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Memory limited without swap. [INFO] [stdout] 0519eb2c1d51bde668d65d8c1f397755a7575c30afd70ddad706bb5276295bad [INFO] running `"docker" "start" "-a" "0519eb2c1d51bde668d65d8c1f397755a7575c30afd70ddad706bb5276295bad"` [INFO] [stderr] Checking dive-into-rust-of-fcc v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/ch02/third.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let b = (0); [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `dog` should have an upper camel case name [INFO] [stderr] --> src/ch02/third.rs:213:9 [INFO] [stderr] | [INFO] [stderr] 213 | dog = 1, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case: `Dog` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `cat` should have an upper camel case name [INFO] [stderr] --> src/ch02/third.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | cat = 200, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat` [INFO] [stderr] [INFO] [stderr] warning: variant `tiger` should have an upper camel case name [INFO] [stderr] --> src/ch02/third.rs:215:9 [INFO] [stderr] | [INFO] [stderr] 215 | tiger, [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `Tiger` [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/ch04/first.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 66 | let x: i32 = diverges(); [INFO] [stderr] | ---------- any code following this expression is unreachable [INFO] [stderr] 67 | let y: String = diverges(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/ch02/first.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | let mut x = 5; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `a` is never read [INFO] [stderr] --> src/ch02/first.rs:12:14 [INFO] [stderr] | [INFO] [stderr] 12 | let (mut a, mut b) = (1, 2); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> src/ch02/first.rs:12:21 [INFO] [stderr] | [INFO] [stderr] 12 | let (mut a, mut b) = (1, 2); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `var2` [INFO] [stderr] --> src/ch02/second.rs:188:9 [INFO] [stderr] | [INFO] [stderr] 188 | let var2: i16 = var1 as i16; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_var2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/ch02/second.rs:190:9 [INFO] [stderr] | [INFO] [stderr] 190 | let a = "some string"; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ch02/third.rs:132:11 [INFO] [stderr] | [INFO] [stderr] 132 | fn f1(value: Inches) {} [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ch02/third.rs:133:11 [INFO] [stderr] | [INFO] [stderr] 133 | fn f2(value: i32) {} [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/ch02/third.rs:203:9 [INFO] [stderr] | [INFO] [stderr] 203 | let x: Message = Message::Move { x: 3, y: 4 }; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/ch02/third.rs:210:9 [INFO] [stderr] | [INFO] [stderr] 210 | let y: BoardGameTurn = BoardGameTurn::Move { squares: 1 }; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/ch03/first.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | let mut x: i32 = 1; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around assigned value [INFO] [stderr] --> src/ch02/third.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | let b = (0); [INFO] [stderr] | ^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `dog` should have an upper camel case name [INFO] [stderr] --> src/ch02/third.rs:213:9 [INFO] [stderr] | [INFO] [stderr] 213 | dog = 1, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case: `Dog` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant `cat` should have an upper camel case name [INFO] [stderr] --> src/ch02/third.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | cat = 200, [INFO] [stderr] | ^^^ help: convert the identifier to upper camel case (notice the capitalization): `Cat` [INFO] [stderr] [INFO] [stderr] warning: variant `tiger` should have an upper camel case name [INFO] [stderr] --> src/ch02/third.rs:215:9 [INFO] [stderr] | [INFO] [stderr] 215 | tiger, [INFO] [stderr] | ^^^^^ help: convert the identifier to upper camel case: `Tiger` [INFO] [stderr] [INFO] [stderr] warning: variable `func` is assigned to, but never used [INFO] [stderr] --> src/ch04/first.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | let mut func: fn((i32, i32)) -> i32 = add1; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_func` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `func` is never read [INFO] [stderr] --> src/ch04/first.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | func = add2; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/ch04/first.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let x: i32 = diverges(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/ch04/first.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let y: String = diverges(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/ch04/first.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let p = if x != 100 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/ch05/first.rs:79:9 [INFO] [stderr] | [INFO] [stderr] 79 | let c = Circle { radius: 2f64 }; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/ch05/first.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | let c = Circle { radius: 2f64 }; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Double` [INFO] [stderr] --> src/ch02/first.rs:113:1 [INFO] [stderr] | [INFO] [stderr] 113 | type Double = (T, Vec); // Double <=> (i32, Vec) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `FLAG` [INFO] [stderr] --> src/ch02/first.rs:158:5 [INFO] [stderr] | [INFO] [stderr] 158 | static FLAG: AtomicBool = AtomicBool::new(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Fool` [INFO] [stderr] --> src/ch02/third.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | struct Fool; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Foo2` [INFO] [stderr] --> src/ch02/third.rs:81:12 [INFO] [stderr] | [INFO] [stderr] 81 | struct Foo2(); [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Foo3` [INFO] [stderr] --> src/ch02/third.rs:82:12 [INFO] [stderr] | [INFO] [stderr] 82 | struct Foo3 {} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Color` [INFO] [stderr] --> src/ch02/third.rs:89:12 [INFO] [stderr] | [INFO] [stderr] 89 | struct Color(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/ch02/third.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | struct Point(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Inches` [INFO] [stderr] --> src/ch02/third.rs:131:12 [INFO] [stderr] | [INFO] [stderr] 131 | struct Inches(i32); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `f1` [INFO] [stderr] --> src/ch02/third.rs:132:8 [INFO] [stderr] | [INFO] [stderr] 132 | fn f1(value: Inches) {} [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Float` [INFO] [stderr] --> src/ch02/third.rs:163:9 [INFO] [stderr] | [INFO] [stderr] 163 | Float(f32), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quit` [INFO] [stderr] --> src/ch02/third.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ChangeColor` [INFO] [stderr] --> src/ch02/third.rs:198:9 [INFO] [stderr] | [INFO] [stderr] 198 | ChangeColor(i32, i32, i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/ch02/third.rs:199:16 [INFO] [stderr] | [INFO] [stderr] 199 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/ch02/third.rs:199:24 [INFO] [stderr] | [INFO] [stderr] 199 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Write` [INFO] [stderr] --> src/ch02/third.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | Write(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `squares` [INFO] [stderr] --> src/ch02/third.rs:206:16 [INFO] [stderr] | [INFO] [stderr] 206 | Move { squares: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Pass` [INFO] [stderr] --> src/ch02/third.rs:207:9 [INFO] [stderr] | [INFO] [stderr] 207 | Pass, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `dog` [INFO] [stderr] --> src/ch02/third.rs:213:9 [INFO] [stderr] | [INFO] [stderr] 213 | dog = 1, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `cat` [INFO] [stderr] --> src/ch02/third.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | cat = 200, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Recursive` [INFO] [stderr] --> src/ch02/third.rs:244:12 [INFO] [stderr] | [INFO] [stderr] 244 | struct Recursive { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_radius` [INFO] [stderr] --> src/ch05/first.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fn get_radius(&self) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable statement [INFO] [stderr] --> src/ch04/first.rs:67:5 [INFO] [stderr] | [INFO] [stderr] 66 | let x: i32 = diverges(); [INFO] [stderr] | ---------- any code following this expression is unreachable [INFO] [stderr] 67 | let y: String = diverges(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/ch02/first.rs:8:13 [INFO] [stderr] | [INFO] [stderr] 8 | let mut x = 5; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `a` is never read [INFO] [stderr] --> src/ch02/first.rs:12:14 [INFO] [stderr] | [INFO] [stderr] 12 | let (mut a, mut b) = (1, 2); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `b` is never read [INFO] [stderr] --> src/ch02/first.rs:12:21 [INFO] [stderr] | [INFO] [stderr] 12 | let (mut a, mut b) = (1, 2); [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `var2` [INFO] [stderr] --> src/ch02/second.rs:188:9 [INFO] [stderr] | [INFO] [stderr] 188 | let var2: i16 = var1 as i16; [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_var2` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> src/ch02/second.rs:190:9 [INFO] [stderr] | [INFO] [stderr] 190 | let a = "some string"; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ch02/third.rs:132:11 [INFO] [stderr] | [INFO] [stderr] 132 | fn f1(value: Inches) {} [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/ch02/third.rs:133:11 [INFO] [stderr] | [INFO] [stderr] 133 | fn f2(value: i32) {} [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/ch02/third.rs:203:9 [INFO] [stderr] | [INFO] [stderr] 203 | let x: Message = Message::Move { x: 3, y: 4 }; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/ch02/third.rs:210:9 [INFO] [stderr] | [INFO] [stderr] 210 | let y: BoardGameTurn = BoardGameTurn::Move { squares: 1 }; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `x` is never read [INFO] [stderr] --> src/ch03/first.rs:60:13 [INFO] [stderr] | [INFO] [stderr] 60 | let mut x: i32 = 1; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable `func` is assigned to, but never used [INFO] [stderr] --> src/ch04/first.rs:27:13 [INFO] [stderr] | [INFO] [stderr] 27 | let mut func: fn((i32, i32)) -> i32 = add1; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_func` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `func` is never read [INFO] [stderr] --> src/ch04/first.rs:28:5 [INFO] [stderr] | [INFO] [stderr] 28 | func = add2; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/ch04/first.rs:66:9 [INFO] [stderr] | [INFO] [stderr] 66 | let x: i32 = diverges(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/ch04/first.rs:67:9 [INFO] [stderr] | [INFO] [stderr] 67 | let y: String = diverges(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `p` [INFO] [stderr] --> src/ch04/first.rs:69:9 [INFO] [stderr] | [INFO] [stderr] 69 | let p = if x != 100 { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_p` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/ch05/first.rs:79:9 [INFO] [stderr] | [INFO] [stderr] 79 | let c = Circle { radius: 2f64 }; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/ch05/first.rs:104:9 [INFO] [stderr] | [INFO] [stderr] 104 | let c = Circle { radius: 2f64 }; [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `Double` [INFO] [stderr] --> src/ch02/first.rs:113:1 [INFO] [stderr] | [INFO] [stderr] 113 | type Double = (T, Vec); // Double <=> (i32, Vec) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: static item is never used: `FLAG` [INFO] [stderr] --> src/ch02/first.rs:158:5 [INFO] [stderr] | [INFO] [stderr] 158 | static FLAG: AtomicBool = AtomicBool::new(true); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Fool` [INFO] [stderr] --> src/ch02/third.rs:80:12 [INFO] [stderr] | [INFO] [stderr] 80 | struct Fool; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Foo2` [INFO] [stderr] --> src/ch02/third.rs:81:12 [INFO] [stderr] | [INFO] [stderr] 81 | struct Foo2(); [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Foo3` [INFO] [stderr] --> src/ch02/third.rs:82:12 [INFO] [stderr] | [INFO] [stderr] 82 | struct Foo3 {} [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Color` [INFO] [stderr] --> src/ch02/third.rs:89:12 [INFO] [stderr] | [INFO] [stderr] 89 | struct Color(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Point` [INFO] [stderr] --> src/ch02/third.rs:90:12 [INFO] [stderr] | [INFO] [stderr] 90 | struct Point(i32, i32, i32); [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Inches` [INFO] [stderr] --> src/ch02/third.rs:131:12 [INFO] [stderr] | [INFO] [stderr] 131 | struct Inches(i32); [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `f1` [INFO] [stderr] --> src/ch02/third.rs:132:8 [INFO] [stderr] | [INFO] [stderr] 132 | fn f1(value: Inches) {} [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Float` [INFO] [stderr] --> src/ch02/third.rs:163:9 [INFO] [stderr] | [INFO] [stderr] 163 | Float(f32), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Quit` [INFO] [stderr] --> src/ch02/third.rs:197:9 [INFO] [stderr] | [INFO] [stderr] 197 | Quit, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ChangeColor` [INFO] [stderr] --> src/ch02/third.rs:198:9 [INFO] [stderr] | [INFO] [stderr] 198 | ChangeColor(i32, i32, i32), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `x` [INFO] [stderr] --> src/ch02/third.rs:199:16 [INFO] [stderr] | [INFO] [stderr] 199 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `y` [INFO] [stderr] --> src/ch02/third.rs:199:24 [INFO] [stderr] | [INFO] [stderr] 199 | Move { x: i32, y: i32 }, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Write` [INFO] [stderr] --> src/ch02/third.rs:200:9 [INFO] [stderr] | [INFO] [stderr] 200 | Write(String), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `squares` [INFO] [stderr] --> src/ch02/third.rs:206:16 [INFO] [stderr] | [INFO] [stderr] 206 | Move { squares: i32 }, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Pass` [INFO] [stderr] --> src/ch02/third.rs:207:9 [INFO] [stderr] | [INFO] [stderr] 207 | Pass, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `dog` [INFO] [stderr] --> src/ch02/third.rs:213:9 [INFO] [stderr] | [INFO] [stderr] 213 | dog = 1, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `cat` [INFO] [stderr] --> src/ch02/third.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | cat = 200, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Recursive` [INFO] [stderr] --> src/ch02/third.rs:244:12 [INFO] [stderr] | [INFO] [stderr] 244 | struct Recursive { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_radius` [INFO] [stderr] --> src/ch05/first.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fn get_radius(&self) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main2_1` [INFO] [stderr] --> src/main.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn main2_1() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main2_2` [INFO] [stderr] --> src/main.rs:21:4 [INFO] [stderr] | [INFO] [stderr] 21 | fn main2_2() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main2_3` [INFO] [stderr] --> src/main.rs:30:4 [INFO] [stderr] | [INFO] [stderr] 30 | fn main2_3() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main3_1` [INFO] [stderr] --> src/main.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn main3_1() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main3_2` [INFO] [stderr] --> src/main.rs:47:4 [INFO] [stderr] | [INFO] [stderr] 47 | fn main3_2() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main4_1` [INFO] [stderr] --> src/main.rs:56:4 [INFO] [stderr] | [INFO] [stderr] 56 | fn main4_1() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main2_1` [INFO] [stderr] --> src/main.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn main2_1() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main2_2` [INFO] [stderr] --> src/main.rs:21:4 [INFO] [stderr] | [INFO] [stderr] 21 | fn main2_2() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main2_3` [INFO] [stderr] --> src/main.rs:30:4 [INFO] [stderr] | [INFO] [stderr] 30 | fn main2_3() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main3_1` [INFO] [stderr] --> src/main.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn main3_1() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main3_2` [INFO] [stderr] --> src/main.rs:47:4 [INFO] [stderr] | [INFO] [stderr] 47 | fn main3_2() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `main4_1` [INFO] [stderr] --> src/main.rs:56:4 [INFO] [stderr] | [INFO] [stderr] 56 | fn main4_1() { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.24s [INFO] running `"docker" "inspect" "0519eb2c1d51bde668d65d8c1f397755a7575c30afd70ddad706bb5276295bad"` [INFO] running `"docker" "rm" "-f" "0519eb2c1d51bde668d65d8c1f397755a7575c30afd70ddad706bb5276295bad"` [INFO] [stdout] 0519eb2c1d51bde668d65d8c1f397755a7575c30afd70ddad706bb5276295bad