Dec 04 13:40:20.704 INFO checking mtn/silver against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 13:40:20.704 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 13:40:21.317 INFO [stdout] 07cc43b319a8a5d070a1254282ebdf1ffdf15b9309adfa9f6a7cad731b50991a
Dec 04 13:40:21.323 INFO running `"docker" "start" "-a" "07cc43b319a8a5d070a1254282ebdf1ffdf15b9309adfa9f6a7cad731b50991a"`
Dec 04 13:40:22.606 INFO [stderr] usermod: no changes
Dec 04 13:40:22.669 INFO [stderr]     Checking silver v0.1.0 (/source)
Dec 04 13:40:23.735 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.735 INFO [stderr]    --> src/parser.rs:331:13
Dec 04 13:40:23.735 INFO [stderr]     |
Dec 04 13:40:23.735 INFO [stderr] 331 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.735 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.735 INFO [stderr]     |             |
Dec 04 13:40:23.735 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.735 INFO [stderr]     |
Dec 04 13:40:23.735 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 04 13:40:23.735 INFO [stderr] 
Dec 04 13:40:23.739 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.739 INFO [stderr]    --> src/parser.rs:344:13
Dec 04 13:40:23.739 INFO [stderr]     |
Dec 04 13:40:23.739 INFO [stderr] 344 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.739 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.739 INFO [stderr]     |             |
Dec 04 13:40:23.739 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.739 INFO [stderr] 
Dec 04 13:40:23.743 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.743 INFO [stderr]    --> src/parser.rs:366:13
Dec 04 13:40:23.743 INFO [stderr]     |
Dec 04 13:40:23.743 INFO [stderr] 366 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.743 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.743 INFO [stderr]     |             |
Dec 04 13:40:23.743 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.743 INFO [stderr] 
Dec 04 13:40:23.743 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.743 INFO [stderr]    --> src/parser.rs:385:13
Dec 04 13:40:23.743 INFO [stderr]     |
Dec 04 13:40:23.743 INFO [stderr] 385 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.743 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.743 INFO [stderr]     |             |
Dec 04 13:40:23.743 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.743 INFO [stderr] 
Dec 04 13:40:23.743 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.743 INFO [stderr]    --> src/parser.rs:406:13
Dec 04 13:40:23.743 INFO [stderr]     |
Dec 04 13:40:23.743 INFO [stderr] 406 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.743 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.743 INFO [stderr]     |             |
Dec 04 13:40:23.743 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.743 INFO [stderr] 
Dec 04 13:40:23.747 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.747 INFO [stderr]    --> src/parser.rs:430:13
Dec 04 13:40:23.747 INFO [stderr]     |
Dec 04 13:40:23.747 INFO [stderr] 430 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.747 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.747 INFO [stderr]     |             |
Dec 04 13:40:23.747 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.747 INFO [stderr] 
Dec 04 13:40:23.751 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.751 INFO [stderr]    --> src/parser.rs:451:13
Dec 04 13:40:23.751 INFO [stderr]     |
Dec 04 13:40:23.751 INFO [stderr] 451 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.751 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.751 INFO [stderr]     |             |
Dec 04 13:40:23.751 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.751 INFO [stderr] 
Dec 04 13:40:23.751 INFO [stderr] warning: variable does not need to be mutable
Dec 04 13:40:23.751 INFO [stderr]    --> src/parser.rs:487:13
Dec 04 13:40:23.751 INFO [stderr]     |
Dec 04 13:40:23.751 INFO [stderr] 487 |         let mut lexer = lexer::Lexer::new(inp);
Dec 04 13:40:23.751 INFO [stderr]     |             ----^^^^^
Dec 04 13:40:23.751 INFO [stderr]     |             |
Dec 04 13:40:23.751 INFO [stderr]     |             help: remove this `mut`
Dec 04 13:40:23.751 INFO [stderr] 
Dec 04 13:40:23.788 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
Dec 04 13:40:23.790 INFO [stderr] su: No module specific data is present
Dec 04 13:40:24.387 INFO running `"docker" "inspect" "07cc43b319a8a5d070a1254282ebdf1ffdf15b9309adfa9f6a7cad731b50991a"`
Dec 04 13:40:24.691 INFO running `"docker" "rm" "-f" "07cc43b319a8a5d070a1254282ebdf1ffdf15b9309adfa9f6a7cad731b50991a"`
Dec 04 13:40:24.935 INFO [stdout] 07cc43b319a8a5d070a1254282ebdf1ffdf15b9309adfa9f6a7cad731b50991a