Dec 12 00:40:27.765 INFO checking Ragnyll/rust_variables against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 00:40:27.765 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 12 00:40:28.354 INFO [stdout] 275a9d6b1306f7f35fcbbba212b27913cba9152f5b19edcc42b6cc4089609f30
Dec 12 00:40:28.358 INFO running `"docker" "start" "-a" "275a9d6b1306f7f35fcbbba212b27913cba9152f5b19edcc42b6cc4089609f30"`
Dec 12 00:40:30.267 INFO [stderr] usermod: no changes
Dec 12 00:40:30.356 INFO [stderr]     Checking variables v0.1.0 (/source)
Dec 12 00:40:31.240 INFO [stderr] warning: unused variable: `difference`
Dec 12 00:40:31.241 INFO [stderr]   --> src/main.rs:41:9
Dec 12 00:40:31.241 INFO [stderr]    |
Dec 12 00:40:31.241 INFO [stderr] 41 |     let difference = 95.5 - 4.3;
Dec 12 00:40:31.241 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_difference` instead
Dec 12 00:40:31.242 INFO [stderr]    |
Dec 12 00:40:31.242 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:40:31.242 INFO [stderr] 
Dec 12 00:40:31.242 INFO [stderr] warning: unused variable: `product`
Dec 12 00:40:31.243 INFO [stderr]   --> src/main.rs:44:9
Dec 12 00:40:31.243 INFO [stderr]    |
Dec 12 00:40:31.243 INFO [stderr] 44 |     let product = 4 * 30;
Dec 12 00:40:31.243 INFO [stderr]    |         ^^^^^^^ help: consider using `_product` instead
Dec 12 00:40:31.244 INFO [stderr] 
Dec 12 00:40:31.244 INFO [stderr] warning: unused variable: `quotient`
Dec 12 00:40:31.244 INFO [stderr]   --> src/main.rs:47:9
Dec 12 00:40:31.244 INFO [stderr]    |
Dec 12 00:40:31.245 INFO [stderr] 47 |     let quotient = 56.7 / 32.2;
Dec 12 00:40:31.245 INFO [stderr]    |         ^^^^^^^^ help: consider using `_quotient` instead
Dec 12 00:40:31.245 INFO [stderr] 
Dec 12 00:40:31.246 INFO [stderr] warning: unused variable: `remainder`
Dec 12 00:40:31.246 INFO [stderr]   --> src/main.rs:50:9
Dec 12 00:40:31.246 INFO [stderr]    |
Dec 12 00:40:31.247 INFO [stderr] 50 |     let remainder = 43 % 5;
Dec 12 00:40:31.247 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_remainder` instead
Dec 12 00:40:31.247 INFO [stderr] 
Dec 12 00:40:31.248 INFO [stderr] warning: unused variable: `t`
Dec 12 00:40:31.248 INFO [stderr]   --> src/main.rs:53:9
Dec 12 00:40:31.248 INFO [stderr]    |
Dec 12 00:40:31.249 INFO [stderr] 53 |     let t = true; // without explicit type annotation
Dec 12 00:40:31.249 INFO [stderr]    |         ^ help: consider using `_t` instead
Dec 12 00:40:31.249 INFO [stderr] 
Dec 12 00:40:31.249 INFO [stderr] warning: unused variable: `f`
Dec 12 00:40:31.250 INFO [stderr]   --> src/main.rs:55:9
Dec 12 00:40:31.250 INFO [stderr]    |
Dec 12 00:40:31.250 INFO [stderr] 55 |     let f: bool = false; // with explicit type annotation
Dec 12 00:40:31.251 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 12 00:40:31.251 INFO [stderr] 
Dec 12 00:40:31.251 INFO [stderr] warning: unused variable: `x`
Dec 12 00:40:31.252 INFO [stderr]   --> src/main.rs:59:10
Dec 12 00:40:31.252 INFO [stderr]    |
Dec 12 00:40:31.252 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 12 00:40:31.253 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 12 00:40:31.253 INFO [stderr] 
Dec 12 00:40:31.253 INFO [stderr] warning: unused variable: `z`
Dec 12 00:40:31.254 INFO [stderr]   --> src/main.rs:59:16
Dec 12 00:40:31.254 INFO [stderr]    |
Dec 12 00:40:31.254 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 12 00:40:31.255 INFO [stderr]    |                ^ help: consider using `_z` instead
Dec 12 00:40:31.255 INFO [stderr] 
Dec 12 00:40:31.255 INFO [stderr] warning: unused variable: `first`
Dec 12 00:40:31.256 INFO [stderr]   --> src/main.rs:67:9
Dec 12 00:40:31.256 INFO [stderr]    |
Dec 12 00:40:31.256 INFO [stderr] 67 |     let first = months[0];
Dec 12 00:40:31.257 INFO [stderr]    |         ^^^^^ help: consider using `_first` instead
Dec 12 00:40:31.257 INFO [stderr] 
Dec 12 00:40:31.508 INFO [stderr] warning: unused variable: `difference`
Dec 12 00:40:31.508 INFO [stderr]   --> src/main.rs:41:9
Dec 12 00:40:31.508 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr] 41 |     let difference = 95.5 - 4.3;
Dec 12 00:40:31.509 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_difference` instead
Dec 12 00:40:31.509 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 00:40:31.509 INFO [stderr] 
Dec 12 00:40:31.509 INFO [stderr] warning: unused variable: `product`
Dec 12 00:40:31.509 INFO [stderr]   --> src/main.rs:44:9
Dec 12 00:40:31.509 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr] 44 |     let product = 4 * 30;
Dec 12 00:40:31.509 INFO [stderr]    |         ^^^^^^^ help: consider using `_product` instead
Dec 12 00:40:31.509 INFO [stderr] 
Dec 12 00:40:31.509 INFO [stderr] warning: unused variable: `quotient`
Dec 12 00:40:31.509 INFO [stderr]   --> src/main.rs:47:9
Dec 12 00:40:31.509 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr] 47 |     let quotient = 56.7 / 32.2;
Dec 12 00:40:31.509 INFO [stderr]    |         ^^^^^^^^ help: consider using `_quotient` instead
Dec 12 00:40:31.509 INFO [stderr] 
Dec 12 00:40:31.509 INFO [stderr] warning: unused variable: `remainder`
Dec 12 00:40:31.509 INFO [stderr]   --> src/main.rs:50:9
Dec 12 00:40:31.509 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr] 50 |     let remainder = 43 % 5;
Dec 12 00:40:31.509 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_remainder` instead
Dec 12 00:40:31.509 INFO [stderr] 
Dec 12 00:40:31.509 INFO [stderr] warning: unused variable: `t`
Dec 12 00:40:31.509 INFO [stderr]   --> src/main.rs:53:9
Dec 12 00:40:31.509 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr] 53 |     let t = true; // without explicit type annotation
Dec 12 00:40:31.509 INFO [stderr]    |         ^ help: consider using `_t` instead
Dec 12 00:40:31.509 INFO [stderr] 
Dec 12 00:40:31.509 INFO [stderr] warning: unused variable: `f`
Dec 12 00:40:31.509 INFO [stderr]   --> src/main.rs:55:9
Dec 12 00:40:31.509 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr] 55 |     let f: bool = false; // with explicit type annotation
Dec 12 00:40:31.509 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 12 00:40:31.509 INFO [stderr] 
Dec 12 00:40:31.509 INFO [stderr] warning: unused variable: `x`
Dec 12 00:40:31.509 INFO [stderr]   --> src/main.rs:59:10
Dec 12 00:40:31.509 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 12 00:40:31.509 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 12 00:40:31.509 INFO [stderr] 
Dec 12 00:40:31.509 INFO [stderr] warning: unused variable: `z`
Dec 12 00:40:31.509 INFO [stderr]   --> src/main.rs:59:16
Dec 12 00:40:31.509 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 12 00:40:31.509 INFO [stderr]    |                ^ help: consider using `_z` instead
Dec 12 00:40:31.509 INFO [stderr] 
Dec 12 00:40:31.509 INFO [stderr] warning: unused variable: `first`
Dec 12 00:40:31.509 INFO [stderr]   --> src/main.rs:67:9
Dec 12 00:40:31.509 INFO [stderr]    |
Dec 12 00:40:31.509 INFO [stderr] 67 |     let first = months[0];
Dec 12 00:40:31.509 INFO [stderr]    |         ^^^^^ help: consider using `_first` instead
Dec 12 00:40:31.509 INFO [stderr] 
Dec 12 00:40:31.537 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 12 00:40:31.546 INFO [stderr] su: No module specific data is present
Dec 12 00:40:32.888 INFO running `"docker" "inspect" "275a9d6b1306f7f35fcbbba212b27913cba9152f5b19edcc42b6cc4089609f30"`
Dec 12 00:40:33.190 INFO running `"docker" "rm" "-f" "275a9d6b1306f7f35fcbbba212b27913cba9152f5b19edcc42b6cc4089609f30"`
Dec 12 00:40:33.395 INFO [stdout] 275a9d6b1306f7f35fcbbba212b27913cba9152f5b19edcc42b6cc4089609f30