Nov 02 08:11:16.873 INFO checking ravendyg/rust-playground against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 08:11:16.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-6/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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"`
Nov 02 08:11:17.204 INFO blam! 81d85769b405b93436abcef44458526db4982eb4eba0f9eafdfa56290f959c32
Nov 02 08:11:17.208 INFO running `"docker" "start" "-a" "81d85769b405b93436abcef44458526db4982eb4eba0f9eafdfa56290f959c32"`
Nov 02 08:11:17.880 INFO kablam! usermod: no changes
Nov 02 08:11:17.914 INFO kablam!     Checking guessing v0.1.0 (/source)
Nov 02 08:11:18.160 INFO kablam! warning: unused variable: `x`
Nov 02 08:11:18.160 INFO kablam!   --> src/main.rs:60:7
Nov 02 08:11:18.160 INFO kablam!    |
Nov 02 08:11:18.160 INFO kablam! 60 |   let x: Option<i32> = Option::Some(5);
Nov 02 08:11:18.160 INFO kablam!    |       ^ help: consider using `_x` instead
Nov 02 08:11:18.160 INFO kablam!    |
Nov 02 08:11:18.160 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 08:11:18.160 INFO kablam! 
Nov 02 08:11:18.160 INFO kablam! warning: unused variable: `q`
Nov 02 08:11:18.160 INFO kablam!   --> src/main.rs:62:7
Nov 02 08:11:18.160 INFO kablam!    |
Nov 02 08:11:18.160 INFO kablam! 62 |   let q: Option<f64> = Option::Some(5f64);
Nov 02 08:11:18.160 INFO kablam!    |       ^ help: consider using `_q` instead
Nov 02 08:11:18.160 INFO kablam! 
Nov 02 08:11:18.160 INFO kablam! warning: unused variable: `b`
Nov 02 08:11:18.160 INFO kablam!   --> src/main.rs:71:7
Nov 02 08:11:18.160 INFO kablam!    |
Nov 02 08:11:18.160 INFO kablam! 71 |   let b = 10;
Nov 02 08:11:18.160 INFO kablam!    |       ^ help: consider using `_b` instead
Nov 02 08:11:18.160 INFO kablam! 
Nov 02 08:11:18.160 INFO kablam! warning: variant is never constructed: `None`
Nov 02 08:11:18.160 INFO kablam!   --> src/main.rs:49:3
Nov 02 08:11:18.161 INFO kablam!    |
Nov 02 08:11:18.161 INFO kablam! 49 |   None
Nov 02 08:11:18.161 INFO kablam!    |   ^^^^
Nov 02 08:11:18.161 INFO kablam!    |
Nov 02 08:11:18.161 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 08:11:18.161 INFO kablam! 
Nov 02 08:11:18.161 INFO kablam! warning: enum is never used: `Result`
Nov 02 08:11:18.161 INFO kablam!   --> src/main.rs:53:1
Nov 02 08:11:18.161 INFO kablam!    |
Nov 02 08:11:18.161 INFO kablam! 53 | enum Result<T, E> {
Nov 02 08:11:18.161 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Nov 02 08:11:18.161 INFO kablam! 
Nov 02 08:11:18.216 INFO kablam! warning: unused variable: `x`
Nov 02 08:11:18.217 INFO kablam!   --> src/main.rs:60:7
Nov 02 08:11:18.217 INFO kablam!    |
Nov 02 08:11:18.217 INFO kablam! 60 |   let x: Option<i32> = Option::Some(5);
Nov 02 08:11:18.217 INFO kablam!    |       ^ help: consider using `_x` instead
Nov 02 08:11:18.217 INFO kablam!    |
Nov 02 08:11:18.217 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 02 08:11:18.217 INFO kablam! 
Nov 02 08:11:18.217 INFO kablam! warning: unused variable: `q`
Nov 02 08:11:18.217 INFO kablam!   --> src/main.rs:62:7
Nov 02 08:11:18.217 INFO kablam!    |
Nov 02 08:11:18.217 INFO kablam! 62 |   let q: Option<f64> = Option::Some(5f64);
Nov 02 08:11:18.217 INFO kablam!    |       ^ help: consider using `_q` instead
Nov 02 08:11:18.217 INFO kablam! 
Nov 02 08:11:18.217 INFO kablam! warning: unused variable: `b`
Nov 02 08:11:18.217 INFO kablam!   --> src/main.rs:71:7
Nov 02 08:11:18.217 INFO kablam!    |
Nov 02 08:11:18.217 INFO kablam! 71 |   let b = 10;
Nov 02 08:11:18.217 INFO kablam!    |       ^ help: consider using `_b` instead
Nov 02 08:11:18.217 INFO kablam! 
Nov 02 08:11:18.228 INFO kablam! warning: variant is never constructed: `None`
Nov 02 08:11:18.228 INFO kablam!   --> src/main.rs:49:3
Nov 02 08:11:18.229 INFO kablam!    |
Nov 02 08:11:18.229 INFO kablam! 49 |   None
Nov 02 08:11:18.229 INFO kablam!    |   ^^^^
Nov 02 08:11:18.229 INFO kablam!    |
Nov 02 08:11:18.229 INFO kablam!    = note: #[warn(dead_code)] on by default
Nov 02 08:11:18.229 INFO kablam! 
Nov 02 08:11:18.229 INFO kablam! warning: enum is never used: `Result`
Nov 02 08:11:18.229 INFO kablam!   --> src/main.rs:53:1
Nov 02 08:11:18.229 INFO kablam!    |
Nov 02 08:11:18.229 INFO kablam! 53 | enum Result<T, E> {
Nov 02 08:11:18.229 INFO kablam!    | ^^^^^^^^^^^^^^^^^
Nov 02 08:11:18.229 INFO kablam! 
Nov 02 08:11:18.249 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Nov 02 08:11:18.260 INFO kablam! su: No module specific data is present
Nov 02 08:11:18.938 INFO running `"docker" "rm" "-f" "81d85769b405b93436abcef44458526db4982eb4eba0f9eafdfa56290f959c32"`
Nov 02 08:11:19.288 INFO blam! 81d85769b405b93436abcef44458526db4982eb4eba0f9eafdfa56290f959c32