Nov 28 10:12:19.383 INFO checking aarthiKarthik/Rust-Basics against master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5 for pr-56074
Nov 28 10:12:19.383 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/master#0b9f19dff1347e29bf4362ab5a8fab84b43023b5:/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 +0b9f19dff1347e29bf4362ab5a8fab84b43023b5-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 28 10:12:19.573 INFO [stdout] 679b9921977849f1030d00e7beb79e90fb4e4ded47bbdcebcaaa98c70a6b49d8
Nov 28 10:12:19.574 INFO running `"docker" "start" "-a" "679b9921977849f1030d00e7beb79e90fb4e4ded47bbdcebcaaa98c70a6b49d8"`
Nov 28 10:12:20.152 INFO [stderr] usermod: no changes
Nov 28 10:12:20.186 INFO [stderr]     Checking hello_world v0.0.1 (/source)
Nov 28 10:12:20.276 INFO [stderr] warning: unknown lint: `unused_variable`
Nov 28 10:12:20.277 INFO [stderr]  --> src/main.rs:2:10
Nov 28 10:12:20.277 INFO [stderr]   |
Nov 28 10:12:20.277 INFO [stderr] 2 | #![allow(unused_variable)]
Nov 28 10:12:20.278 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Nov 28 10:12:20.278 INFO [stderr]   |
Nov 28 10:12:20.278 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Nov 28 10:12:20.278 INFO [stderr] 
Nov 28 10:12:20.296 INFO [stderr] warning: unknown lint: `unused_variable`
Nov 28 10:12:20.297 INFO [stderr]  --> src/main.rs:2:10
Nov 28 10:12:20.297 INFO [stderr]   |
Nov 28 10:12:20.297 INFO [stderr] 2 | #![allow(unused_variable)]
Nov 28 10:12:20.298 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Nov 28 10:12:20.298 INFO [stderr]   |
Nov 28 10:12:20.298 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Nov 28 10:12:20.298 INFO [stderr] 
Nov 28 10:12:20.776 INFO [stderr] warning: unused variable: `a`
Nov 28 10:12:20.776 INFO [stderr]   --> src/main.rs:88:6
Nov 28 10:12:20.776 INFO [stderr]    |
Nov 28 10:12:20.776 INFO [stderr] 88 |     let a = 123;
Nov 28 10:12:20.776 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 28 10:12:20.776 INFO [stderr]    |
Nov 28 10:12:20.776 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:12:20.776 INFO [stderr] 
Nov 28 10:12:20.796 INFO [stderr] warning: unused variable: `a`
Nov 28 10:12:20.796 INFO [stderr]   --> src/main.rs:88:6
Nov 28 10:12:20.796 INFO [stderr]    |
Nov 28 10:12:20.796 INFO [stderr] 88 |     let a = 123;
Nov 28 10:12:20.796 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 28 10:12:20.796 INFO [stderr]    |
Nov 28 10:12:20.796 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 10:12:20.796 INFO [stderr] 
Nov 28 10:12:20.835 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
Nov 28 10:12:20.835 INFO [stderr] su: No module specific data is present
Nov 28 10:12:21.321 INFO running `"docker" "inspect" "679b9921977849f1030d00e7beb79e90fb4e4ded47bbdcebcaaa98c70a6b49d8"`
Nov 28 10:12:21.619 INFO running `"docker" "rm" "-f" "679b9921977849f1030d00e7beb79e90fb4e4ded47bbdcebcaaa98c70a6b49d8"`
Nov 28 10:12:21.972 INFO [stdout] 679b9921977849f1030d00e7beb79e90fb4e4ded47bbdcebcaaa98c70a6b49d8