Dec 06 10:22:21.009 INFO testing Ragnyll/rust_variables against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 06 10:22:21.009 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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 06 10:22:21.538 INFO [stdout] 7a90ce3f61a2da15ca798c97c7026600e92fa093add2483e0abef84c07c00a09
Dec 06 10:22:21.540 INFO running `"docker" "start" "-a" "7a90ce3f61a2da15ca798c97c7026600e92fa093add2483e0abef84c07c00a09"`
Dec 06 10:22:23.268 INFO [stderr] usermod: no changes
Dec 06 10:22:23.324 INFO [stderr]    Compiling variables v0.1.0 (/source)
Dec 06 10:22:23.916 INFO [stderr] warning: unused variable: `difference`
Dec 06 10:22:23.916 INFO [stderr]   --> src/main.rs:41:9
Dec 06 10:22:23.916 INFO [stderr]    |
Dec 06 10:22:23.916 INFO [stderr] 41 |     let difference = 95.5 - 4.3;
Dec 06 10:22:23.916 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_difference` instead
Dec 06 10:22:23.916 INFO [stderr]    |
Dec 06 10:22:23.916 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 10:22:23.916 INFO [stderr] 
Dec 06 10:22:23.916 INFO [stderr] warning: unused variable: `product`
Dec 06 10:22:23.916 INFO [stderr]   --> src/main.rs:44:9
Dec 06 10:22:23.916 INFO [stderr]    |
Dec 06 10:22:23.916 INFO [stderr] 44 |     let product = 4 * 30;
Dec 06 10:22:23.917 INFO [stderr]    |         ^^^^^^^ help: consider using `_product` instead
Dec 06 10:22:23.917 INFO [stderr] 
Dec 06 10:22:23.917 INFO [stderr] warning: unused variable: `quotient`
Dec 06 10:22:23.917 INFO [stderr]   --> src/main.rs:47:9
Dec 06 10:22:23.917 INFO [stderr]    |
Dec 06 10:22:23.917 INFO [stderr] 47 |     let quotient = 56.7 / 32.2;
Dec 06 10:22:23.917 INFO [stderr]    |         ^^^^^^^^ help: consider using `_quotient` instead
Dec 06 10:22:23.917 INFO [stderr] 
Dec 06 10:22:23.917 INFO [stderr] warning: unused variable: `remainder`
Dec 06 10:22:23.917 INFO [stderr]   --> src/main.rs:50:9
Dec 06 10:22:23.917 INFO [stderr]    |
Dec 06 10:22:23.917 INFO [stderr] 50 |     let remainder = 43 % 5;
Dec 06 10:22:23.917 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_remainder` instead
Dec 06 10:22:23.917 INFO [stderr] 
Dec 06 10:22:23.917 INFO [stderr] warning: unused variable: `t`
Dec 06 10:22:23.917 INFO [stderr]   --> src/main.rs:53:9
Dec 06 10:22:23.917 INFO [stderr]    |
Dec 06 10:22:23.917 INFO [stderr] 53 |     let t = true; // without explicit type annotation
Dec 06 10:22:23.917 INFO [stderr]    |         ^ help: consider using `_t` instead
Dec 06 10:22:23.917 INFO [stderr] 
Dec 06 10:22:23.917 INFO [stderr] warning: unused variable: `f`
Dec 06 10:22:23.917 INFO [stderr]   --> src/main.rs:55:9
Dec 06 10:22:23.917 INFO [stderr]    |
Dec 06 10:22:23.917 INFO [stderr] 55 |     let f: bool = false; // with explicit type annotation
Dec 06 10:22:23.917 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 06 10:22:23.917 INFO [stderr] 
Dec 06 10:22:23.917 INFO [stderr] warning: unused variable: `x`
Dec 06 10:22:23.917 INFO [stderr]   --> src/main.rs:59:10
Dec 06 10:22:23.917 INFO [stderr]    |
Dec 06 10:22:23.917 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 06 10:22:23.917 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 06 10:22:23.917 INFO [stderr] 
Dec 06 10:22:23.917 INFO [stderr] warning: unused variable: `z`
Dec 06 10:22:23.917 INFO [stderr]   --> src/main.rs:59:16
Dec 06 10:22:23.917 INFO [stderr]    |
Dec 06 10:22:23.917 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 06 10:22:23.917 INFO [stderr]    |                ^ help: consider using `_z` instead
Dec 06 10:22:23.917 INFO [stderr] 
Dec 06 10:22:23.917 INFO [stderr] warning: unused variable: `first`
Dec 06 10:22:23.917 INFO [stderr]   --> src/main.rs:67:9
Dec 06 10:22:23.917 INFO [stderr]    |
Dec 06 10:22:23.917 INFO [stderr] 67 |     let first = months[0];
Dec 06 10:22:23.917 INFO [stderr]    |         ^^^^^ help: consider using `_first` instead
Dec 06 10:22:23.917 INFO [stderr] 
Dec 06 10:22:24.248 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
Dec 06 10:22:24.264 INFO [stderr] su: No module specific data is present
Dec 06 10:22:25.089 INFO running `"docker" "inspect" "7a90ce3f61a2da15ca798c97c7026600e92fa093add2483e0abef84c07c00a09"`
Dec 06 10:22:25.400 INFO running `"docker" "rm" "-f" "7a90ce3f61a2da15ca798c97c7026600e92fa093add2483e0abef84c07c00a09"`
Dec 06 10:22:25.756 INFO [stdout] 7a90ce3f61a2da15ca798c97c7026600e92fa093add2483e0abef84c07c00a09
Dec 06 10:22:25.762 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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 06 10:22:26.225 INFO [stdout] 5531508021e5985750ea2a20e3edf92fa66b20379d9d809c873ef7887929816c
Dec 06 10:22:26.234 INFO running `"docker" "start" "-a" "5531508021e5985750ea2a20e3edf92fa66b20379d9d809c873ef7887929816c"`
Dec 06 10:22:27.572 INFO [stderr] usermod: no changes
Dec 06 10:22:27.604 INFO [stderr]    Compiling variables v0.1.0 (/source)
Dec 06 10:22:28.212 INFO [stderr] warning: unused variable: `difference`
Dec 06 10:22:28.212 INFO [stderr]   --> src/main.rs:41:9
Dec 06 10:22:28.212 INFO [stderr]    |
Dec 06 10:22:28.212 INFO [stderr] 41 |     let difference = 95.5 - 4.3;
Dec 06 10:22:28.212 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_difference` instead
Dec 06 10:22:28.212 INFO [stderr]    |
Dec 06 10:22:28.212 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 06 10:22:28.212 INFO [stderr] 
Dec 06 10:22:28.212 INFO [stderr] warning: unused variable: `product`
Dec 06 10:22:28.212 INFO [stderr]   --> src/main.rs:44:9
Dec 06 10:22:28.212 INFO [stderr]    |
Dec 06 10:22:28.212 INFO [stderr] 44 |     let product = 4 * 30;
Dec 06 10:22:28.212 INFO [stderr]    |         ^^^^^^^ help: consider using `_product` instead
Dec 06 10:22:28.213 INFO [stderr] 
Dec 06 10:22:28.213 INFO [stderr] warning: unused variable: `quotient`
Dec 06 10:22:28.213 INFO [stderr]   --> src/main.rs:47:9
Dec 06 10:22:28.213 INFO [stderr]    |
Dec 06 10:22:28.213 INFO [stderr] 47 |     let quotient = 56.7 / 32.2;
Dec 06 10:22:28.213 INFO [stderr]    |         ^^^^^^^^ help: consider using `_quotient` instead
Dec 06 10:22:28.213 INFO [stderr] 
Dec 06 10:22:28.213 INFO [stderr] warning: unused variable: `remainder`
Dec 06 10:22:28.213 INFO [stderr]   --> src/main.rs:50:9
Dec 06 10:22:28.213 INFO [stderr]    |
Dec 06 10:22:28.213 INFO [stderr] 50 |     let remainder = 43 % 5;
Dec 06 10:22:28.213 INFO [stderr]    |         ^^^^^^^^^ help: consider using `_remainder` instead
Dec 06 10:22:28.213 INFO [stderr] 
Dec 06 10:22:28.213 INFO [stderr] warning: unused variable: `t`
Dec 06 10:22:28.213 INFO [stderr]   --> src/main.rs:53:9
Dec 06 10:22:28.213 INFO [stderr]    |
Dec 06 10:22:28.213 INFO [stderr] 53 |     let t = true; // without explicit type annotation
Dec 06 10:22:28.213 INFO [stderr]    |         ^ help: consider using `_t` instead
Dec 06 10:22:28.213 INFO [stderr] 
Dec 06 10:22:28.213 INFO [stderr] warning: unused variable: `f`
Dec 06 10:22:28.213 INFO [stderr]   --> src/main.rs:55:9
Dec 06 10:22:28.213 INFO [stderr]    |
Dec 06 10:22:28.213 INFO [stderr] 55 |     let f: bool = false; // with explicit type annotation
Dec 06 10:22:28.213 INFO [stderr]    |         ^ help: consider using `_f` instead
Dec 06 10:22:28.213 INFO [stderr] 
Dec 06 10:22:28.213 INFO [stderr] warning: unused variable: `x`
Dec 06 10:22:28.213 INFO [stderr]   --> src/main.rs:59:10
Dec 06 10:22:28.213 INFO [stderr]    |
Dec 06 10:22:28.213 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 06 10:22:28.213 INFO [stderr]    |          ^ help: consider using `_x` instead
Dec 06 10:22:28.213 INFO [stderr] 
Dec 06 10:22:28.213 INFO [stderr] warning: unused variable: `z`
Dec 06 10:22:28.213 INFO [stderr]   --> src/main.rs:59:16
Dec 06 10:22:28.213 INFO [stderr]    |
Dec 06 10:22:28.213 INFO [stderr] 59 |     let (x, y, z) = tup;
Dec 06 10:22:28.213 INFO [stderr]    |                ^ help: consider using `_z` instead
Dec 06 10:22:28.213 INFO [stderr] 
Dec 06 10:22:28.213 INFO [stderr] warning: unused variable: `first`
Dec 06 10:22:28.213 INFO [stderr]   --> src/main.rs:67:9
Dec 06 10:22:28.213 INFO [stderr]    |
Dec 06 10:22:28.213 INFO [stderr] 67 |     let first = months[0];
Dec 06 10:22:28.213 INFO [stderr]    |         ^^^^^ help: consider using `_first` instead
Dec 06 10:22:28.213 INFO [stderr] 
Dec 06 10:22:28.676 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 06 10:22:28.676 INFO [stderr] su: No module specific data is present
Dec 06 10:22:29.434 INFO running `"docker" "inspect" "5531508021e5985750ea2a20e3edf92fa66b20379d9d809c873ef7887929816c"`
Dec 06 10:22:29.714 INFO running `"docker" "rm" "-f" "5531508021e5985750ea2a20e3edf92fa66b20379d9d809c873ef7887929816c"`
Dec 06 10:22:30.024 INFO [stdout] 5531508021e5985750ea2a20e3edf92fa66b20379d9d809c873ef7887929816c
Dec 06 10:22:30.026 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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 06 10:22:30.653 INFO [stdout] bf408431254e44d70ecd7067592e6e368acf05796e6337a234636ca5c6f8762b
Dec 06 10:22:30.658 INFO running `"docker" "start" "-a" "bf408431254e44d70ecd7067592e6e368acf05796e6337a234636ca5c6f8762b"`
Dec 06 10:22:31.816 INFO [stderr] usermod: no changes
Dec 06 10:22:31.868 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 06 10:22:31.880 INFO [stderr]      Running /target/debug/deps/variables-8a42d4309a792379
Dec 06 10:22:31.888 INFO [stdout] 
Dec 06 10:22:31.888 INFO [stdout] running 0 tests
Dec 06 10:22:31.888 INFO [stdout] 
Dec 06 10:22:31.888 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 06 10:22:31.888 INFO [stdout] 
Dec 06 10:22:31.890 INFO [stderr] su: No module specific data is present
Dec 06 10:22:32.538 INFO running `"docker" "inspect" "bf408431254e44d70ecd7067592e6e368acf05796e6337a234636ca5c6f8762b"`
Dec 06 10:22:32.878 INFO running `"docker" "rm" "-f" "bf408431254e44d70ecd7067592e6e368acf05796e6337a234636ca5c6f8762b"`
Dec 06 10:22:33.152 INFO [stdout] bf408431254e44d70ecd7067592e6e368acf05796e6337a234636ca5c6f8762b