Oct 13 08:21:40.342 INFO checking smetamath-3.0.0 against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 13 08:21:40.342 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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"`
Oct 13 08:21:40.854 INFO blam! 98345a6f14cb0aa536265222cca041eb2e2cf5abe43f42a1292de57b8266686a
Oct 13 08:21:40.856 INFO running `"docker" "start" "-a" "98345a6f14cb0aa536265222cca041eb2e2cf5abe43f42a1292de57b8266686a"`
Oct 13 08:21:42.721 INFO kablam! usermod: no changes
Oct 13 08:21:42.846 INFO kablam!     Checking libc v0.2.43
Oct 13 08:21:42.856 INFO kablam!     Checking unicode-width v0.1.5
Oct 13 08:21:42.864 INFO kablam!     Checking cfg-if v0.1.5
Oct 13 08:21:42.864 INFO kablam!     Checking ansi_term v0.11.0
Oct 13 08:21:42.872 INFO kablam!     Checking bitflags v1.0.4
Oct 13 08:21:42.884 INFO kablam!     Checking vec_map v0.8.1
Oct 13 08:21:42.898 INFO kablam!     Checking strsim v0.7.0
Oct 13 08:21:42.900 INFO kablam!     Checking fnv v1.0.6
Oct 13 08:21:44.090 INFO kablam!     Checking textwrap v0.10.0
Oct 13 08:21:48.405 INFO kablam!     Checking atty v0.2.11
Oct 13 08:21:48.405 INFO kablam!     Checking filetime v0.1.15
Oct 13 08:21:49.393 INFO kablam!     Checking clap v2.32.0
Oct 13 08:21:55.081 INFO kablam!     Checking smetamath v3.0.0 (/source)
Oct 13 08:21:58.788 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:21:58.788 INFO kablam!    --> src/database.rs:247:25
Oct 13 08:21:58.788 INFO kablam!     |
Oct 13 08:21:58.788 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Oct 13 08:21:58.788 INFO kablam!     |                         ----^^
Oct 13 08:21:58.788 INFO kablam!     |                         |
Oct 13 08:21:58.788 INFO kablam!     |                         help: remove this `mut`
Oct 13 08:21:58.788 INFO kablam!     |
Oct 13 08:21:58.788 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 08:21:58.788 INFO kablam! 
Oct 13 08:21:58.788 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:21:58.788 INFO kablam!    --> src/database.rs:247:25
Oct 13 08:21:58.789 INFO kablam!     |
Oct 13 08:21:58.789 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Oct 13 08:21:58.789 INFO kablam!     |                         ----^^
Oct 13 08:21:58.789 INFO kablam!     |                         |
Oct 13 08:21:58.789 INFO kablam!     |                         help: remove this `mut`
Oct 13 08:21:58.789 INFO kablam! 
Oct 13 08:21:58.800 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:21:58.800 INFO kablam!    --> src/database.rs:268:25
Oct 13 08:21:58.800 INFO kablam!     |
Oct 13 08:21:58.800 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Oct 13 08:21:58.800 INFO kablam!     |                         ----^^
Oct 13 08:21:58.800 INFO kablam!     |                         |
Oct 13 08:21:58.800 INFO kablam!     |                         help: remove this `mut`
Oct 13 08:21:58.800 INFO kablam! 
Oct 13 08:21:58.800 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:21:58.800 INFO kablam!    --> src/database.rs:291:25
Oct 13 08:21:58.800 INFO kablam!     |
Oct 13 08:21:58.800 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Oct 13 08:21:58.800 INFO kablam!     |                         ----^^^
Oct 13 08:21:58.800 INFO kablam!     |                         |
Oct 13 08:21:58.801 INFO kablam!     |                         help: remove this `mut`
Oct 13 08:21:58.801 INFO kablam! 
Oct 13 08:21:59.156 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:21:59.157 INFO kablam!    --> src/database.rs:247:25
Oct 13 08:21:59.157 INFO kablam!     |
Oct 13 08:21:59.157 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Oct 13 08:21:59.157 INFO kablam!     |                         ----^^
Oct 13 08:21:59.157 INFO kablam!     |                         |
Oct 13 08:21:59.157 INFO kablam!     |                         help: remove this `mut`
Oct 13 08:21:59.157 INFO kablam!     |
Oct 13 08:21:59.158 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 13 08:21:59.158 INFO kablam! 
Oct 13 08:21:59.158 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:21:59.158 INFO kablam!    --> src/database.rs:247:25
Oct 13 08:21:59.158 INFO kablam!     |
Oct 13 08:21:59.158 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Oct 13 08:21:59.158 INFO kablam!     |                         ----^^
Oct 13 08:21:59.158 INFO kablam!     |                         |
Oct 13 08:21:59.158 INFO kablam!     |                         help: remove this `mut`
Oct 13 08:21:59.158 INFO kablam! 
Oct 13 08:21:59.165 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:21:59.165 INFO kablam!    --> src/database.rs:268:25
Oct 13 08:21:59.165 INFO kablam!     |
Oct 13 08:21:59.165 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Oct 13 08:21:59.165 INFO kablam!     |                         ----^^
Oct 13 08:21:59.166 INFO kablam!     |                         |
Oct 13 08:21:59.166 INFO kablam!     |                         help: remove this `mut`
Oct 13 08:21:59.167 INFO kablam! 
Oct 13 08:21:59.168 INFO kablam! warning: variable does not need to be mutable
Oct 13 08:21:59.168 INFO kablam!    --> src/database.rs:291:25
Oct 13 08:21:59.168 INFO kablam!     |
Oct 13 08:21:59.169 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Oct 13 08:21:59.169 INFO kablam!     |                         ----^^^
Oct 13 08:21:59.169 INFO kablam!     |                         |
Oct 13 08:21:59.169 INFO kablam!     |                         help: remove this `mut`
Oct 13 08:21:59.170 INFO kablam! 
Oct 13 08:21:59.853 INFO kablam!     Finished dev [optimized + debuginfo] target(s) in 17.11s
Oct 13 08:21:59.858 INFO kablam! su: No module specific data is present
Oct 13 08:22:01.513 INFO running `"docker" "rm" "-f" "98345a6f14cb0aa536265222cca041eb2e2cf5abe43f42a1292de57b8266686a"`
Oct 13 08:22:01.892 INFO blam! 98345a6f14cb0aa536265222cca041eb2e2cf5abe43f42a1292de57b8266686a