Oct 12 19:28:44.407 INFO checking jssandh2/rust-systems against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:28:44.407 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-0/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 19:28:44.828 INFO blam! ffb1efcca3388db99c956478fcc117ae4eaa206a8ffff19300f280922a99c2b7
Oct 12 19:28:44.834 INFO running `"docker" "start" "-a" "ffb1efcca3388db99c956478fcc117ae4eaa206a8ffff19300f280922a99c2b7"`
Oct 12 19:28:45.439 INFO kablam! usermod: no changes
Oct 12 19:28:45.468 INFO kablam!     Checking rust-systems v0.0.1 (/source)
Oct 12 19:28:46.252 INFO kablam! warning: unnecessary parentheses around assigned value
Oct 12 19:28:46.252 INFO kablam!   --> src/test/functions.rs:20:13
Oct 12 19:28:46.252 INFO kablam!    |
Oct 12 19:28:46.252 INFO kablam! 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Oct 12 19:28:46.252 INFO kablam!    |             ^^^^^^^ help: remove these parentheses
Oct 12 19:28:46.260 INFO kablam!    |
Oct 12 19:28:46.260 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 19:28:46.260 INFO kablam! 
Oct 12 19:28:46.286 INFO kablam! warning: unreachable statement
Oct 12 19:28:46.286 INFO kablam!   --> src/test/functions.rs:23:5
Oct 12 19:28:46.286 INFO kablam!    |
Oct 12 19:28:46.287 INFO kablam! 23 |     let x: String = diverges();
Oct 12 19:28:46.287 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:28:46.287 INFO kablam!    |
Oct 12 19:28:46.287 INFO kablam!    = note: #[warn(unreachable_code)] on by default
Oct 12 19:28:46.287 INFO kablam! 
Oct 12 19:28:46.296 INFO kablam! warning: variable `y` is assigned to, but never used
Oct 12 19:28:46.296 INFO kablam!   --> src/test/functions.rs:19:13
Oct 12 19:28:46.296 INFO kablam!    |
Oct 12 19:28:46.296 INFO kablam! 19 |     let mut y = 5;
Oct 12 19:28:46.296 INFO kablam!    |             ^
Oct 12 19:28:46.296 INFO kablam!    |
Oct 12 19:28:46.296 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 19:28:46.296 INFO kablam!    = note: consider using `_y` instead
Oct 12 19:28:46.296 INFO kablam! 
Oct 12 19:28:46.296 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.296 INFO kablam!   --> src/test/functions.rs:20:9
Oct 12 19:28:46.296 INFO kablam!    |
Oct 12 19:28:46.296 INFO kablam! 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Oct 12 19:28:46.296 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:46.296 INFO kablam! 
Oct 12 19:28:46.296 INFO kablam! warning: value assigned to `y` is never read
Oct 12 19:28:46.296 INFO kablam!   --> src/test/functions.rs:20:14
Oct 12 19:28:46.297 INFO kablam!    |
Oct 12 19:28:46.297 INFO kablam! 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Oct 12 19:28:46.297 INFO kablam!    |              ^
Oct 12 19:28:46.297 INFO kablam!    |
Oct 12 19:28:46.297 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 19:28:46.297 INFO kablam! 
Oct 12 19:28:46.297 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.297 INFO kablam!   --> src/test/functions.rs:22:9
Oct 12 19:28:46.297 INFO kablam!    |
Oct 12 19:28:46.297 INFO kablam! 22 |     let x: i32 = diverges();
Oct 12 19:28:46.297 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:46.297 INFO kablam! 
Oct 12 19:28:46.297 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.297 INFO kablam!   --> src/test/functions.rs:23:9
Oct 12 19:28:46.297 INFO kablam!    |
Oct 12 19:28:46.297 INFO kablam! 23 |     let x: String = diverges();
Oct 12 19:28:46.297 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:46.297 INFO kablam! 
Oct 12 19:28:46.297 INFO kablam! warning: unused variable: `f`
Oct 12 19:28:46.297 INFO kablam!   --> src/test/functions.rs:28:9
Oct 12 19:28:46.297 INFO kablam!    |
Oct 12 19:28:46.297 INFO kablam! 28 |     let f: fn(i32) -> i32;
Oct 12 19:28:46.297 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 12 19:28:46.297 INFO kablam! 
Oct 12 19:28:46.297 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:46.297 INFO kablam!   --> src/test/functions.rs:31:9
Oct 12 19:28:46.297 INFO kablam!    |
Oct 12 19:28:46.297 INFO kablam! 31 |     let y = f(5, 6);
Oct 12 19:28:46.297 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:46.297 INFO kablam! 
Oct 12 19:28:46.297 INFO kablam! warning: unused variable: `z`
Oct 12 19:28:46.297 INFO kablam!   --> src/test/functions.rs:34:9
Oct 12 19:28:46.297 INFO kablam!    |
Oct 12 19:28:46.297 INFO kablam! 34 |     let z = sum_number(5, 6);
Oct 12 19:28:46.297 INFO kablam!    |         ^ help: consider using `_z` instead
Oct 12 19:28:46.297 INFO kablam! 
Oct 12 19:28:46.300 INFO kablam! warning: function is never used: `sum_number_three`
Oct 12 19:28:46.300 INFO kablam!  --> src/test/functions.rs:9:1
Oct 12 19:28:46.300 INFO kablam!   |
Oct 12 19:28:46.300 INFO kablam! 9 | fn sum_number_three(x: i32, y: i32, z:i32) -> i32 {
Oct 12 19:28:46.300 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:28:46.300 INFO kablam!   |
Oct 12 19:28:46.300 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:28:46.300 INFO kablam! 
Oct 12 19:28:46.340 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:46.340 INFO kablam!   --> src/test/conditionals_and_loops.rs:14:9
Oct 12 19:28:46.340 INFO kablam!    |
Oct 12 19:28:46.340 INFO kablam! 14 |     let y = if x == 5 { 10 } else { 15 }; // y : i32
Oct 12 19:28:46.340 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:46.340 INFO kablam!    |
Oct 12 19:28:46.340 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 19:28:46.340 INFO kablam! 
Oct 12 19:28:46.368 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:46.368 INFO kablam!  --> src/test/data_types.rs:3:9
Oct 12 19:28:46.368 INFO kablam!   |
Oct 12 19:28:46.368 INFO kablam! 3 |    let (y, z) = (1, 2); // Binding that uses _patterns_
Oct 12 19:28:46.368 INFO kablam!   |         ^ help: consider using `_y` instead
Oct 12 19:28:46.368 INFO kablam!   |
Oct 12 19:28:46.368 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:28:46.368 INFO kablam! 
Oct 12 19:28:46.369 INFO kablam! warning: unused variable: `z`
Oct 12 19:28:46.369 INFO kablam!  --> src/test/data_types.rs:3:12
Oct 12 19:28:46.369 INFO kablam!   |
Oct 12 19:28:46.369 INFO kablam! 3 |    let (y, z) = (1, 2); // Binding that uses _patterns_
Oct 12 19:28:46.369 INFO kablam!   |            ^ help: consider using `_z` instead
Oct 12 19:28:46.369 INFO kablam! 
Oct 12 19:28:46.369 INFO kablam! warning: unused variable: `k`
Oct 12 19:28:46.369 INFO kablam!  --> src/test/data_types.rs:4:8
Oct 12 19:28:46.369 INFO kablam!   |
Oct 12 19:28:46.369 INFO kablam! 4 |    let k: i32 = 5; // Binding to _bind_ k to 5, with a static "int 32" type
Oct 12 19:28:46.369 INFO kablam!   |        ^ help: consider using `_k` instead
Oct 12 19:28:46.369 INFO kablam! 
Oct 12 19:28:46.369 INFO kablam! warning: value assigned to `xp` is never read
Oct 12 19:28:46.369 INFO kablam!   --> src/test/data_types.rs:11:12
Oct 12 19:28:46.369 INFO kablam!    |
Oct 12 19:28:46.369 INFO kablam! 11 |    let mut xp = 5;
Oct 12 19:28:46.369 INFO kablam!    |            ^^
Oct 12 19:28:46.369 INFO kablam!    |
Oct 12 19:28:46.369 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 19:28:46.369 INFO kablam! 
Oct 12 19:28:46.369 INFO kablam! warning: value assigned to `a` is never read
Oct 12 19:28:46.369 INFO kablam!   --> src/test/data_types.rs:32:12
Oct 12 19:28:46.369 INFO kablam!    |
Oct 12 19:28:46.369 INFO kablam! 32 |    let mut a: i32 = 8;
Oct 12 19:28:46.369 INFO kablam!    |            ^
Oct 12 19:28:46.369 INFO kablam! 
Oct 12 19:28:46.369 INFO kablam! warning: unused variable: `a`
Oct 12 19:28:46.369 INFO kablam!   --> src/test/data_types.rs:34:8
Oct 12 19:28:46.369 INFO kablam!    |
Oct 12 19:28:46.369 INFO kablam! 34 |    let a = a; // a is now _immutable_ and *locked* to 10 (util shadowed). 
Oct 12 19:28:46.369 INFO kablam!    |        ^ help: consider using `_a` instead
Oct 12 19:28:46.369 INFO kablam! 
Oct 12 19:28:46.369 INFO kablam! warning: unused variable: `e`
Oct 12 19:28:46.369 INFO kablam!   --> src/test/data_types.rs:37:8
Oct 12 19:28:46.369 INFO kablam!    |
Oct 12 19:28:46.369 INFO kablam! 37 |    let e = 5;
Oct 12 19:28:46.369 INFO kablam!    |        ^ help: consider using `_e` instead
Oct 12 19:28:46.369 INFO kablam! 
Oct 12 19:28:46.369 INFO kablam! warning: unused variable: `e`
Oct 12 19:28:46.369 INFO kablam!   --> src/test/data_types.rs:38:8
Oct 12 19:28:46.369 INFO kablam!    |
Oct 12 19:28:46.369 INFO kablam! 38 |    let e = "I am now a string!"; // e has changed types from i32 --> string
Oct 12 19:28:46.369 INFO kablam!    |        ^ help: consider using `_e` instead
Oct 12 19:28:46.369 INFO kablam! 
Oct 12 19:28:46.400 INFO kablam! warning: unnecessary parentheses around assigned value
Oct 12 19:28:46.400 INFO kablam!   --> src/test/primitive_types.rs:47:13
Oct 12 19:28:46.400 INFO kablam!    |
Oct 12 19:28:46.400 INFO kablam! 47 |     let b = (0);  // Normal zero
Oct 12 19:28:46.400 INFO kablam!    |             ^^^ help: remove these parentheses
Oct 12 19:28:46.400 INFO kablam!    |
Oct 12 19:28:46.400 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 19:28:46.400 INFO kablam! 
Oct 12 19:28:46.450 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.450 INFO kablam!  --> src/test/primitive_types.rs:3:9
Oct 12 19:28:46.450 INFO kablam!   |
Oct 12 19:28:46.450 INFO kablam! 3 |     let x = true;
Oct 12 19:28:46.450 INFO kablam!   |         ^ help: consider using `_x` instead
Oct 12 19:28:46.451 INFO kablam!   |
Oct 12 19:28:46.451 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:46.451 INFO kablam!  --> src/test/primitive_types.rs:4:9
Oct 12 19:28:46.451 INFO kablam!   |
Oct 12 19:28:46.451 INFO kablam! 4 |     let y: bool = false;
Oct 12 19:28:46.451 INFO kablam!   |         ^ help: consider using `_y` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.451 INFO kablam!  --> src/test/primitive_types.rs:7:9
Oct 12 19:28:46.451 INFO kablam!   |
Oct 12 19:28:46.451 INFO kablam! 7 |     let x = 'x';
Oct 12 19:28:46.451 INFO kablam!   |         ^ help: consider using `_x` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:10:9
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 10 |     let x = 42; // `x` has type `i32`
Oct 12 19:28:46.451 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:11:9
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 11 |     let y = 1.0; // `y` has type `f64`
Oct 12 19:28:46.451 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `a`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:19:9
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 19 |     let a = [1, 2, 3]; // a : [i32; 3]
Oct 12 19:28:46.451 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `m`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:20:13
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 20 |     let mut m = [1, 2, 3]; // m : [i32; 3]
Oct 12 19:28:46.451 INFO kablam!    |             ^ help: consider using `_m` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `names`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:25:9
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 25 |     let names = ["Juspreet", "Cook", "Levin"]; // names : [&str; 3]
Oct 12 19:28:46.451 INFO kablam!    |         ^^^^^ help: consider using `_names` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `b_duplicate`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:30:9
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 30 |     let b_duplicate = &b[..];  // A slice containing everything in `a`
Oct 12 19:28:46.451 INFO kablam!    |         ^^^^^^^^^^^ help: consider using `_b_duplicate` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `middle`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:31:9
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 31 |     let middle = &b[1..4];     // A slice of `a` : [1, 2, 3]
Oct 12 19:28:46.451 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:35:9
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 35 |     let x = (1, "hello");
Oct 12 19:28:46.451 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:36:9
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 36 |     let y: (i32, &str) = (1, "hello");
Oct 12 19:28:46.451 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: variable `x` is assigned to, but never used
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:38:13
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 38 |     let mut x = (1, 2);
Oct 12 19:28:46.451 INFO kablam!    |             ^
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam!    = note: consider using `_x` instead
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: value assigned to `x` is never read
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:40:5
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 40 |     x = y;   // A tuple is assigned to another (mutable) tuple, and type-check => The same Product-Type
Oct 12 19:28:46.451 INFO kablam!    |     ^
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 19:28:46.451 INFO kablam! 
Oct 12 19:28:46.451 INFO kablam! warning: unused variable: `a`
Oct 12 19:28:46.451 INFO kablam!   --> src/test/primitive_types.rs:46:9
Oct 12 19:28:46.451 INFO kablam!    |
Oct 12 19:28:46.451 INFO kablam! 46 |     let a = (0,); // Tuple of arity 1
Oct 12 19:28:46.451 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 12 19:28:46.452 INFO kablam! 
Oct 12 19:28:46.452 INFO kablam! warning: unused variable: `b`
Oct 12 19:28:46.452 INFO kablam!   --> src/test/primitive_types.rs:47:9
Oct 12 19:28:46.452 INFO kablam!    |
Oct 12 19:28:46.452 INFO kablam! 47 |     let b = (0);  // Normal zero
Oct 12 19:28:46.452 INFO kablam!    |         ^ help: consider using `_b` instead
Oct 12 19:28:46.452 INFO kablam! 
Oct 12 19:28:46.452 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.452 INFO kablam!   --> src/test/primitive_types.rs:52:9
Oct 12 19:28:46.452 INFO kablam!    |
Oct 12 19:28:46.452 INFO kablam! 52 |     let x = tuple.0;
Oct 12 19:28:46.452 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:46.452 INFO kablam! 
Oct 12 19:28:46.452 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:46.452 INFO kablam!   --> src/test/primitive_types.rs:53:9
Oct 12 19:28:46.452 INFO kablam!    |
Oct 12 19:28:46.452 INFO kablam! 53 |     let y = tuple.1;
Oct 12 19:28:46.452 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:46.452 INFO kablam! 
Oct 12 19:28:46.452 INFO kablam! warning: unused variable: `z`
Oct 12 19:28:46.452 INFO kablam!   --> src/test/primitive_types.rs:54:9
Oct 12 19:28:46.452 INFO kablam!    |
Oct 12 19:28:46.452 INFO kablam! 54 |     let z = tuple.2;
Oct 12 19:28:46.452 INFO kablam!    |         ^ help: consider using `_z` instead
Oct 12 19:28:46.452 INFO kablam! 
Oct 12 19:28:46.452 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:28:46.452 INFO kablam!   --> src/test/primitive_types.rs:20:9
Oct 12 19:28:46.452 INFO kablam!    |
Oct 12 19:28:46.452 INFO kablam! 20 |     let mut m = [1, 2, 3]; // m : [i32; 3]
Oct 12 19:28:46.452 INFO kablam!    |         ----^
Oct 12 19:28:46.452 INFO kablam!    |         |
Oct 12 19:28:46.471 INFO kablam!    |         help: remove this `mut`
Oct 12 19:28:46.472 INFO kablam!    |
Oct 12 19:28:46.472 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 19:28:46.472 INFO kablam! 
Oct 12 19:28:46.558 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.558 INFO kablam!  --> src/test/vectors.rs:9:9
Oct 12 19:28:46.558 INFO kablam!   |
Oct 12 19:28:46.558 INFO kablam! 9 |     let x = Box::new(5);   // This is closer to the Type-Theoretic defn of `List<T>` := Nil | Cons(T, Box(List<T>))
Oct 12 19:28:46.558 INFO kablam!   |         ^ help: consider using `_x` instead
Oct 12 19:28:46.558 INFO kablam!   |
Oct 12 19:28:46.558 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:28:46.558 INFO kablam! 
Oct 12 19:28:46.660 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:46.660 INFO kablam!  --> src/test/data_types.rs:3:9
Oct 12 19:28:46.660 INFO kablam!   |
Oct 12 19:28:46.660 INFO kablam! 3 |    let (y, z) = (1, 2); // Binding that uses _patterns_
Oct 12 19:28:46.660 INFO kablam!   |         ^ help: consider using `_y` instead
Oct 12 19:28:46.660 INFO kablam!   |
Oct 12 19:28:46.660 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:28:46.660 INFO kablam! 
Oct 12 19:28:46.660 INFO kablam! warning: unused variable: `z`
Oct 12 19:28:46.660 INFO kablam!  --> src/test/data_types.rs:3:12
Oct 12 19:28:46.660 INFO kablam!   |
Oct 12 19:28:46.660 INFO kablam! 3 |    let (y, z) = (1, 2); // Binding that uses _patterns_
Oct 12 19:28:46.660 INFO kablam!   |            ^ help: consider using `_z` instead
Oct 12 19:28:46.660 INFO kablam! 
Oct 12 19:28:46.660 INFO kablam! warning: unused variable: `k`
Oct 12 19:28:46.660 INFO kablam!  --> src/test/data_types.rs:4:8
Oct 12 19:28:46.660 INFO kablam!   |
Oct 12 19:28:46.660 INFO kablam! 4 |    let k: i32 = 5; // Binding to _bind_ k to 5, with a static "int 32" type
Oct 12 19:28:46.660 INFO kablam!   |        ^ help: consider using `_k` instead
Oct 12 19:28:46.660 INFO kablam! 
Oct 12 19:28:46.660 INFO kablam! warning: value assigned to `xp` is never read
Oct 12 19:28:46.660 INFO kablam!   --> src/test/data_types.rs:11:12
Oct 12 19:28:46.660 INFO kablam!    |
Oct 12 19:28:46.660 INFO kablam! 11 |    let mut xp = 5;
Oct 12 19:28:46.660 INFO kablam!    |            ^^
Oct 12 19:28:46.660 INFO kablam!    |
Oct 12 19:28:46.660 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 19:28:46.660 INFO kablam! 
Oct 12 19:28:46.660 INFO kablam! warning: value assigned to `a` is never read
Oct 12 19:28:46.660 INFO kablam!   --> src/test/data_types.rs:32:12
Oct 12 19:28:46.660 INFO kablam!    |
Oct 12 19:28:46.660 INFO kablam! 32 |    let mut a: i32 = 8;
Oct 12 19:28:46.660 INFO kablam!    |            ^
Oct 12 19:28:46.660 INFO kablam! 
Oct 12 19:28:46.661 INFO kablam! warning: unused variable: `a`
Oct 12 19:28:46.661 INFO kablam!   --> src/test/data_types.rs:34:8
Oct 12 19:28:46.661 INFO kablam!    |
Oct 12 19:28:46.661 INFO kablam! 34 |    let a = a; // a is now _immutable_ and *locked* to 10 (util shadowed). 
Oct 12 19:28:46.661 INFO kablam!    |        ^ help: consider using `_a` instead
Oct 12 19:28:46.661 INFO kablam! 
Oct 12 19:28:46.661 INFO kablam! warning: unused variable: `e`
Oct 12 19:28:46.661 INFO kablam!   --> src/test/data_types.rs:37:8
Oct 12 19:28:46.661 INFO kablam!    |
Oct 12 19:28:46.661 INFO kablam! 37 |    let e = 5;
Oct 12 19:28:46.661 INFO kablam!    |        ^ help: consider using `_e` instead
Oct 12 19:28:46.661 INFO kablam! 
Oct 12 19:28:46.661 INFO kablam! warning: unused variable: `e`
Oct 12 19:28:46.661 INFO kablam!   --> src/test/data_types.rs:38:8
Oct 12 19:28:46.661 INFO kablam!    |
Oct 12 19:28:46.661 INFO kablam! 38 |    let e = "I am now a string!"; // e has changed types from i32 --> string
Oct 12 19:28:46.661 INFO kablam!    |        ^ help: consider using `_e` instead
Oct 12 19:28:46.661 INFO kablam! 
Oct 12 19:28:46.954 INFO kablam! warning: unnecessary parentheses around assigned value
Oct 12 19:28:46.954 INFO kablam!   --> src/test/functions.rs:20:13
Oct 12 19:28:46.954 INFO kablam!    |
Oct 12 19:28:46.954 INFO kablam! 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Oct 12 19:28:46.954 INFO kablam!    |             ^^^^^^^ help: remove these parentheses
Oct 12 19:28:46.954 INFO kablam!    |
Oct 12 19:28:46.954 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 19:28:46.954 INFO kablam! 
Oct 12 19:28:46.968 INFO kablam! warning: unreachable statement
Oct 12 19:28:46.968 INFO kablam!   --> src/test/functions.rs:23:5
Oct 12 19:28:46.968 INFO kablam!    |
Oct 12 19:28:46.968 INFO kablam! 23 |     let x: String = diverges();
Oct 12 19:28:46.968 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:28:46.968 INFO kablam!    |
Oct 12 19:28:46.968 INFO kablam!    = note: #[warn(unreachable_code)] on by default
Oct 12 19:28:46.968 INFO kablam! 
Oct 12 19:28:46.976 INFO kablam! warning: variable `y` is assigned to, but never used
Oct 12 19:28:46.976 INFO kablam!   --> src/test/functions.rs:19:13
Oct 12 19:28:46.976 INFO kablam!    |
Oct 12 19:28:46.976 INFO kablam! 19 |     let mut y = 5;
Oct 12 19:28:46.976 INFO kablam!    |             ^
Oct 12 19:28:46.976 INFO kablam!    |
Oct 12 19:28:46.976 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 19:28:46.976 INFO kablam!    = note: consider using `_y` instead
Oct 12 19:28:46.976 INFO kablam! 
Oct 12 19:28:46.976 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.976 INFO kablam!   --> src/test/functions.rs:20:9
Oct 12 19:28:46.976 INFO kablam!    |
Oct 12 19:28:46.976 INFO kablam! 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Oct 12 19:28:46.976 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:46.976 INFO kablam! 
Oct 12 19:28:46.976 INFO kablam! warning: value assigned to `y` is never read
Oct 12 19:28:46.976 INFO kablam!   --> src/test/functions.rs:20:14
Oct 12 19:28:46.976 INFO kablam!    |
Oct 12 19:28:46.976 INFO kablam! 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Oct 12 19:28:46.976 INFO kablam!    |              ^
Oct 12 19:28:46.976 INFO kablam!    |
Oct 12 19:28:46.976 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 19:28:46.976 INFO kablam! 
Oct 12 19:28:46.976 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.976 INFO kablam!   --> src/test/functions.rs:22:9
Oct 12 19:28:46.976 INFO kablam!    |
Oct 12 19:28:46.976 INFO kablam! 22 |     let x: i32 = diverges();
Oct 12 19:28:46.976 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:46.976 INFO kablam! 
Oct 12 19:28:46.976 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:46.976 INFO kablam!   --> src/test/functions.rs:23:9
Oct 12 19:28:46.976 INFO kablam!    |
Oct 12 19:28:46.976 INFO kablam! 23 |     let x: String = diverges();
Oct 12 19:28:46.976 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:46.976 INFO kablam! 
Oct 12 19:28:46.976 INFO kablam! warning: unused variable: `f`
Oct 12 19:28:46.976 INFO kablam!   --> src/test/functions.rs:28:9
Oct 12 19:28:46.976 INFO kablam!    |
Oct 12 19:28:46.976 INFO kablam! 28 |     let f: fn(i32) -> i32;
Oct 12 19:28:46.976 INFO kablam!    |         ^ help: consider using `_f` instead
Oct 12 19:28:46.976 INFO kablam! 
Oct 12 19:28:46.984 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:46.984 INFO kablam!   --> src/test/functions.rs:31:9
Oct 12 19:28:46.984 INFO kablam!    |
Oct 12 19:28:46.984 INFO kablam! 31 |     let y = f(5, 6);
Oct 12 19:28:46.984 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:46.984 INFO kablam! 
Oct 12 19:28:46.984 INFO kablam! warning: unused variable: `z`
Oct 12 19:28:46.984 INFO kablam!   --> src/test/functions.rs:34:9
Oct 12 19:28:46.984 INFO kablam!    |
Oct 12 19:28:46.984 INFO kablam! 34 |     let z = sum_number(5, 6);
Oct 12 19:28:46.984 INFO kablam!    |         ^ help: consider using `_z` instead
Oct 12 19:28:46.984 INFO kablam! 
Oct 12 19:28:46.984 INFO kablam! warning: function is never used: `sum_number_three`
Oct 12 19:28:46.984 INFO kablam!  --> src/test/functions.rs:9:1
Oct 12 19:28:46.984 INFO kablam!   |
Oct 12 19:28:46.984 INFO kablam! 9 | fn sum_number_three(x: i32, y: i32, z:i32) -> i32 {
Oct 12 19:28:46.984 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:28:46.984 INFO kablam!   |
Oct 12 19:28:46.984 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 19:28:46.984 INFO kablam! 
Oct 12 19:28:47.096 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:47.096 INFO kablam!  --> src/test/vectors.rs:9:9
Oct 12 19:28:47.096 INFO kablam!   |
Oct 12 19:28:47.096 INFO kablam! 9 |     let x = Box::new(5);   // This is closer to the Type-Theoretic defn of `List<T>` := Nil | Cons(T, Box(List<T>))
Oct 12 19:28:47.096 INFO kablam!   |         ^ help: consider using `_x` instead
Oct 12 19:28:47.096 INFO kablam!   |
Oct 12 19:28:47.096 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:28:47.096 INFO kablam! 
Oct 12 19:28:47.124 INFO kablam! warning: unnecessary parentheses around assigned value
Oct 12 19:28:47.124 INFO kablam!   --> src/test/primitive_types.rs:47:13
Oct 12 19:28:47.124 INFO kablam!    |
Oct 12 19:28:47.124 INFO kablam! 47 |     let b = (0);  // Normal zero
Oct 12 19:28:47.124 INFO kablam!    |             ^^^ help: remove these parentheses
Oct 12 19:28:47.124 INFO kablam!    |
Oct 12 19:28:47.124 INFO kablam!    = note: #[warn(unused_parens)] on by default
Oct 12 19:28:47.124 INFO kablam! 
Oct 12 19:28:47.232 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:47.232 INFO kablam!  --> src/test/primitive_types.rs:3:9
Oct 12 19:28:47.232 INFO kablam!   |
Oct 12 19:28:47.232 INFO kablam! 3 |     let x = true;
Oct 12 19:28:47.232 INFO kablam!   |         ^ help: consider using `_x` instead
Oct 12 19:28:47.232 INFO kablam!   |
Oct 12 19:28:47.232 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 12 19:28:47.232 INFO kablam! 
Oct 12 19:28:47.232 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:47.232 INFO kablam!  --> src/test/primitive_types.rs:4:9
Oct 12 19:28:47.232 INFO kablam!   |
Oct 12 19:28:47.232 INFO kablam! 4 |     let y: bool = false;
Oct 12 19:28:47.232 INFO kablam!   |         ^ help: consider using `_y` instead
Oct 12 19:28:47.232 INFO kablam! 
Oct 12 19:28:47.232 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:47.232 INFO kablam!  --> src/test/primitive_types.rs:7:9
Oct 12 19:28:47.232 INFO kablam!   |
Oct 12 19:28:47.232 INFO kablam! 7 |     let x = 'x';
Oct 12 19:28:47.232 INFO kablam!   |         ^ help: consider using `_x` instead
Oct 12 19:28:47.232 INFO kablam! 
Oct 12 19:28:47.232 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:47.232 INFO kablam!   --> src/test/primitive_types.rs:10:9
Oct 12 19:28:47.232 INFO kablam!    |
Oct 12 19:28:47.232 INFO kablam! 10 |     let x = 42; // `x` has type `i32`
Oct 12 19:28:47.232 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:11:9
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 11 |     let y = 1.0; // `y` has type `f64`
Oct 12 19:28:47.233 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: unused variable: `a`
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:19:9
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 19 |     let a = [1, 2, 3]; // a : [i32; 3]
Oct 12 19:28:47.233 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: unused variable: `m`
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:20:13
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 20 |     let mut m = [1, 2, 3]; // m : [i32; 3]
Oct 12 19:28:47.233 INFO kablam!    |             ^ help: consider using `_m` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: unused variable: `names`
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:25:9
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 25 |     let names = ["Juspreet", "Cook", "Levin"]; // names : [&str; 3]
Oct 12 19:28:47.233 INFO kablam!    |         ^^^^^ help: consider using `_names` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: unused variable: `b_duplicate`
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:30:9
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 30 |     let b_duplicate = &b[..];  // A slice containing everything in `a`
Oct 12 19:28:47.233 INFO kablam!    |         ^^^^^^^^^^^ help: consider using `_b_duplicate` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: unused variable: `middle`
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:31:9
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 31 |     let middle = &b[1..4];     // A slice of `a` : [1, 2, 3]
Oct 12 19:28:47.233 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:35:9
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 35 |     let x = (1, "hello");
Oct 12 19:28:47.233 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:36:9
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 36 |     let y: (i32, &str) = (1, "hello");
Oct 12 19:28:47.233 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: variable `x` is assigned to, but never used
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:38:13
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 38 |     let mut x = (1, 2);
Oct 12 19:28:47.233 INFO kablam!    |             ^
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam!    = note: consider using `_x` instead
Oct 12 19:28:47.233 INFO kablam! 
Oct 12 19:28:47.233 INFO kablam! warning: value assigned to `x` is never read
Oct 12 19:28:47.233 INFO kablam!   --> src/test/primitive_types.rs:40:5
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.233 INFO kablam! 40 |     x = y;   // A tuple is assigned to another (mutable) tuple, and type-check => The same Product-Type
Oct 12 19:28:47.233 INFO kablam!    |     ^
Oct 12 19:28:47.233 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 19:28:47.234 INFO kablam! 
Oct 12 19:28:47.234 INFO kablam! warning: unused variable: `a`
Oct 12 19:28:47.234 INFO kablam!   --> src/test/primitive_types.rs:46:9
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam! 46 |     let a = (0,); // Tuple of arity 1
Oct 12 19:28:47.234 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 12 19:28:47.234 INFO kablam! 
Oct 12 19:28:47.234 INFO kablam! warning: unused variable: `b`
Oct 12 19:28:47.234 INFO kablam!   --> src/test/primitive_types.rs:47:9
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam! 47 |     let b = (0);  // Normal zero
Oct 12 19:28:47.234 INFO kablam!    |         ^ help: consider using `_b` instead
Oct 12 19:28:47.234 INFO kablam! 
Oct 12 19:28:47.234 INFO kablam! warning: unused variable: `x`
Oct 12 19:28:47.234 INFO kablam!   --> src/test/primitive_types.rs:52:9
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam! 52 |     let x = tuple.0;
Oct 12 19:28:47.234 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 19:28:47.234 INFO kablam! 
Oct 12 19:28:47.234 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:47.234 INFO kablam!   --> src/test/primitive_types.rs:53:9
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam! 53 |     let y = tuple.1;
Oct 12 19:28:47.234 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:47.234 INFO kablam! 
Oct 12 19:28:47.234 INFO kablam! warning: unused variable: `z`
Oct 12 19:28:47.234 INFO kablam!   --> src/test/primitive_types.rs:54:9
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam! 54 |     let z = tuple.2;
Oct 12 19:28:47.234 INFO kablam!    |         ^ help: consider using `_z` instead
Oct 12 19:28:47.234 INFO kablam! 
Oct 12 19:28:47.234 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:28:47.234 INFO kablam!   --> src/test/primitive_types.rs:20:9
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam! 20 |     let mut m = [1, 2, 3]; // m : [i32; 3]
Oct 12 19:28:47.234 INFO kablam!    |         ----^
Oct 12 19:28:47.234 INFO kablam!    |         |
Oct 12 19:28:47.234 INFO kablam!    |         help: remove this `mut`
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 19:28:47.234 INFO kablam! 
Oct 12 19:28:47.234 INFO kablam! warning: function is never used: `foo`
Oct 12 19:28:47.234 INFO kablam!   --> src/test/primitive_types.rs:57:5
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam! 57 |     fn foo(x: i32) -> i32 { x } // foo : i32 -> i32
Oct 12 19:28:47.234 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam!    = note: #[warn(dead_code)] on by default
Oct 12 19:28:47.234 INFO kablam! 
Oct 12 19:28:47.234 INFO kablam! warning: function is never used: `two_foo`
Oct 12 19:28:47.234 INFO kablam!   --> src/test/primitive_types.rs:59:5
Oct 12 19:28:47.234 INFO kablam!    |
Oct 12 19:28:47.234 INFO kablam! 59 |     fn two_foo(x: i32, y: i32) -> i32 { x + y } // two_foo : (i32 * i32) -> i32
Oct 12 19:28:47.234 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 19:28:47.234 INFO kablam! 
Oct 12 19:28:47.255 INFO kablam! warning: unused variable: `y`
Oct 12 19:28:47.255 INFO kablam!   --> src/test/conditionals_and_loops.rs:14:9
Oct 12 19:28:47.255 INFO kablam!    |
Oct 12 19:28:47.255 INFO kablam! 14 |     let y = if x == 5 { 10 } else { 15 }; // y : i32
Oct 12 19:28:47.255 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 19:28:47.260 INFO kablam!    |
Oct 12 19:28:47.260 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 19:28:47.260 INFO kablam! 
Oct 12 19:28:47.317 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
Oct 12 19:28:47.317 INFO kablam! su: No module specific data is present
Oct 12 19:28:47.968 INFO running `"docker" "rm" "-f" "ffb1efcca3388db99c956478fcc117ae4eaa206a8ffff19300f280922a99c2b7"`
Oct 12 19:28:48.176 INFO blam! ffb1efcca3388db99c956478fcc117ae4eaa206a8ffff19300f280922a99c2b7