3e96f72ef125572313edc376