Nov 30 07:44:12.613 INFO checking aarthiKarthik/Rust-Basics against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 07:44:12.613 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 30 07:44:13.044 INFO [stdout] e1d23dce25ad3e22c0da9265ae885fa8dfc4456bcec3c7b6f43a2657cb751666
Nov 30 07:44:13.048 INFO running `"docker" "start" "-a" "e1d23dce25ad3e22c0da9265ae885fa8dfc4456bcec3c7b6f43a2657cb751666"`
Nov 30 07:44:14.304 INFO [stderr] usermod: no changes
Nov 30 07:44:14.360 INFO [stderr]     Checking hello_world v0.0.1 (/source)
Nov 30 07:44:14.484 INFO [stderr] warning: unknown lint: `unused_variable`
Nov 30 07:44:14.484 INFO [stderr]  --> src/main.rs:2:10
Nov 30 07:44:14.484 INFO [stderr]   |
Nov 30 07:44:14.484 INFO [stderr] 2 | #![allow(unused_variable)]
Nov 30 07:44:14.484 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Nov 30 07:44:14.484 INFO [stderr]   |
Nov 30 07:44:14.484 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Nov 30 07:44:14.484 INFO [stderr] 
Nov 30 07:44:14.494 INFO [stderr] warning: unknown lint: `unused_variable`
Nov 30 07:44:14.494 INFO [stderr]  --> src/main.rs:2:10
Nov 30 07:44:14.494 INFO [stderr]   |
Nov 30 07:44:14.494 INFO [stderr] 2 | #![allow(unused_variable)]
Nov 30 07:44:14.494 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Nov 30 07:44:14.494 INFO [stderr]   |
Nov 30 07:44:14.494 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Nov 30 07:44:14.494 INFO [stderr] 
Nov 30 07:44:14.980 INFO [stderr] warning: unused variable: `a`
Nov 30 07:44:14.980 INFO [stderr]   --> src/main.rs:88:6
Nov 30 07:44:14.980 INFO [stderr]    |
Nov 30 07:44:14.980 INFO [stderr] 88 |     let a = 123;
Nov 30 07:44:14.980 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 30 07:44:14.980 INFO [stderr]    |
Nov 30 07:44:14.984 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 07:44:14.984 INFO [stderr] 
Nov 30 07:44:15.154 INFO [stderr] warning: unused variable: `a`
Nov 30 07:44:15.154 INFO [stderr]   --> src/main.rs:88:6
Nov 30 07:44:15.154 INFO [stderr]    |
Nov 30 07:44:15.154 INFO [stderr] 88 |     let a = 123;
Nov 30 07:44:15.154 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 30 07:44:15.154 INFO [stderr]    |
Nov 30 07:44:15.154 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 07:44:15.154 INFO [stderr] 
Nov 30 07:44:15.175 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Nov 30 07:44:15.178 INFO [stderr] su: No module specific data is present
Nov 30 07:44:15.452 INFO running `"docker" "inspect" "e1d23dce25ad3e22c0da9265ae885fa8dfc4456bcec3c7b6f43a2657cb751666"`
Nov 30 07:44:15.521 INFO running `"docker" "rm" "-f" "e1d23dce25ad3e22c0da9265ae885fa8dfc4456bcec3c7b6f43a2657cb751666"`
Nov 30 07:44:15.612 INFO [stdout] e1d23dce25ad3e22c0da9265ae885fa8dfc4456bcec3c7b6f43a2657cb751666