Oct 21 14:33:46.259 INFO checking ravendyg/rust-playground against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192
Oct 21 14:33:46.260 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192/worker-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-2/pr-55192/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 21 14:33:46.790 INFO blam! b6d931d4e2078cfe9b48037c7ca208881ef29d0033d7f370d7bdf0fa283f1bdf
Oct 21 14:33:46.797 INFO running `"docker" "start" "-a" "b6d931d4e2078cfe9b48037c7ca208881ef29d0033d7f370d7bdf0fa283f1bdf"`
Oct 21 14:33:47.803 INFO kablam! usermod: no changes
Oct 21 14:33:47.876 INFO kablam!     Checking guessing v0.1.0 (/source)
Oct 21 14:33:48.164 INFO kablam! warning: unused variable: `x`
Oct 21 14:33:48.164 INFO kablam!   --> src/main.rs:60:7
Oct 21 14:33:48.165 INFO kablam!    |
Oct 21 14:33:48.165 INFO kablam! 60 |   let x: Option<i32> = Option::Some(5);
Oct 21 14:33:48.165 INFO kablam!    |       ^ help: consider using `_x` instead
Oct 21 14:33:48.165 INFO kablam!    |
Oct 21 14:33:48.166 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 14:33:48.166 INFO kablam! 
Oct 21 14:33:48.166 INFO kablam! warning: unused variable: `q`
Oct 21 14:33:48.167 INFO kablam!   --> src/main.rs:62:7
Oct 21 14:33:48.167 INFO kablam!    |
Oct 21 14:33:48.167 INFO kablam! 62 |   let q: Option<f64> = Option::Some(5f64);
Oct 21 14:33:48.168 INFO kablam!    |       ^ help: consider using `_q` instead
Oct 21 14:33:48.168 INFO kablam! 
Oct 21 14:33:48.168 INFO kablam! warning: unused variable: `b`
Oct 21 14:33:48.169 INFO kablam!   --> src/main.rs:71:7
Oct 21 14:33:48.169 INFO kablam!    |
Oct 21 14:33:48.169 INFO kablam! 71 |   let b = 10;
Oct 21 14:33:48.170 INFO kablam!    |       ^ help: consider using `_b` instead
Oct 21 14:33:48.170 INFO kablam! 
Oct 21 14:33:48.170 INFO kablam! warning: variant is never constructed: `None`
Oct 21 14:33:48.170 INFO kablam!   --> src/main.rs:49:3
Oct 21 14:33:48.170 INFO kablam!    |
Oct 21 14:33:48.170 INFO kablam! 49 |   None
Oct 21 14:33:48.170 INFO kablam!    |   ^^^^
Oct 21 14:33:48.170 INFO kablam!    |
Oct 21 14:33:48.170 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 14:33:48.170 INFO kablam! 
Oct 21 14:33:48.170 INFO kablam! warning: enum is never used: `Result`
Oct 21 14:33:48.170 INFO kablam!   --> src/main.rs:53:1
Oct 21 14:33:48.170 INFO kablam!    |
Oct 21 14:33:48.170 INFO kablam! 53 | enum Result<T, E> {
Oct 21 14:33:48.170 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Oct 21 14:33:48.170 INFO kablam! 
Oct 21 14:33:48.196 INFO kablam! warning: unused variable: `x`
Oct 21 14:33:48.196 INFO kablam!   --> src/main.rs:60:7
Oct 21 14:33:48.196 INFO kablam!    |
Oct 21 14:33:48.196 INFO kablam! 60 |   let x: Option<i32> = Option::Some(5);
Oct 21 14:33:48.196 INFO kablam!    |       ^ help: consider using `_x` instead
Oct 21 14:33:48.196 INFO kablam!    |
Oct 21 14:33:48.196 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 21 14:33:48.196 INFO kablam! 
Oct 21 14:33:48.196 INFO kablam! warning: unused variable: `q`
Oct 21 14:33:48.196 INFO kablam!   --> src/main.rs:62:7
Oct 21 14:33:48.196 INFO kablam!    |
Oct 21 14:33:48.196 INFO kablam! 62 |   let q: Option<f64> = Option::Some(5f64);
Oct 21 14:33:48.196 INFO kablam!    |       ^ help: consider using `_q` instead
Oct 21 14:33:48.196 INFO kablam! 
Oct 21 14:33:48.196 INFO kablam! warning: unused variable: `b`
Oct 21 14:33:48.196 INFO kablam!   --> src/main.rs:71:7
Oct 21 14:33:48.197 INFO kablam!    |
Oct 21 14:33:48.197 INFO kablam! 71 |   let b = 10;
Oct 21 14:33:48.197 INFO kablam!    |       ^ help: consider using `_b` instead
Oct 21 14:33:48.197 INFO kablam! 
Oct 21 14:33:48.206 INFO kablam! warning: variant is never constructed: `None`
Oct 21 14:33:48.206 INFO kablam!   --> src/main.rs:49:3
Oct 21 14:33:48.206 INFO kablam!    |
Oct 21 14:33:48.206 INFO kablam! 49 |   None
Oct 21 14:33:48.206 INFO kablam!    |   ^^^^
Oct 21 14:33:48.206 INFO kablam!    |
Oct 21 14:33:48.206 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 21 14:33:48.206 INFO kablam! 
Oct 21 14:33:48.206 INFO kablam! warning: enum is never used: `Result`
Oct 21 14:33:48.206 INFO kablam!   --> src/main.rs:53:1
Oct 21 14:33:48.206 INFO kablam!    |
Oct 21 14:33:48.206 INFO kablam! 53 | enum Result<T, E> {
Oct 21 14:33:48.206 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Oct 21 14:33:48.206 INFO kablam! 
Oct 21 14:33:48.225 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Oct 21 14:33:48.225 INFO kablam! su: No module specific data is present
Oct 21 14:33:48.934 INFO running `"docker" "rm" "-f" "b6d931d4e2078cfe9b48037c7ca208881ef29d0033d7f370d7bdf0fa283f1bdf"`
Oct 21 14:33:49.192 INFO blam! b6d931d4e2078cfe9b48037c7ca208881ef29d0033d7f370d7bdf0fa283f1bdf