Oct 31 22:43:22.917 INFO checking ravendyg/rust-playground against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Oct 31 22:43:22.917 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Oct 31 22:43:23.448 INFO blam! d5099a881923450afd26396f68a8e356e6422a03fd46bc61621c632a6910b58b
Oct 31 22:43:23.454 INFO running `"docker" "start" "-a" "d5099a881923450afd26396f68a8e356e6422a03fd46bc61621c632a6910b58b"`
Oct 31 22:43:25.305 INFO kablam! usermod: no changes
Oct 31 22:43:25.388 INFO kablam!     Checking guessing v0.1.0 (/source)
Oct 31 22:43:25.748 INFO kablam! warning: unused variable: `x`
Oct 31 22:43:25.748 INFO kablam!   --> src/main.rs:60:7
Oct 31 22:43:25.748 INFO kablam!    |
Oct 31 22:43:25.748 INFO kablam! 60 |   let x: Option<i32> = Option::Some(5);
Oct 31 22:43:25.748 INFO kablam!    |       ^ help: consider using `_x` instead
Oct 31 22:43:25.748 INFO kablam!    |
Oct 31 22:43:25.748 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 22:43:25.748 INFO kablam! 
Oct 31 22:43:25.748 INFO kablam! warning: unused variable: `q`
Oct 31 22:43:25.748 INFO kablam!   --> src/main.rs:62:7
Oct 31 22:43:25.748 INFO kablam!    |
Oct 31 22:43:25.748 INFO kablam! 62 |   let q: Option<f64> = Option::Some(5f64);
Oct 31 22:43:25.748 INFO kablam!    |       ^ help: consider using `_q` instead
Oct 31 22:43:25.748 INFO kablam! 
Oct 31 22:43:25.748 INFO kablam! warning: unused variable: `b`
Oct 31 22:43:25.748 INFO kablam!   --> src/main.rs:71:7
Oct 31 22:43:25.748 INFO kablam!    |
Oct 31 22:43:25.748 INFO kablam! 71 |   let b = 10;
Oct 31 22:43:25.748 INFO kablam!    |       ^ help: consider using `_b` instead
Oct 31 22:43:25.748 INFO kablam! 
Oct 31 22:43:25.748 INFO kablam! warning: variant is never constructed: `None`
Oct 31 22:43:25.749 INFO kablam!   --> src/main.rs:49:3
Oct 31 22:43:25.749 INFO kablam!    |
Oct 31 22:43:25.749 INFO kablam! 49 |   None
Oct 31 22:43:25.749 INFO kablam!    |   ^^^^
Oct 31 22:43:25.749 INFO kablam!    |
Oct 31 22:43:25.749 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 22:43:25.749 INFO kablam! 
Oct 31 22:43:25.749 INFO kablam! warning: enum is never used: `Result`
Oct 31 22:43:25.749 INFO kablam!   --> src/main.rs:53:1
Oct 31 22:43:25.749 INFO kablam!    |
Oct 31 22:43:25.749 INFO kablam! 53 | enum Result<T, E> {
Oct 31 22:43:25.749 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Oct 31 22:43:25.749 INFO kablam! 
Oct 31 22:43:25.892 INFO kablam! warning: unused variable: `x`
Oct 31 22:43:25.892 INFO kablam!   --> src/main.rs:60:7
Oct 31 22:43:25.892 INFO kablam!    |
Oct 31 22:43:25.892 INFO kablam! 60 |   let x: Option<i32> = Option::Some(5);
Oct 31 22:43:25.892 INFO kablam!    |       ^ help: consider using `_x` instead
Oct 31 22:43:25.892 INFO kablam!    |
Oct 31 22:43:25.892 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 31 22:43:25.892 INFO kablam! 
Oct 31 22:43:25.892 INFO kablam! warning: unused variable: `q`
Oct 31 22:43:25.892 INFO kablam!   --> src/main.rs:62:7
Oct 31 22:43:25.892 INFO kablam!    |
Oct 31 22:43:25.892 INFO kablam! 62 |   let q: Option<f64> = Option::Some(5f64);
Oct 31 22:43:25.892 INFO kablam!    |       ^ help: consider using `_q` instead
Oct 31 22:43:25.892 INFO kablam! 
Oct 31 22:43:25.892 INFO kablam! warning: unused variable: `b`
Oct 31 22:43:25.892 INFO kablam!   --> src/main.rs:71:7
Oct 31 22:43:25.892 INFO kablam!    |
Oct 31 22:43:25.892 INFO kablam! 71 |   let b = 10;
Oct 31 22:43:25.892 INFO kablam!    |       ^ help: consider using `_b` instead
Oct 31 22:43:25.892 INFO kablam! 
Oct 31 22:43:25.898 INFO kablam! warning: variant is never constructed: `None`
Oct 31 22:43:25.898 INFO kablam!   --> src/main.rs:49:3
Oct 31 22:43:25.898 INFO kablam!    |
Oct 31 22:43:25.898 INFO kablam! 49 |   None
Oct 31 22:43:25.898 INFO kablam!    |   ^^^^
Oct 31 22:43:25.898 INFO kablam!    |
Oct 31 22:43:25.898 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 31 22:43:25.898 INFO kablam! 
Oct 31 22:43:25.898 INFO kablam! warning: enum is never used: `Result`
Oct 31 22:43:25.898 INFO kablam!   --> src/main.rs:53:1
Oct 31 22:43:25.898 INFO kablam!    |
Oct 31 22:43:25.898 INFO kablam! 53 | enum Result<T, E> {
Oct 31 22:43:25.898 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Oct 31 22:43:25.898 INFO kablam! 
Oct 31 22:43:25.914 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
Oct 31 22:43:25.917 INFO kablam! su: No module specific data is present
Oct 31 22:43:26.792 INFO running `"docker" "rm" "-f" "d5099a881923450afd26396f68a8e356e6422a03fd46bc61621c632a6910b58b"`
Oct 31 22:43:27.053 INFO blam! d5099a881923450afd26396f68a8e356e6422a03fd46bc61621c632a6910b58b