Oct 13 01:49:13.642 INFO checking aarthiKarthik/Rust-Basics against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 01:49:13.643 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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 13 01:49:13.900 INFO blam! 1779d8a16575ae212eadac2466d381fd172be6b2014fe512b37a5a15dbb44934
Oct 13 01:49:13.902 INFO running `"docker" "start" "-a" "1779d8a16575ae212eadac2466d381fd172be6b2014fe512b37a5a15dbb44934"`
Oct 13 01:49:14.410 INFO kablam! usermod: no changes
Oct 13 01:49:14.436 INFO kablam!     Checking hello_world v0.0.1 (/source)
Oct 13 01:49:14.480 INFO kablam! warning: unknown lint: `unused_variable`
Oct 13 01:49:14.480 INFO kablam!  --> src/main.rs:2:10
Oct 13 01:49:14.480 INFO kablam!   |
Oct 13 01:49:14.480 INFO kablam! 2 | #![allow(unused_variable)]
Oct 13 01:49:14.480 INFO kablam!   |          ^^^^^^^^^^^^^^^
Oct 13 01:49:14.480 INFO kablam!   |
Oct 13 01:49:14.480 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 13 01:49:14.480 INFO kablam! 
Oct 13 01:49:14.483 INFO kablam! warning: unknown lint: `unused_variable`
Oct 13 01:49:14.483 INFO kablam!  --> src/main.rs:2:10
Oct 13 01:49:14.484 INFO kablam!   |
Oct 13 01:49:14.484 INFO kablam! 2 | #![allow(unused_variable)]
Oct 13 01:49:14.484 INFO kablam!   |          ^^^^^^^^^^^^^^^
Oct 13 01:49:14.484 INFO kablam!   |
Oct 13 01:49:14.485 INFO kablam!   = note: #[warn(unknown_lints)] on by default
Oct 13 01:49:14.485 INFO kablam! 
Oct 13 01:49:15.140 INFO kablam! warning: unused variable: `a`
Oct 13 01:49:15.140 INFO kablam!   --> src/main.rs:88:6
Oct 13 01:49:15.140 INFO kablam!    |
Oct 13 01:49:15.140 INFO kablam! 88 |     let a = 123;
Oct 13 01:49:15.140 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 13 01:49:15.140 INFO kablam!    |
Oct 13 01:49:15.140 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 01:49:15.140 INFO kablam! 
Oct 13 01:49:15.148 INFO kablam! warning: unused variable: `a`
Oct 13 01:49:15.148 INFO kablam!   --> src/main.rs:88:6
Oct 13 01:49:15.148 INFO kablam!    |
Oct 13 01:49:15.148 INFO kablam! 88 |     let a = 123;
Oct 13 01:49:15.148 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 13 01:49:15.148 INFO kablam!    |
Oct 13 01:49:15.148 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 13 01:49:15.148 INFO kablam! 
Oct 13 01:49:15.281 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Oct 13 01:49:15.284 INFO kablam! su: No module specific data is present
Oct 13 01:49:16.234 INFO running `"docker" "rm" "-f" "1779d8a16575ae212eadac2466d381fd172be6b2014fe512b37a5a15dbb44934"`
Oct 13 01:49:16.512 INFO blam! 1779d8a16575ae212eadac2466d381fd172be6b2014fe512b37a5a15dbb44934