Nov 04 10:58:32.567 INFO checking aarthiKarthik/Rust-Basics against master#2ad8c7b3502616aff142a4640cce911c6c2c5463 for pr-55655
Nov 04 10:58:32.568 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55655/worker-0/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55655/master#2ad8c7b3502616aff142a4640cce911c6c2c5463:/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 +2ad8c7b3502616aff142a4640cce911c6c2c5463-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 04 10:58:33.049 INFO blam! b3652e640c214bfb1dbe89a07f5a741062be078b490afe11e5fb22186fdeb85f
Nov 04 10:58:33.049 INFO running `"docker" "start" "-a" "b3652e640c214bfb1dbe89a07f5a741062be078b490afe11e5fb22186fdeb85f"`
Nov 04 10:58:34.803 INFO kablam! usermod: no changes
Nov 04 10:58:34.891 INFO kablam!     Checking hello_world v0.0.1 (/source)
Nov 04 10:58:35.015 INFO kablam! warning: unknown lint: `unused_variable`
Nov 04 10:58:35.015 INFO kablam!  --> src/main.rs:2:10
Nov 04 10:58:35.015 INFO kablam!   |
Nov 04 10:58:35.015 INFO kablam! 2 | #![allow(unused_variable)]
Nov 04 10:58:35.015 INFO kablam!   |          ^^^^^^^^^^^^^^^
Nov 04 10:58:35.015 INFO kablam!   |
Nov 04 10:58:35.015 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 04 10:58:35.015 INFO kablam! 
Nov 04 10:58:35.017 INFO kablam! warning: unknown lint: `unused_variable`
Nov 04 10:58:35.017 INFO kablam!  --> src/main.rs:2:10
Nov 04 10:58:35.017 INFO kablam!   |
Nov 04 10:58:35.017 INFO kablam! 2 | #![allow(unused_variable)]
Nov 04 10:58:35.017 INFO kablam!   |          ^^^^^^^^^^^^^^^
Nov 04 10:58:35.017 INFO kablam!   |
Nov 04 10:58:35.017 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 04 10:58:35.017 INFO kablam! 
Nov 04 10:58:35.431 INFO kablam! warning: unused variable: `a`
Nov 04 10:58:35.431 INFO kablam!   --> src/main.rs:88:6
Nov 04 10:58:35.431 INFO kablam!    |
Nov 04 10:58:35.431 INFO kablam! 88 |     let a = 123;
Nov 04 10:58:35.431 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 04 10:58:35.431 INFO kablam!    |
Nov 04 10:58:35.431 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 10:58:35.431 INFO kablam! 
Nov 04 10:58:35.467 INFO kablam! warning: unused variable: `a`
Nov 04 10:58:35.467 INFO kablam!   --> src/main.rs:88:6
Nov 04 10:58:35.467 INFO kablam!    |
Nov 04 10:58:35.467 INFO kablam! 88 |     let a = 123;
Nov 04 10:58:35.467 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 04 10:58:35.467 INFO kablam!    |
Nov 04 10:58:35.467 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 04 10:58:35.467 INFO kablam! 
Nov 04 10:58:35.493 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Nov 04 10:58:35.496 INFO kablam! su: No module specific data is present
Nov 04 10:58:35.815 INFO running `"docker" "rm" "-f" "b3652e640c214bfb1dbe89a07f5a741062be078b490afe11e5fb22186fdeb85f"`
Nov 04 10:58:35.930 INFO blam! b3652e640c214bfb1dbe89a07f5a741062be078b490afe11e5fb22186fdeb85f