Nov 16 23:11:10.397 INFO testing jssandh2/rust-systems against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 16 23:11:10.399 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 23:11:10.895 INFO [stdout] a771f7bfc4a53b28d77ece605da46a539fc6914b9d6f88ff1cc8ba92b9da5248
Nov 16 23:11:10.907 INFO running `"docker" "start" "-a" "a771f7bfc4a53b28d77ece605da46a539fc6914b9d6f88ff1cc8ba92b9da5248"`
Nov 16 23:11:12.175 INFO [stderr] usermod: no changes
Nov 16 23:11:12.271 INFO [stderr]    Compiling rust-systems v0.0.1 (/source)
Nov 16 23:11:13.371 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:13.371 INFO [stderr]   --> src/test/conditionals_and_loops.rs:14:9
Nov 16 23:11:13.371 INFO [stderr]    |
Nov 16 23:11:13.371 INFO [stderr] 14 |     let y = if x == 5 { 10 } else { 15 }; // y : i32
Nov 16 23:11:13.371 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:13.371 INFO [stderr]    |
Nov 16 23:11:13.371 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 23:11:13.371 INFO [stderr] 
Nov 16 23:11:13.595 INFO [stderr] warning: unnecessary parentheses around assigned value
Nov 16 23:11:13.595 INFO [stderr]   --> src/test/functions.rs:20:13
Nov 16 23:11:13.595 INFO [stderr]    |
Nov 16 23:11:13.595 INFO [stderr] 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Nov 16 23:11:13.595 INFO [stderr]    |             ^^^^^^^ help: remove these parentheses
Nov 16 23:11:13.603 INFO [stderr] warning: unnecessary parentheses around assigned value
Nov 16 23:11:13.604 INFO [stderr]   --> src/test/primitive_types.rs:47:13
Nov 16 23:11:13.604 INFO [stderr]    |
Nov 16 23:11:13.604 INFO [stderr] 47 |     let b = (0);  // Normal zero
Nov 16 23:11:13.605 INFO [stderr]    |             ^^^ help: remove these parentheses
Nov 16 23:11:13.605 INFO [stderr]    |
Nov 16 23:11:13.605 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 16 23:11:13.605 INFO [stderr] 
Nov 16 23:11:13.623 INFO [stderr]    |
Nov 16 23:11:13.624 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 16 23:11:13.624 INFO [stderr] 
Nov 16 23:11:13.635 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:13.636 INFO [stderr]  --> src/test/vectors.rs:9:9
Nov 16 23:11:13.636 INFO [stderr]   |
Nov 16 23:11:13.636 INFO [stderr] 9 |     let x = Box::new(5);   // This is closer to the Type-Theoretic defn of `List<T>` := Nil | Cons(T, Box(List<T>))
Nov 16 23:11:13.637 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 16 23:11:13.637 INFO [stderr]   |
Nov 16 23:11:13.637 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 23:11:13.638 INFO [stderr] 
Nov 16 23:11:13.640 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:13.640 INFO [stderr]  --> src/test/data_types.rs:3:9
Nov 16 23:11:13.641 INFO [stderr]   |
Nov 16 23:11:13.641 INFO [stderr] 3 |    let (y, z) = (1, 2); // Binding that uses _patterns_
Nov 16 23:11:13.641 INFO [stderr]   |         ^ help: consider using `_y` instead
Nov 16 23:11:13.642 INFO [stderr]   |
Nov 16 23:11:13.642 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 23:11:13.642 INFO [stderr] 
Nov 16 23:11:13.643 INFO [stderr] warning: unused variable: `z`
Nov 16 23:11:13.643 INFO [stderr]  --> src/test/data_types.rs:3:12
Nov 16 23:11:13.644 INFO [stderr]   |
Nov 16 23:11:13.644 INFO [stderr] 3 |    let (y, z) = (1, 2); // Binding that uses _patterns_
Nov 16 23:11:13.644 INFO [stderr]   |            ^ help: consider using `_z` instead
Nov 16 23:11:13.644 INFO [stderr] 
Nov 16 23:11:13.645 INFO [stderr] warning: unused variable: `k`
Nov 16 23:11:13.645 INFO [stderr]  --> src/test/data_types.rs:4:8
Nov 16 23:11:13.645 INFO [stderr]   |
Nov 16 23:11:13.645 INFO [stderr] 4 |    let k: i32 = 5; // Binding to _bind_ k to 5, with a static "int 32" type
Nov 16 23:11:13.646 INFO [stderr]   |        ^ help: consider using `_k` instead
Nov 16 23:11:13.646 INFO [stderr] 
Nov 16 23:11:13.647 INFO [stderr] warning: value assigned to `xp` is never read
Nov 16 23:11:13.647 INFO [stderr]   --> src/test/data_types.rs:11:12
Nov 16 23:11:13.647 INFO [stderr]    |
Nov 16 23:11:13.647 INFO [stderr] 11 |    let mut xp = 5;
Nov 16 23:11:13.648 INFO [stderr]    |            ^^
Nov 16 23:11:13.648 INFO [stderr]    |
Nov 16 23:11:13.648 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 23:11:13.649 INFO [stderr] 
Nov 16 23:11:13.655 INFO [stderr] warning: value assigned to `a` is never read
Nov 16 23:11:13.655 INFO [stderr]   --> src/test/data_types.rs:32:12
Nov 16 23:11:13.656 INFO [stderr]    |
Nov 16 23:11:13.656 INFO [stderr] 32 |    let mut a: i32 = 8;
Nov 16 23:11:13.656 INFO [stderr]    |            ^
Nov 16 23:11:13.656 INFO [stderr] 
Nov 16 23:11:13.657 INFO [stderr] warning: unused variable: `a`
Nov 16 23:11:13.657 INFO [stderr]   --> src/test/data_types.rs:34:8
Nov 16 23:11:13.657 INFO [stderr]    |
Nov 16 23:11:13.657 INFO [stderr] 34 |    let a = a; // a is now _immutable_ and *locked* to 10 (util shadowed). 
Nov 16 23:11:13.658 INFO [stderr]    |        ^ help: consider using `_a` instead
Nov 16 23:11:13.658 INFO [stderr] 
Nov 16 23:11:13.658 INFO [stderr] warning: unused variable: `e`
Nov 16 23:11:13.659 INFO [stderr]   --> src/test/data_types.rs:37:8
Nov 16 23:11:13.663 INFO [stderr]    |
Nov 16 23:11:13.666 INFO [stderr] 37 |    let e = 5;
Nov 16 23:11:13.666 INFO [stderr]    |        ^ help: consider using `_e` instead
Nov 16 23:11:13.666 INFO [stderr] 
Nov 16 23:11:13.667 INFO [stderr] warning: unused variable: `e`
Nov 16 23:11:13.667 INFO [stderr]   --> src/test/data_types.rs:38:8
Nov 16 23:11:13.667 INFO [stderr]    |
Nov 16 23:11:13.667 INFO [stderr] 38 |    let e = "I am now a string!"; // e has changed types from i32 --> string
Nov 16 23:11:13.667 INFO [stderr]    |        ^ help: consider using `_e` instead
Nov 16 23:11:13.667 INFO [stderr] 
Nov 16 23:11:13.703 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:13.703 INFO [stderr]  --> src/test/primitive_types.rs:3:9
Nov 16 23:11:13.703 INFO [stderr]   |
Nov 16 23:11:13.703 INFO [stderr] 3 |     let x = true;
Nov 16 23:11:13.703 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 16 23:11:13.712 INFO [stderr]   |
Nov 16 23:11:13.712 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 23:11:13.712 INFO [stderr] 
Nov 16 23:11:13.712 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:13.712 INFO [stderr]  --> src/test/primitive_types.rs:4:9
Nov 16 23:11:13.712 INFO [stderr]   |
Nov 16 23:11:13.712 INFO [stderr] 4 |     let y: bool = false;
Nov 16 23:11:13.712 INFO [stderr]   |         ^ help: consider using `_y` instead
Nov 16 23:11:13.712 INFO [stderr] 
Nov 16 23:11:13.712 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:13.712 INFO [stderr]  --> src/test/primitive_types.rs:7:9
Nov 16 23:11:13.712 INFO [stderr]   |
Nov 16 23:11:13.712 INFO [stderr] 7 |     let x = 'x';
Nov 16 23:11:13.712 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 16 23:11:13.719 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:10:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 10 |     let x = 42; // `x` has type `i32`
Nov 16 23:11:13.723 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:11:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 11 |     let y = 1.0; // `y` has type `f64`
Nov 16 23:11:13.723 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `a`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:19:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 19 |     let a = [1, 2, 3]; // a : [i32; 3]
Nov 16 23:11:13.723 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `m`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:20:13
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 20 |     let mut m = [1, 2, 3]; // m : [i32; 3]
Nov 16 23:11:13.723 INFO [stderr]    |             ^ help: consider using `_m` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `names`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:25:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 25 |     let names = ["Juspreet", "Cook", "Levin"]; // names : [&str; 3]
Nov 16 23:11:13.723 INFO [stderr]    |         ^^^^^ help: consider using `_names` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `b_duplicate`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:30:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 30 |     let b_duplicate = &b[..];  // A slice containing everything in `a`
Nov 16 23:11:13.723 INFO [stderr]    |         ^^^^^^^^^^^ help: consider using `_b_duplicate` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `middle`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:31:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 31 |     let middle = &b[1..4];     // A slice of `a` : [1, 2, 3]
Nov 16 23:11:13.723 INFO [stderr]    |         ^^^^^^ help: consider using `_middle` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:35:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 35 |     let x = (1, "hello");
Nov 16 23:11:13.723 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:36:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 36 |     let y: (i32, &str) = (1, "hello");
Nov 16 23:11:13.723 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: variable `x` is assigned to, but never used
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:38:13
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 38 |     let mut x = (1, 2);
Nov 16 23:11:13.723 INFO [stderr]    |             ^
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr]    = note: consider using `_x` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: value assigned to `x` is never read
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:40:5
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 40 |     x = y;   // A tuple is assigned to another (mutable) tuple, and type-check => The same Product-Type
Nov 16 23:11:13.723 INFO [stderr]    |     ^
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `a`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:46:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 46 |     let a = (0,); // Tuple of arity 1
Nov 16 23:11:13.723 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 16 23:11:13.723 INFO [stderr] 
Nov 16 23:11:13.723 INFO [stderr] warning: unused variable: `b`
Nov 16 23:11:13.723 INFO [stderr]   --> src/test/primitive_types.rs:47:9
Nov 16 23:11:13.723 INFO [stderr]    |
Nov 16 23:11:13.723 INFO [stderr] 47 |     let b = (0);  // Normal zero
Nov 16 23:11:13.723 INFO [stderr]    |         ^ help: consider using `_b` instead
Nov 16 23:11:13.724 INFO [stderr] 
Nov 16 23:11:13.724 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:13.724 INFO [stderr]   --> src/test/primitive_types.rs:52:9
Nov 16 23:11:13.724 INFO [stderr]    |
Nov 16 23:11:13.724 INFO [stderr] 52 |     let x = tuple.0;
Nov 16 23:11:13.724 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:13.724 INFO [stderr] 
Nov 16 23:11:13.724 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:13.724 INFO [stderr]   --> src/test/primitive_types.rs:53:9
Nov 16 23:11:13.724 INFO [stderr]    |
Nov 16 23:11:13.724 INFO [stderr] 53 |     let y = tuple.1;
Nov 16 23:11:13.724 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:13.724 INFO [stderr] 
Nov 16 23:11:13.724 INFO [stderr] warning: unused variable: `z`
Nov 16 23:11:13.724 INFO [stderr]   --> src/test/primitive_types.rs:54:9
Nov 16 23:11:13.724 INFO [stderr]    |
Nov 16 23:11:13.724 INFO [stderr] 54 |     let z = tuple.2;
Nov 16 23:11:13.724 INFO [stderr]    |         ^ help: consider using `_z` instead
Nov 16 23:11:13.724 INFO [stderr] 
Nov 16 23:11:13.731 INFO [stderr] warning: unreachable statement
Nov 16 23:11:13.731 INFO [stderr]   --> src/test/functions.rs:23:5
Nov 16 23:11:13.731 INFO [stderr]    |
Nov 16 23:11:13.731 INFO [stderr] 23 |     let x: String = diverges();
Nov 16 23:11:13.731 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 23:11:13.731 INFO [stderr]    |
Nov 16 23:11:13.731 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 16 23:11:13.731 INFO [stderr] 
Nov 16 23:11:13.744 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:11:13.744 INFO [stderr]   --> src/test/primitive_types.rs:20:9
Nov 16 23:11:13.744 INFO [stderr]    |
Nov 16 23:11:13.744 INFO [stderr] 20 |     let mut m = [1, 2, 3]; // m : [i32; 3]
Nov 16 23:11:13.744 INFO [stderr]    |         ----^
Nov 16 23:11:13.744 INFO [stderr]    |         |
Nov 16 23:11:13.744 INFO [stderr]    |         help: remove this `mut`
Nov 16 23:11:13.757 INFO [stderr]    |
Nov 16 23:11:13.757 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 23:11:13.757 INFO [stderr] 
Nov 16 23:11:13.763 INFO [stderr] warning: function is never used: `foo`
Nov 16 23:11:13.763 INFO [stderr]   --> src/test/primitive_types.rs:57:5
Nov 16 23:11:13.763 INFO [stderr]    |
Nov 16 23:11:13.763 INFO [stderr] 57 |     fn foo(x: i32) -> i32 { x } // foo : i32 -> i32
Nov 16 23:11:13.763 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Nov 16 23:11:13.763 INFO [stderr]    |
Nov 16 23:11:13.763 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 16 23:11:13.763 INFO [stderr] 
Nov 16 23:11:13.763 INFO [stderr] warning: function is never used: `two_foo`
Nov 16 23:11:13.763 INFO [stderr]   --> src/test/primitive_types.rs:59:5
Nov 16 23:11:13.763 INFO [stderr]    |
Nov 16 23:11:13.763 INFO [stderr] 59 |     fn two_foo(x: i32, y: i32) -> i32 { x + y } // two_foo : (i32 * i32) -> i32
Nov 16 23:11:13.763 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 23:11:13.763 INFO [stderr] 
Nov 16 23:11:13.803 INFO [stderr] warning: variable `y` is assigned to, but never used
Nov 16 23:11:13.803 INFO [stderr]   --> src/test/functions.rs:19:13
Nov 16 23:11:13.803 INFO [stderr]    |
Nov 16 23:11:13.803 INFO [stderr] 19 |     let mut y = 5;
Nov 16 23:11:13.803 INFO [stderr]    |             ^
Nov 16 23:11:13.803 INFO [stderr]    |
Nov 16 23:11:13.803 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 23:11:13.803 INFO [stderr]    = note: consider using `_y` instead
Nov 16 23:11:13.803 INFO [stderr] 
Nov 16 23:11:13.803 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:13.803 INFO [stderr]   --> src/test/functions.rs:20:9
Nov 16 23:11:13.803 INFO [stderr]    |
Nov 16 23:11:13.803 INFO [stderr] 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Nov 16 23:11:13.803 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:13.803 INFO [stderr] 
Nov 16 23:11:13.803 INFO [stderr] warning: value assigned to `y` is never read
Nov 16 23:11:13.803 INFO [stderr]   --> src/test/functions.rs:20:14
Nov 16 23:11:13.803 INFO [stderr]    |
Nov 16 23:11:13.803 INFO [stderr] 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Nov 16 23:11:13.803 INFO [stderr]    |              ^
Nov 16 23:11:13.803 INFO [stderr]    |
Nov 16 23:11:13.803 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 23:11:13.803 INFO [stderr] 
Nov 16 23:11:13.803 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:13.803 INFO [stderr]   --> src/test/functions.rs:22:9
Nov 16 23:11:13.803 INFO [stderr]    |
Nov 16 23:11:13.803 INFO [stderr] 22 |     let x: i32 = diverges();
Nov 16 23:11:13.803 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:13.803 INFO [stderr] 
Nov 16 23:11:13.803 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:13.803 INFO [stderr]   --> src/test/functions.rs:23:9
Nov 16 23:11:13.803 INFO [stderr]    |
Nov 16 23:11:13.803 INFO [stderr] 23 |     let x: String = diverges();
Nov 16 23:11:13.803 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:13.803 INFO [stderr] 
Nov 16 23:11:13.803 INFO [stderr] warning: unused variable: `f`
Nov 16 23:11:13.803 INFO [stderr]   --> src/test/functions.rs:28:9
Nov 16 23:11:13.803 INFO [stderr]    |
Nov 16 23:11:13.803 INFO [stderr] 28 |     let f: fn(i32) -> i32;
Nov 16 23:11:13.804 INFO [stderr]    |         ^ help: consider using `_f` instead
Nov 16 23:11:13.804 INFO [stderr] 
Nov 16 23:11:13.804 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:13.804 INFO [stderr]   --> src/test/functions.rs:31:9
Nov 16 23:11:13.804 INFO [stderr]    |
Nov 16 23:11:13.804 INFO [stderr] 31 |     let y = f(5, 6);
Nov 16 23:11:13.804 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:13.804 INFO [stderr] 
Nov 16 23:11:13.804 INFO [stderr] warning: unused variable: `z`
Nov 16 23:11:13.804 INFO [stderr]   --> src/test/functions.rs:34:9
Nov 16 23:11:13.804 INFO [stderr]    |
Nov 16 23:11:13.804 INFO [stderr] 34 |     let z = sum_number(5, 6);
Nov 16 23:11:13.804 INFO [stderr]    |         ^ help: consider using `_z` instead
Nov 16 23:11:13.804 INFO [stderr] 
Nov 16 23:11:13.804 INFO [stderr] warning: function is never used: `sum_number_three`
Nov 16 23:11:13.804 INFO [stderr]  --> src/test/functions.rs:9:1
Nov 16 23:11:13.804 INFO [stderr]   |
Nov 16 23:11:13.804 INFO [stderr] 9 | fn sum_number_three(x: i32, y: i32, z:i32) -> i32 {
Nov 16 23:11:13.804 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 23:11:13.819 INFO [stderr]   |
Nov 16 23:11:13.819 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 23:11:13.823 INFO [stderr] 
Nov 16 23:11:14.570 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
Nov 16 23:11:14.576 INFO [stderr] su: No module specific data is present
Nov 16 23:11:15.043 INFO running `"docker" "inspect" "a771f7bfc4a53b28d77ece605da46a539fc6914b9d6f88ff1cc8ba92b9da5248"`
Nov 16 23:11:15.339 INFO running `"docker" "rm" "-f" "a771f7bfc4a53b28d77ece605da46a539fc6914b9d6f88ff1cc8ba92b9da5248"`
Nov 16 23:11:15.735 INFO [stdout] a771f7bfc4a53b28d77ece605da46a539fc6914b9d6f88ff1cc8ba92b9da5248
Nov 16 23:11:15.739 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 23:11:16.167 INFO [stdout] f5264a092fbbcd8c013251f45479834bf2336dcf3baf4d87f725e672c9629956
Nov 16 23:11:16.171 INFO running `"docker" "start" "-a" "f5264a092fbbcd8c013251f45479834bf2336dcf3baf4d87f725e672c9629956"`
Nov 16 23:11:17.502 INFO [stderr] usermod: no changes
Nov 16 23:11:17.563 INFO [stderr]    Compiling rust-systems v0.0.1 (/source)
Nov 16 23:11:18.194 INFO [stderr] warning: unnecessary parentheses around assigned value
Nov 16 23:11:18.194 INFO [stderr]   --> src/test/primitive_types.rs:47:13
Nov 16 23:11:18.194 INFO [stderr]    |
Nov 16 23:11:18.194 INFO [stderr] 47 |     let b = (0);  // Normal zero
Nov 16 23:11:18.194 INFO [stderr]    |             ^^^ help: remove these parentheses
Nov 16 23:11:18.194 INFO [stderr]    |
Nov 16 23:11:18.194 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 16 23:11:18.194 INFO [stderr] 
Nov 16 23:11:18.460 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:18.460 INFO [stderr]  --> src/test/primitive_types.rs:3:9
Nov 16 23:11:18.460 INFO [stderr]   |
Nov 16 23:11:18.460 INFO [stderr] 3 |     let x = true;
Nov 16 23:11:18.460 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 16 23:11:18.460 INFO [stderr]   |
Nov 16 23:11:18.460 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 23:11:18.460 INFO [stderr] 
Nov 16 23:11:18.460 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:18.460 INFO [stderr]  --> src/test/primitive_types.rs:4:9
Nov 16 23:11:18.460 INFO [stderr]   |
Nov 16 23:11:18.460 INFO [stderr] 4 |     let y: bool = false;
Nov 16 23:11:18.460 INFO [stderr]   |         ^ help: consider using `_y` instead
Nov 16 23:11:18.460 INFO [stderr] 
Nov 16 23:11:18.460 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:18.460 INFO [stderr]  --> src/test/primitive_types.rs:7:9
Nov 16 23:11:18.460 INFO [stderr]   |
Nov 16 23:11:18.460 INFO [stderr] 7 |     let x = 'x';
Nov 16 23:11:18.460 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 16 23:11:18.460 INFO [stderr] 
Nov 16 23:11:18.460 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:18.460 INFO [stderr]   --> src/test/primitive_types.rs:10:9
Nov 16 23:11:18.460 INFO [stderr]    |
Nov 16 23:11:18.460 INFO [stderr] 10 |     let x = 42; // `x` has type `i32`
Nov 16 23:11:18.460 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:18.460 INFO [stderr] 
Nov 16 23:11:18.460 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:18.460 INFO [stderr]   --> src/test/primitive_types.rs:11:9
Nov 16 23:11:18.460 INFO [stderr]    |
Nov 16 23:11:18.460 INFO [stderr] 11 |     let y = 1.0; // `y` has type `f64`
Nov 16 23:11:18.460 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:18.460 INFO [stderr] 
Nov 16 23:11:18.460 INFO [stderr] warning: unused variable: `a`
Nov 16 23:11:18.460 INFO [stderr]   --> src/test/primitive_types.rs:19:9
Nov 16 23:11:18.460 INFO [stderr]    |
Nov 16 23:11:18.460 INFO [stderr] 19 |     let a = [1, 2, 3]; // a : [i32; 3]
Nov 16 23:11:18.460 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 16 23:11:18.460 INFO [stderr] 
Nov 16 23:11:18.460 INFO [stderr] warning: unused variable: `m`
Nov 16 23:11:18.460 INFO [stderr]   --> src/test/primitive_types.rs:20:13
Nov 16 23:11:18.460 INFO [stderr]    |
Nov 16 23:11:18.460 INFO [stderr] 20 |     let mut m = [1, 2, 3]; // m : [i32; 3]
Nov 16 23:11:18.460 INFO [stderr]    |             ^ help: consider using `_m` instead
Nov 16 23:11:18.460 INFO [stderr] 
Nov 16 23:11:18.460 INFO [stderr] warning: unused variable: `names`
Nov 16 23:11:18.460 INFO [stderr]   --> src/test/primitive_types.rs:25:9
Nov 16 23:11:18.460 INFO [stderr]    |
Nov 16 23:11:18.460 INFO [stderr] 25 |     let names = ["Juspreet", "Cook", "Levin"]; // names : [&str; 3]
Nov 16 23:11:18.460 INFO [stderr]    |         ^^^^^ help: consider using `_names` instead
Nov 16 23:11:18.460 INFO [stderr] 
Nov 16 23:11:18.460 INFO [stderr] warning: unused variable: `b_duplicate`
Nov 16 23:11:18.460 INFO [stderr]   --> src/test/primitive_types.rs:30:9
Nov 16 23:11:18.460 INFO [stderr]    |
Nov 16 23:11:18.460 INFO [stderr] 30 |     let b_duplicate = &b[..];  // A slice containing everything in `a`
Nov 16 23:11:18.460 INFO [stderr]    |         ^^^^^^^^^^^ help: consider using `_b_duplicate` instead
Nov 16 23:11:18.460 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: unused variable: `middle`
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:31:9
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 31 |     let middle = &b[1..4];     // A slice of `a` : [1, 2, 3]
Nov 16 23:11:18.461 INFO [stderr]    |         ^^^^^^ help: consider using `_middle` instead
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:35:9
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 35 |     let x = (1, "hello");
Nov 16 23:11:18.461 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:36:9
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 36 |     let y: (i32, &str) = (1, "hello");
Nov 16 23:11:18.461 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: variable `x` is assigned to, but never used
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:38:13
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 38 |     let mut x = (1, 2);
Nov 16 23:11:18.461 INFO [stderr]    |             ^
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr]    = note: consider using `_x` instead
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: value assigned to `x` is never read
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:40:5
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 40 |     x = y;   // A tuple is assigned to another (mutable) tuple, and type-check => The same Product-Type
Nov 16 23:11:18.461 INFO [stderr]    |     ^
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: unused variable: `a`
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:46:9
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 46 |     let a = (0,); // Tuple of arity 1
Nov 16 23:11:18.461 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: unused variable: `b`
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:47:9
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 47 |     let b = (0);  // Normal zero
Nov 16 23:11:18.461 INFO [stderr]    |         ^ help: consider using `_b` instead
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:52:9
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 52 |     let x = tuple.0;
Nov 16 23:11:18.461 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:53:9
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 53 |     let y = tuple.1;
Nov 16 23:11:18.461 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.461 INFO [stderr] warning: unused variable: `z`
Nov 16 23:11:18.461 INFO [stderr]   --> src/test/primitive_types.rs:54:9
Nov 16 23:11:18.461 INFO [stderr]    |
Nov 16 23:11:18.461 INFO [stderr] 54 |     let z = tuple.2;
Nov 16 23:11:18.461 INFO [stderr]    |         ^ help: consider using `_z` instead
Nov 16 23:11:18.461 INFO [stderr] 
Nov 16 23:11:18.511 INFO [stderr] warning: variable does not need to be mutable
Nov 16 23:11:18.511 INFO [stderr]   --> src/test/primitive_types.rs:20:9
Nov 16 23:11:18.511 INFO [stderr]    |
Nov 16 23:11:18.511 INFO [stderr] 20 |     let mut m = [1, 2, 3]; // m : [i32; 3]
Nov 16 23:11:18.511 INFO [stderr]    |         ----^
Nov 16 23:11:18.511 INFO [stderr]    |         |
Nov 16 23:11:18.511 INFO [stderr]    |         help: remove this `mut`
Nov 16 23:11:18.511 INFO [stderr]    |
Nov 16 23:11:18.511 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 16 23:11:18.511 INFO [stderr] 
Nov 16 23:11:18.843 INFO [stderr] warning: unnecessary parentheses around assigned value
Nov 16 23:11:18.843 INFO [stderr]   --> src/test/functions.rs:20:13
Nov 16 23:11:18.843 INFO [stderr]    |
Nov 16 23:11:18.843 INFO [stderr] 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Nov 16 23:11:18.843 INFO [stderr]    |             ^^^^^^^ help: remove these parentheses
Nov 16 23:11:18.843 INFO [stderr]    |
Nov 16 23:11:18.843 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 16 23:11:18.843 INFO [stderr] 
Nov 16 23:11:18.956 INFO [stderr] warning: unreachable statement
Nov 16 23:11:18.956 INFO [stderr]   --> src/test/functions.rs:23:5
Nov 16 23:11:18.956 INFO [stderr]    |
Nov 16 23:11:18.956 INFO [stderr] 23 |     let x: String = diverges();
Nov 16 23:11:18.956 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 23:11:18.956 INFO [stderr]    |
Nov 16 23:11:18.956 INFO [stderr]    = note: #[warn(unreachable_code)] on by default
Nov 16 23:11:18.956 INFO [stderr] 
Nov 16 23:11:18.995 INFO [stderr] warning: variable `y` is assigned to, but never used
Nov 16 23:11:18.995 INFO [stderr]   --> src/test/functions.rs:19:13
Nov 16 23:11:18.995 INFO [stderr]    |
Nov 16 23:11:18.995 INFO [stderr] 19 |     let mut y = 5;
Nov 16 23:11:18.995 INFO [stderr]    |             ^
Nov 16 23:11:18.995 INFO [stderr]    |
Nov 16 23:11:18.995 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 23:11:18.995 INFO [stderr]    = note: consider using `_y` instead
Nov 16 23:11:18.995 INFO [stderr] 
Nov 16 23:11:18.995 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:18.995 INFO [stderr]   --> src/test/functions.rs:20:9
Nov 16 23:11:18.995 INFO [stderr]    |
Nov 16 23:11:18.995 INFO [stderr] 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Nov 16 23:11:18.995 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:18.995 INFO [stderr] 
Nov 16 23:11:18.995 INFO [stderr] warning: value assigned to `y` is never read
Nov 16 23:11:18.995 INFO [stderr]   --> src/test/functions.rs:20:14
Nov 16 23:11:18.995 INFO [stderr]    |
Nov 16 23:11:18.995 INFO [stderr] 20 |     let x = (y = 6); // `x` has the value `()`, _NOT_ 6
Nov 16 23:11:18.995 INFO [stderr]    |              ^
Nov 16 23:11:18.995 INFO [stderr]    |
Nov 16 23:11:18.995 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 23:11:18.995 INFO [stderr] 
Nov 16 23:11:18.995 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:18.996 INFO [stderr]   --> src/test/functions.rs:22:9
Nov 16 23:11:18.996 INFO [stderr]    |
Nov 16 23:11:18.996 INFO [stderr] 22 |     let x: i32 = diverges();
Nov 16 23:11:18.996 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:18.996 INFO [stderr] 
Nov 16 23:11:18.996 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:18.996 INFO [stderr]   --> src/test/functions.rs:23:9
Nov 16 23:11:18.996 INFO [stderr]    |
Nov 16 23:11:18.996 INFO [stderr] 23 |     let x: String = diverges();
Nov 16 23:11:18.996 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 16 23:11:18.996 INFO [stderr] 
Nov 16 23:11:18.996 INFO [stderr] warning: unused variable: `f`
Nov 16 23:11:18.996 INFO [stderr]   --> src/test/functions.rs:28:9
Nov 16 23:11:18.996 INFO [stderr]    |
Nov 16 23:11:18.996 INFO [stderr] 28 |     let f: fn(i32) -> i32;
Nov 16 23:11:18.996 INFO [stderr]    |         ^ help: consider using `_f` instead
Nov 16 23:11:18.996 INFO [stderr] 
Nov 16 23:11:18.996 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:18.996 INFO [stderr]   --> src/test/functions.rs:31:9
Nov 16 23:11:18.996 INFO [stderr]    |
Nov 16 23:11:18.996 INFO [stderr] 31 |     let y = f(5, 6);
Nov 16 23:11:18.996 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:18.996 INFO [stderr] 
Nov 16 23:11:18.996 INFO [stderr] warning: unused variable: `z`
Nov 16 23:11:18.996 INFO [stderr]   --> src/test/functions.rs:34:9
Nov 16 23:11:18.996 INFO [stderr]    |
Nov 16 23:11:18.996 INFO [stderr] 34 |     let z = sum_number(5, 6);
Nov 16 23:11:18.996 INFO [stderr]    |         ^ help: consider using `_z` instead
Nov 16 23:11:18.996 INFO [stderr] 
Nov 16 23:11:18.997 INFO [stderr] warning: function is never used: `sum_number_three`
Nov 16 23:11:19.000 INFO [stderr]  --> src/test/functions.rs:9:1
Nov 16 23:11:19.000 INFO [stderr]   |
Nov 16 23:11:19.000 INFO [stderr] 9 | fn sum_number_three(x: i32, y: i32, z:i32) -> i32 {
Nov 16 23:11:19.000 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 16 23:11:19.019 INFO [stderr]   |
Nov 16 23:11:19.021 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 16 23:11:19.021 INFO [stderr] 
Nov 16 23:11:19.267 INFO [stderr] warning: unused variable: `x`
Nov 16 23:11:19.267 INFO [stderr]  --> src/test/vectors.rs:9:9
Nov 16 23:11:19.267 INFO [stderr]   |
Nov 16 23:11:19.267 INFO [stderr] 9 |     let x = Box::new(5);   // This is closer to the Type-Theoretic defn of `List<T>` := Nil | Cons(T, Box(List<T>))
Nov 16 23:11:19.267 INFO [stderr]   |         ^ help: consider using `_x` instead
Nov 16 23:11:19.275 INFO [stderr]   |
Nov 16 23:11:19.275 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 23:11:19.275 INFO [stderr] 
Nov 16 23:11:19.307 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:19.307 INFO [stderr]  --> src/test/data_types.rs:3:9
Nov 16 23:11:19.307 INFO [stderr]   |
Nov 16 23:11:19.307 INFO [stderr] 3 |    let (y, z) = (1, 2); // Binding that uses _patterns_
Nov 16 23:11:19.307 INFO [stderr]   |         ^ help: consider using `_y` instead
Nov 16 23:11:19.315 INFO [stderr]   |
Nov 16 23:11:19.315 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 16 23:11:19.315 INFO [stderr] 
Nov 16 23:11:19.315 INFO [stderr] warning: unused variable: `z`
Nov 16 23:11:19.315 INFO [stderr]  --> src/test/data_types.rs:3:12
Nov 16 23:11:19.315 INFO [stderr]   |
Nov 16 23:11:19.315 INFO [stderr] 3 |    let (y, z) = (1, 2); // Binding that uses _patterns_
Nov 16 23:11:19.315 INFO [stderr]   |            ^ help: consider using `_z` instead
Nov 16 23:11:19.315 INFO [stderr] 
Nov 16 23:11:19.315 INFO [stderr] warning: unused variable: `k`
Nov 16 23:11:19.315 INFO [stderr]  --> src/test/data_types.rs:4:8
Nov 16 23:11:19.315 INFO [stderr]   |
Nov 16 23:11:19.315 INFO [stderr] 4 |    let k: i32 = 5; // Binding to _bind_ k to 5, with a static "int 32" type
Nov 16 23:11:19.315 INFO [stderr]   |        ^ help: consider using `_k` instead
Nov 16 23:11:19.315 INFO [stderr] 
Nov 16 23:11:19.315 INFO [stderr] warning: value assigned to `xp` is never read
Nov 16 23:11:19.315 INFO [stderr]   --> src/test/data_types.rs:11:12
Nov 16 23:11:19.315 INFO [stderr]    |
Nov 16 23:11:19.315 INFO [stderr] 11 |    let mut xp = 5;
Nov 16 23:11:19.315 INFO [stderr]    |            ^^
Nov 16 23:11:19.315 INFO [stderr]    |
Nov 16 23:11:19.315 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 16 23:11:19.315 INFO [stderr] 
Nov 16 23:11:19.315 INFO [stderr] warning: value assigned to `a` is never read
Nov 16 23:11:19.315 INFO [stderr]   --> src/test/data_types.rs:32:12
Nov 16 23:11:19.315 INFO [stderr]    |
Nov 16 23:11:19.315 INFO [stderr] 32 |    let mut a: i32 = 8;
Nov 16 23:11:19.315 INFO [stderr]    |            ^
Nov 16 23:11:19.315 INFO [stderr] 
Nov 16 23:11:19.315 INFO [stderr] warning: unused variable: `a`
Nov 16 23:11:19.315 INFO [stderr]   --> src/test/data_types.rs:34:8
Nov 16 23:11:19.315 INFO [stderr]    |
Nov 16 23:11:19.315 INFO [stderr] 34 |    let a = a; // a is now _immutable_ and *locked* to 10 (util shadowed). 
Nov 16 23:11:19.315 INFO [stderr]    |        ^ help: consider using `_a` instead
Nov 16 23:11:19.315 INFO [stderr] 
Nov 16 23:11:19.315 INFO [stderr] warning: unused variable: `e`
Nov 16 23:11:19.315 INFO [stderr]   --> src/test/data_types.rs:37:8
Nov 16 23:11:19.315 INFO [stderr]    |
Nov 16 23:11:19.315 INFO [stderr] 37 |    let e = 5;
Nov 16 23:11:19.315 INFO [stderr]    |        ^ help: consider using `_e` instead
Nov 16 23:11:19.315 INFO [stderr] 
Nov 16 23:11:19.315 INFO [stderr] warning: unused variable: `e`
Nov 16 23:11:19.315 INFO [stderr]   --> src/test/data_types.rs:38:8
Nov 16 23:11:19.316 INFO [stderr]    |
Nov 16 23:11:19.316 INFO [stderr] 38 |    let e = "I am now a string!"; // e has changed types from i32 --> string
Nov 16 23:11:19.316 INFO [stderr]    |        ^ help: consider using `_e` instead
Nov 16 23:11:19.316 INFO [stderr] 
Nov 16 23:11:19.499 INFO [stderr] warning: unused variable: `y`
Nov 16 23:11:19.499 INFO [stderr]   --> src/test/conditionals_and_loops.rs:14:9
Nov 16 23:11:19.499 INFO [stderr]    |
Nov 16 23:11:19.499 INFO [stderr] 14 |     let y = if x == 5 { 10 } else { 15 }; // y : i32
Nov 16 23:11:19.499 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 16 23:11:19.499 INFO [stderr]    |
Nov 16 23:11:19.499 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 16 23:11:19.499 INFO [stderr] 
Nov 16 23:11:20.306 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
Nov 16 23:11:20.315 INFO [stderr] su: No module specific data is present
Nov 16 23:11:20.941 INFO running `"docker" "inspect" "f5264a092fbbcd8c013251f45479834bf2336dcf3baf4d87f725e672c9629956"`
Nov 16 23:11:21.383 INFO running `"docker" "rm" "-f" "f5264a092fbbcd8c013251f45479834bf2336dcf3baf4d87f725e672c9629956"`
Nov 16 23:11:21.717 INFO [stdout] f5264a092fbbcd8c013251f45479834bf2336dcf3baf4d87f725e672c9629956
Nov 16 23:11:21.720 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-3/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/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 +2e026d6e5d7621634147ad4c8074f1d964dbb1be-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"`
Nov 16 23:11:22.224 INFO [stdout] be7ef9f8d85c43d59a0ca483c8119603c08835f3e5e7597172a4d9e7c01868b6
Nov 16 23:11:22.227 INFO running `"docker" "start" "-a" "be7ef9f8d85c43d59a0ca483c8119603c08835f3e5e7597172a4d9e7c01868b6"`
Nov 16 23:11:23.607 INFO [stderr] usermod: no changes
Nov 16 23:11:23.671 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 16 23:11:23.671 INFO [stderr]      Running /target/debug/deps/conditionals_and_loops-de423f13169dd645
Nov 16 23:11:23.678 INFO [stdout] 
Nov 16 23:11:23.678 INFO [stdout] running 0 tests
Nov 16 23:11:23.678 INFO [stdout] 
Nov 16 23:11:23.678 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 23:11:23.678 INFO [stdout] 
Nov 16 23:11:23.678 INFO [stderr]      Running /target/debug/deps/data_types-814cbfb639809216
Nov 16 23:11:23.683 INFO [stderr]      Running /target/debug/deps/functions-2fb886340d887d57
Nov 16 23:11:23.683 INFO [stdout] 
Nov 16 23:11:23.683 INFO [stdout] running 0 tests
Nov 16 23:11:23.683 INFO [stdout] 
Nov 16 23:11:23.683 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 23:11:23.683 INFO [stdout] 
Nov 16 23:11:23.687 INFO [stdout] 
Nov 16 23:11:23.687 INFO [stdout] running 0 tests
Nov 16 23:11:23.687 INFO [stdout] 
Nov 16 23:11:23.687 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 23:11:23.687 INFO [stdout] 
Nov 16 23:11:23.695 INFO [stdout] 
Nov 16 23:11:23.695 INFO [stderr]      Running /target/debug/deps/hello_world-0e3a22ec7209766d
Nov 16 23:11:23.695 INFO [stdout] running 0 tests
Nov 16 23:11:23.695 INFO [stderr]      Running /target/debug/deps/primitive_types-f3bca875df845d52
Nov 16 23:11:23.695 INFO [stdout] 
Nov 16 23:11:23.695 INFO [stderr]      Running /target/debug/deps/vectors-d2bf50cd4c697614
Nov 16 23:11:23.695 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 23:11:23.695 INFO [stderr] su: No module specific data is present
Nov 16 23:11:23.695 INFO [stdout] 
Nov 16 23:11:23.695 INFO [stdout] 
Nov 16 23:11:23.695 INFO [stdout] running 0 tests
Nov 16 23:11:23.695 INFO [stdout] 
Nov 16 23:11:23.695 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 23:11:23.695 INFO [stdout] 
Nov 16 23:11:23.695 INFO [stdout] 
Nov 16 23:11:23.695 INFO [stdout] running 0 tests
Nov 16 23:11:23.695 INFO [stdout] 
Nov 16 23:11:23.695 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 16 23:11:23.695 INFO [stdout] 
Nov 16 23:11:24.761 INFO running `"docker" "inspect" "be7ef9f8d85c43d59a0ca483c8119603c08835f3e5e7597172a4d9e7c01868b6"`
Nov 16 23:11:25.069 INFO running `"docker" "rm" "-f" "be7ef9f8d85c43d59a0ca483c8119603c08835f3e5e7597172a4d9e7c01868b6"`
Nov 16 23:11:25.527 INFO [stdout] be7ef9f8d85c43d59a0ca483c8119603c08835f3e5e7597172a4d9e7c01868b6