Oct 21 23:33:14.015 INFO checking smetamath-3.0.0 against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 23:33:14.015 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-6/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 23:33:14.456 INFO blam! 79bd20a0bef5f0e66d689b3d366dcd33cd53884c2e6411798237a32cfc8724de
Oct 21 23:33:14.464 INFO running `"docker" "start" "-a" "79bd20a0bef5f0e66d689b3d366dcd33cd53884c2e6411798237a32cfc8724de"`
Oct 21 23:33:15.779 INFO kablam! usermod: no changes
Oct 21 23:33:15.926 INFO kablam!     Checking libc v0.2.43
Oct 21 23:33:15.926 INFO kablam!     Checking unicode-width v0.1.5
Oct 21 23:33:15.927 INFO kablam!     Checking strsim v0.7.0
Oct 21 23:33:15.927 INFO kablam!     Checking bitflags v1.0.4
Oct 21 23:33:15.927 INFO kablam!     Checking ansi_term v0.11.0
Oct 21 23:33:15.927 INFO kablam!     Checking cfg-if v0.1.6
Oct 21 23:33:15.928 INFO kablam!     Checking vec_map v0.8.1
Oct 21 23:33:15.928 INFO kablam!     Checking fnv v1.0.6
Oct 21 23:33:17.100 INFO kablam!     Checking textwrap v0.10.0
Oct 21 23:33:21.425 INFO kablam!     Checking atty v0.2.11
Oct 21 23:33:21.426 INFO kablam!     Checking filetime v0.1.15
Oct 21 23:33:22.020 INFO kablam!     Checking clap v2.32.0
Oct 21 23:33:27.590 INFO kablam!     Checking smetamath v3.0.0 (/source)
Oct 21 23:33:30.660 INFO kablam! warning: variable does not need to be mutable
Oct 21 23:33:30.660 INFO kablam!    --> src/database.rs:247:25
Oct 21 23:33:30.660 INFO kablam!     |
Oct 21 23:33:30.660 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Oct 21 23:33:30.660 INFO kablam!     |                         ----^^
Oct 21 23:33:30.660 INFO kablam!     |                         |
Oct 21 23:33:30.660 INFO kablam!     |                         help: remove this `mut`
Oct 21 23:33:30.660 INFO kablam!     |
Oct 21 23:33:30.661 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 23:33:30.661 INFO kablam! 
Oct 21 23:33:30.661 INFO kablam! warning: variable does not need to be mutable
Oct 21 23:33:30.661 INFO kablam!    --> src/database.rs:247:25
Oct 21 23:33:30.661 INFO kablam!     |
Oct 21 23:33:30.661 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Oct 21 23:33:30.661 INFO kablam!     |                         ----^^
Oct 21 23:33:30.661 INFO kablam!     |                         |
Oct 21 23:33:30.661 INFO kablam!     |                         help: remove this `mut`
Oct 21 23:33:30.661 INFO kablam! 
Oct 21 23:33:30.661 INFO kablam! warning: variable does not need to be mutable
Oct 21 23:33:30.661 INFO kablam!    --> src/database.rs:268:25
Oct 21 23:33:30.661 INFO kablam!     |
Oct 21 23:33:30.661 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Oct 21 23:33:30.661 INFO kablam!     |                         ----^^
Oct 21 23:33:30.661 INFO kablam!     |                         |
Oct 21 23:33:30.661 INFO kablam!     |                         help: remove this `mut`
Oct 21 23:33:30.661 INFO kablam! 
Oct 21 23:33:30.672 INFO kablam! warning: variable does not need to be mutable
Oct 21 23:33:30.672 INFO kablam!    --> src/database.rs:291:25
Oct 21 23:33:30.672 INFO kablam!     |
Oct 21 23:33:30.672 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Oct 21 23:33:30.672 INFO kablam!     |                         ----^^^
Oct 21 23:33:30.672 INFO kablam!     |                         |
Oct 21 23:33:30.672 INFO kablam!     |                         help: remove this `mut`
Oct 21 23:33:30.672 INFO kablam! 
Oct 21 23:33:30.889 INFO kablam! warning: variable does not need to be mutable
Oct 21 23:33:30.889 INFO kablam!    --> src/database.rs:247:25
Oct 21 23:33:30.889 INFO kablam!     |
Oct 21 23:33:30.889 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Oct 21 23:33:30.889 INFO kablam!     |                         ----^^
Oct 21 23:33:30.889 INFO kablam!     |                         |
Oct 21 23:33:30.889 INFO kablam!     |                         help: remove this `mut`
Oct 21 23:33:30.889 INFO kablam!     |
Oct 21 23:33:30.889 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 21 23:33:30.889 INFO kablam! 
Oct 21 23:33:30.889 INFO kablam! warning: variable does not need to be mutable
Oct 21 23:33:30.889 INFO kablam!    --> src/database.rs:247:25
Oct 21 23:33:30.889 INFO kablam!     |
Oct 21 23:33:30.889 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Oct 21 23:33:30.889 INFO kablam!     |                         ----^^
Oct 21 23:33:30.889 INFO kablam!     |                         |
Oct 21 23:33:30.889 INFO kablam!     |                         help: remove this `mut`
Oct 21 23:33:30.889 INFO kablam! 
Oct 21 23:33:30.889 INFO kablam! warning: variable does not need to be mutable
Oct 21 23:33:30.889 INFO kablam!    --> src/database.rs:268:25
Oct 21 23:33:30.889 INFO kablam!     |
Oct 21 23:33:30.889 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Oct 21 23:33:30.889 INFO kablam!     |                         ----^^
Oct 21 23:33:30.889 INFO kablam!     |                         |
Oct 21 23:33:30.889 INFO kablam!     |                         help: remove this `mut`
Oct 21 23:33:30.889 INFO kablam! 
Oct 21 23:33:30.889 INFO kablam! warning: variable does not need to be mutable
Oct 21 23:33:30.889 INFO kablam!    --> src/database.rs:291:25
Oct 21 23:33:30.889 INFO kablam!     |
Oct 21 23:33:30.889 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Oct 21 23:33:30.889 INFO kablam!     |                         ----^^^
Oct 21 23:33:30.889 INFO kablam!     |                         |
Oct 21 23:33:30.889 INFO kablam!     |                         help: remove this `mut`
Oct 21 23:33:30.889 INFO kablam! 
Oct 21 23:33:31.470 INFO kablam!     Finished dev [optimized + debuginfo] target(s) in 15.64s
Oct 21 23:33:31.470 INFO kablam! su: No module specific data is present
Oct 21 23:33:32.094 INFO running `"docker" "rm" "-f" "79bd20a0bef5f0e66d689b3d366dcd33cd53884c2e6411798237a32cfc8724de"`
Oct 21 23:33:32.589 INFO blam! 79bd20a0bef5f0e66d689b3d366dcd33cd53884c2e6411798237a32cfc8724de