Dec 18 05:45:26.024 INFO checking Ragnyll/rust_variables against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 05:45:26.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/Ragnyll/rust_variables:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 05:45:26.639 INFO [stdout] 8cd9f48e0560cf9b542061b32adfa13478eaac3f9022c34a65b9bf42f94f2a50
Dec 18 05:45:26.642 INFO running `"docker" "start" "-a" "8cd9f48e0560cf9b542061b32adfa13478eaac3f9022c34a65b9bf42f94f2a50"`
Dec 18 05:45:28.525 INFO [stderr]     Checking variables v0.1.0 (/opt/crater/workdir)
Dec 18 05:45:28.935 INFO [stderr] warning: unused variable: `difference`
Dec 18 05:45:28.935 INFO [stderr]   --> src/main.rs:41:9
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr] 41 |     let difference = 95.5 - 4.3;
Dec 18 05:45:28.935 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_difference` instead
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:45:28.935 INFO [stderr] 
Dec 18 05:45:28.935 INFO [stderr] warning: unused variable: `product`
Dec 18 05:45:28.935 INFO [stderr]   --> src/main.rs:44:9
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr] 44 |     let product = 4 * 30;
Dec 18 05:45:28.935 INFO [stderr]    |         ^^^^^^^ help: consider using `_product` instead
Dec 18 05:45:28.935 INFO [stderr] 
Dec 18 05:45:28.935 INFO [stderr] warning: unused variable: `quotient`
Dec 18 05:45:28.935 INFO [stderr]   --> src/main.rs:47:9
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr] 47 |     let quotient = 56.7 / 32.2;
Dec 18 05:45:28.935 INFO [stderr]    |         ^^^^^^^^ help: consider using `_quotient` instead
Dec 18 05:45:28.935 INFO [stderr] 
Dec 18 05:45:28.935 INFO [stderr] warning: unused variable: `remainder`
Dec 18 05:45:28.935 INFO [stderr]   --> src/main.rs:50:9
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr] 50 |     let remainder = 43 % 5;
Dec 18 05:45:28.935 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_remainder` instead
Dec 18 05:45:28.935 INFO [stderr] 
Dec 18 05:45:28.935 INFO [stderr] warning: unused variable: `t`
Dec 18 05:45:28.935 INFO [stderr]   --> src/main.rs:53:9
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr] 53 |     let t = true; // without explicit type annotation
Dec 18 05:45:28.935 INFO [stderr]    |         ^ help: consider using `_t` instead
Dec 18 05:45:28.935 INFO [stderr] 
Dec 18 05:45:28.935 INFO [stderr] warning: unused variable: `f`
Dec 18 05:45:28.935 INFO [stderr]   --> src/main.rs:55:9
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr] 55 |     let f: bool = false; // with explicit type annotation
Dec 18 05:45:28.935 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 18 05:45:28.935 INFO [stderr] 
Dec 18 05:45:28.935 INFO [stderr] warning: unused variable: `x`
Dec 18 05:45:28.935 INFO [stderr]   --> src/main.rs:59:10
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 18 05:45:28.935 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 18 05:45:28.935 INFO [stderr] 
Dec 18 05:45:28.935 INFO [stderr] warning: unused variable: `z`
Dec 18 05:45:28.935 INFO [stderr]   --> src/main.rs:59:16
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 18 05:45:28.935 INFO [stderr]    |                ^ help: consider using `_z` instead
Dec 18 05:45:28.935 INFO [stderr] 
Dec 18 05:45:28.935 INFO [stderr] warning: unused variable: `first`
Dec 18 05:45:28.935 INFO [stderr]   --> src/main.rs:67:9
Dec 18 05:45:28.935 INFO [stderr]    |
Dec 18 05:45:28.935 INFO [stderr] 67 |     let first = months[0];
Dec 18 05:45:28.935 INFO [stderr]    |         ^^^^^ help: consider using `_first` instead
Dec 18 05:45:28.935 INFO [stderr] 
Dec 18 05:45:29.073 INFO [stderr] warning: unused variable: `difference`
Dec 18 05:45:29.073 INFO [stderr]   --> src/main.rs:41:9
Dec 18 05:45:29.073 INFO [stderr]    |
Dec 18 05:45:29.073 INFO [stderr] 41 |     let difference = 95.5 - 4.3;
Dec 18 05:45:29.073 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_difference` instead
Dec 18 05:45:29.073 INFO [stderr]    |
Dec 18 05:45:29.073 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 05:45:29.073 INFO [stderr] 
Dec 18 05:45:29.073 INFO [stderr] warning: unused variable: `product`
Dec 18 05:45:29.073 INFO [stderr]   --> src/main.rs:44:9
Dec 18 05:45:29.073 INFO [stderr]    |
Dec 18 05:45:29.073 INFO [stderr] 44 |     let product = 4 * 30;
Dec 18 05:45:29.073 INFO [stderr]    |         ^^^^^^^ help: consider using `_product` instead
Dec 18 05:45:29.073 INFO [stderr] 
Dec 18 05:45:29.073 INFO [stderr] warning: unused variable: `quotient`
Dec 18 05:45:29.073 INFO [stderr]   --> src/main.rs:47:9
Dec 18 05:45:29.073 INFO [stderr]    |
Dec 18 05:45:29.073 INFO [stderr] 47 |     let quotient = 56.7 / 32.2;
Dec 18 05:45:29.073 INFO [stderr]    |         ^^^^^^^^ help: consider using `_quotient` instead
Dec 18 05:45:29.073 INFO [stderr] 
Dec 18 05:45:29.073 INFO [stderr] warning: unused variable: `remainder`
Dec 18 05:45:29.073 INFO [stderr]   --> src/main.rs:50:9
Dec 18 05:45:29.073 INFO [stderr]    |
Dec 18 05:45:29.073 INFO [stderr] 50 |     let remainder = 43 % 5;
Dec 18 05:45:29.073 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_remainder` instead
Dec 18 05:45:29.073 INFO [stderr] 
Dec 18 05:45:29.073 INFO [stderr] warning: unused variable: `t`
Dec 18 05:45:29.073 INFO [stderr]   --> src/main.rs:53:9
Dec 18 05:45:29.073 INFO [stderr]    |
Dec 18 05:45:29.073 INFO [stderr] 53 |     let t = true; // without explicit type annotation
Dec 18 05:45:29.073 INFO [stderr]    |         ^ help: consider using `_t` instead
Dec 18 05:45:29.073 INFO [stderr] 
Dec 18 05:45:29.073 INFO [stderr] warning: unused variable: `f`
Dec 18 05:45:29.073 INFO [stderr]   --> src/main.rs:55:9
Dec 18 05:45:29.073 INFO [stderr]    |
Dec 18 05:45:29.073 INFO [stderr] 55 |     let f: bool = false; // with explicit type annotation
Dec 18 05:45:29.073 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 18 05:45:29.074 INFO [stderr] 
Dec 18 05:45:29.074 INFO [stderr] warning: unused variable: `x`
Dec 18 05:45:29.074 INFO [stderr]   --> src/main.rs:59:10
Dec 18 05:45:29.074 INFO [stderr]    |
Dec 18 05:45:29.074 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 18 05:45:29.074 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 18 05:45:29.074 INFO [stderr] 
Dec 18 05:45:29.074 INFO [stderr] warning: unused variable: `z`
Dec 18 05:45:29.074 INFO [stderr]   --> src/main.rs:59:16
Dec 18 05:45:29.074 INFO [stderr]    |
Dec 18 05:45:29.074 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 18 05:45:29.074 INFO [stderr]    |                ^ help: consider using `_z` instead
Dec 18 05:45:29.074 INFO [stderr] 
Dec 18 05:45:29.074 INFO [stderr] warning: unused variable: `first`
Dec 18 05:45:29.074 INFO [stderr]   --> src/main.rs:67:9
Dec 18 05:45:29.074 INFO [stderr]    |
Dec 18 05:45:29.074 INFO [stderr] 67 |     let first = months[0];
Dec 18 05:45:29.074 INFO [stderr]    |         ^^^^^ help: consider using `_first` instead
Dec 18 05:45:29.074 INFO [stderr] 
Dec 18 05:45:29.163 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 18 05:45:29.735 INFO running `"docker" "inspect" "8cd9f48e0560cf9b542061b32adfa13478eaac3f9022c34a65b9bf42f94f2a50"`
Dec 18 05:45:30.072 INFO running `"docker" "rm" "-f" "8cd9f48e0560cf9b542061b32adfa13478eaac3f9022c34a65b9bf42f94f2a50"`
Dec 18 05:45:30.290 INFO [stdout] 8cd9f48e0560cf9b542061b32adfa13478eaac3f9022c34a65b9bf42f94f2a50