Nov 01 02:55:34.425 INFO checking jssandh2/rust-systems against try#d7816399d50d407bbce1efe9dbadf8faaaf568fc for pr-55538 Nov 01 02:55:34.426 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-0/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-55538/try#d7816399d50d407bbce1efe9dbadf8faaaf568fc:/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 +d7816399d50d407bbce1efe9dbadf8faaaf568fc-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"` Nov 01 02:55:34.816 INFO blam! e1bfc06937d2d112587082275c017a7d13f8be4c83a6482da367c97c62e9b5a5 Nov 01 02:55:34.817 INFO running `"docker" "start" "-a" "e1bfc06937d2d112587082275c017a7d13f8be4c83a6482da367c97c62e9b5a5"` Nov 01 02:55:35.228 INFO kablam! usermod: no changes Nov 01 02:55:35.259 INFO kablam! Checking rust-systems v0.0.1 (/source) Nov 01 02:55:35.836 INFO kablam! warning: unnecessary parentheses around assigned value Nov 01 02:55:35.836 INFO kablam! --> src/test/functions.rs:20:13 Nov 01 02:55:35.836 INFO kablam! | Nov 01 02:55:35.836 INFO kablam! 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Nov 01 02:55:35.836 INFO kablam! | ^^^^^^^ help: remove these parentheses Nov 01 02:55:35.844 INFO kablam! | Nov 01 02:55:35.844 INFO kablam! = note: #[warn(unused_parens)] on by default Nov 01 02:55:35.844 INFO kablam! Nov 01 02:55:35.940 INFO kablam! warning: unreachable statement Nov 01 02:55:35.940 INFO kablam! --> src/test/functions.rs:23:5 Nov 01 02:55:35.940 INFO kablam! | Nov 01 02:55:35.940 INFO kablam! 23 | let x: String = diverges(); Nov 01 02:55:35.940 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 02:55:35.968 INFO kablam! | Nov 01 02:55:35.968 INFO kablam! = note: #[warn(unreachable_code)] on by default Nov 01 02:55:35.968 INFO kablam! Nov 01 02:55:35.980 INFO kablam! warning: variable `y` is assigned to, but never used Nov 01 02:55:35.980 INFO kablam! --> src/test/functions.rs:19:13 Nov 01 02:55:35.980 INFO kablam! | Nov 01 02:55:35.980 INFO kablam! 19 | let mut y = 5; Nov 01 02:55:35.980 INFO kablam! | ^ Nov 01 02:55:35.988 INFO kablam! | Nov 01 02:55:35.988 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:35.988 INFO kablam! = note: consider using `_y` instead Nov 01 02:55:35.988 INFO kablam! Nov 01 02:55:35.988 INFO kablam! warning: unused variable: `x` Nov 01 02:55:35.988 INFO kablam! --> src/test/functions.rs:20:9 Nov 01 02:55:35.988 INFO kablam! | Nov 01 02:55:35.988 INFO kablam! 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Nov 01 02:55:35.988 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:35.988 INFO kablam! Nov 01 02:55:35.988 INFO kablam! warning: value assigned to `y` is never read Nov 01 02:55:35.988 INFO kablam! --> src/test/functions.rs:20:14 Nov 01 02:55:35.988 INFO kablam! | Nov 01 02:55:35.988 INFO kablam! 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Nov 01 02:55:35.988 INFO kablam! | ^ Nov 01 02:55:35.988 INFO kablam! | Nov 01 02:55:35.988 INFO kablam! = note: #[warn(unused_assignments)] on by default Nov 01 02:55:35.988 INFO kablam! Nov 01 02:55:35.989 INFO kablam! warning: unused variable: `x` Nov 01 02:55:35.989 INFO kablam! --> src/test/functions.rs:22:9 Nov 01 02:55:35.989 INFO kablam! | Nov 01 02:55:35.989 INFO kablam! 22 | let x: i32 = diverges(); Nov 01 02:55:35.989 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:35.989 INFO kablam! Nov 01 02:55:35.989 INFO kablam! warning: unused variable: `x` Nov 01 02:55:35.989 INFO kablam! --> src/test/functions.rs:23:9 Nov 01 02:55:35.989 INFO kablam! | Nov 01 02:55:35.989 INFO kablam! 23 | let x: String = diverges(); Nov 01 02:55:35.989 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:35.989 INFO kablam! Nov 01 02:55:35.989 INFO kablam! warning: unused variable: `f` Nov 01 02:55:35.989 INFO kablam! --> src/test/functions.rs:28:9 Nov 01 02:55:35.989 INFO kablam! | Nov 01 02:55:35.989 INFO kablam! 28 | let f: fn(i32) -> i32; Nov 01 02:55:35.989 INFO kablam! | ^ help: consider using `_f` instead Nov 01 02:55:35.992 INFO kablam! Nov 01 02:55:35.992 INFO kablam! warning: unused variable: `y` Nov 01 02:55:35.992 INFO kablam! --> src/test/functions.rs:31:9 Nov 01 02:55:35.992 INFO kablam! | Nov 01 02:55:35.992 INFO kablam! 31 | let y = f(5, 6); Nov 01 02:55:35.992 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:35.992 INFO kablam! Nov 01 02:55:35.992 INFO kablam! warning: unused variable: `z` Nov 01 02:55:35.992 INFO kablam! --> src/test/functions.rs:34:9 Nov 01 02:55:35.992 INFO kablam! | Nov 01 02:55:35.992 INFO kablam! 34 | let z = sum_number(5, 6); Nov 01 02:55:35.992 INFO kablam! | ^ help: consider using `_z` instead Nov 01 02:55:35.992 INFO kablam! Nov 01 02:55:35.998 INFO kablam! warning: function is never used: `sum_number_three` Nov 01 02:55:35.998 INFO kablam! --> src/test/functions.rs:9:1 Nov 01 02:55:35.998 INFO kablam! | Nov 01 02:55:35.998 INFO kablam! 9 | fn sum_number_three(x: i32, y: i32, z:i32) -> i32 { Nov 01 02:55:35.998 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 02:55:35.998 INFO kablam! | Nov 01 02:55:35.998 INFO kablam! = note: #[warn(dead_code)] on by default Nov 01 02:55:35.998 INFO kablam! Nov 01 02:55:36.308 INFO kablam! warning: unused variable: `y` Nov 01 02:55:36.308 INFO kablam! --> src/test/conditionals_and_loops.rs:14:9 Nov 01 02:55:36.308 INFO kablam! | Nov 01 02:55:36.308 INFO kablam! 14 | let y = if x == 5 { 10 } else { 15 }; // y : i32 Nov 01 02:55:36.308 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:36.308 INFO kablam! | Nov 01 02:55:36.308 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:36.308 INFO kablam! Nov 01 02:55:36.376 INFO kablam! warning: unnecessary parentheses around assigned value Nov 01 02:55:36.376 INFO kablam! --> src/test/functions.rs:20:13 Nov 01 02:55:36.376 INFO kablam! | Nov 01 02:55:36.376 INFO kablam! 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Nov 01 02:55:36.376 INFO kablam! | ^^^^^^^ help: remove these parentheses Nov 01 02:55:36.376 INFO kablam! | Nov 01 02:55:36.376 INFO kablam! = note: #[warn(unused_parens)] on by default Nov 01 02:55:36.376 INFO kablam! Nov 01 02:55:36.403 INFO kablam! warning: unreachable statement Nov 01 02:55:36.403 INFO kablam! --> src/test/functions.rs:23:5 Nov 01 02:55:36.403 INFO kablam! | Nov 01 02:55:36.403 INFO kablam! 23 | let x: String = diverges(); Nov 01 02:55:36.403 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 02:55:36.404 INFO kablam! | Nov 01 02:55:36.405 INFO kablam! = note: #[warn(unreachable_code)] on by default Nov 01 02:55:36.408 INFO kablam! Nov 01 02:55:36.420 INFO kablam! warning: variable `y` is assigned to, but never used Nov 01 02:55:36.420 INFO kablam! --> src/test/functions.rs:19:13 Nov 01 02:55:36.420 INFO kablam! | Nov 01 02:55:36.420 INFO kablam! 19 | let mut y = 5; Nov 01 02:55:36.420 INFO kablam! | ^ Nov 01 02:55:36.420 INFO kablam! | Nov 01 02:55:36.420 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:36.420 INFO kablam! = note: consider using `_y` instead Nov 01 02:55:36.420 INFO kablam! Nov 01 02:55:36.420 INFO kablam! warning: unused variable: `x` Nov 01 02:55:36.420 INFO kablam! --> src/test/functions.rs:20:9 Nov 01 02:55:36.420 INFO kablam! | Nov 01 02:55:36.420 INFO kablam! 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Nov 01 02:55:36.420 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:36.420 INFO kablam! Nov 01 02:55:36.420 INFO kablam! warning: value assigned to `y` is never read Nov 01 02:55:36.420 INFO kablam! --> src/test/functions.rs:20:14 Nov 01 02:55:36.420 INFO kablam! | Nov 01 02:55:36.421 INFO kablam! 20 | let x = (y = 6); // `x` has the value `()`, _NOT_ 6 Nov 01 02:55:36.421 INFO kablam! | ^ Nov 01 02:55:36.421 INFO kablam! | Nov 01 02:55:36.421 INFO kablam! = note: #[warn(unused_assignments)] on by default Nov 01 02:55:36.421 INFO kablam! Nov 01 02:55:36.421 INFO kablam! warning: unused variable: `x` Nov 01 02:55:36.421 INFO kablam! --> src/test/functions.rs:22:9 Nov 01 02:55:36.421 INFO kablam! | Nov 01 02:55:36.421 INFO kablam! 22 | let x: i32 = diverges(); Nov 01 02:55:36.421 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:36.421 INFO kablam! Nov 01 02:55:36.421 INFO kablam! warning: unused variable: `x` Nov 01 02:55:36.421 INFO kablam! --> src/test/functions.rs:23:9 Nov 01 02:55:36.421 INFO kablam! | Nov 01 02:55:36.421 INFO kablam! 23 | let x: String = diverges(); Nov 01 02:55:36.421 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:36.421 INFO kablam! Nov 01 02:55:36.421 INFO kablam! warning: unused variable: `f` Nov 01 02:55:36.421 INFO kablam! --> src/test/functions.rs:28:9 Nov 01 02:55:36.421 INFO kablam! | Nov 01 02:55:36.421 INFO kablam! 28 | let f: fn(i32) -> i32; Nov 01 02:55:36.421 INFO kablam! | ^ help: consider using `_f` instead Nov 01 02:55:36.421 INFO kablam! Nov 01 02:55:36.421 INFO kablam! warning: unused variable: `y` Nov 01 02:55:36.421 INFO kablam! --> src/test/functions.rs:31:9 Nov 01 02:55:36.421 INFO kablam! | Nov 01 02:55:36.421 INFO kablam! 31 | let y = f(5, 6); Nov 01 02:55:36.421 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:36.421 INFO kablam! Nov 01 02:55:36.421 INFO kablam! warning: unused variable: `z` Nov 01 02:55:36.421 INFO kablam! --> src/test/functions.rs:34:9 Nov 01 02:55:36.421 INFO kablam! | Nov 01 02:55:36.421 INFO kablam! 34 | let z = sum_number(5, 6); Nov 01 02:55:36.421 INFO kablam! | ^ help: consider using `_z` instead Nov 01 02:55:36.421 INFO kablam! Nov 01 02:55:36.426 INFO kablam! warning: function is never used: `sum_number_three` Nov 01 02:55:36.426 INFO kablam! --> src/test/functions.rs:9:1 Nov 01 02:55:36.426 INFO kablam! | Nov 01 02:55:36.426 INFO kablam! 9 | fn sum_number_three(x: i32, y: i32, z:i32) -> i32 { Nov 01 02:55:36.426 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 02:55:36.428 INFO kablam! | Nov 01 02:55:36.428 INFO kablam! = note: #[warn(dead_code)] on by default Nov 01 02:55:36.428 INFO kablam! Nov 01 02:55:36.540 INFO kablam! warning: unnecessary parentheses around assigned value Nov 01 02:55:36.540 INFO kablam! --> src/test/primitive_types.rs:47:13 Nov 01 02:55:36.540 INFO kablam! | Nov 01 02:55:36.540 INFO kablam! 47 | let b = (0); // Normal zero Nov 01 02:55:36.540 INFO kablam! | ^^^ help: remove these parentheses Nov 01 02:55:36.550 INFO kablam! | Nov 01 02:55:36.550 INFO kablam! = note: #[warn(unused_parens)] on by default Nov 01 02:55:36.550 INFO kablam! Nov 01 02:55:36.601 INFO kablam! warning: unused variable: `x` Nov 01 02:55:36.601 INFO kablam! --> src/test/primitive_types.rs:3:9 Nov 01 02:55:36.601 INFO kablam! | Nov 01 02:55:36.601 INFO kablam! 3 | let x = true; Nov 01 02:55:36.601 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:36.601 INFO kablam! | Nov 01 02:55:36.601 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:36.601 INFO kablam! Nov 01 02:55:36.601 INFO kablam! warning: unused variable: `y` Nov 01 02:55:36.601 INFO kablam! --> src/test/primitive_types.rs:4:9 Nov 01 02:55:36.601 INFO kablam! | Nov 01 02:55:36.601 INFO kablam! 4 | let y: bool = false; Nov 01 02:55:36.601 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:36.601 INFO kablam! Nov 01 02:55:36.601 INFO kablam! warning: unused variable: `x` Nov 01 02:55:36.601 INFO kablam! --> src/test/primitive_types.rs:7:9 Nov 01 02:55:36.601 INFO kablam! | Nov 01 02:55:36.601 INFO kablam! 7 | let x = 'x'; Nov 01 02:55:36.602 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:36.602 INFO kablam! Nov 01 02:55:36.602 INFO kablam! warning: unused variable: `x` Nov 01 02:55:36.602 INFO kablam! --> src/test/primitive_types.rs:10:9 Nov 01 02:55:36.602 INFO kablam! | Nov 01 02:55:36.602 INFO kablam! 10 | let x = 42; // `x` has type `i32` Nov 01 02:55:36.602 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:36.602 INFO kablam! Nov 01 02:55:36.602 INFO kablam! warning: unused variable: `y` Nov 01 02:55:36.602 INFO kablam! --> src/test/primitive_types.rs:11:9 Nov 01 02:55:36.602 INFO kablam! | Nov 01 02:55:36.602 INFO kablam! 11 | let y = 1.0; // `y` has type `f64` Nov 01 02:55:36.602 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:36.602 INFO kablam! Nov 01 02:55:36.602 INFO kablam! warning: unused variable: `a` Nov 01 02:55:36.602 INFO kablam! --> src/test/primitive_types.rs:19:9 Nov 01 02:55:36.602 INFO kablam! | Nov 01 02:55:36.602 INFO kablam! 19 | let a = [1, 2, 3]; // a : [i32; 3] Nov 01 02:55:36.602 INFO kablam! | ^ help: consider using `_a` instead Nov 01 02:55:36.602 INFO kablam! Nov 01 02:55:36.604 INFO kablam! warning: unused variable: `m` Nov 01 02:55:36.604 INFO kablam! --> src/test/primitive_types.rs:20:13 Nov 01 02:55:36.604 INFO kablam! | Nov 01 02:55:36.604 INFO kablam! 20 | let mut m = [1, 2, 3]; // m : [i32; 3] Nov 01 02:55:36.604 INFO kablam! | ^ help: consider using `_m` instead Nov 01 02:55:36.604 INFO kablam! Nov 01 02:55:36.607 INFO kablam! warning: unused variable: `names` Nov 01 02:55:36.607 INFO kablam! --> src/test/primitive_types.rs:25:9 Nov 01 02:55:36.607 INFO kablam! | Nov 01 02:55:36.607 INFO kablam! 25 | let names = ["Juspreet", "Cook", "Levin"]; // names : [&str; 3] Nov 01 02:55:36.607 INFO kablam! | ^^^^^ help: consider using `_names` instead Nov 01 02:55:36.607 INFO kablam! Nov 01 02:55:36.607 INFO kablam! warning: unused variable: `b_duplicate` Nov 01 02:55:36.607 INFO kablam! --> src/test/primitive_types.rs:30:9 Nov 01 02:55:36.607 INFO kablam! | Nov 01 02:55:36.607 INFO kablam! 30 | let b_duplicate = &b[..]; // A slice containing everything in `a` Nov 01 02:55:36.607 INFO kablam! | ^^^^^^^^^^^ help: consider using `_b_duplicate` instead Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.608 INFO kablam! warning: unused variable: `middle` Nov 01 02:55:36.608 INFO kablam! --> src/test/primitive_types.rs:31:9 Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! 31 | let middle = &b[1..4]; // A slice of `a` : [1, 2, 3] Nov 01 02:55:36.608 INFO kablam! | ^^^^^^ help: consider using `_middle` instead Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.608 INFO kablam! warning: unused variable: `x` Nov 01 02:55:36.608 INFO kablam! --> src/test/primitive_types.rs:35:9 Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! 35 | let x = (1, "hello"); Nov 01 02:55:36.608 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.608 INFO kablam! warning: unused variable: `y` Nov 01 02:55:36.608 INFO kablam! --> src/test/primitive_types.rs:36:9 Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! 36 | let y: (i32, &str) = (1, "hello"); Nov 01 02:55:36.608 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.608 INFO kablam! warning: variable `x` is assigned to, but never used Nov 01 02:55:36.608 INFO kablam! --> src/test/primitive_types.rs:38:13 Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! 38 | let mut x = (1, 2); Nov 01 02:55:36.608 INFO kablam! | ^ Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! = note: consider using `_x` instead Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.608 INFO kablam! warning: value assigned to `x` is never read Nov 01 02:55:36.608 INFO kablam! --> src/test/primitive_types.rs:40:5 Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! 40 | x = y; // A tuple is assigned to another (mutable) tuple, and type-check => The same Product-Type Nov 01 02:55:36.608 INFO kablam! | ^ Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! = note: #[warn(unused_assignments)] on by default Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.608 INFO kablam! warning: unused variable: `a` Nov 01 02:55:36.608 INFO kablam! --> src/test/primitive_types.rs:46:9 Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! 46 | let a = (0,); // Tuple of arity 1 Nov 01 02:55:36.608 INFO kablam! | ^ help: consider using `_a` instead Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.608 INFO kablam! warning: unused variable: `b` Nov 01 02:55:36.608 INFO kablam! --> src/test/primitive_types.rs:47:9 Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! 47 | let b = (0); // Normal zero Nov 01 02:55:36.608 INFO kablam! | ^ help: consider using `_b` instead Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.608 INFO kablam! warning: unused variable: `x` Nov 01 02:55:36.608 INFO kablam! --> src/test/primitive_types.rs:52:9 Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! 52 | let x = tuple.0; Nov 01 02:55:36.608 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.608 INFO kablam! warning: unused variable: `y` Nov 01 02:55:36.608 INFO kablam! --> src/test/primitive_types.rs:53:9 Nov 01 02:55:36.608 INFO kablam! | Nov 01 02:55:36.608 INFO kablam! 53 | let y = tuple.1; Nov 01 02:55:36.608 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:36.608 INFO kablam! Nov 01 02:55:36.615 INFO kablam! warning: unused variable: `z` Nov 01 02:55:36.615 INFO kablam! --> src/test/primitive_types.rs:54:9 Nov 01 02:55:36.615 INFO kablam! | Nov 01 02:55:36.615 INFO kablam! 54 | let z = tuple.2; Nov 01 02:55:36.615 INFO kablam! | ^ help: consider using `_z` instead Nov 01 02:55:36.615 INFO kablam! Nov 01 02:55:36.624 INFO kablam! warning: variable does not need to be mutable Nov 01 02:55:36.624 INFO kablam! --> src/test/primitive_types.rs:20:9 Nov 01 02:55:36.624 INFO kablam! | Nov 01 02:55:36.624 INFO kablam! 20 | let mut m = [1, 2, 3]; // m : [i32; 3] Nov 01 02:55:36.624 INFO kablam! | ----^ Nov 01 02:55:36.624 INFO kablam! | | Nov 01 02:55:36.624 INFO kablam! | help: remove this `mut` Nov 01 02:55:36.624 INFO kablam! | Nov 01 02:55:36.624 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 01 02:55:36.624 INFO kablam! Nov 01 02:55:36.624 INFO kablam! warning: function is never used: `foo` Nov 01 02:55:36.624 INFO kablam! --> src/test/primitive_types.rs:57:5 Nov 01 02:55:36.624 INFO kablam! | Nov 01 02:55:36.624 INFO kablam! 57 | fn foo(x: i32) -> i32 { x } // foo : i32 -> i32 Nov 01 02:55:36.624 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^ Nov 01 02:55:36.624 INFO kablam! | Nov 01 02:55:36.624 INFO kablam! = note: #[warn(dead_code)] on by default Nov 01 02:55:36.624 INFO kablam! Nov 01 02:55:36.624 INFO kablam! warning: function is never used: `two_foo` Nov 01 02:55:36.624 INFO kablam! --> src/test/primitive_types.rs:59:5 Nov 01 02:55:36.624 INFO kablam! | Nov 01 02:55:36.624 INFO kablam! 59 | fn two_foo(x: i32, y: i32) -> i32 { x + y } // two_foo : (i32 * i32) -> i32 Nov 01 02:55:36.624 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 01 02:55:36.624 INFO kablam! Nov 01 02:55:36.900 INFO kablam! warning: unused variable: `y` Nov 01 02:55:36.900 INFO kablam! --> src/test/data_types.rs:3:9 Nov 01 02:55:36.900 INFO kablam! | Nov 01 02:55:36.900 INFO kablam! 3 | let (y, z) = (1, 2); // Binding that uses _patterns_ Nov 01 02:55:36.900 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:36.925 INFO kablam! | Nov 01 02:55:36.925 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:36.925 INFO kablam! Nov 01 02:55:36.925 INFO kablam! warning: unused variable: `z` Nov 01 02:55:36.925 INFO kablam! --> src/test/data_types.rs:3:12 Nov 01 02:55:36.925 INFO kablam! | Nov 01 02:55:36.925 INFO kablam! 3 | let (y, z) = (1, 2); // Binding that uses _patterns_ Nov 01 02:55:36.925 INFO kablam! | ^ help: consider using `_z` instead Nov 01 02:55:36.925 INFO kablam! Nov 01 02:55:36.925 INFO kablam! warning: unused variable: `k` Nov 01 02:55:36.925 INFO kablam! --> src/test/data_types.rs:4:8 Nov 01 02:55:36.925 INFO kablam! | Nov 01 02:55:36.925 INFO kablam! 4 | let k: i32 = 5; // Binding to _bind_ k to 5, with a static "int 32" type Nov 01 02:55:36.925 INFO kablam! | ^ help: consider using `_k` instead Nov 01 02:55:36.925 INFO kablam! Nov 01 02:55:36.925 INFO kablam! warning: value assigned to `xp` is never read Nov 01 02:55:36.925 INFO kablam! --> src/test/data_types.rs:11:12 Nov 01 02:55:36.925 INFO kablam! | Nov 01 02:55:36.925 INFO kablam! 11 | let mut xp = 5; Nov 01 02:55:36.925 INFO kablam! | ^^ Nov 01 02:55:36.925 INFO kablam! | Nov 01 02:55:36.925 INFO kablam! = note: #[warn(unused_assignments)] on by default Nov 01 02:55:36.925 INFO kablam! Nov 01 02:55:36.925 INFO kablam! warning: value assigned to `a` is never read Nov 01 02:55:36.925 INFO kablam! --> src/test/data_types.rs:32:12 Nov 01 02:55:36.925 INFO kablam! | Nov 01 02:55:36.925 INFO kablam! 32 | let mut a: i32 = 8; Nov 01 02:55:36.925 INFO kablam! | ^ Nov 01 02:55:36.925 INFO kablam! Nov 01 02:55:36.925 INFO kablam! warning: unused variable: `a` Nov 01 02:55:36.925 INFO kablam! --> src/test/data_types.rs:34:8 Nov 01 02:55:36.925 INFO kablam! | Nov 01 02:55:36.925 INFO kablam! 34 | let a = a; // a is now _immutable_ and *locked* to 10 (util shadowed). Nov 01 02:55:36.925 INFO kablam! | ^ help: consider using `_a` instead Nov 01 02:55:36.925 INFO kablam! Nov 01 02:55:36.925 INFO kablam! warning: unused variable: `e` Nov 01 02:55:36.925 INFO kablam! --> src/test/data_types.rs:37:8 Nov 01 02:55:36.925 INFO kablam! | Nov 01 02:55:36.925 INFO kablam! 37 | let e = 5; Nov 01 02:55:36.925 INFO kablam! | ^ help: consider using `_e` instead Nov 01 02:55:36.925 INFO kablam! Nov 01 02:55:36.925 INFO kablam! warning: unused variable: `e` Nov 01 02:55:36.925 INFO kablam! --> src/test/data_types.rs:38:8 Nov 01 02:55:36.925 INFO kablam! | Nov 01 02:55:36.925 INFO kablam! 38 | let e = "I am now a string!"; // e has changed types from i32 --> string Nov 01 02:55:36.925 INFO kablam! | ^ help: consider using `_e` instead Nov 01 02:55:36.925 INFO kablam! Nov 01 02:55:37.098 INFO kablam! warning: unused variable: `x` Nov 01 02:55:37.098 INFO kablam! --> src/test/vectors.rs:9:9 Nov 01 02:55:37.098 INFO kablam! | Nov 01 02:55:37.098 INFO kablam! 9 | let x = Box::new(5); // This is closer to the Type-Theoretic defn of `List` := Nil | Cons(T, Box(List)) Nov 01 02:55:37.098 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:37.098 INFO kablam! | Nov 01 02:55:37.098 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:37.098 INFO kablam! Nov 01 02:55:37.436 INFO kablam! warning: unused variable: `x` Nov 01 02:55:37.436 INFO kablam! --> src/test/vectors.rs:9:9 Nov 01 02:55:37.436 INFO kablam! | Nov 01 02:55:37.436 INFO kablam! 9 | let x = Box::new(5); // This is closer to the Type-Theoretic defn of `List` := Nil | Cons(T, Box(List)) Nov 01 02:55:37.436 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:37.436 INFO kablam! | Nov 01 02:55:37.436 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:37.436 INFO kablam! Nov 01 02:55:37.640 INFO kablam! warning: unnecessary parentheses around assigned value Nov 01 02:55:37.640 INFO kablam! --> src/test/primitive_types.rs:47:13 Nov 01 02:55:37.640 INFO kablam! | Nov 01 02:55:37.640 INFO kablam! 47 | let b = (0); // Normal zero Nov 01 02:55:37.640 INFO kablam! | ^^^ help: remove these parentheses Nov 01 02:55:37.640 INFO kablam! | Nov 01 02:55:37.640 INFO kablam! = note: #[warn(unused_parens)] on by default Nov 01 02:55:37.640 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `x` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:3:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 3 | let x = true; Nov 01 02:55:37.685 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `y` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:4:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 4 | let y: bool = false; Nov 01 02:55:37.685 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `x` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:7:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 7 | let x = 'x'; Nov 01 02:55:37.685 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `x` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:10:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 10 | let x = 42; // `x` has type `i32` Nov 01 02:55:37.685 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `y` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:11:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 11 | let y = 1.0; // `y` has type `f64` Nov 01 02:55:37.685 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `a` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:19:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 19 | let a = [1, 2, 3]; // a : [i32; 3] Nov 01 02:55:37.685 INFO kablam! | ^ help: consider using `_a` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `m` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:20:13 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 20 | let mut m = [1, 2, 3]; // m : [i32; 3] Nov 01 02:55:37.685 INFO kablam! | ^ help: consider using `_m` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `names` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:25:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 25 | let names = ["Juspreet", "Cook", "Levin"]; // names : [&str; 3] Nov 01 02:55:37.685 INFO kablam! | ^^^^^ help: consider using `_names` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `b_duplicate` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:30:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 30 | let b_duplicate = &b[..]; // A slice containing everything in `a` Nov 01 02:55:37.685 INFO kablam! | ^^^^^^^^^^^ help: consider using `_b_duplicate` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `middle` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:31:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 31 | let middle = &b[1..4]; // A slice of `a` : [1, 2, 3] Nov 01 02:55:37.685 INFO kablam! | ^^^^^^ help: consider using `_middle` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `x` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:35:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 35 | let x = (1, "hello"); Nov 01 02:55:37.685 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: unused variable: `y` Nov 01 02:55:37.685 INFO kablam! --> src/test/primitive_types.rs:36:9 Nov 01 02:55:37.685 INFO kablam! | Nov 01 02:55:37.685 INFO kablam! 36 | let y: (i32, &str) = (1, "hello"); Nov 01 02:55:37.685 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:37.685 INFO kablam! Nov 01 02:55:37.685 INFO kablam! warning: variable `x` is assigned to, but never used Nov 01 02:55:37.686 INFO kablam! --> src/test/primitive_types.rs:38:13 Nov 01 02:55:37.686 INFO kablam! | Nov 01 02:55:37.686 INFO kablam! 38 | let mut x = (1, 2); Nov 01 02:55:37.686 INFO kablam! | ^ Nov 01 02:55:37.686 INFO kablam! | Nov 01 02:55:37.686 INFO kablam! = note: consider using `_x` instead Nov 01 02:55:37.686 INFO kablam! Nov 01 02:55:37.686 INFO kablam! warning: value assigned to `x` is never read Nov 01 02:55:37.686 INFO kablam! --> src/test/primitive_types.rs:40:5 Nov 01 02:55:37.686 INFO kablam! | Nov 01 02:55:37.686 INFO kablam! 40 | x = y; // A tuple is assigned to another (mutable) tuple, and type-check => The same Product-Type Nov 01 02:55:37.686 INFO kablam! | ^ Nov 01 02:55:37.686 INFO kablam! | Nov 01 02:55:37.686 INFO kablam! = note: #[warn(unused_assignments)] on by default Nov 01 02:55:37.686 INFO kablam! Nov 01 02:55:37.686 INFO kablam! warning: unused variable: `a` Nov 01 02:55:37.686 INFO kablam! --> src/test/primitive_types.rs:46:9 Nov 01 02:55:37.686 INFO kablam! | Nov 01 02:55:37.686 INFO kablam! 46 | let a = (0,); // Tuple of arity 1 Nov 01 02:55:37.686 INFO kablam! | ^ help: consider using `_a` instead Nov 01 02:55:37.686 INFO kablam! Nov 01 02:55:37.686 INFO kablam! warning: unused variable: `b` Nov 01 02:55:37.686 INFO kablam! --> src/test/primitive_types.rs:47:9 Nov 01 02:55:37.686 INFO kablam! | Nov 01 02:55:37.686 INFO kablam! 47 | let b = (0); // Normal zero Nov 01 02:55:37.686 INFO kablam! | ^ help: consider using `_b` instead Nov 01 02:55:37.686 INFO kablam! Nov 01 02:55:37.686 INFO kablam! warning: unused variable: `x` Nov 01 02:55:37.686 INFO kablam! --> src/test/primitive_types.rs:52:9 Nov 01 02:55:37.686 INFO kablam! | Nov 01 02:55:37.686 INFO kablam! 52 | let x = tuple.0; Nov 01 02:55:37.686 INFO kablam! | ^ help: consider using `_x` instead Nov 01 02:55:37.686 INFO kablam! Nov 01 02:55:37.686 INFO kablam! warning: unused variable: `y` Nov 01 02:55:37.686 INFO kablam! --> src/test/primitive_types.rs:53:9 Nov 01 02:55:37.686 INFO kablam! | Nov 01 02:55:37.686 INFO kablam! 53 | let y = tuple.1; Nov 01 02:55:37.686 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:37.686 INFO kablam! Nov 01 02:55:37.686 INFO kablam! warning: unused variable: `z` Nov 01 02:55:37.686 INFO kablam! --> src/test/primitive_types.rs:54:9 Nov 01 02:55:37.686 INFO kablam! | Nov 01 02:55:37.686 INFO kablam! 54 | let z = tuple.2; Nov 01 02:55:37.686 INFO kablam! | ^ help: consider using `_z` instead Nov 01 02:55:37.686 INFO kablam! Nov 01 02:55:37.692 INFO kablam! warning: variable does not need to be mutable Nov 01 02:55:37.692 INFO kablam! --> src/test/primitive_types.rs:20:9 Nov 01 02:55:37.692 INFO kablam! | Nov 01 02:55:37.692 INFO kablam! 20 | let mut m = [1, 2, 3]; // m : [i32; 3] Nov 01 02:55:37.692 INFO kablam! | ----^ Nov 01 02:55:37.692 INFO kablam! | | Nov 01 02:55:37.692 INFO kablam! | help: remove this `mut` Nov 01 02:55:37.692 INFO kablam! | Nov 01 02:55:37.692 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 01 02:55:37.692 INFO kablam! Nov 01 02:55:37.707 INFO kablam! warning: unused variable: `y` Nov 01 02:55:37.707 INFO kablam! --> src/test/data_types.rs:3:9 Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! 3 | let (y, z) = (1, 2); // Binding that uses _patterns_ Nov 01 02:55:37.707 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:37.707 INFO kablam! Nov 01 02:55:37.707 INFO kablam! warning: unused variable: `z` Nov 01 02:55:37.707 INFO kablam! --> src/test/data_types.rs:3:12 Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! 3 | let (y, z) = (1, 2); // Binding that uses _patterns_ Nov 01 02:55:37.707 INFO kablam! | ^ help: consider using `_z` instead Nov 01 02:55:37.707 INFO kablam! Nov 01 02:55:37.707 INFO kablam! warning: unused variable: `k` Nov 01 02:55:37.707 INFO kablam! --> src/test/data_types.rs:4:8 Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! 4 | let k: i32 = 5; // Binding to _bind_ k to 5, with a static "int 32" type Nov 01 02:55:37.707 INFO kablam! | ^ help: consider using `_k` instead Nov 01 02:55:37.707 INFO kablam! Nov 01 02:55:37.707 INFO kablam! warning: value assigned to `xp` is never read Nov 01 02:55:37.707 INFO kablam! --> src/test/data_types.rs:11:12 Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! 11 | let mut xp = 5; Nov 01 02:55:37.707 INFO kablam! | ^^ Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! = note: #[warn(unused_assignments)] on by default Nov 01 02:55:37.707 INFO kablam! Nov 01 02:55:37.707 INFO kablam! warning: value assigned to `a` is never read Nov 01 02:55:37.707 INFO kablam! --> src/test/data_types.rs:32:12 Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! 32 | let mut a: i32 = 8; Nov 01 02:55:37.707 INFO kablam! | ^ Nov 01 02:55:37.707 INFO kablam! Nov 01 02:55:37.707 INFO kablam! warning: unused variable: `a` Nov 01 02:55:37.707 INFO kablam! --> src/test/data_types.rs:34:8 Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! 34 | let a = a; // a is now _immutable_ and *locked* to 10 (util shadowed). Nov 01 02:55:37.707 INFO kablam! | ^ help: consider using `_a` instead Nov 01 02:55:37.707 INFO kablam! Nov 01 02:55:37.707 INFO kablam! warning: unused variable: `e` Nov 01 02:55:37.707 INFO kablam! --> src/test/data_types.rs:37:8 Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! 37 | let e = 5; Nov 01 02:55:37.707 INFO kablam! | ^ help: consider using `_e` instead Nov 01 02:55:37.707 INFO kablam! Nov 01 02:55:37.707 INFO kablam! warning: unused variable: `e` Nov 01 02:55:37.707 INFO kablam! --> src/test/data_types.rs:38:8 Nov 01 02:55:37.707 INFO kablam! | Nov 01 02:55:37.707 INFO kablam! 38 | let e = "I am now a string!"; // e has changed types from i32 --> string Nov 01 02:55:37.707 INFO kablam! | ^ help: consider using `_e` instead Nov 01 02:55:37.707 INFO kablam! Nov 01 02:55:37.842 INFO kablam! warning: unused variable: `y` Nov 01 02:55:37.842 INFO kablam! --> src/test/conditionals_and_loops.rs:14:9 Nov 01 02:55:37.842 INFO kablam! | Nov 01 02:55:37.842 INFO kablam! 14 | let y = if x == 5 { 10 } else { 15 }; // y : i32 Nov 01 02:55:37.842 INFO kablam! | ^ help: consider using `_y` instead Nov 01 02:55:37.842 INFO kablam! | Nov 01 02:55:37.842 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 02:55:37.842 INFO kablam! Nov 01 02:55:37.908 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.66s Nov 01 02:55:37.913 INFO kablam! su: No module specific data is present Nov 01 02:55:38.380 INFO running `"docker" "rm" "-f" "e1bfc06937d2d112587082275c017a7d13f8be4c83a6482da367c97c62e9b5a5"` Nov 01 02:55:38.528 INFO blam! e1bfc06937d2d112587082275c017a7d13f8be4c83a6482da367c97c62e9b5a5