Nov 01 09:17:47.947 INFO checking aarthiKarthik/Rust-Basics against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 09:17:47.948 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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"`
Nov 01 09:17:48.120 INFO blam! 5e778e4778e93cd21365187d9e5161c7b71cdc26424672f2b38e2e11f8e5ba71
Nov 01 09:17:48.121 INFO running `"docker" "start" "-a" "5e778e4778e93cd21365187d9e5161c7b71cdc26424672f2b38e2e11f8e5ba71"`
Nov 01 09:17:48.478 INFO kablam! usermod: no changes
Nov 01 09:17:48.507 INFO kablam!     Checking hello_world v0.0.1 (/source)
Nov 01 09:17:48.568 INFO kablam! warning: unknown lint: `unused_variable`
Nov 01 09:17:48.568 INFO kablam!  --> src/main.rs:2:10
Nov 01 09:17:48.568 INFO kablam!   |
Nov 01 09:17:48.568 INFO kablam! 2 | #![allow(unused_variable)]
Nov 01 09:17:48.568 INFO kablam!   |          ^^^^^^^^^^^^^^^
Nov 01 09:17:48.568 INFO kablam!   |
Nov 01 09:17:48.568 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 01 09:17:48.568 INFO kablam! 
Nov 01 09:17:48.592 INFO kablam! warning: unknown lint: `unused_variable`
Nov 01 09:17:48.593 INFO kablam!  --> src/main.rs:2:10
Nov 01 09:17:48.593 INFO kablam!   |
Nov 01 09:17:48.593 INFO kablam! 2 | #![allow(unused_variable)]
Nov 01 09:17:48.593 INFO kablam!   |          ^^^^^^^^^^^^^^^
Nov 01 09:17:48.593 INFO kablam!   |
Nov 01 09:17:48.593 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Nov 01 09:17:48.594 INFO kablam! 
Nov 01 09:17:49.020 INFO kablam! warning: unused variable: `a`
Nov 01 09:17:49.020 INFO kablam!   --> src/main.rs:88:6
Nov 01 09:17:49.020 INFO kablam!    |
Nov 01 09:17:49.020 INFO kablam! 88 |     let a = 123;
Nov 01 09:17:49.020 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 01 09:17:49.020 INFO kablam!    |
Nov 01 09:17:49.020 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 09:17:49.020 INFO kablam! 
Nov 01 09:17:49.099 INFO kablam! warning: unused variable: `a`
Nov 01 09:17:49.101 INFO kablam!   --> src/main.rs:88:6
Nov 01 09:17:49.101 INFO kablam!    |
Nov 01 09:17:49.101 INFO kablam! 88 |     let a = 123;
Nov 01 09:17:49.101 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 01 09:17:49.101 INFO kablam!    |
Nov 01 09:17:49.101 INFO kablam!    = note: #[warn(unused_variables)] on by default
Nov 01 09:17:49.101 INFO kablam! 
Nov 01 09:17:49.136 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
Nov 01 09:17:49.139 INFO kablam! su: No module specific data is present
Nov 01 09:17:49.426 INFO running `"docker" "rm" "-f" "5e778e4778e93cd21365187d9e5161c7b71cdc26424672f2b38e2e11f8e5ba71"`
Nov 01 09:17:49.735 INFO blam! 5e778e4778e93cd21365187d9e5161c7b71cdc26424672f2b38e2e11f8e5ba71