Dec 11 23:22:00.730 INFO checking aarthiKarthik/Rust-Basics against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 23:22:00.730 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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"`
Dec 11 23:22:00.976 INFO [stdout] 5555e06b62a83971e1486e60615fec825c58c3f571b2cd44eaf18d226285deee
Dec 11 23:22:00.976 INFO running `"docker" "start" "-a" "5555e06b62a83971e1486e60615fec825c58c3f571b2cd44eaf18d226285deee"`
Dec 11 23:22:01.884 INFO [stderr] usermod: no changes
Dec 11 23:22:01.928 INFO [stderr]     Checking hello_world v0.0.1 (/source)
Dec 11 23:22:02.076 INFO [stderr] warning: unknown lint: `unused_variable`
Dec 11 23:22:02.076 INFO [stderr]  --> src/main.rs:2:10
Dec 11 23:22:02.076 INFO [stderr]   |
Dec 11 23:22:02.076 INFO [stderr] 2 | #![allow(unused_variable)]
Dec 11 23:22:02.076 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Dec 11 23:22:02.076 INFO [stderr]   |
Dec 11 23:22:02.076 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 11 23:22:02.076 INFO [stderr] 
Dec 11 23:22:02.088 INFO [stderr] warning: unknown lint: `unused_variable`
Dec 11 23:22:02.088 INFO [stderr]  --> src/main.rs:2:10
Dec 11 23:22:02.088 INFO [stderr]   |
Dec 11 23:22:02.088 INFO [stderr] 2 | #![allow(unused_variable)]
Dec 11 23:22:02.088 INFO [stderr]   |          ^^^^^^^^^^^^^^^
Dec 11 23:22:02.088 INFO [stderr]   |
Dec 11 23:22:02.088 INFO [stderr]   = note: #[warn(unknown_lints)] on by default
Dec 11 23:22:02.088 INFO [stderr] 
Dec 11 23:22:02.540 INFO [stderr] warning: unused variable: `a`
Dec 11 23:22:02.540 INFO [stderr]   --> src/main.rs:88:6
Dec 11 23:22:02.540 INFO [stderr]    |
Dec 11 23:22:02.540 INFO [stderr] 88 |     let a = 123;
Dec 11 23:22:02.540 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 11 23:22:02.540 INFO [stderr]    |
Dec 11 23:22:02.540 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:22:02.540 INFO [stderr] 
Dec 11 23:22:02.784 INFO [stderr] warning: unused variable: `a`
Dec 11 23:22:02.784 INFO [stderr]   --> src/main.rs:88:6
Dec 11 23:22:02.784 INFO [stderr]    |
Dec 11 23:22:02.784 INFO [stderr] 88 |     let a = 123;
Dec 11 23:22:02.784 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 11 23:22:02.784 INFO [stderr]    |
Dec 11 23:22:02.784 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 23:22:02.784 INFO [stderr] 
Dec 11 23:22:02.815 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
Dec 11 23:22:02.818 INFO [stderr] su: No module specific data is present
Dec 11 23:22:03.953 INFO running `"docker" "inspect" "5555e06b62a83971e1486e60615fec825c58c3f571b2cd44eaf18d226285deee"`
Dec 11 23:22:04.348 INFO running `"docker" "rm" "-f" "5555e06b62a83971e1486e60615fec825c58c3f571b2cd44eaf18d226285deee"`
Dec 11 23:22:04.708 INFO [stdout] 5555e06b62a83971e1486e60615fec825c58c3f571b2cd44eaf18d226285deee