Sep 10 09:34:50.731 INFO checking smetamath-3.0.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 09:34:50.731 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 09:34:50.731 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/try#3a2610c2a16575649896925631bf8cec4f4b1961:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:34:50.946 INFO blam! 54d13c2aa61faad47b0de687cf3f4d3f48da59f941a7700af88e641e3dbc3b04
Sep 10 09:34:50.948 INFO running `"docker" "start" "-a" "54d13c2aa61faad47b0de687cf3f4d3f48da59f941a7700af88e641e3dbc3b04"`
Sep 10 09:34:51.745 INFO kablam! usermod: no changes
Sep 10 09:34:51.794 INFO kablam!     Checking libc v0.2.43
Sep 10 09:34:51.794 INFO kablam!     Checking unicode-width v0.1.5
Sep 10 09:34:51.794 INFO kablam!     Checking bitflags v1.0.4
Sep 10 09:34:51.795 INFO kablam!     Checking cfg-if v0.1.5
Sep 10 09:34:51.795 INFO kablam!     Checking vec_map v0.8.1
Sep 10 09:34:51.795 INFO kablam!     Checking strsim v0.7.0
Sep 10 09:34:51.795 INFO kablam!     Checking ansi_term v0.11.0
Sep 10 09:34:51.795 INFO kablam!     Checking fnv v1.0.6
Sep 10 09:34:52.090 INFO kablam!     Checking textwrap v0.10.0
Sep 10 09:34:54.115 INFO kablam!     Checking atty v0.2.11
Sep 10 09:34:54.116 INFO kablam!     Checking filetime v0.1.15
Sep 10 09:34:54.482 INFO kablam!     Checking clap v2.32.0
Sep 10 09:34:59.935 INFO kablam!     Checking smetamath v3.0.0 (file:///source)
Sep 10 09:35:02.106 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:35:02.106 INFO kablam!    --> src/database.rs:247:25
Sep 10 09:35:02.106 INFO kablam!     |
Sep 10 09:35:02.106 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 10 09:35:02.106 INFO kablam!     |                         ----^^
Sep 10 09:35:02.106 INFO kablam!     |                         |
Sep 10 09:35:02.106 INFO kablam!     |                         help: remove this `mut`
Sep 10 09:35:02.106 INFO kablam!     |
Sep 10 09:35:02.106 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 09:35:02.106 INFO kablam! 
Sep 10 09:35:02.114 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:35:02.114 INFO kablam!    --> src/database.rs:247:25
Sep 10 09:35:02.114 INFO kablam!     |
Sep 10 09:35:02.114 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 10 09:35:02.114 INFO kablam!     |                         ----^^
Sep 10 09:35:02.114 INFO kablam!     |                         |
Sep 10 09:35:02.114 INFO kablam!     |                         help: remove this `mut`
Sep 10 09:35:02.114 INFO kablam! 
Sep 10 09:35:02.114 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:35:02.114 INFO kablam!    --> src/database.rs:268:25
Sep 10 09:35:02.114 INFO kablam!     |
Sep 10 09:35:02.114 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Sep 10 09:35:02.114 INFO kablam!     |                         ----^^
Sep 10 09:35:02.114 INFO kablam!     |                         |
Sep 10 09:35:02.114 INFO kablam!     |                         help: remove this `mut`
Sep 10 09:35:02.114 INFO kablam! 
Sep 10 09:35:02.114 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:35:02.114 INFO kablam!    --> src/database.rs:291:25
Sep 10 09:35:02.114 INFO kablam!     |
Sep 10 09:35:02.114 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Sep 10 09:35:02.114 INFO kablam!     |                         ----^^^
Sep 10 09:35:02.114 INFO kablam!     |                         |
Sep 10 09:35:02.114 INFO kablam!     |                         help: remove this `mut`
Sep 10 09:35:02.114 INFO kablam! 
Sep 10 09:35:02.650 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:35:02.650 INFO kablam!    --> src/database.rs:247:25
Sep 10 09:35:02.650 INFO kablam!     |
Sep 10 09:35:02.650 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 10 09:35:02.650 INFO kablam!     |                         ----^^
Sep 10 09:35:02.650 INFO kablam!     |                         |
Sep 10 09:35:02.650 INFO kablam!     |                         help: remove this `mut`
Sep 10 09:35:02.650 INFO kablam!     |
Sep 10 09:35:02.650 INFO kablam!     = note: #[warn(unused_mut)] on by default
Sep 10 09:35:02.650 INFO kablam! 
Sep 10 09:35:02.650 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:35:02.650 INFO kablam!    --> src/database.rs:247:25
Sep 10 09:35:02.650 INFO kablam!     |
Sep 10 09:35:02.650 INFO kablam! 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Sep 10 09:35:02.650 INFO kablam!     |                         ----^^
Sep 10 09:35:02.650 INFO kablam!     |                         |
Sep 10 09:35:02.650 INFO kablam!     |                         help: remove this `mut`
Sep 10 09:35:02.650 INFO kablam! 
Sep 10 09:35:02.650 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:35:02.650 INFO kablam!    --> src/database.rs:268:25
Sep 10 09:35:02.650 INFO kablam!     |
Sep 10 09:35:02.650 INFO kablam! 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Sep 10 09:35:02.650 INFO kablam!     |                         ----^^
Sep 10 09:35:02.650 INFO kablam!     |                         |
Sep 10 09:35:02.650 INFO kablam!     |                         help: remove this `mut`
Sep 10 09:35:02.650 INFO kablam! 
Sep 10 09:35:02.650 INFO kablam! warning: variable does not need to be mutable
Sep 10 09:35:02.650 INFO kablam!    --> src/database.rs:291:25
Sep 10 09:35:02.650 INFO kablam!     |
Sep 10 09:35:02.650 INFO kablam! 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Sep 10 09:35:02.650 INFO kablam!     |                         ----^^^
Sep 10 09:35:02.651 INFO kablam!     |                         |
Sep 10 09:35:02.651 INFO kablam!     |                         help: remove this `mut`
Sep 10 09:35:02.651 INFO kablam! 
Sep 10 09:35:02.995 INFO kablam!     Finished dev [optimized + debuginfo] target(s) in 11.23s
Sep 10 09:35:02.999 INFO kablam! su: No module specific data is present
Sep 10 09:35:03.956 INFO running `"docker" "rm" "-f" "54d13c2aa61faad47b0de687cf3f4d3f48da59f941a7700af88e641e3dbc3b04"`
Sep 10 09:35:04.065 INFO blam! 54d13c2aa61faad47b0de687cf3f4d3f48da59f941a7700af88e641e3dbc3b04