Nov 17 22:32:52.439 INFO testing smetamath-3.0.0 against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 22:32:52.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 22:32:52.880 INFO [stdout] 696b8de14eaff01c3691c81be90e6dfeb1cbf54825a15a5f6900e9627324c3de
Nov 17 22:32:52.887 INFO running `"docker" "start" "-a" "696b8de14eaff01c3691c81be90e6dfeb1cbf54825a15a5f6900e9627324c3de"`
Nov 17 22:32:54.192 INFO [stderr] usermod: no changes
Nov 17 22:32:54.299 INFO [stderr]    Compiling libc v0.2.43
Nov 17 22:32:54.299 INFO [stderr]    Compiling unicode-width v0.1.5
Nov 17 22:32:54.299 INFO [stderr]    Compiling vec_map v0.8.1
Nov 17 22:32:54.299 INFO [stderr]    Compiling ansi_term v0.11.0
Nov 17 22:32:54.299 INFO [stderr]    Compiling bitflags v1.0.4
Nov 17 22:32:54.299 INFO [stderr]    Compiling strsim v0.7.0
Nov 17 22:32:54.299 INFO [stderr]    Compiling cfg-if v0.1.6
Nov 17 22:32:54.310 INFO [stderr]    Compiling fnv v1.0.6
Nov 17 22:32:55.355 INFO [stderr]    Compiling textwrap v0.10.0
Nov 17 22:33:03.699 INFO [stderr]    Compiling atty v0.2.11
Nov 17 22:33:03.699 INFO [stderr]    Compiling filetime v0.1.15
Nov 17 22:33:04.827 INFO [stderr]    Compiling clap v2.32.0
Nov 17 22:33:46.937 INFO [stderr]    Compiling smetamath v3.0.0 (/source)
Nov 17 22:33:48.702 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:33:48.703 INFO [stderr]    --> src/database.rs:247:25
Nov 17 22:33:48.703 INFO [stderr]     |
Nov 17 22:33:48.703 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 17 22:33:48.703 INFO [stderr]     |                         ----^^
Nov 17 22:33:48.703 INFO [stderr]     |                         |
Nov 17 22:33:48.703 INFO [stderr]     |                         help: remove this `mut`
Nov 17 22:33:48.703 INFO [stderr]     |
Nov 17 22:33:48.703 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 22:33:48.703 INFO [stderr] 
Nov 17 22:33:48.703 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:33:48.703 INFO [stderr]    --> src/database.rs:247:25
Nov 17 22:33:48.703 INFO [stderr]     |
Nov 17 22:33:48.703 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 17 22:33:48.703 INFO [stderr]     |                         ----^^
Nov 17 22:33:48.703 INFO [stderr]     |                         |
Nov 17 22:33:48.703 INFO [stderr]     |                         help: remove this `mut`
Nov 17 22:33:48.703 INFO [stderr] 
Nov 17 22:33:48.707 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:33:48.707 INFO [stderr]    --> src/database.rs:268:25
Nov 17 22:33:48.707 INFO [stderr]     |
Nov 17 22:33:48.707 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Nov 17 22:33:48.707 INFO [stderr]     |                         ----^^
Nov 17 22:33:48.707 INFO [stderr]     |                         |
Nov 17 22:33:48.707 INFO [stderr]     |                         help: remove this `mut`
Nov 17 22:33:48.707 INFO [stderr] 
Nov 17 22:33:48.707 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:33:48.707 INFO [stderr]    --> src/database.rs:291:25
Nov 17 22:33:48.707 INFO [stderr]     |
Nov 17 22:33:48.707 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Nov 17 22:33:48.707 INFO [stderr]     |                         ----^^^
Nov 17 22:33:48.707 INFO [stderr]     |                         |
Nov 17 22:33:48.707 INFO [stderr]     |                         help: remove this `mut`
Nov 17 22:33:48.707 INFO [stderr] 
Nov 17 22:34:12.987 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 18s
Nov 17 22:34:12.993 INFO [stderr] su: No module specific data is present
Nov 17 22:34:14.202 INFO running `"docker" "inspect" "696b8de14eaff01c3691c81be90e6dfeb1cbf54825a15a5f6900e9627324c3de"`
Nov 17 22:34:14.621 INFO running `"docker" "rm" "-f" "696b8de14eaff01c3691c81be90e6dfeb1cbf54825a15a5f6900e9627324c3de"`
Nov 17 22:34:15.031 INFO [stdout] 696b8de14eaff01c3691c81be90e6dfeb1cbf54825a15a5f6900e9627324c3de
Nov 17 22:34:15.041 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 22:34:15.621 INFO [stdout] 1a6745c8e04d10284ed4fa8c78e3b0a96acbdcec7224c0e6234264caacb45315
Nov 17 22:34:15.624 INFO running `"docker" "start" "-a" "1a6745c8e04d10284ed4fa8c78e3b0a96acbdcec7224c0e6234264caacb45315"`
Nov 17 22:34:17.518 INFO [stderr] usermod: no changes
Nov 17 22:34:17.603 INFO [stderr]    Compiling smetamath v3.0.0 (/source)
Nov 17 22:34:19.744 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:34:19.744 INFO [stderr]    --> src/database.rs:247:25
Nov 17 22:34:19.744 INFO [stderr]     |
Nov 17 22:34:19.744 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 17 22:34:19.744 INFO [stderr]     |                         ----^^
Nov 17 22:34:19.744 INFO [stderr]     |                         |
Nov 17 22:34:19.744 INFO [stderr]     |                         help: remove this `mut`
Nov 17 22:34:19.744 INFO [stderr]     |
Nov 17 22:34:19.744 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 22:34:19.744 INFO [stderr] 
Nov 17 22:34:19.744 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:34:19.744 INFO [stderr]    --> src/database.rs:247:25
Nov 17 22:34:19.744 INFO [stderr]     |
Nov 17 22:34:19.745 INFO [stderr] 247 |                     let mut ns = Arc::make_mut(self.prev_nameset.as_mut().unwrap());
Nov 17 22:34:19.745 INFO [stderr]     |                         ----^^
Nov 17 22:34:19.745 INFO [stderr]     |                         |
Nov 17 22:34:19.745 INFO [stderr]     |                         help: remove this `mut`
Nov 17 22:34:19.745 INFO [stderr] 
Nov 17 22:34:19.755 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:34:19.755 INFO [stderr]    --> src/database.rs:268:25
Nov 17 22:34:19.755 INFO [stderr]     |
Nov 17 22:34:19.755 INFO [stderr] 268 |                     let mut ns = Arc::make_mut(self.prev_scopes.as_mut().unwrap());
Nov 17 22:34:19.755 INFO [stderr]     |                         ----^^
Nov 17 22:34:19.755 INFO [stderr]     |                         |
Nov 17 22:34:19.755 INFO [stderr]     |                         help: remove this `mut`
Nov 17 22:34:19.755 INFO [stderr] 
Nov 17 22:34:19.756 INFO [stderr] warning: variable does not need to be mutable
Nov 17 22:34:19.756 INFO [stderr]    --> src/database.rs:291:25
Nov 17 22:34:19.756 INFO [stderr]     |
Nov 17 22:34:19.756 INFO [stderr] 291 |                     let mut ver = Arc::make_mut(self.prev_verify.as_mut().unwrap());
Nov 17 22:34:19.756 INFO [stderr]     |                         ----^^^
Nov 17 22:34:19.756 INFO [stderr]     |                         |
Nov 17 22:34:19.756 INFO [stderr]     |                         help: remove this `mut`
Nov 17 22:34:19.756 INFO [stderr] 
Nov 17 22:34:20.507 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 2.97s
Nov 17 22:34:20.511 INFO [stderr] su: No module specific data is present
Nov 17 22:34:21.730 INFO running `"docker" "inspect" "1a6745c8e04d10284ed4fa8c78e3b0a96acbdcec7224c0e6234264caacb45315"`
Nov 17 22:34:22.087 INFO running `"docker" "rm" "-f" "1a6745c8e04d10284ed4fa8c78e3b0a96acbdcec7224c0e6234264caacb45315"`
Nov 17 22:34:22.339 INFO [stdout] 1a6745c8e04d10284ed4fa8c78e3b0a96acbdcec7224c0e6234264caacb45315
Nov 17 22:34:22.348 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 22:34:22.780 INFO [stdout] b6171dc0ff7d4d3723e9e5a18b16120fb8ca5747be74fbd0b938b00a8d6d7612
Nov 17 22:34:22.782 INFO running `"docker" "start" "-a" "b6171dc0ff7d4d3723e9e5a18b16120fb8ca5747be74fbd0b938b00a8d6d7612"`
Nov 17 22:34:24.915 INFO [stderr] usermod: no changes
Nov 17 22:34:24.999 INFO [stderr]     Finished dev [optimized + debuginfo] target(s) in 0.05s
Nov 17 22:34:25.001 INFO [stderr]      Running /target/debug/deps/smetamath-8f8533287bcb62b7
Nov 17 22:34:25.011 INFO [stdout] 
Nov 17 22:34:25.011 INFO [stdout] running 0 tests
Nov 17 22:34:25.011 INFO [stdout] 
Nov 17 22:34:25.011 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 22:34:25.011 INFO [stdout] 
Nov 17 22:34:25.019 INFO [stderr] su: No module specific data is present
Nov 17 22:34:26.343 INFO running `"docker" "inspect" "b6171dc0ff7d4d3723e9e5a18b16120fb8ca5747be74fbd0b938b00a8d6d7612"`
Nov 17 22:34:26.579 INFO running `"docker" "rm" "-f" "b6171dc0ff7d4d3723e9e5a18b16120fb8ca5747be74fbd0b938b00a8d6d7612"`
Nov 17 22:34:26.756 INFO [stdout] b6171dc0ff7d4d3723e9e5a18b16120fb8ca5747be74fbd0b938b00a8d6d7612