Nov 30 15:19:54.023 INFO checking smetamath-3.0.0 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 15:19:54.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-6/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 15:19:54.668 INFO [stdout] b8bb2c0fe511d0aa52216d71cff520f554078b2fe7a3fabcbf198768b49489ae
Nov 30 15:19:54.670 INFO running `"docker" "start" "-a" "b8bb2c0fe511d0aa52216d71cff520f554078b2fe7a3fabcbf198768b49489ae"`
Nov 30 15:19:56.860 INFO [stderr] usermod: no changes
Nov 30 15:19:57.024 INFO [stderr]    Compiling libc v0.2.44
Nov 30 15:19:57.025 INFO [stderr]     Checking unicode-width v0.1.5
Nov 30 15:19:57.025 INFO [stderr]     Checking ansi_term v0.11.0
Nov 30 15:19:57.036 INFO [stderr]     Checking strsim v0.7.0
Nov 30 15:19:57.036 INFO [stderr]     Checking vec_map v0.8.1
Nov 30 15:19:57.036 INFO [stderr]     Checking bitflags v1.0.4
Nov 30 15:19:57.036 INFO [stderr]     Checking cfg-if v0.1.6
Nov 30 15:19:57.036 INFO [stderr]     Checking fnv v1.0.6
Nov 30 15:19:58.026 INFO [stderr]     Checking textwrap v0.10.0
Nov 30 15:20:03.444 INFO [stderr]     Checking atty v0.2.11
Nov 30 15:20:03.444 INFO [stderr]     Checking filetime v0.1.15
Nov 30 15:20:04.340 INFO [stderr]     Checking clap v2.32.0
Nov 30 15:20:09.268 INFO [stderr]     Checking smetamath v3.0.0 (/source)
Nov 30 15:20:12.317 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:12.317 INFO [stderr]    --> src/database.rs:247:25
Nov 30 15:20:12.317 INFO [stderr]     |
Nov 30 15:20:12.317 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 30 15:20:12.317 INFO [stderr]     |                         ----^^
Nov 30 15:20:12.317 INFO [stderr]     |                         |
Nov 30 15:20:12.317 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:12.317 INFO [stderr]     |
Nov 30 15:20:12.317 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:20:12.317 INFO [stderr] 
Nov 30 15:20:12.317 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:12.317 INFO [stderr]    --> src/database.rs:247:25
Nov 30 15:20:12.317 INFO [stderr]     |
Nov 30 15:20:12.317 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 30 15:20:12.317 INFO [stderr]     |                         ----^^
Nov 30 15:20:12.317 INFO [stderr]     |                         |
Nov 30 15:20:12.317 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:12.317 INFO [stderr] 
Nov 30 15:20:12.317 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:12.317 INFO [stderr]    --> src/database.rs:268:25
Nov 30 15:20:12.317 INFO [stderr]     |
Nov 30 15:20:12.317 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Nov 30 15:20:12.317 INFO [stderr]     |                         ----^^
Nov 30 15:20:12.317 INFO [stderr]     |                         |
Nov 30 15:20:12.317 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:12.317 INFO [stderr] 
Nov 30 15:20:12.317 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:12.317 INFO [stderr]    --> src/database.rs:291:25
Nov 30 15:20:12.317 INFO [stderr]     |
Nov 30 15:20:12.317 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Nov 30 15:20:12.317 INFO [stderr]     |                         ----^^^
Nov 30 15:20:12.317 INFO [stderr]     |                         |
Nov 30 15:20:12.317 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:12.317 INFO [stderr] 
Nov 30 15:20:12.592 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:12.592 INFO [stderr]    --> src/database.rs:247:25
Nov 30 15:20:12.592 INFO [stderr]     |
Nov 30 15:20:12.592 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 30 15:20:12.592 INFO [stderr]     |                         ----^^
Nov 30 15:20:12.592 INFO [stderr]     |                         |
Nov 30 15:20:12.592 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:12.592 INFO [stderr]     |
Nov 30 15:20:12.592 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 30 15:20:12.592 INFO [stderr] 
Nov 30 15:20:12.592 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:12.592 INFO [stderr]    --> src/database.rs:247:25
Nov 30 15:20:12.592 INFO [stderr]     |
Nov 30 15:20:12.592 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 30 15:20:12.592 INFO [stderr]     |                         ----^^
Nov 30 15:20:12.592 INFO [stderr]     |                         |
Nov 30 15:20:12.592 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:12.592 INFO [stderr] 
Nov 30 15:20:12.592 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:12.592 INFO [stderr]    --> src/database.rs:268:25
Nov 30 15:20:12.592 INFO [stderr]     |
Nov 30 15:20:12.592 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Nov 30 15:20:12.592 INFO [stderr]     |                         ----^^
Nov 30 15:20:12.592 INFO [stderr]     |                         |
Nov 30 15:20:12.592 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:12.592 INFO [stderr] 
Nov 30 15:20:12.592 INFO [stderr] warning: variable does not need to be mutable
Nov 30 15:20:12.592 INFO [stderr]    --> src/database.rs:291:25
Nov 30 15:20:12.592 INFO [stderr]     |
Nov 30 15:20:12.592 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Nov 30 15:20:12.592 INFO [stderr]     |                         ----^^^
Nov 30 15:20:12.592 INFO [stderr]     |                         |
Nov 30 15:20:12.592 INFO [stderr]     |                         help: remove this `mut`
Nov 30 15:20:12.592 INFO [stderr] 
Nov 30 15:20:13.148 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 16.25s
Nov 30 15:20:13.152 INFO [stderr] su: No module specific data is present
Nov 30 15:20:13.884 INFO running `"docker" "inspect" "b8bb2c0fe511d0aa52216d71cff520f554078b2fe7a3fabcbf198768b49489ae"`
Nov 30 15:20:14.152 INFO running `"docker" "rm" "-f" "b8bb2c0fe511d0aa52216d71cff520f554078b2fe7a3fabcbf198768b49489ae"`
Nov 30 15:20:14.588 INFO [stdout] b8bb2c0fe511d0aa52216d71cff520f554078b2fe7a3fabcbf198768b49489ae