Dec 04 13:40:20.907 INFO checking mtn/silver against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 13:40:20.907 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 13:40:21.255 INFO [stdout] cc9c98e92b6d33f2b93a93105cd0fa034d0e58e118b7761f2d8d6c29329b6067
Dec 04 13:40:21.263 INFO running `"docker" "start" "-a" "cc9c98e92b6d33f2b93a93105cd0fa034d0e58e118b7761f2d8d6c29329b6067"`
Dec 04 13:40:22.205 INFO [stderr] usermod: no changes
Dec 04 13:40:22.267 INFO [stderr]     Checking silver v0.1.0 (/source)
Dec 04 13:40:23.358 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.359 INFO [stderr]    --> src/parser.rs:331:13
Dec 04 13:40:23.359 INFO [stderr]     |
Dec 04 13:40:23.359 INFO [stderr] 331 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.360 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.360 INFO [stderr]     |             |
Dec 04 13:40:23.360 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.361 INFO [stderr]     |
Dec 04 13:40:23.361 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 13:40:23.361 INFO [stderr] 
Dec 04 13:40:23.362 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.362 INFO [stderr]    --> src/parser.rs:344:13
Dec 04 13:40:23.362 INFO [stderr]     |
Dec 04 13:40:23.363 INFO [stderr] 344 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.363 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.363 INFO [stderr]     |             |
Dec 04 13:40:23.364 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.364 INFO [stderr] 
Dec 04 13:40:23.364 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.364 INFO [stderr]    --> src/parser.rs:366:13
Dec 04 13:40:23.365 INFO [stderr]     |
Dec 04 13:40:23.365 INFO [stderr] 366 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.365 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.365 INFO [stderr]     |             |
Dec 04 13:40:23.366 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.366 INFO [stderr] 
Dec 04 13:40:23.366 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.366 INFO [stderr]    --> src/parser.rs:385:13
Dec 04 13:40:23.367 INFO [stderr]     |
Dec 04 13:40:23.367 INFO [stderr] 385 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.367 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.368 INFO [stderr]     |             |
Dec 04 13:40:23.368 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.368 INFO [stderr] 
Dec 04 13:40:23.368 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.368 INFO [stderr]    --> src/parser.rs:406:13
Dec 04 13:40:23.369 INFO [stderr]     |
Dec 04 13:40:23.369 INFO [stderr] 406 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.369 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.370 INFO [stderr]     |             |
Dec 04 13:40:23.370 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.370 INFO [stderr] 
Dec 04 13:40:23.370 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.370 INFO [stderr]    --> src/parser.rs:430:13
Dec 04 13:40:23.370 INFO [stderr]     |
Dec 04 13:40:23.370 INFO [stderr] 430 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.370 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.370 INFO [stderr]     |             |
Dec 04 13:40:23.370 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.370 INFO [stderr] 
Dec 04 13:40:23.370 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.370 INFO [stderr]    --> src/parser.rs:451:13
Dec 04 13:40:23.370 INFO [stderr]     |
Dec 04 13:40:23.370 INFO [stderr] 451 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.370 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.370 INFO [stderr]     |             |
Dec 04 13:40:23.370 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.370 INFO [stderr] 
Dec 04 13:40:23.373 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.373 INFO [stderr]    --> src/parser.rs:487:13
Dec 04 13:40:23.373 INFO [stderr]     |
Dec 04 13:40:23.373 INFO [stderr] 487 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.373 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.373 INFO [stderr]     |             |
Dec 04 13:40:23.373 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.373 INFO [stderr] 
Dec 04 13:40:23.435 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
Dec 04 13:40:23.447 INFO [stderr] su: No module specific data is present
Dec 04 13:40:24.401 INFO running `"docker" "inspect" "cc9c98e92b6d33f2b93a93105cd0fa034d0e58e118b7761f2d8d6c29329b6067"`
Dec 04 13:40:24.693 INFO running `"docker" "rm" "-f" "cc9c98e92b6d33f2b93a93105cd0fa034d0e58e118b7761f2d8d6c29329b6067"`
Dec 04 13:40:24.995 INFO [stdout] cc9c98e92b6d33f2b93a93105cd0fa034d0e58e118b7761f2d8d6c29329b6067