Dec 14 19:24:00.603 INFO testing smetamath-3.0.0 against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 14 19:24:00.603 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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"`
Dec 14 19:24:01.033 INFO [stdout] 1f98d01f8fe60744b992006ff5329785fde8f7d4cd1efedf454eca12eb082387
Dec 14 19:24:01.040 INFO running `"docker" "start" "-a" "1f98d01f8fe60744b992006ff5329785fde8f7d4cd1efedf454eca12eb082387"`
Dec 14 19:24:02.148 INFO [stderr] usermod: no changes
Dec 14 19:24:02.235 INFO [stderr]    Compiling libc v0.2.45
Dec 14 19:24:02.235 INFO [stderr]    Compiling unicode-width v0.1.5
Dec 14 19:24:02.235 INFO [stderr]    Compiling ansi_term v0.11.0
Dec 14 19:24:02.235 INFO [stderr]    Compiling bitflags v1.0.4
Dec 14 19:24:02.236 INFO [stderr]    Compiling vec_map v0.8.1
Dec 14 19:24:02.236 INFO [stderr]    Compiling cfg-if v0.1.6
Dec 14 19:24:02.236 INFO [stderr]    Compiling strsim v0.7.0
Dec 14 19:24:02.237 INFO [stderr]    Compiling fnv v1.0.6
Dec 14 19:24:03.192 INFO [stderr]    Compiling textwrap v0.10.0
Dec 14 19:24:13.835 INFO [stderr]    Compiling atty v0.2.11
Dec 14 19:24:13.836 INFO [stderr]    Compiling filetime v0.1.15
Dec 14 19:24:14.611 INFO [stderr]    Compiling clap v2.32.0
Dec 14 19:25:01.731 INFO [stderr]    Compiling smetamath v3.0.0 (/source)
Dec 14 19:25:03.775 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:03.775 INFO [stderr]    --> src/database.rs:247:25
Dec 14 19:25:03.776 INFO [stderr]     |
Dec 14 19:25:03.776 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Dec 14 19:25:03.776 INFO [stderr]     |                         ----^^
Dec 14 19:25:03.777 INFO [stderr]     |                         |
Dec 14 19:25:03.777 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:03.777 INFO [stderr]     |
Dec 14 19:25:03.778 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 19:25:03.778 INFO [stderr] 
Dec 14 19:25:03.778 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:03.778 INFO [stderr]    --> src/database.rs:247:25
Dec 14 19:25:03.779 INFO [stderr]     |
Dec 14 19:25:03.779 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Dec 14 19:25:03.779 INFO [stderr]     |                         ----^^
Dec 14 19:25:03.780 INFO [stderr]     |                         |
Dec 14 19:25:03.780 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:03.780 INFO [stderr] 
Dec 14 19:25:03.780 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:03.781 INFO [stderr]    --> src/database.rs:268:25
Dec 14 19:25:03.781 INFO [stderr]     |
Dec 14 19:25:03.781 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Dec 14 19:25:03.782 INFO [stderr]     |                         ----^^
Dec 14 19:25:03.782 INFO [stderr]     |                         |
Dec 14 19:25:03.782 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:03.782 INFO [stderr] 
Dec 14 19:25:03.783 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:03.783 INFO [stderr]    --> src/database.rs:291:25
Dec 14 19:25:03.783 INFO [stderr]     |
Dec 14 19:25:03.784 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Dec 14 19:25:03.784 INFO [stderr]     |                         ----^^^
Dec 14 19:25:03.784 INFO [stderr]     |                         |
Dec 14 19:25:03.784 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:03.785 INFO [stderr] 
Dec 14 19:25:40.168 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 37s
Dec 14 19:25:40.175 INFO [stderr] su: No module specific data is present
Dec 14 19:25:41.895 INFO running `"docker" "inspect" "1f98d01f8fe60744b992006ff5329785fde8f7d4cd1efedf454eca12eb082387"`
Dec 14 19:25:42.259 INFO running `"docker" "rm" "-f" "1f98d01f8fe60744b992006ff5329785fde8f7d4cd1efedf454eca12eb082387"`
Dec 14 19:25:42.702 INFO [stdout] 1f98d01f8fe60744b992006ff5329785fde8f7d4cd1efedf454eca12eb082387
Dec 14 19:25:42.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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"`
Dec 14 19:25:43.317 INFO [stdout] 49f77efabd432d3c0d5fd8a00c09e91df501ebb1d8cc5ee6459b5e6e82875fb9
Dec 14 19:25:43.319 INFO running `"docker" "start" "-a" "49f77efabd432d3c0d5fd8a00c09e91df501ebb1d8cc5ee6459b5e6e82875fb9"`
Dec 14 19:25:45.454 INFO [stderr] usermod: no changes
Dec 14 19:25:45.543 INFO [stderr]    Compiling smetamath v3.0.0 (/source)
Dec 14 19:25:47.700 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:47.700 INFO [stderr]    --> src/database.rs:247:25
Dec 14 19:25:47.700 INFO [stderr]     |
Dec 14 19:25:47.700 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Dec 14 19:25:47.700 INFO [stderr]     |                         ----^^
Dec 14 19:25:47.700 INFO [stderr]     |                         |
Dec 14 19:25:47.700 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:47.700 INFO [stderr]     |
Dec 14 19:25:47.700 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 14 19:25:47.700 INFO [stderr] 
Dec 14 19:25:47.700 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:47.700 INFO [stderr]    --> src/database.rs:247:25
Dec 14 19:25:47.700 INFO [stderr]     |
Dec 14 19:25:47.700 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Dec 14 19:25:47.700 INFO [stderr]     |                         ----^^
Dec 14 19:25:47.700 INFO [stderr]     |                         |
Dec 14 19:25:47.700 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:47.700 INFO [stderr] 
Dec 14 19:25:47.701 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:47.701 INFO [stderr]    --> src/database.rs:268:25
Dec 14 19:25:47.701 INFO [stderr]     |
Dec 14 19:25:47.701 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Dec 14 19:25:47.702 INFO [stderr]     |                         ----^^
Dec 14 19:25:47.702 INFO [stderr]     |                         |
Dec 14 19:25:47.702 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:47.702 INFO [stderr] 
Dec 14 19:25:47.703 INFO [stderr] warning: variable does not need to be mutable
Dec 14 19:25:47.703 INFO [stderr]    --> src/database.rs:291:25
Dec 14 19:25:47.703 INFO [stderr]     |
Dec 14 19:25:47.703 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Dec 14 19:25:47.704 INFO [stderr]     |                         ----^^^
Dec 14 19:25:47.704 INFO [stderr]     |                         |
Dec 14 19:25:47.704 INFO [stderr]     |                         help: remove this `mut`
Dec 14 19:25:47.704 INFO [stderr] 
Dec 14 19:25:48.500 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 3.02s
Dec 14 19:25:48.504 INFO [stderr] su: No module specific data is present
Dec 14 19:25:49.389 INFO running `"docker" "inspect" "49f77efabd432d3c0d5fd8a00c09e91df501ebb1d8cc5ee6459b5e6e82875fb9"`
Dec 14 19:25:49.765 INFO running `"docker" "rm" "-f" "49f77efabd432d3c0d5fd8a00c09e91df501ebb1d8cc5ee6459b5e6e82875fb9"`
Dec 14 19:25:50.083 INFO [stdout] 49f77efabd432d3c0d5fd8a00c09e91df501ebb1d8cc5ee6459b5e6e82875fb9
Dec 14 19:25:50.087 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-5/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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"`
Dec 14 19:25:50.484 INFO [stdout] 1ac58d63602e19356d6387de009362080ba374978844cd55fc143cbd0a65714d
Dec 14 19:25:50.488 INFO running `"docker" "start" "-a" "1ac58d63602e19356d6387de009362080ba374978844cd55fc143cbd0a65714d"`
Dec 14 19:25:51.365 INFO [stderr] usermod: no changes
Dec 14 19:25:51.475 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.08s
Dec 14 19:25:51.484 INFO [stderr]      Running /target/debug/deps/smetamath-6dff4f830799ccec
Dec 14 19:25:51.491 INFO [stderr] su: No module specific data is present
Dec 14 19:25:51.491 INFO [stdout] 
Dec 14 19:25:51.491 INFO [stdout] running 0 tests
Dec 14 19:25:51.491 INFO [stdout] 
Dec 14 19:25:51.491 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 14 19:25:51.491 INFO [stdout] 
Dec 14 19:25:52.212 INFO running `"docker" "inspect" "1ac58d63602e19356d6387de009362080ba374978844cd55fc143cbd0a65714d"`
Dec 14 19:25:52.487 INFO running `"docker" "rm" "-f" "1ac58d63602e19356d6387de009362080ba374978844cd55fc143cbd0a65714d"`
Dec 14 19:25:52.870 INFO [stdout] 1ac58d63602e19356d6387de009362080ba374978844cd55fc143cbd0a65714d