Nov 17 21:09:59.806 INFO testing tao-of-rust-0.1.0 against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 21:09:59.806 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 17 21:10:00.019 INFO [stdout] 0fa540d39d5a88e8ee3c6b6acf1905aef1360de8655be1a9217aceba2a345c67
Nov 17 21:10:00.021 INFO running `"docker" "start" "-a" "0fa540d39d5a88e8ee3c6b6acf1905aef1360de8655be1a9217aceba2a345c67"`
Nov 17 21:10:00.602 INFO [stderr] usermod: no changes
Nov 17 21:10:00.673 INFO [stderr]    Compiling structopt-derive v0.2.13
Nov 17 21:10:00.674 INFO [stderr]    Compiling failures_crate v0.1.0
Nov 17 21:10:06.127 INFO [stderr]    Compiling structopt v0.2.13
Nov 17 21:10:07.075 INFO [stderr]    Compiling csv_challenge v0.1.0
Nov 17 21:10:08.366 INFO [stderr]    Compiling tao-of-rust v0.1.0 (/source)
Nov 17 21:10:10.191 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 17 21:10:10.191 INFO [stderr]    --> src/ch2/primitives.rs:170:14
Nov 17 21:10:10.191 INFO [stderr]     |
Nov 17 21:10:10.191 INFO [stderr] 170 |     for i in (1..5) {
Nov 17 21:10:10.191 INFO [stderr]     |              ^^^^^^ help: remove these parentheses
Nov 17 21:10:10.191 INFO [stderr]     |
Nov 17 21:10:10.191 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 17 21:10:10.191 INFO [stderr] 
Nov 17 21:10:10.191 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 17 21:10:10.191 INFO [stderr]    --> src/ch2/primitives.rs:173:14
Nov 17 21:10:10.191 INFO [stderr]     |
Nov 17 21:10:10.191 INFO [stderr] 173 |     for i in (1..=5) {
Nov 17 21:10:10.191 INFO [stderr]     |              ^^^^^^^ help: remove these parentheses
Nov 17 21:10:10.191 INFO [stderr] 
Nov 17 21:10:10.191 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 21:10:10.191 INFO [stderr]   --> src/ch2/structs.rs:58:23
Nov 17 21:10:10.191 INFO [stderr]    |
Nov 17 21:10:10.191 INFO [stderr] 58 |       let gender = if (self.gender == 1) {"boy"} else {"girl"};
Nov 17 21:10:10.191 INFO [stderr]    |                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 21:10:10.191 INFO [stderr] 
Nov 17 21:10:10.827 INFO [stderr] warning: unused variable: `a`
Nov 17 21:10:10.827 INFO [stderr]   --> src/ch2/binding.rs:31:9
Nov 17 21:10:10.827 INFO [stderr]    |
Nov 17 21:10:10.827 INFO [stderr] 31 |     let a = 1;
Nov 17 21:10:10.827 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 17 21:10:10.827 INFO [stderr]    |
Nov 17 21:10:10.827 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 21:10:10.827 INFO [stderr] 
Nov 17 21:10:10.827 INFO [stderr] warning: variable `b` is assigned to, but never used
Nov 17 21:10:10.827 INFO [stderr]   --> src/ch2/binding.rs:33:13
Nov 17 21:10:10.827 INFO [stderr]    |
Nov 17 21:10:10.828 INFO [stderr] 33 |     let mut b = 2;
Nov 17 21:10:10.828 INFO [stderr]    |             ^
Nov 17 21:10:10.828 INFO [stderr]    |
Nov 17 21:10:10.828 INFO [stderr]    = note: consider using `_b` instead
Nov 17 21:10:10.828 INFO [stderr] 
Nov 17 21:10:10.828 INFO [stderr] warning: value assigned to `b` is never read
Nov 17 21:10:10.828 INFO [stderr]   --> src/ch2/binding.rs:34:5
Nov 17 21:10:10.828 INFO [stderr]    |
Nov 17 21:10:10.828 INFO [stderr] 34 |     b = 3; // mutable
Nov 17 21:10:10.828 INFO [stderr]    |     ^
Nov 17 21:10:10.828 INFO [stderr]    |
Nov 17 21:10:10.828 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 21:10:10.828 INFO [stderr] 
Nov 17 21:10:10.828 INFO [stderr] warning: unused variable: `v2`
Nov 17 21:10:10.828 INFO [stderr]   --> src/ch2/collections.rs:31:13
Nov 17 21:10:10.828 INFO [stderr]    |
Nov 17 21:10:10.828 INFO [stderr] 31 |     let mut v2 = vec![0; 10];
Nov 17 21:10:10.828 INFO [stderr]    |             ^^ help: consider using `_v2` instead
Nov 17 21:10:10.828 INFO [stderr] 
Nov 17 21:10:10.828 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:10.828 INFO [stderr]   --> src/ch2/primitives.rs:17:9
Nov 17 21:10:10.828 INFO [stderr]    |
Nov 17 21:10:10.828 INFO [stderr] 17 |     let x = true;
Nov 17 21:10:10.829 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 17 21:10:10.829 INFO [stderr] 
Nov 17 21:10:10.829 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:10.829 INFO [stderr]   --> src/ch2/primitives.rs:52:9
Nov 17 21:10:10.829 INFO [stderr]    |
Nov 17 21:10:10.829 INFO [stderr] 52 |     let num = 42u32;
Nov 17 21:10:10.829 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:10.829 INFO [stderr] 
Nov 17 21:10:10.829 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:10.829 INFO [stderr]   --> src/ch2/primitives.rs:53:9
Nov 17 21:10:10.829 INFO [stderr]    |
Nov 17 21:10:10.829 INFO [stderr] 53 |     let num: u32 = 42;
Nov 17 21:10:10.829 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:10.829 INFO [stderr] 
Nov 17 21:10:10.829 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:10.831 INFO [stderr]   --> src/ch2/primitives.rs:54:9
Nov 17 21:10:10.831 INFO [stderr]    |
Nov 17 21:10:10.831 INFO [stderr] 54 |     let num = 0x2A;  // 16进制
Nov 17 21:10:10.831 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:10.832 INFO [stderr] 
Nov 17 21:10:10.832 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:10.832 INFO [stderr]   --> src/ch2/primitives.rs:55:9
Nov 17 21:10:10.832 INFO [stderr]    |
Nov 17 21:10:10.832 INFO [stderr] 55 |     let num = 0o106;  // 8进制
Nov 17 21:10:10.832 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:10.832 INFO [stderr] 
Nov 17 21:10:10.832 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:10.832 INFO [stderr]   --> src/ch2/primitives.rs:56:9
Nov 17 21:10:10.832 INFO [stderr]    |
Nov 17 21:10:10.832 INFO [stderr] 56 |     let num = 0b1101_1011; // 2进制
Nov 17 21:10:10.832 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:10.832 INFO [stderr] 
Nov 17 21:10:10.832 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:10.832 INFO [stderr]   --> src/ch2/primitives.rs:59:9
Nov 17 21:10:10.832 INFO [stderr]    |
Nov 17 21:10:10.832 INFO [stderr] 59 |     let num = 3.1415926f64;
Nov 17 21:10:10.832 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:10.832 INFO [stderr] 
Nov 17 21:10:10.832 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:10.832 INFO [stderr]   --> src/ch2/primitives.rs:94:9
Nov 17 21:10:10.832 INFO [stderr]    |
Nov 17 21:10:10.832 INFO [stderr] 94 |     let x = 'r';
Nov 17 21:10:10.832 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 17 21:10:10.832 INFO [stderr] 
Nov 17 21:10:10.833 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:10.833 INFO [stderr]   --> src/ch2/primitives.rs:95:9
Nov 17 21:10:10.833 INFO [stderr]    |
Nov 17 21:10:10.833 INFO [stderr] 95 |     let x = 'Ú';
Nov 17 21:10:10.833 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 17 21:10:10.833 INFO [stderr] 
Nov 17 21:10:10.833 INFO [stderr] warning: unused variable: `arr`
Nov 17 21:10:10.833 INFO [stderr]    --> src/ch2/primitives.rs:128:9
Nov 17 21:10:10.833 INFO [stderr]     |
Nov 17 21:10:10.833 INFO [stderr] 128 |     let arr: [i32; 3] = [1, 2, 3];
Nov 17 21:10:10.833 INFO [stderr]     |         ^^^ help: consider using `_arr` instead
Nov 17 21:10:10.833 INFO [stderr] 
Nov 17 21:10:10.833 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:10.833 INFO [stderr]    --> src/ch2/primitives.rs:350:9
Nov 17 21:10:10.833 INFO [stderr]     |
Nov 17 21:10:10.833 INFO [stderr] 350 |     let x: ! = {
Nov 17 21:10:10.833 INFO [stderr]     |         ^ help: consider using `_x` instead
Nov 17 21:10:10.833 INFO [stderr] 
Nov 17 21:10:10.833 INFO [stderr] warning: unused variable: `i`
Nov 17 21:10:10.833 INFO [stderr]   --> src/ch3/tag_trait.rs:53:27
Nov 17 21:10:10.833 INFO [stderr]    |
Nov 17 21:10:10.833 INFO [stderr] 53 |     fn test_copy<T: Copy>(i: T) {
Nov 17 21:10:10.834 INFO [stderr]    |                           ^ help: consider using `_i` instead
Nov 17 21:10:10.834 INFO [stderr] 
Nov 17 21:10:10.834 INFO [stderr] warning: unused variable: `y`
Nov 17 21:10:10.834 INFO [stderr]   --> src/ch3/type_cast.rs:71:9
Nov 17 21:10:10.834 INFO [stderr]    |
Nov 17 21:10:10.834 INFO [stderr] 71 |     let y = x.clone();  // Rc<&str>
Nov 17 21:10:10.834 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 17 21:10:10.834 INFO [stderr] 
Nov 17 21:10:10.834 INFO [stderr] warning: unused variable: `z`
Nov 17 21:10:10.834 INFO [stderr]   --> src/ch3/type_cast.rs:72:9
Nov 17 21:10:10.834 INFO [stderr]    |
Nov 17 21:10:10.834 INFO [stderr] 72 |     let z = (*x).clone();   // &str
Nov 17 21:10:10.834 INFO [stderr]    |         ^ help: consider using `_z` instead
Nov 17 21:10:10.834 INFO [stderr] 
Nov 17 21:10:10.834 INFO [stderr] warning: unused variable: `y`
Nov 17 21:10:10.834 INFO [stderr]   --> src/ch4/general_concepts.rs:18:13
Nov 17 21:10:10.834 INFO [stderr]    |
Nov 17 21:10:10.834 INFO [stderr] 18 |         let y = x;
Nov 17 21:10:10.835 INFO [stderr]    |             ^ help: consider using `_y` instead
Nov 17 21:10:10.835 INFO [stderr] 
Nov 17 21:10:10.835 INFO [stderr] warning: unused variable: `z`
Nov 17 21:10:10.835 INFO [stderr]   --> src/ch4/general_concepts.rs:19:13
Nov 17 21:10:10.835 INFO [stderr]    |
Nov 17 21:10:10.835 INFO [stderr] 19 |         let z = 100;
Nov 17 21:10:10.835 INFO [stderr]    |             ^ help: consider using `_z` instead
Nov 17 21:10:10.835 INFO [stderr] 
Nov 17 21:10:10.835 INFO [stderr] warning: unused variable: `s`
Nov 17 21:10:10.835 INFO [stderr]   --> src/ch4/raii.rs:14:13
Nov 17 21:10:10.835 INFO [stderr]    |
Nov 17 21:10:10.835 INFO [stderr] 14 |         let s = String::from("hello");
Nov 17 21:10:10.835 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 17 21:10:10.835 INFO [stderr] 
Nov 17 21:10:10.835 INFO [stderr] warning: unused variable: `v`
Nov 17 21:10:10.835 INFO [stderr]   --> src/ch4/raii.rs:16:13
Nov 17 21:10:10.836 INFO [stderr]    |
Nov 17 21:10:10.836 INFO [stderr] 16 |         let v = vec![1,2,3];
Nov 17 21:10:10.836 INFO [stderr]    |             ^ help: consider using `_v` instead
Nov 17 21:10:10.836 INFO [stderr] 
Nov 17 21:10:10.836 INFO [stderr] warning: unused variable: `stolen`
Nov 17 21:10:10.836 INFO [stderr]   --> src/ch5/semantic.rs:30:13
Nov 17 21:10:10.836 INFO [stderr]    |
Nov 17 21:10:10.836 INFO [stderr] 30 |         let stolen = orig;
Nov 17 21:10:10.836 INFO [stderr]    |             ^^^^^^ help: consider using `_stolen` instead
Nov 17 21:10:10.836 INFO [stderr] 
Nov 17 21:10:10.836 INFO [stderr] warning: unused variable: `b`
Nov 17 21:10:10.836 INFO [stderr]    --> src/ch5/semantic.rs:113:13
Nov 17 21:10:10.836 INFO [stderr]     |
Nov 17 21:10:10.836 INFO [stderr] 113 |         let b = a;
Nov 17 21:10:10.836 INFO [stderr]     |             ^ help: consider using `_b` instead
Nov 17 21:10:10.836 INFO [stderr] 
Nov 17 21:10:10.837 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:10.837 INFO [stderr]   --> src/ch5/share_mutable.rs:22:13
Nov 17 21:10:10.837 INFO [stderr]    |
Nov 17 21:10:10.837 INFO [stderr] 22 |         let x = "hello".to_string();
Nov 17 21:10:10.837 INFO [stderr]    |             ^ help: consider using `_x` instead
Nov 17 21:10:10.837 INFO [stderr] 
Nov 17 21:10:10.837 INFO [stderr] warning: unused variable: `a`
Nov 17 21:10:10.837 INFO [stderr]    --> src/ch5/share_mutable.rs:133:13
Nov 17 21:10:10.837 INFO [stderr]     |
Nov 17 21:10:10.837 INFO [stderr] 133 |         let a = "hello";   // -------scope a-------+
Nov 17 21:10:10.837 INFO [stderr]     |             ^ help: consider using `_a` instead
Nov 17 21:10:10.837 INFO [stderr] 
Nov 17 21:10:10.837 INFO [stderr] warning: unused variable: `b`
Nov 17 21:10:10.837 INFO [stderr]    --> src/ch5/share_mutable.rs:134:13
Nov 17 21:10:10.837 INFO [stderr]     |
Nov 17 21:10:10.837 INFO [stderr] 134 |         let b = "rust";    // -----scope b------+  |
Nov 17 21:10:10.838 INFO [stderr]     |             ^ help: consider using `_b` instead
Nov 17 21:10:10.838 INFO [stderr] 
Nov 17 21:10:10.838 INFO [stderr] warning: unused variable: `d`
Nov 17 21:10:10.838 INFO [stderr]    --> src/ch5/share_mutable.rs:136:13
Nov 17 21:10:10.838 INFO [stderr]     |
Nov 17 21:10:10.838 INFO [stderr] 136 |         let d = c;         // - scope d ---  |  |  |
Nov 17 21:10:10.838 INFO [stderr]     |             ^ help: consider using `_d` instead
Nov 17 21:10:10.838 INFO [stderr] 
Nov 17 21:10:10.838 INFO [stderr] warning: unused variable: `p`
Nov 17 21:10:10.838 INFO [stderr]    --> src/ch3/traits.rs:246:28
Nov 17 21:10:10.838 INFO [stderr]     |
Nov 17 21:10:10.838 INFO [stderr] 246 |         fn set_page(&self, p: i32){
Nov 17 21:10:10.838 INFO [stderr]     |                            ^ help: consider using `_p` instead
Nov 17 21:10:10.838 INFO [stderr] 
Nov 17 21:10:10.842 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:10.843 INFO [stderr]    --> src/ch3/traits.rs:251:31
Nov 17 21:10:10.843 INFO [stderr]     |
Nov 17 21:10:10.843 INFO [stderr] 251 |         fn set_perpage(&self, num: i32){
Nov 17 21:10:10.843 INFO [stderr]     |                               ^^^ help: consider using `_num` instead
Nov 17 21:10:10.843 INFO [stderr] 
Nov 17 21:10:10.843 INFO [stderr] warning: unused variable: `args`
Nov 17 21:10:10.843 INFO [stderr]    --> src/ch6/closures.rs:130:47
Nov 17 21:10:10.843 INFO [stderr]     |
Nov 17 21:10:10.843 INFO [stderr] 130 |         extern "rust-call" fn call_once(self, args: ()) -> u32 {
Nov 17 21:10:10.843 INFO [stderr]     |                                               ^^^^ help: consider using `_args` instead
Nov 17 21:10:10.843 INFO [stderr] 
Nov 17 21:10:10.843 INFO [stderr] warning: unused variable: `args`
Nov 17 21:10:10.843 INFO [stderr]    --> src/ch6/closures.rs:136:51
Nov 17 21:10:10.843 INFO [stderr]     |
Nov 17 21:10:10.843 INFO [stderr] 136 |         extern "rust-call" fn call_mut(&mut self, args: ()) -> u32 {
Nov 17 21:10:10.843 INFO [stderr]     |                                                   ^^^^ help: consider using `_args` instead
Nov 17 21:10:10.843 INFO [stderr] 
Nov 17 21:10:10.843 INFO [stderr] warning: unused variable: `args`
Nov 17 21:10:10.843 INFO [stderr]    --> src/ch6/closures.rs:142:43
Nov 17 21:10:10.843 INFO [stderr]     |
Nov 17 21:10:10.843 INFO [stderr] 142 |         extern "rust-call" fn call(&self, args: ()) -> u32 {
Nov 17 21:10:10.843 INFO [stderr]     |                                           ^^^^ help: consider using `_args` instead
Nov 17 21:10:10.843 INFO [stderr] 
Nov 17 21:10:10.868 INFO [stderr] warning: variable does not need to be mutable
Nov 17 21:10:10.869 INFO [stderr]   --> src/ch2/collections.rs:31:9
Nov 17 21:10:10.869 INFO [stderr]    |
Nov 17 21:10:10.869 INFO [stderr] 31 |     let mut v2 = vec![0; 10];
Nov 17 21:10:10.869 INFO [stderr]    |         ----^^
Nov 17 21:10:10.869 INFO [stderr]    |         |
Nov 17 21:10:10.869 INFO [stderr]    |         help: remove this `mut`
Nov 17 21:10:10.869 INFO [stderr]    |
Nov 17 21:10:10.869 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 21:10:10.869 INFO [stderr] 
Nov 17 21:10:11.107 INFO [stderr] warning: function is never used: `sum`
Nov 17 21:10:11.107 INFO [stderr]   --> src/ch2/function.rs:89:1
Nov 17 21:10:11.107 INFO [stderr]    |
Nov 17 21:10:11.107 INFO [stderr] 89 | fn sum(a: i32, b: i32) -> i32 {
Nov 17 21:10:11.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.107 INFO [stderr]    |
Nov 17 21:10:11.107 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 21:10:11.107 INFO [stderr] 
Nov 17 21:10:11.107 INFO [stderr] warning: function is never used: `product`
Nov 17 21:10:11.107 INFO [stderr]   --> src/ch2/function.rs:92:1
Nov 17 21:10:11.107 INFO [stderr]    |
Nov 17 21:10:11.107 INFO [stderr] 92 | fn product(a: i32, b: i32) -> i32 {
Nov 17 21:10:11.107 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.107 INFO [stderr] 
Nov 17 21:10:11.108 INFO [stderr] warning: function is never used: `map_demo`
Nov 17 21:10:11.110 INFO [stderr]    --> src/ch2/collections.rs:169:1
Nov 17 21:10:11.110 INFO [stderr]     |
Nov 17 21:10:11.110 INFO [stderr] 169 | fn map_demo() {
Nov 17 21:10:11.110 INFO [stderr]     | ^^^^^^^^^^^^^
Nov 17 21:10:11.110 INFO [stderr] 
Nov 17 21:10:11.110 INFO [stderr] warning: function is never used: `foo`
Nov 17 21:10:11.110 INFO [stderr]    --> src/ch2/primitives.rs:349:1
Nov 17 21:10:11.110 INFO [stderr]     |
Nov 17 21:10:11.110 INFO [stderr] 349 | fn foo() -> u32 {
Nov 17 21:10:11.110 INFO [stderr]     | ^^^^^^^^^^^^^^^
Nov 17 21:10:11.110 INFO [stderr] 
Nov 17 21:10:11.110 INFO [stderr] warning: method is never used: `new`
Nov 17 21:10:11.110 INFO [stderr]   --> src/ch2/structs.rs:48:5
Nov 17 21:10:11.110 INFO [stderr]    |
Nov 17 21:10:11.110 INFO [stderr] 48 |     fn new(name: &'static str, gender: u32) -> Self{
Nov 17 21:10:11.110 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.110 INFO [stderr] 
Nov 17 21:10:11.110 INFO [stderr] warning: method is never used: `name`
Nov 17 21:10:11.110 INFO [stderr]   --> src/ch2/structs.rs:51:5
Nov 17 21:10:11.110 INFO [stderr]    |
Nov 17 21:10:11.110 INFO [stderr] 51 |     fn name(&self) {
Nov 17 21:10:11.110 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 21:10:11.110 INFO [stderr] 
Nov 17 21:10:11.110 INFO [stderr] warning: method is never used: `set_name`
Nov 17 21:10:11.110 INFO [stderr]   --> src/ch2/structs.rs:54:5
Nov 17 21:10:11.110 INFO [stderr]    |
Nov 17 21:10:11.110 INFO [stderr] 54 |     fn set_name(&mut self, name: &'static str)  {
Nov 17 21:10:11.110 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.110 INFO [stderr] 
Nov 17 21:10:11.110 INFO [stderr] warning: method is never used: `gender`
Nov 17 21:10:11.110 INFO [stderr]   --> src/ch2/structs.rs:57:5
Nov 17 21:10:11.110 INFO [stderr]    |
Nov 17 21:10:11.110 INFO [stderr] 57 |     fn gender(&self){
Nov 17 21:10:11.110 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 17 21:10:11.110 INFO [stderr] 
Nov 17 21:10:11.110 INFO [stderr] warning: field is never used: `foo`
Nov 17 21:10:11.110 INFO [stderr]   --> src/ch3/zero_size.rs:27:9
Nov 17 21:10:11.110 INFO [stderr]    |
Nov 17 21:10:11.110 INFO [stderr] 27 |         foo: Foo,
Nov 17 21:10:11.110 INFO [stderr]    |         ^^^^^^^^
Nov 17 21:10:11.110 INFO [stderr] 
Nov 17 21:10:11.110 INFO [stderr] warning: field is never used: `qux`
Nov 17 21:10:11.110 INFO [stderr]   --> src/ch3/zero_size.rs:28:9
Nov 17 21:10:11.110 INFO [stderr]    |
Nov 17 21:10:11.110 INFO [stderr] 28 |         qux: (),
Nov 17 21:10:11.111 INFO [stderr]    |         ^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: field is never used: `baz`
Nov 17 21:10:11.111 INFO [stderr]   --> src/ch3/zero_size.rs:29:9
Nov 17 21:10:11.111 INFO [stderr]    |
Nov 17 21:10:11.111 INFO [stderr] 29 |         baz: [u8; 0],
Nov 17 21:10:11.111 INFO [stderr]    |         ^^^^^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: field is never used: `page`
Nov 17 21:10:11.111 INFO [stderr]    --> src/ch3/traits.rs:262:24
Nov 17 21:10:11.111 INFO [stderr]     |
Nov 17 21:10:11.111 INFO [stderr] 262 |     struct MyPaginate{ page: i32 }
Nov 17 21:10:11.111 INFO [stderr]     |                        ^^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: field is never used: `inner`
Nov 17 21:10:11.111 INFO [stderr]    --> src/ch3/trait_limit.rs:147:9
Nov 17 21:10:11.111 INFO [stderr]     |
Nov 17 21:10:11.111 INFO [stderr] 147 |         inner: T,
Nov 17 21:10:11.111 INFO [stderr]     |         ^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: function is never used: `foo`
Nov 17 21:10:11.111 INFO [stderr]   --> src/ch4/general_concepts.rs:17:5
Nov 17 21:10:11.111 INFO [stderr]    |
Nov 17 21:10:11.111 INFO [stderr] 17 |     fn foo(x: u32) {
Nov 17 21:10:11.111 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.111 INFO [stderr]   --> src/ch4/general_concepts.rs:21:5
Nov 17 21:10:11.111 INFO [stderr]    |
Nov 17 21:10:11.111 INFO [stderr] 21 |     fn main(){
Nov 17 21:10:11.111 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: struct is never constructed: `A`
Nov 17 21:10:11.111 INFO [stderr]   --> src/ch4/general_concepts.rs:56:5
Nov 17 21:10:11.111 INFO [stderr]    |
Nov 17 21:10:11.111 INFO [stderr] 56 |     struct A {
Nov 17 21:10:11.111 INFO [stderr]    |     ^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.111 INFO [stderr]   --> src/ch4/general_concepts.rs:61:5
Nov 17 21:10:11.111 INFO [stderr]    |
Nov 17 21:10:11.111 INFO [stderr] 61 |     fn main() {
Nov 17 21:10:11.111 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: struct is never constructed: `A`
Nov 17 21:10:11.111 INFO [stderr]   --> src/ch4/general_concepts.rs:96:5
Nov 17 21:10:11.111 INFO [stderr]    |
Nov 17 21:10:11.111 INFO [stderr] 96 |     struct A {
Nov 17 21:10:11.111 INFO [stderr]    |     ^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: struct is never constructed: `B`
Nov 17 21:10:11.111 INFO [stderr]    --> src/ch4/general_concepts.rs:100:5
Nov 17 21:10:11.111 INFO [stderr]     |
Nov 17 21:10:11.111 INFO [stderr] 100 |     struct B(i32, f64, char);
Nov 17 21:10:11.111 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: struct is never constructed: `N`
Nov 17 21:10:11.111 INFO [stderr]    --> src/ch4/general_concepts.rs:101:5
Nov 17 21:10:11.111 INFO [stderr]     |
Nov 17 21:10:11.111 INFO [stderr] 101 |     struct N;
Nov 17 21:10:11.111 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: enum is never used: `E`
Nov 17 21:10:11.111 INFO [stderr]    --> src/ch4/general_concepts.rs:102:5
Nov 17 21:10:11.111 INFO [stderr]     |
Nov 17 21:10:11.111 INFO [stderr] 102 |     enum E {
Nov 17 21:10:11.111 INFO [stderr]     |     ^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: union is never used: `U`
Nov 17 21:10:11.111 INFO [stderr]    --> src/ch4/general_concepts.rs:106:5
Nov 17 21:10:11.111 INFO [stderr]     |
Nov 17 21:10:11.111 INFO [stderr] 106 |     union U {
Nov 17 21:10:11.111 INFO [stderr]     |     ^^^^^^^
Nov 17 21:10:11.111 INFO [stderr] 
Nov 17 21:10:11.111 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.111 INFO [stderr]    --> src/ch4/general_concepts.rs:110:5
Nov 17 21:10:11.111 INFO [stderr]     |
Nov 17 21:10:11.111 INFO [stderr] 110 |     fn main(){
Nov 17 21:10:11.112 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.112 INFO [stderr]   --> src/ch4/resource_management.rs:59:5
Nov 17 21:10:11.112 INFO [stderr]    |
Nov 17 21:10:11.112 INFO [stderr] 59 |     fn main() {
Nov 17 21:10:11.112 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.112 INFO [stderr]   --> src/ch4/raii.rs:13:5
Nov 17 21:10:11.112 INFO [stderr]    |
Nov 17 21:10:11.112 INFO [stderr] 13 |     fn main() {
Nov 17 21:10:11.112 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: struct is never constructed: `S`
Nov 17 21:10:11.112 INFO [stderr]   --> src/ch4/raii.rs:94:5
Nov 17 21:10:11.112 INFO [stderr]    |
Nov 17 21:10:11.112 INFO [stderr] 94 |     struct S(i32);
Nov 17 21:10:11.112 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.112 INFO [stderr]    --> src/ch4/raii.rs:100:5
Nov 17 21:10:11.112 INFO [stderr]     |
Nov 17 21:10:11.112 INFO [stderr] 100 |     fn main() {
Nov 17 21:10:11.112 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.112 INFO [stderr]   --> src/ch5/semantic.rs:27:5
Nov 17 21:10:11.112 INFO [stderr]    |
Nov 17 21:10:11.112 INFO [stderr] 27 |     fn main() {
Nov 17 21:10:11.112 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.112 INFO [stderr]    --> src/ch5/semantic.rs:111:5
Nov 17 21:10:11.112 INFO [stderr]     |
Nov 17 21:10:11.112 INFO [stderr] 111 |     fn main(){
Nov 17 21:10:11.112 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.112 INFO [stderr]   --> src/ch5/share_mutable.rs:21:5
Nov 17 21:10:11.112 INFO [stderr]    |
Nov 17 21:10:11.112 INFO [stderr] 21 |     fn main() {
Nov 17 21:10:11.112 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.112 INFO [stderr]    --> src/ch5/share_mutable.rs:132:5
Nov 17 21:10:11.112 INFO [stderr]     |
Nov 17 21:10:11.112 INFO [stderr] 132 |     fn main(){
Nov 17 21:10:11.112 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `foo`
Nov 17 21:10:11.112 INFO [stderr]   --> src/ch5/borrow.rs:31:5
Nov 17 21:10:11.112 INFO [stderr]    |
Nov 17 21:10:11.112 INFO [stderr] 31 |     fn foo(mut v: [i32; 3]) -> [i32; 3] {
Nov 17 21:10:11.112 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.112 INFO [stderr]   --> src/ch5/borrow.rs:36:5
Nov 17 21:10:11.112 INFO [stderr]    |
Nov 17 21:10:11.112 INFO [stderr] 36 |     fn main() {
Nov 17 21:10:11.112 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `bubble_sort`
Nov 17 21:10:11.112 INFO [stderr]   --> src/ch5/borrow.rs:73:5
Nov 17 21:10:11.112 INFO [stderr]    |
Nov 17 21:10:11.112 INFO [stderr] 73 |     fn bubble_sort(a: &mut Vec<i32>) {
Nov 17 21:10:11.112 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.112 INFO [stderr]   --> src/ch5/borrow.rs:90:5
Nov 17 21:10:11.112 INFO [stderr]    |
Nov 17 21:10:11.112 INFO [stderr] 90 |     fn main() {
Nov 17 21:10:11.112 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.112 INFO [stderr] 
Nov 17 21:10:11.112 INFO [stderr] warning: function is never used: `compute`
Nov 17 21:10:11.112 INFO [stderr]    --> src/ch5/borrow.rs:139:5
Nov 17 21:10:11.112 INFO [stderr]     |
Nov 17 21:10:11.112 INFO [stderr] 139 |     fn compute(input: &u32, output: &mut u32) {
Nov 17 21:10:11.112 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.113 INFO [stderr]    --> src/ch5/borrow.rs:147:5
Nov 17 21:10:11.113 INFO [stderr]     |
Nov 17 21:10:11.113 INFO [stderr] 147 |     fn main() {
Nov 17 21:10:11.113 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.113 INFO [stderr]   --> src/ch5/lifetime.rs:16:5
Nov 17 21:10:11.113 INFO [stderr]    |
Nov 17 21:10:11.113 INFO [stderr] 16 |     fn main() {
Nov 17 21:10:11.113 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.113 INFO [stderr]    --> src/ch5/lifetime.rs:239:5
Nov 17 21:10:11.113 INFO [stderr]     |
Nov 17 21:10:11.113 INFO [stderr] 239 |     fn main() {
Nov 17 21:10:11.113 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `foo`
Nov 17 21:10:11.113 INFO [stderr]    --> src/ch5/nll.rs:117:5
Nov 17 21:10:11.113 INFO [stderr]     |
Nov 17 21:10:11.113 INFO [stderr] 117 |     fn foo<'a>(x: &'a str, y: &'a str) -> &'a str {
Nov 17 21:10:11.113 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.113 INFO [stderr]    --> src/ch5/nll.rs:124:5
Nov 17 21:10:11.113 INFO [stderr]     |
Nov 17 21:10:11.113 INFO [stderr] 124 |     fn main(){
Nov 17 21:10:11.113 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.113 INFO [stderr]    --> src/ch5/nll.rs:181:5
Nov 17 21:10:11.113 INFO [stderr]     |
Nov 17 21:10:11.113 INFO [stderr] 181 |     fn main(){
Nov 17 21:10:11.113 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `modify`
Nov 17 21:10:11.113 INFO [stderr]   --> src/ch6/functions.rs:30:5
Nov 17 21:10:11.113 INFO [stderr]    |
Nov 17 21:10:11.113 INFO [stderr] 30 |     fn modify(mut v: Vec<u32>) -> Vec<u32> {
Nov 17 21:10:11.113 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.113 INFO [stderr]   --> src/ch6/functions.rs:34:5
Nov 17 21:10:11.113 INFO [stderr]    |
Nov 17 21:10:11.113 INFO [stderr] 34 |     fn main(){
Nov 17 21:10:11.113 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `f`
Nov 17 21:10:11.113 INFO [stderr]   --> src/ch6/functions.rs:71:5
Nov 17 21:10:11.113 INFO [stderr]    |
Nov 17 21:10:11.113 INFO [stderr] 71 |     fn f() { print!("1"); }
Nov 17 21:10:11.113 INFO [stderr]    |     ^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.113 INFO [stderr]   --> src/ch6/functions.rs:72:5
Nov 17 21:10:11.113 INFO [stderr]    |
Nov 17 21:10:11.113 INFO [stderr] 72 |     fn main() {
Nov 17 21:10:11.113 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: struct is never constructed: `S`
Nov 17 21:10:11.113 INFO [stderr]    --> src/ch6/functions.rs:126:5
Nov 17 21:10:11.113 INFO [stderr]     |
Nov 17 21:10:11.113 INFO [stderr] 126 |     struct S { i: i32 }
Nov 17 21:10:11.113 INFO [stderr]     |     ^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `f`
Nov 17 21:10:11.113 INFO [stderr]    --> src/ch6/functions.rs:127:5
Nov 17 21:10:11.113 INFO [stderr]     |
Nov 17 21:10:11.113 INFO [stderr] 127 |     fn f(ref _s: S) {
Nov 17 21:10:11.113 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.113 INFO [stderr]    --> src/ch6/functions.rs:130:5
Nov 17 21:10:11.113 INFO [stderr]     |
Nov 17 21:10:11.113 INFO [stderr] 130 |     fn main() {
Nov 17 21:10:11.113 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.113 INFO [stderr] 
Nov 17 21:10:11.113 INFO [stderr] warning: function is never used: `addsub`
Nov 17 21:10:11.113 INFO [stderr]    --> src/ch6/functions.rs:167:5
Nov 17 21:10:11.113 INFO [stderr]     |
Nov 17 21:10:11.113 INFO [stderr] 167 |     fn addsub(x: isize, y: isize) -> (isize, isize) {
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:170:5
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 170 |     fn main(){
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `square`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:210:5
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 210 |     fn square<T: Mul<T, Output=T>>(x: T, y: T) -> T {
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:213:5
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 213 |     fn main() {
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: struct is never constructed: `User`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:249:5
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 249 |     struct User {
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: method is never used: `show`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:254:9
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 254 |         fn show(&self)  {
Nov 17 21:10:11.114 INFO [stderr]     |         ^^^^^^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:259:5
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 259 |     fn main() {
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `math`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:399:5
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 399 |     fn math(op: fn(i32, i32) -> i32, a: i32, b: i32) -> i32{
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `sum`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:402:5
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 402 |     fn sum(a: i32, b: i32) -> i32 {
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `product`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:405:5
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 405 |     fn product(a: i32, b: i32) -> i32 {
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/functions.rs:408:5
Nov 17 21:10:11.114 INFO [stderr]     |
Nov 17 21:10:11.114 INFO [stderr] 408 |     fn main() {
Nov 17 21:10:11.114 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `counter`
Nov 17 21:10:11.114 INFO [stderr]   --> src/ch6/closures.rs:48:5
Nov 17 21:10:11.114 INFO [stderr]    |
Nov 17 21:10:11.114 INFO [stderr] 48 |     fn counter(i: i32) -> Box<Fn(i32) -> i32> {
Nov 17 21:10:11.114 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.114 INFO [stderr]   --> src/ch6/closures.rs:51:5
Nov 17 21:10:11.114 INFO [stderr]    |
Nov 17 21:10:11.114 INFO [stderr] 51 |     fn main() {
Nov 17 21:10:11.114 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.114 INFO [stderr] 
Nov 17 21:10:11.114 INFO [stderr] warning: struct is never constructed: `Closure`
Nov 17 21:10:11.114 INFO [stderr]    --> src/ch6/closures.rs:125:5
Nov 17 21:10:11.119 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 125 |     struct Closure {
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `call_it`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/closures.rs:147:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 147 |     fn call_it<F: Fn() -> u32>(f: &F) -> u32 {
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `call_it_mut`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/closures.rs:150:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 150 |     fn call_it_mut<F: FnMut() -> u32>(f: &mut F) -> u32 {
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `call_it_once`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/closures.rs:153:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 153 |     fn call_it_once<F: FnOnce() -> u32>(f: F) -> u32 {
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/closures.rs:156:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 156 |     fn main() {
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/closures.rs:352:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 352 |     fn main() {
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `boxed_closure`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/closures.rs:512:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 512 |     fn boxed_closure(c: &mut Vec<Box<Fn()>>){
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/closures.rs:518:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 518 |     fn main(){
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `bar`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/closures.rs:638:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 638 |     fn bar(b: Box<for<'f> DoSomething<&'f usize>>) {
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/closures.rs:642:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 642 |     fn main(){
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.120 INFO [stderr] 
Nov 17 21:10:11.120 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.120 INFO [stderr]    --> src/ch6/iters.rs:373:5
Nov 17 21:10:11.120 INFO [stderr]     |
Nov 17 21:10:11.120 INFO [stderr] 373 |     fn main(){
Nov 17 21:10:11.120 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:11.121 INFO [stderr] 
Nov 17 21:10:11.121 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.121 INFO [stderr]   --> src/ch7/structs.rs:48:5
Nov 17 21:10:11.121 INFO [stderr]    |
Nov 17 21:10:11.121 INFO [stderr] 48 |     fn main(){
Nov 17 21:10:11.121 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:11.121 INFO [stderr] 
Nov 17 21:10:11.121 INFO [stderr] warning: function is never used: `hello`
Nov 17 21:10:11.121 INFO [stderr]   --> src/appendix/mod.rs:16:1
Nov 17 21:10:11.121 INFO [stderr]    |
Nov 17 21:10:11.121 INFO [stderr] 16 | fn hello(){
Nov 17 21:10:11.121 INFO [stderr]    | ^^^^^^^^^^
Nov 17 21:10:11.121 INFO [stderr] 
Nov 17 21:10:11.121 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:11.121 INFO [stderr]    --> src/appendix/lldb.rs:147:1
Nov 17 21:10:11.121 INFO [stderr]     |
Nov 17 21:10:11.121 INFO [stderr] 147 | fn main()
Nov 17 21:10:11.121 INFO [stderr]     | ^^^^^^^^^
Nov 17 21:10:11.121 INFO [stderr] 
Nov 17 21:10:11.121 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Nov 17 21:10:11.121 INFO [stderr]    --> src/ch2/control_flow.rs:152:5
Nov 17 21:10:11.121 INFO [stderr]     |
Nov 17 21:10:11.121 INFO [stderr] 152 |     while true {
Nov 17 21:10:11.121 INFO [stderr]     |     ^^^^^^^^^^ help: use `loop`
Nov 17 21:10:11.121 INFO [stderr]     |
Nov 17 21:10:11.121 INFO [stderr]     = note: #[warn(while_true)] on by default
Nov 17 21:10:11.121 INFO [stderr] 
Nov 17 21:10:11.126 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 17 21:10:11.126 INFO [stderr]    --> src/ch5/nll.rs:184:9
Nov 17 21:10:11.126 INFO [stderr]     |
Nov 17 21:10:11.126 INFO [stderr] 184 |         a.to_string() + s;
Nov 17 21:10:11.126 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.126 INFO [stderr]     |
Nov 17 21:10:11.126 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 21:10:11.126 INFO [stderr] 
Nov 17 21:10:11.126 INFO [stderr] warning: unused attribute
Nov 17 21:10:11.126 INFO [stderr]    --> src/ch6/closures.rs:124:5
Nov 17 21:10:11.126 INFO [stderr]     |
Nov 17 21:10:11.126 INFO [stderr] 124 |     #![feature(unboxed_closures, fn_traits)]
Nov 17 21:10:11.126 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.126 INFO [stderr]     |
Nov 17 21:10:11.126 INFO [stderr]     = note: #[warn(unused_attributes)] on by default
Nov 17 21:10:11.126 INFO [stderr] 
Nov 17 21:10:11.126 INFO [stderr] warning: crate-level attribute should be in the root module
Nov 17 21:10:11.126 INFO [stderr]    --> src/ch6/closures.rs:124:5
Nov 17 21:10:11.126 INFO [stderr]     |
Nov 17 21:10:11.126 INFO [stderr] 124 |     #![feature(unboxed_closures, fn_traits)]
Nov 17 21:10:11.126 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:11.126 INFO [stderr] 
Nov 17 21:10:12.544 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.92s
Nov 17 21:10:12.550 INFO [stderr] su: No module specific data is present
Nov 17 21:10:13.063 INFO running `"docker" "inspect" "0fa540d39d5a88e8ee3c6b6acf1905aef1360de8655be1a9217aceba2a345c67"`
Nov 17 21:10:13.344 INFO running `"docker" "rm" "-f" "0fa540d39d5a88e8ee3c6b6acf1905aef1360de8655be1a9217aceba2a345c67"`
Nov 17 21:10:13.655 INFO [stdout] 0fa540d39d5a88e8ee3c6b6acf1905aef1360de8655be1a9217aceba2a345c67
Nov 17 21:10:13.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 17 21:10:14.120 INFO [stdout] 25bddba6dd30aafb801744b8adfa8456734f722a44115acef86d49ad420fbcfa
Nov 17 21:10:14.125 INFO running `"docker" "start" "-a" "25bddba6dd30aafb801744b8adfa8456734f722a44115acef86d49ad420fbcfa"`
Nov 17 21:10:15.439 INFO [stderr] usermod: no changes
Nov 17 21:10:15.586 INFO [stderr]    Compiling tao-of-rust v0.1.0 (/source)
Nov 17 21:10:17.505 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 17 21:10:17.505 INFO [stderr]    --> src/ch2/primitives.rs:170:14
Nov 17 21:10:17.505 INFO [stderr]     |
Nov 17 21:10:17.505 INFO [stderr] 170 |     for i in (1..5) {
Nov 17 21:10:17.505 INFO [stderr]     |              ^^^^^^ help: remove these parentheses
Nov 17 21:10:17.505 INFO [stderr]     |
Nov 17 21:10:17.505 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Nov 17 21:10:17.505 INFO [stderr] 
Nov 17 21:10:17.505 INFO [stderr] warning: unnecessary parentheses around `for` head expression
Nov 17 21:10:17.505 INFO [stderr]    --> src/ch2/primitives.rs:173:14
Nov 17 21:10:17.505 INFO [stderr]     |
Nov 17 21:10:17.505 INFO [stderr] 173 |     for i in (1..=5) {
Nov 17 21:10:17.505 INFO [stderr]     |              ^^^^^^^ help: remove these parentheses
Nov 17 21:10:17.505 INFO [stderr] 
Nov 17 21:10:17.505 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 21:10:17.505 INFO [stderr]   --> src/ch2/structs.rs:58:23
Nov 17 21:10:17.505 INFO [stderr]    |
Nov 17 21:10:17.505 INFO [stderr] 58 |       let gender = if (self.gender == 1) {"boy"} else {"girl"};
Nov 17 21:10:17.505 INFO [stderr]    |                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 21:10:17.505 INFO [stderr] 
Nov 17 21:10:18.215 INFO [stderr] warning: unused variable: `a`
Nov 17 21:10:18.215 INFO [stderr]   --> src/ch2/binding.rs:31:9
Nov 17 21:10:18.216 INFO [stderr]    |
Nov 17 21:10:18.216 INFO [stderr] 31 |     let a = 1;
Nov 17 21:10:18.216 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 17 21:10:18.217 INFO [stderr]    |
Nov 17 21:10:18.217 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 17 21:10:18.217 INFO [stderr] 
Nov 17 21:10:18.218 INFO [stderr] warning: variable `b` is assigned to, but never used
Nov 17 21:10:18.218 INFO [stderr]   --> src/ch2/binding.rs:33:13
Nov 17 21:10:18.218 INFO [stderr]    |
Nov 17 21:10:18.219 INFO [stderr] 33 |     let mut b = 2;
Nov 17 21:10:18.219 INFO [stderr]    |             ^
Nov 17 21:10:18.219 INFO [stderr]    |
Nov 17 21:10:18.219 INFO [stderr]    = note: consider using `_b` instead
Nov 17 21:10:18.220 INFO [stderr] 
Nov 17 21:10:18.220 INFO [stderr] warning: value assigned to `b` is never read
Nov 17 21:10:18.220 INFO [stderr]   --> src/ch2/binding.rs:34:5
Nov 17 21:10:18.220 INFO [stderr]    |
Nov 17 21:10:18.221 INFO [stderr] 34 |     b = 3; // mutable
Nov 17 21:10:18.221 INFO [stderr]    |     ^
Nov 17 21:10:18.221 INFO [stderr]    |
Nov 17 21:10:18.221 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 21:10:18.222 INFO [stderr] 
Nov 17 21:10:18.222 INFO [stderr] warning: unused variable: `v2`
Nov 17 21:10:18.222 INFO [stderr]   --> src/ch2/collections.rs:31:13
Nov 17 21:10:18.222 INFO [stderr]    |
Nov 17 21:10:18.222 INFO [stderr] 31 |     let mut v2 = vec![0; 10];
Nov 17 21:10:18.223 INFO [stderr]    |             ^^ help: consider using `_v2` instead
Nov 17 21:10:18.223 INFO [stderr] 
Nov 17 21:10:18.223 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:18.223 INFO [stderr]   --> src/ch2/primitives.rs:17:9
Nov 17 21:10:18.224 INFO [stderr]    |
Nov 17 21:10:18.224 INFO [stderr] 17 |     let x = true;
Nov 17 21:10:18.224 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 17 21:10:18.224 INFO [stderr] 
Nov 17 21:10:18.225 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:18.225 INFO [stderr]   --> src/ch2/primitives.rs:52:9
Nov 17 21:10:18.225 INFO [stderr]    |
Nov 17 21:10:18.225 INFO [stderr] 52 |     let num = 42u32;
Nov 17 21:10:18.226 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:18.226 INFO [stderr] 
Nov 17 21:10:18.226 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:18.226 INFO [stderr]   --> src/ch2/primitives.rs:53:9
Nov 17 21:10:18.227 INFO [stderr]    |
Nov 17 21:10:18.227 INFO [stderr] 53 |     let num: u32 = 42;
Nov 17 21:10:18.227 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:18.227 INFO [stderr] 
Nov 17 21:10:18.228 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:18.228 INFO [stderr]   --> src/ch2/primitives.rs:54:9
Nov 17 21:10:18.228 INFO [stderr]    |
Nov 17 21:10:18.228 INFO [stderr] 54 |     let num = 0x2A;  // 16进制
Nov 17 21:10:18.229 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:18.229 INFO [stderr] 
Nov 17 21:10:18.229 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:18.229 INFO [stderr]   --> src/ch2/primitives.rs:55:9
Nov 17 21:10:18.229 INFO [stderr]    |
Nov 17 21:10:18.230 INFO [stderr] 55 |     let num = 0o106;  // 8进制
Nov 17 21:10:18.230 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:18.230 INFO [stderr] 
Nov 17 21:10:18.231 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:18.231 INFO [stderr]   --> src/ch2/primitives.rs:56:9
Nov 17 21:10:18.231 INFO [stderr]    |
Nov 17 21:10:18.231 INFO [stderr] 56 |     let num = 0b1101_1011; // 2进制
Nov 17 21:10:18.232 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:18.232 INFO [stderr] 
Nov 17 21:10:18.232 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:18.233 INFO [stderr]   --> src/ch2/primitives.rs:59:9
Nov 17 21:10:18.233 INFO [stderr]    |
Nov 17 21:10:18.233 INFO [stderr] 59 |     let num = 3.1415926f64;
Nov 17 21:10:18.233 INFO [stderr]    |         ^^^ help: consider using `_num` instead
Nov 17 21:10:18.234 INFO [stderr] 
Nov 17 21:10:18.234 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:18.234 INFO [stderr]   --> src/ch2/primitives.rs:94:9
Nov 17 21:10:18.235 INFO [stderr]    |
Nov 17 21:10:18.235 INFO [stderr] 94 |     let x = 'r';
Nov 17 21:10:18.235 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 17 21:10:18.235 INFO [stderr] 
Nov 17 21:10:18.236 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:18.236 INFO [stderr]   --> src/ch2/primitives.rs:95:9
Nov 17 21:10:18.236 INFO [stderr]    |
Nov 17 21:10:18.237 INFO [stderr] 95 |     let x = 'Ú';
Nov 17 21:10:18.237 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 17 21:10:18.237 INFO [stderr] 
Nov 17 21:10:18.237 INFO [stderr] warning: unused variable: `arr`
Nov 17 21:10:18.237 INFO [stderr]    --> src/ch2/primitives.rs:128:9
Nov 17 21:10:18.238 INFO [stderr]     |
Nov 17 21:10:18.238 INFO [stderr] 128 |     let arr: [i32; 3] = [1, 2, 3];
Nov 17 21:10:18.238 INFO [stderr]     |         ^^^ help: consider using `_arr` instead
Nov 17 21:10:18.239 INFO [stderr] 
Nov 17 21:10:18.239 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:18.239 INFO [stderr]    --> src/ch2/primitives.rs:350:9
Nov 17 21:10:18.239 INFO [stderr]     |
Nov 17 21:10:18.240 INFO [stderr] 350 |     let x: ! = {
Nov 17 21:10:18.240 INFO [stderr]     |         ^ help: consider using `_x` instead
Nov 17 21:10:18.240 INFO [stderr] 
Nov 17 21:10:18.240 INFO [stderr] warning: unused variable: `i`
Nov 17 21:10:18.241 INFO [stderr]   --> src/ch3/tag_trait.rs:53:27
Nov 17 21:10:18.241 INFO [stderr]    |
Nov 17 21:10:18.241 INFO [stderr] 53 |     fn test_copy<T: Copy>(i: T) {
Nov 17 21:10:18.241 INFO [stderr]    |                           ^ help: consider using `_i` instead
Nov 17 21:10:18.242 INFO [stderr] 
Nov 17 21:10:18.242 INFO [stderr] warning: unused variable: `y`
Nov 17 21:10:18.242 INFO [stderr]   --> src/ch3/type_cast.rs:71:9
Nov 17 21:10:18.242 INFO [stderr]    |
Nov 17 21:10:18.247 INFO [stderr] 71 |     let y = x.clone();  // Rc<&str>
Nov 17 21:10:18.247 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 17 21:10:18.247 INFO [stderr] 
Nov 17 21:10:18.248 INFO [stderr] warning: unused variable: `z`
Nov 17 21:10:18.248 INFO [stderr]   --> src/ch3/type_cast.rs:72:9
Nov 17 21:10:18.248 INFO [stderr]    |
Nov 17 21:10:18.249 INFO [stderr] 72 |     let z = (*x).clone();   // &str
Nov 17 21:10:18.249 INFO [stderr]    |         ^ help: consider using `_z` instead
Nov 17 21:10:18.249 INFO [stderr] 
Nov 17 21:10:18.249 INFO [stderr] warning: unused variable: `y`
Nov 17 21:10:18.250 INFO [stderr]   --> src/ch4/general_concepts.rs:18:13
Nov 17 21:10:18.250 INFO [stderr]    |
Nov 17 21:10:18.250 INFO [stderr] 18 |         let y = x;
Nov 17 21:10:18.251 INFO [stderr]    |             ^ help: consider using `_y` instead
Nov 17 21:10:18.251 INFO [stderr] 
Nov 17 21:10:18.251 INFO [stderr] warning: unused variable: `z`
Nov 17 21:10:18.251 INFO [stderr]   --> src/ch4/general_concepts.rs:19:13
Nov 17 21:10:18.252 INFO [stderr]    |
Nov 17 21:10:18.252 INFO [stderr] 19 |         let z = 100;
Nov 17 21:10:18.252 INFO [stderr]    |             ^ help: consider using `_z` instead
Nov 17 21:10:18.252 INFO [stderr] 
Nov 17 21:10:18.253 INFO [stderr] warning: unused variable: `s`
Nov 17 21:10:18.253 INFO [stderr]   --> src/ch4/raii.rs:14:13
Nov 17 21:10:18.253 INFO [stderr]    |
Nov 17 21:10:18.253 INFO [stderr] 14 |         let s = String::from("hello");
Nov 17 21:10:18.254 INFO [stderr]    |             ^ help: consider using `_s` instead
Nov 17 21:10:18.254 INFO [stderr] 
Nov 17 21:10:18.254 INFO [stderr] warning: unused variable: `v`
Nov 17 21:10:18.254 INFO [stderr]   --> src/ch4/raii.rs:16:13
Nov 17 21:10:18.254 INFO [stderr]    |
Nov 17 21:10:18.255 INFO [stderr] 16 |         let v = vec![1,2,3];
Nov 17 21:10:18.255 INFO [stderr]    |             ^ help: consider using `_v` instead
Nov 17 21:10:18.255 INFO [stderr] 
Nov 17 21:10:18.256 INFO [stderr] warning: unused variable: `stolen`
Nov 17 21:10:18.256 INFO [stderr]   --> src/ch5/semantic.rs:30:13
Nov 17 21:10:18.256 INFO [stderr]    |
Nov 17 21:10:18.257 INFO [stderr] 30 |         let stolen = orig;
Nov 17 21:10:18.257 INFO [stderr]    |             ^^^^^^ help: consider using `_stolen` instead
Nov 17 21:10:18.257 INFO [stderr] 
Nov 17 21:10:18.257 INFO [stderr] warning: unused variable: `b`
Nov 17 21:10:18.258 INFO [stderr]    --> src/ch5/semantic.rs:113:13
Nov 17 21:10:18.258 INFO [stderr]     |
Nov 17 21:10:18.258 INFO [stderr] 113 |         let b = a;
Nov 17 21:10:18.259 INFO [stderr]     |             ^ help: consider using `_b` instead
Nov 17 21:10:18.259 INFO [stderr] 
Nov 17 21:10:18.259 INFO [stderr] warning: unused variable: `x`
Nov 17 21:10:18.259 INFO [stderr]   --> src/ch5/share_mutable.rs:22:13
Nov 17 21:10:18.260 INFO [stderr]    |
Nov 17 21:10:18.260 INFO [stderr] 22 |         let x = "hello".to_string();
Nov 17 21:10:18.260 INFO [stderr]    |             ^ help: consider using `_x` instead
Nov 17 21:10:18.260 INFO [stderr] 
Nov 17 21:10:18.260 INFO [stderr] warning: unused variable: `a`
Nov 17 21:10:18.261 INFO [stderr]    --> src/ch5/share_mutable.rs:133:13
Nov 17 21:10:18.261 INFO [stderr]     |
Nov 17 21:10:18.261 INFO [stderr] 133 |         let a = "hello";   // -------scope a-------+
Nov 17 21:10:18.261 INFO [stderr]     |             ^ help: consider using `_a` instead
Nov 17 21:10:18.262 INFO [stderr] 
Nov 17 21:10:18.262 INFO [stderr] warning: unused variable: `b`
Nov 17 21:10:18.262 INFO [stderr]    --> src/ch5/share_mutable.rs:134:13
Nov 17 21:10:18.262 INFO [stderr]     |
Nov 17 21:10:18.263 INFO [stderr] 134 |         let b = "rust";    // -----scope b------+  |
Nov 17 21:10:18.263 INFO [stderr]     |             ^ help: consider using `_b` instead
Nov 17 21:10:18.263 INFO [stderr] 
Nov 17 21:10:18.263 INFO [stderr] warning: unused variable: `d`
Nov 17 21:10:18.264 INFO [stderr]    --> src/ch5/share_mutable.rs:136:13
Nov 17 21:10:18.264 INFO [stderr]     |
Nov 17 21:10:18.264 INFO [stderr] 136 |         let d = c;         // - scope d ---  |  |  |
Nov 17 21:10:18.264 INFO [stderr]     |             ^ help: consider using `_d` instead
Nov 17 21:10:18.265 INFO [stderr] 
Nov 17 21:10:18.265 INFO [stderr] warning: unused variable: `p`
Nov 17 21:10:18.265 INFO [stderr]    --> src/ch3/traits.rs:246:28
Nov 17 21:10:18.265 INFO [stderr]     |
Nov 17 21:10:18.266 INFO [stderr] 246 |         fn set_page(&self, p: i32){
Nov 17 21:10:18.266 INFO [stderr]     |                            ^ help: consider using `_p` instead
Nov 17 21:10:18.266 INFO [stderr] 
Nov 17 21:10:18.266 INFO [stderr] warning: unused variable: `num`
Nov 17 21:10:18.267 INFO [stderr]    --> src/ch3/traits.rs:251:31
Nov 17 21:10:18.267 INFO [stderr]     |
Nov 17 21:10:18.267 INFO [stderr] 251 |         fn set_perpage(&self, num: i32){
Nov 17 21:10:18.267 INFO [stderr]     |                               ^^^ help: consider using `_num` instead
Nov 17 21:10:18.268 INFO [stderr] 
Nov 17 21:10:18.268 INFO [stderr] warning: unused variable: `args`
Nov 17 21:10:18.268 INFO [stderr]    --> src/ch6/closures.rs:130:47
Nov 17 21:10:18.268 INFO [stderr]     |
Nov 17 21:10:18.269 INFO [stderr] 130 |         extern "rust-call" fn call_once(self, args: ()) -> u32 {
Nov 17 21:10:18.269 INFO [stderr]     |                                               ^^^^ help: consider using `_args` instead
Nov 17 21:10:18.269 INFO [stderr] 
Nov 17 21:10:18.269 INFO [stderr] warning: unused variable: `args`
Nov 17 21:10:18.269 INFO [stderr]    --> src/ch6/closures.rs:136:51
Nov 17 21:10:18.271 INFO [stderr]     |
Nov 17 21:10:18.271 INFO [stderr] 136 |         extern "rust-call" fn call_mut(&mut self, args: ()) -> u32 {
Nov 17 21:10:18.271 INFO [stderr]     |                                                   ^^^^ help: consider using `_args` instead
Nov 17 21:10:18.271 INFO [stderr] 
Nov 17 21:10:18.271 INFO [stderr] warning: unused variable: `args`
Nov 17 21:10:18.271 INFO [stderr]    --> src/ch6/closures.rs:142:43
Nov 17 21:10:18.271 INFO [stderr]     |
Nov 17 21:10:18.271 INFO [stderr] 142 |         extern "rust-call" fn call(&self, args: ()) -> u32 {
Nov 17 21:10:18.271 INFO [stderr]     |                                           ^^^^ help: consider using `_args` instead
Nov 17 21:10:18.271 INFO [stderr] 
Nov 17 21:10:18.271 INFO [stderr] warning: variable does not need to be mutable
Nov 17 21:10:18.271 INFO [stderr]   --> src/ch2/collections.rs:31:9
Nov 17 21:10:18.271 INFO [stderr]    |
Nov 17 21:10:18.271 INFO [stderr] 31 |     let mut v2 = vec![0; 10];
Nov 17 21:10:18.271 INFO [stderr]    |         ----^^
Nov 17 21:10:18.271 INFO [stderr]    |         |
Nov 17 21:10:18.271 INFO [stderr]    |         help: remove this `mut`
Nov 17 21:10:18.271 INFO [stderr]    |
Nov 17 21:10:18.271 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 21:10:18.271 INFO [stderr] 
Nov 17 21:10:18.539 INFO [stderr] warning: function is never used: `sum`
Nov 17 21:10:18.539 INFO [stderr]   --> src/ch2/function.rs:89:1
Nov 17 21:10:18.539 INFO [stderr]    |
Nov 17 21:10:18.539 INFO [stderr] 89 | fn sum(a: i32, b: i32) -> i32 {
Nov 17 21:10:18.540 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.540 INFO [stderr]    |
Nov 17 21:10:18.540 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 17 21:10:18.541 INFO [stderr] 
Nov 17 21:10:18.541 INFO [stderr] warning: function is never used: `product`
Nov 17 21:10:18.541 INFO [stderr]   --> src/ch2/function.rs:92:1
Nov 17 21:10:18.542 INFO [stderr]    |
Nov 17 21:10:18.542 INFO [stderr] 92 | fn product(a: i32, b: i32) -> i32 {
Nov 17 21:10:18.542 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.542 INFO [stderr] 
Nov 17 21:10:18.543 INFO [stderr] warning: function is never used: `map_demo`
Nov 17 21:10:18.543 INFO [stderr]    --> src/ch2/collections.rs:169:1
Nov 17 21:10:18.543 INFO [stderr]     |
Nov 17 21:10:18.544 INFO [stderr] 169 | fn map_demo() {
Nov 17 21:10:18.544 INFO [stderr]     | ^^^^^^^^^^^^^
Nov 17 21:10:18.544 INFO [stderr] 
Nov 17 21:10:18.545 INFO [stderr] warning: function is never used: `foo`
Nov 17 21:10:18.545 INFO [stderr]    --> src/ch2/primitives.rs:349:1
Nov 17 21:10:18.545 INFO [stderr]     |
Nov 17 21:10:18.546 INFO [stderr] 349 | fn foo() -> u32 {
Nov 17 21:10:18.546 INFO [stderr]     | ^^^^^^^^^^^^^^^
Nov 17 21:10:18.546 INFO [stderr] 
Nov 17 21:10:18.546 INFO [stderr] warning: method is never used: `new`
Nov 17 21:10:18.547 INFO [stderr]   --> src/ch2/structs.rs:48:5
Nov 17 21:10:18.547 INFO [stderr]    |
Nov 17 21:10:18.547 INFO [stderr] 48 |     fn new(name: &'static str, gender: u32) -> Self{
Nov 17 21:10:18.548 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.548 INFO [stderr] 
Nov 17 21:10:18.548 INFO [stderr] warning: method is never used: `name`
Nov 17 21:10:18.549 INFO [stderr]   --> src/ch2/structs.rs:51:5
Nov 17 21:10:18.549 INFO [stderr]    |
Nov 17 21:10:18.549 INFO [stderr] 51 |     fn name(&self) {
Nov 17 21:10:18.550 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 21:10:18.550 INFO [stderr] 
Nov 17 21:10:18.550 INFO [stderr] warning: method is never used: `set_name`
Nov 17 21:10:18.551 INFO [stderr]   --> src/ch2/structs.rs:54:5
Nov 17 21:10:18.551 INFO [stderr]    |
Nov 17 21:10:18.551 INFO [stderr] 54 |     fn set_name(&mut self, name: &'static str)  {
Nov 17 21:10:18.551 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.552 INFO [stderr] 
Nov 17 21:10:18.552 INFO [stderr] warning: method is never used: `gender`
Nov 17 21:10:18.552 INFO [stderr]   --> src/ch2/structs.rs:57:5
Nov 17 21:10:18.553 INFO [stderr]    |
Nov 17 21:10:18.553 INFO [stderr] 57 |     fn gender(&self){
Nov 17 21:10:18.553 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 17 21:10:18.553 INFO [stderr] 
Nov 17 21:10:18.554 INFO [stderr] warning: field is never used: `foo`
Nov 17 21:10:18.554 INFO [stderr]   --> src/ch3/zero_size.rs:27:9
Nov 17 21:10:18.554 INFO [stderr]    |
Nov 17 21:10:18.555 INFO [stderr] 27 |         foo: Foo,
Nov 17 21:10:18.555 INFO [stderr]    |         ^^^^^^^^
Nov 17 21:10:18.555 INFO [stderr] 
Nov 17 21:10:18.555 INFO [stderr] warning: field is never used: `qux`
Nov 17 21:10:18.556 INFO [stderr]   --> src/ch3/zero_size.rs:28:9
Nov 17 21:10:18.556 INFO [stderr]    |
Nov 17 21:10:18.563 INFO [stderr] 28 |         qux: (),
Nov 17 21:10:18.563 INFO [stderr]    |         ^^^^^^^
Nov 17 21:10:18.563 INFO [stderr] 
Nov 17 21:10:18.563 INFO [stderr] warning: field is never used: `baz`
Nov 17 21:10:18.564 INFO [stderr]   --> src/ch3/zero_size.rs:29:9
Nov 17 21:10:18.564 INFO [stderr]    |
Nov 17 21:10:18.564 INFO [stderr] 29 |         baz: [u8; 0],
Nov 17 21:10:18.565 INFO [stderr]    |         ^^^^^^^^^^^^
Nov 17 21:10:18.565 INFO [stderr] 
Nov 17 21:10:18.565 INFO [stderr] warning: field is never used: `page`
Nov 17 21:10:18.566 INFO [stderr]    --> src/ch3/traits.rs:262:24
Nov 17 21:10:18.566 INFO [stderr]     |
Nov 17 21:10:18.566 INFO [stderr] 262 |     struct MyPaginate{ page: i32 }
Nov 17 21:10:18.567 INFO [stderr]     |                        ^^^^^^^^^
Nov 17 21:10:18.567 INFO [stderr] 
Nov 17 21:10:18.567 INFO [stderr] warning: field is never used: `inner`
Nov 17 21:10:18.568 INFO [stderr]    --> src/ch3/trait_limit.rs:147:9
Nov 17 21:10:18.568 INFO [stderr]     |
Nov 17 21:10:18.568 INFO [stderr] 147 |         inner: T,
Nov 17 21:10:18.569 INFO [stderr]     |         ^^^^^^^^
Nov 17 21:10:18.569 INFO [stderr] 
Nov 17 21:10:18.569 INFO [stderr] warning: function is never used: `foo`
Nov 17 21:10:18.569 INFO [stderr]   --> src/ch4/general_concepts.rs:17:5
Nov 17 21:10:18.570 INFO [stderr]    |
Nov 17 21:10:18.570 INFO [stderr] 17 |     fn foo(x: u32) {
Nov 17 21:10:18.570 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 21:10:18.571 INFO [stderr] 
Nov 17 21:10:18.571 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.571 INFO [stderr]   --> src/ch4/general_concepts.rs:21:5
Nov 17 21:10:18.572 INFO [stderr]    |
Nov 17 21:10:18.572 INFO [stderr] 21 |     fn main(){
Nov 17 21:10:18.572 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.579 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: struct is never constructed: `A`
Nov 17 21:10:18.580 INFO [stderr]   --> src/ch4/general_concepts.rs:56:5
Nov 17 21:10:18.580 INFO [stderr]    |
Nov 17 21:10:18.580 INFO [stderr] 56 |     struct A {
Nov 17 21:10:18.580 INFO [stderr]    |     ^^^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.580 INFO [stderr]   --> src/ch4/general_concepts.rs:61:5
Nov 17 21:10:18.580 INFO [stderr]    |
Nov 17 21:10:18.580 INFO [stderr] 61 |     fn main() {
Nov 17 21:10:18.580 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: struct is never constructed: `A`
Nov 17 21:10:18.580 INFO [stderr]   --> src/ch4/general_concepts.rs:96:5
Nov 17 21:10:18.580 INFO [stderr]    |
Nov 17 21:10:18.580 INFO [stderr] 96 |     struct A {
Nov 17 21:10:18.580 INFO [stderr]    |     ^^^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: struct is never constructed: `B`
Nov 17 21:10:18.580 INFO [stderr]    --> src/ch4/general_concepts.rs:100:5
Nov 17 21:10:18.580 INFO [stderr]     |
Nov 17 21:10:18.580 INFO [stderr] 100 |     struct B(i32, f64, char);
Nov 17 21:10:18.580 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: struct is never constructed: `N`
Nov 17 21:10:18.580 INFO [stderr]    --> src/ch4/general_concepts.rs:101:5
Nov 17 21:10:18.580 INFO [stderr]     |
Nov 17 21:10:18.580 INFO [stderr] 101 |     struct N;
Nov 17 21:10:18.580 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: enum is never used: `E`
Nov 17 21:10:18.580 INFO [stderr]    --> src/ch4/general_concepts.rs:102:5
Nov 17 21:10:18.580 INFO [stderr]     |
Nov 17 21:10:18.580 INFO [stderr] 102 |     enum E {
Nov 17 21:10:18.580 INFO [stderr]     |     ^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: union is never used: `U`
Nov 17 21:10:18.580 INFO [stderr]    --> src/ch4/general_concepts.rs:106:5
Nov 17 21:10:18.580 INFO [stderr]     |
Nov 17 21:10:18.580 INFO [stderr] 106 |     union U {
Nov 17 21:10:18.580 INFO [stderr]     |     ^^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.580 INFO [stderr]    --> src/ch4/general_concepts.rs:110:5
Nov 17 21:10:18.580 INFO [stderr]     |
Nov 17 21:10:18.580 INFO [stderr] 110 |     fn main(){
Nov 17 21:10:18.580 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.580 INFO [stderr]   --> src/ch4/resource_management.rs:59:5
Nov 17 21:10:18.580 INFO [stderr]    |
Nov 17 21:10:18.580 INFO [stderr] 59 |     fn main() {
Nov 17 21:10:18.580 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.580 INFO [stderr]   --> src/ch4/raii.rs:13:5
Nov 17 21:10:18.580 INFO [stderr]    |
Nov 17 21:10:18.580 INFO [stderr] 13 |     fn main() {
Nov 17 21:10:18.580 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.580 INFO [stderr] 
Nov 17 21:10:18.580 INFO [stderr] warning: struct is never constructed: `S`
Nov 17 21:10:18.581 INFO [stderr]   --> src/ch4/raii.rs:94:5
Nov 17 21:10:18.581 INFO [stderr]    |
Nov 17 21:10:18.581 INFO [stderr] 94 |     struct S(i32);
Nov 17 21:10:18.581 INFO [stderr]    |     ^^^^^^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]    --> src/ch4/raii.rs:100:5
Nov 17 21:10:18.581 INFO [stderr]     |
Nov 17 21:10:18.581 INFO [stderr] 100 |     fn main() {
Nov 17 21:10:18.581 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]   --> src/ch5/semantic.rs:27:5
Nov 17 21:10:18.581 INFO [stderr]    |
Nov 17 21:10:18.581 INFO [stderr] 27 |     fn main() {
Nov 17 21:10:18.581 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]    --> src/ch5/semantic.rs:111:5
Nov 17 21:10:18.581 INFO [stderr]     |
Nov 17 21:10:18.581 INFO [stderr] 111 |     fn main(){
Nov 17 21:10:18.581 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]   --> src/ch5/share_mutable.rs:21:5
Nov 17 21:10:18.581 INFO [stderr]    |
Nov 17 21:10:18.581 INFO [stderr] 21 |     fn main() {
Nov 17 21:10:18.581 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]    --> src/ch5/share_mutable.rs:132:5
Nov 17 21:10:18.581 INFO [stderr]     |
Nov 17 21:10:18.581 INFO [stderr] 132 |     fn main(){
Nov 17 21:10:18.581 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `foo`
Nov 17 21:10:18.581 INFO [stderr]   --> src/ch5/borrow.rs:31:5
Nov 17 21:10:18.581 INFO [stderr]    |
Nov 17 21:10:18.581 INFO [stderr] 31 |     fn foo(mut v: [i32; 3]) -> [i32; 3] {
Nov 17 21:10:18.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]   --> src/ch5/borrow.rs:36:5
Nov 17 21:10:18.581 INFO [stderr]    |
Nov 17 21:10:18.581 INFO [stderr] 36 |     fn main() {
Nov 17 21:10:18.581 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `bubble_sort`
Nov 17 21:10:18.581 INFO [stderr]   --> src/ch5/borrow.rs:73:5
Nov 17 21:10:18.581 INFO [stderr]    |
Nov 17 21:10:18.581 INFO [stderr] 73 |     fn bubble_sort(a: &mut Vec<i32>) {
Nov 17 21:10:18.581 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]   --> src/ch5/borrow.rs:90:5
Nov 17 21:10:18.581 INFO [stderr]    |
Nov 17 21:10:18.581 INFO [stderr] 90 |     fn main() {
Nov 17 21:10:18.581 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `compute`
Nov 17 21:10:18.581 INFO [stderr]    --> src/ch5/borrow.rs:139:5
Nov 17 21:10:18.581 INFO [stderr]     |
Nov 17 21:10:18.581 INFO [stderr] 139 |     fn compute(input: &u32, output: &mut u32) {
Nov 17 21:10:18.581 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]    --> src/ch5/borrow.rs:147:5
Nov 17 21:10:18.581 INFO [stderr]     |
Nov 17 21:10:18.581 INFO [stderr] 147 |     fn main() {
Nov 17 21:10:18.581 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]   --> src/ch5/lifetime.rs:16:5
Nov 17 21:10:18.581 INFO [stderr]    |
Nov 17 21:10:18.581 INFO [stderr] 16 |     fn main() {
Nov 17 21:10:18.581 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.581 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.581 INFO [stderr]    --> src/ch5/lifetime.rs:239:5
Nov 17 21:10:18.581 INFO [stderr]     |
Nov 17 21:10:18.581 INFO [stderr] 239 |     fn main() {
Nov 17 21:10:18.581 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.581 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `foo`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch5/nll.rs:117:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 117 |     fn foo<'a>(x: &'a str, y: &'a str) -> &'a str {
Nov 17 21:10:18.582 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch5/nll.rs:124:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 124 |     fn main(){
Nov 17 21:10:18.582 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch5/nll.rs:181:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 181 |     fn main(){
Nov 17 21:10:18.582 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `modify`
Nov 17 21:10:18.582 INFO [stderr]   --> src/ch6/functions.rs:30:5
Nov 17 21:10:18.582 INFO [stderr]    |
Nov 17 21:10:18.582 INFO [stderr] 30 |     fn modify(mut v: Vec<u32>) -> Vec<u32> {
Nov 17 21:10:18.582 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.582 INFO [stderr]   --> src/ch6/functions.rs:34:5
Nov 17 21:10:18.582 INFO [stderr]    |
Nov 17 21:10:18.582 INFO [stderr] 34 |     fn main(){
Nov 17 21:10:18.582 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `f`
Nov 17 21:10:18.582 INFO [stderr]   --> src/ch6/functions.rs:71:5
Nov 17 21:10:18.582 INFO [stderr]    |
Nov 17 21:10:18.582 INFO [stderr] 71 |     fn f() { print!("1"); }
Nov 17 21:10:18.582 INFO [stderr]    |     ^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.582 INFO [stderr]   --> src/ch6/functions.rs:72:5
Nov 17 21:10:18.582 INFO [stderr]    |
Nov 17 21:10:18.582 INFO [stderr] 72 |     fn main() {
Nov 17 21:10:18.582 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: struct is never constructed: `S`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch6/functions.rs:126:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 126 |     struct S { i: i32 }
Nov 17 21:10:18.582 INFO [stderr]     |     ^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `f`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch6/functions.rs:127:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 127 |     fn f(ref _s: S) {
Nov 17 21:10:18.582 INFO [stderr]     |     ^^^^^^^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch6/functions.rs:130:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 130 |     fn main() {
Nov 17 21:10:18.582 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `addsub`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch6/functions.rs:167:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 167 |     fn addsub(x: isize, y: isize) -> (isize, isize) {
Nov 17 21:10:18.582 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch6/functions.rs:170:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 170 |     fn main(){
Nov 17 21:10:18.582 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `square`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch6/functions.rs:210:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 210 |     fn square<T: Mul<T, Output=T>>(x: T, y: T) -> T {
Nov 17 21:10:18.582 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.582 INFO [stderr] 
Nov 17 21:10:18.582 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.582 INFO [stderr]    --> src/ch6/functions.rs:213:5
Nov 17 21:10:18.582 INFO [stderr]     |
Nov 17 21:10:18.582 INFO [stderr] 213 |     fn main() {
Nov 17 21:10:18.583 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.583 INFO [stderr] 
Nov 17 21:10:18.583 INFO [stderr] warning: struct is never constructed: `User`
Nov 17 21:10:18.583 INFO [stderr]    --> src/ch6/functions.rs:249:5
Nov 17 21:10:18.590 INFO [stderr]     |
Nov 17 21:10:18.591 INFO [stderr] 249 |     struct User {
Nov 17 21:10:18.591 INFO [stderr]     |     ^^^^^^^^^^^
Nov 17 21:10:18.591 INFO [stderr] 
Nov 17 21:10:18.591 INFO [stderr] warning: method is never used: `show`
Nov 17 21:10:18.591 INFO [stderr]    --> src/ch6/functions.rs:254:9
Nov 17 21:10:18.591 INFO [stderr]     |
Nov 17 21:10:18.591 INFO [stderr] 254 |         fn show(&self)  {
Nov 17 21:10:18.591 INFO [stderr]     |         ^^^^^^^^^^^^^^
Nov 17 21:10:18.591 INFO [stderr] 
Nov 17 21:10:18.591 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.591 INFO [stderr]    --> src/ch6/functions.rs:259:5
Nov 17 21:10:18.591 INFO [stderr]     |
Nov 17 21:10:18.591 INFO [stderr] 259 |     fn main() {
Nov 17 21:10:18.591 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.591 INFO [stderr] 
Nov 17 21:10:18.591 INFO [stderr] warning: function is never used: `math`
Nov 17 21:10:18.591 INFO [stderr]    --> src/ch6/functions.rs:399:5
Nov 17 21:10:18.591 INFO [stderr]     |
Nov 17 21:10:18.591 INFO [stderr] 399 |     fn math(op: fn(i32, i32) -> i32, a: i32, b: i32) -> i32{
Nov 17 21:10:18.591 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.591 INFO [stderr] 
Nov 17 21:10:18.591 INFO [stderr] warning: function is never used: `sum`
Nov 17 21:10:18.591 INFO [stderr]    --> src/ch6/functions.rs:402:5
Nov 17 21:10:18.591 INFO [stderr]     |
Nov 17 21:10:18.591 INFO [stderr] 402 |     fn sum(a: i32, b: i32) -> i32 {
Nov 17 21:10:18.591 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.591 INFO [stderr] 
Nov 17 21:10:18.592 INFO [stderr] warning: function is never used: `product`
Nov 17 21:10:18.592 INFO [stderr]    --> src/ch6/functions.rs:405:5
Nov 17 21:10:18.592 INFO [stderr]     |
Nov 17 21:10:18.592 INFO [stderr] 405 |     fn product(a: i32, b: i32) -> i32 {
Nov 17 21:10:18.592 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.592 INFO [stderr] 
Nov 17 21:10:18.592 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.592 INFO [stderr]    --> src/ch6/functions.rs:408:5
Nov 17 21:10:18.592 INFO [stderr]     |
Nov 17 21:10:18.592 INFO [stderr] 408 |     fn main() {
Nov 17 21:10:18.592 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.592 INFO [stderr] 
Nov 17 21:10:18.592 INFO [stderr] warning: function is never used: `counter`
Nov 17 21:10:18.592 INFO [stderr]   --> src/ch6/closures.rs:48:5
Nov 17 21:10:18.592 INFO [stderr]    |
Nov 17 21:10:18.592 INFO [stderr] 48 |     fn counter(i: i32) -> Box<Fn(i32) -> i32> {
Nov 17 21:10:18.592 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.592 INFO [stderr] 
Nov 17 21:10:18.592 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.592 INFO [stderr]   --> src/ch6/closures.rs:51:5
Nov 17 21:10:18.592 INFO [stderr]    |
Nov 17 21:10:18.592 INFO [stderr] 51 |     fn main() {
Nov 17 21:10:18.592 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.592 INFO [stderr] 
Nov 17 21:10:18.592 INFO [stderr] warning: struct is never constructed: `Closure`
Nov 17 21:10:18.592 INFO [stderr]    --> src/ch6/closures.rs:125:5
Nov 17 21:10:18.593 INFO [stderr]     |
Nov 17 21:10:18.593 INFO [stderr] 125 |     struct Closure {
Nov 17 21:10:18.593 INFO [stderr]     |     ^^^^^^^^^^^^^^
Nov 17 21:10:18.593 INFO [stderr] 
Nov 17 21:10:18.593 INFO [stderr] warning: function is never used: `call_it`
Nov 17 21:10:18.593 INFO [stderr]    --> src/ch6/closures.rs:147:5
Nov 17 21:10:18.593 INFO [stderr]     |
Nov 17 21:10:18.593 INFO [stderr] 147 |     fn call_it<F: Fn() -> u32>(f: &F) -> u32 {
Nov 17 21:10:18.593 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.593 INFO [stderr] 
Nov 17 21:10:18.593 INFO [stderr] warning: function is never used: `call_it_mut`
Nov 17 21:10:18.593 INFO [stderr]    --> src/ch6/closures.rs:150:5
Nov 17 21:10:18.593 INFO [stderr]     |
Nov 17 21:10:18.593 INFO [stderr] 150 |     fn call_it_mut<F: FnMut() -> u32>(f: &mut F) -> u32 {
Nov 17 21:10:18.593 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.593 INFO [stderr] 
Nov 17 21:10:18.593 INFO [stderr] warning: function is never used: `call_it_once`
Nov 17 21:10:18.593 INFO [stderr]    --> src/ch6/closures.rs:153:5
Nov 17 21:10:18.593 INFO [stderr]     |
Nov 17 21:10:18.593 INFO [stderr] 153 |     fn call_it_once<F: FnOnce() -> u32>(f: F) -> u32 {
Nov 17 21:10:18.593 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.593 INFO [stderr] 
Nov 17 21:10:18.593 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.593 INFO [stderr]    --> src/ch6/closures.rs:156:5
Nov 17 21:10:18.593 INFO [stderr]     |
Nov 17 21:10:18.593 INFO [stderr] 156 |     fn main() {
Nov 17 21:10:18.593 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.594 INFO [stderr] 
Nov 17 21:10:18.594 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.594 INFO [stderr]    --> src/ch6/closures.rs:352:5
Nov 17 21:10:18.594 INFO [stderr]     |
Nov 17 21:10:18.594 INFO [stderr] 352 |     fn main() {
Nov 17 21:10:18.594 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.594 INFO [stderr] 
Nov 17 21:10:18.594 INFO [stderr] warning: function is never used: `boxed_closure`
Nov 17 21:10:18.594 INFO [stderr]    --> src/ch6/closures.rs:512:5
Nov 17 21:10:18.594 INFO [stderr]     |
Nov 17 21:10:18.594 INFO [stderr] 512 |     fn boxed_closure(c: &mut Vec<Box<Fn()>>){
Nov 17 21:10:18.594 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.594 INFO [stderr] 
Nov 17 21:10:18.594 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.594 INFO [stderr]    --> src/ch6/closures.rs:518:5
Nov 17 21:10:18.594 INFO [stderr]     |
Nov 17 21:10:18.594 INFO [stderr] 518 |     fn main(){
Nov 17 21:10:18.594 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.594 INFO [stderr] 
Nov 17 21:10:18.595 INFO [stderr] warning: function is never used: `bar`
Nov 17 21:10:18.595 INFO [stderr]    --> src/ch6/closures.rs:638:5
Nov 17 21:10:18.595 INFO [stderr]     |
Nov 17 21:10:18.595 INFO [stderr] 638 |     fn bar(b: Box<for<'f> DoSomething<&'f usize>>) {
Nov 17 21:10:18.595 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.595 INFO [stderr] 
Nov 17 21:10:18.595 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.595 INFO [stderr]    --> src/ch6/closures.rs:642:5
Nov 17 21:10:18.595 INFO [stderr]     |
Nov 17 21:10:18.595 INFO [stderr] 642 |     fn main(){
Nov 17 21:10:18.595 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.595 INFO [stderr] 
Nov 17 21:10:18.596 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.596 INFO [stderr]    --> src/ch6/iters.rs:373:5
Nov 17 21:10:18.596 INFO [stderr]     |
Nov 17 21:10:18.596 INFO [stderr] 373 |     fn main(){
Nov 17 21:10:18.596 INFO [stderr]     |     ^^^^^^^^^
Nov 17 21:10:18.596 INFO [stderr] 
Nov 17 21:10:18.596 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.596 INFO [stderr]   --> src/ch7/structs.rs:48:5
Nov 17 21:10:18.596 INFO [stderr]    |
Nov 17 21:10:18.596 INFO [stderr] 48 |     fn main(){
Nov 17 21:10:18.596 INFO [stderr]    |     ^^^^^^^^^
Nov 17 21:10:18.596 INFO [stderr] 
Nov 17 21:10:18.596 INFO [stderr] warning: function is never used: `hello`
Nov 17 21:10:18.597 INFO [stderr]   --> src/appendix/mod.rs:16:1
Nov 17 21:10:18.597 INFO [stderr]    |
Nov 17 21:10:18.597 INFO [stderr] 16 | fn hello(){
Nov 17 21:10:18.597 INFO [stderr]    | ^^^^^^^^^^
Nov 17 21:10:18.597 INFO [stderr] 
Nov 17 21:10:18.597 INFO [stderr] warning: function is never used: `main`
Nov 17 21:10:18.597 INFO [stderr]    --> src/appendix/lldb.rs:147:1
Nov 17 21:10:18.597 INFO [stderr]     |
Nov 17 21:10:18.597 INFO [stderr] 147 | fn main()
Nov 17 21:10:18.597 INFO [stderr]     | ^^^^^^^^^
Nov 17 21:10:18.597 INFO [stderr] 
Nov 17 21:10:18.597 INFO [stderr] warning: denote infinite loops with `loop { ... }`
Nov 17 21:10:18.597 INFO [stderr]    --> src/ch2/control_flow.rs:152:5
Nov 17 21:10:18.597 INFO [stderr]     |
Nov 17 21:10:18.597 INFO [stderr] 152 |     while true {
Nov 17 21:10:18.597 INFO [stderr]     |     ^^^^^^^^^^ help: use `loop`
Nov 17 21:10:18.598 INFO [stderr]     |
Nov 17 21:10:18.598 INFO [stderr]     = note: #[warn(while_true)] on by default
Nov 17 21:10:18.598 INFO [stderr] 
Nov 17 21:10:18.598 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 17 21:10:18.598 INFO [stderr]    --> src/ch5/nll.rs:184:9
Nov 17 21:10:18.598 INFO [stderr]     |
Nov 17 21:10:18.598 INFO [stderr] 184 |         a.to_string() + s;
Nov 17 21:10:18.598 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.602 INFO [stderr]     |
Nov 17 21:10:18.602 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Nov 17 21:10:18.602 INFO [stderr] 
Nov 17 21:10:18.608 INFO [stderr] warning: unused attribute
Nov 17 21:10:18.608 INFO [stderr]    --> src/ch6/closures.rs:124:5
Nov 17 21:10:18.608 INFO [stderr]     |
Nov 17 21:10:18.608 INFO [stderr] 124 |     #![feature(unboxed_closures, fn_traits)]
Nov 17 21:10:18.608 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.608 INFO [stderr]     |
Nov 17 21:10:18.608 INFO [stderr]     = note: #[warn(unused_attributes)] on by default
Nov 17 21:10:18.608 INFO [stderr] 
Nov 17 21:10:18.608 INFO [stderr] warning: crate-level attribute should be in the root module
Nov 17 21:10:18.608 INFO [stderr]    --> src/ch6/closures.rs:124:5
Nov 17 21:10:18.608 INFO [stderr]     |
Nov 17 21:10:18.608 INFO [stderr] 124 |     #![feature(unboxed_closures, fn_traits)]
Nov 17 21:10:18.608 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:18.608 INFO [stderr] 
Nov 17 21:10:19.058 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
Nov 17 21:10:19.066 INFO [stderr] su: No module specific data is present
Nov 17 21:10:19.854 INFO running `"docker" "inspect" "25bddba6dd30aafb801744b8adfa8456734f722a44115acef86d49ad420fbcfa"`
Nov 17 21:10:20.125 INFO running `"docker" "rm" "-f" "25bddba6dd30aafb801744b8adfa8456734f722a44115acef86d49ad420fbcfa"`
Nov 17 21:10:20.502 INFO [stdout] 25bddba6dd30aafb801744b8adfa8456734f722a44115acef86d49ad420fbcfa
Nov 17 21:10:20.510 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 17 21:10:21.104 INFO [stdout] 02730b78ea50935e5bb1922a3cc49ed4b05bbdf421434bb29362b4eec33b2b4d
Nov 17 21:10:21.106 INFO running `"docker" "start" "-a" "02730b78ea50935e5bb1922a3cc49ed4b05bbdf421434bb29362b4eec33b2b4d"`
Nov 17 21:10:22.815 INFO [stderr] usermod: no changes
Nov 17 21:10:22.947 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.11s
Nov 17 21:10:22.964 INFO [stderr]      Running /target/debug/deps/tao_of_rust-04a1fbe62c9068ac
Nov 17 21:10:22.971 INFO [stderr]    Doc-tests tao-of-rust
Nov 17 21:10:22.971 INFO [stdout] 
Nov 17 21:10:22.971 INFO [stdout] running 0 tests
Nov 17 21:10:22.971 INFO [stdout] 
Nov 17 21:10:22.971 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 21:10:22.971 INFO [stdout] 
Nov 17 21:10:25.875 INFO [stderr] warning: invalid start of a new code block
Nov 17 21:10:25.875 INFO [stderr]   --> /source/src/ch5/smart_pointer.rs:47:1
Nov 17 21:10:25.875 INFO [stderr]    |
Nov 17 21:10:25.875 INFO [stderr] 47 | /// # 智能指针和所有权: Rc<T> / Arc<T>
Nov 17 21:10:25.875 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 21:10:25.875 INFO [stderr] 
Nov 17 21:10:25.891 INFO [stdout] 
Nov 17 21:10:25.891 INFO [stdout] running 373 tests
Nov 17 21:10:29.032 INFO [stdout] test src/appendix/mod.rs - appendix (line 6) ... FAILED
Nov 17 21:10:29.833 INFO [stdout] test src/ch1/mod.rs - ch1::title (line 9) ... ok
Nov 17 21:10:29.839 INFO [stdout] test src/ch1/mod.rs - ch1::fly_dyn (line 77) ... ok
Nov 17 21:10:29.949 INFO [stdout] test src/ch10/visibility.rs - ch10::visibility::visibility (line 64) ... ok
Nov 17 21:10:30.172 INFO [stdout] test src/ch10/mod.rs - ch10::title (line 10) ... ok
Nov 17 21:10:30.543 INFO [stdout] test src/ch10/visibility.rs - ch10::visibility::visibility (line 14) ... ok
Nov 17 21:10:30.900 INFO [stdout] test src/ch11/atomics.rs - ch11::atomics::atomic_demo (line 5) ... ok
Nov 17 21:10:31.347 INFO [stdout] test src/ch1/mod.rs - ch1::fly_static (line 40) ... ok
Nov 17 21:10:32.703 INFO [stdout] test src/ch11/crossbeam.rs - ch11::crossbeam::crossbeam_demo (line 110) ... FAILED
Nov 17 21:10:33.643 INFO [stdout] test src/ch11/crossbeam.rs - ch11::crossbeam::crossbeam_demo (line 135) ... FAILED
Nov 17 21:10:34.379 INFO [stdout] test src/ch11/channels.rs - ch11::channels::channel_demo (line 25) ... ok
Nov 17 21:10:35.543 INFO [stdout] test src/ch11/channels.rs - ch11::channels::channel_demo (line 86) ... ok
Nov 17 21:10:37.503 INFO [stdout] test src/ch11/channels.rs - ch11::channels::channel_demo (line 46) ... ok
Nov 17 21:10:38.191 INFO [stdout] test src/ch11/crossbeam.rs - ch11::crossbeam::crossbeam_demo (line 25) ... ok
Nov 17 21:10:38.231 INFO [stdout] test src/ch11/channels.rs - ch11::channels::channel_demo (line 9) ... ok
Nov 17 21:10:38.499 INFO [stdout] test src/ch11/crossbeam.rs - ch11::crossbeam::crossbeam_demo (line 5) ... FAILED
Nov 17 21:10:38.707 INFO [stdout] test src/ch11/crossbeam.rs - ch11::crossbeam::crossbeam_demo (line 50) ... FAILED
Nov 17 21:10:39.311 INFO [stdout] test src/ch11/crossbeam.rs - ch11::crossbeam::crossbeam_demo (line 68) ... FAILED
Nov 17 21:10:39.535 INFO [stdout] test src/ch11/generator.rs - ch11::generator::generaotr (line 124) ... FAILED
Nov 17 21:10:41.299 INFO [stdout] test src/ch11/generator.rs - ch11::generator::generaotr (line 156) ... ok
Nov 17 21:10:41.627 INFO [stdout] test src/ch11/generator.rs - ch11::generator::generaotr (line 218) ... ok
Nov 17 21:10:42.784 INFO [stdout] test src/ch11/generator.rs - ch11::generator::generaotr (line 5) ... ok
Nov 17 21:10:42.787 INFO [stdout] test src/ch11/generator.rs - ch11::generator::generaotr (line 185) ... FAILED
Nov 17 21:10:43.939 INFO [stdout] test src/ch11/generator.rs - ch11::generator::generaotr (line 93) ... ok
Nov 17 21:10:43.944 INFO [stdout] test src/ch11/generator.rs - ch11::generator::generaotr (line 30) ... ok
Nov 17 21:10:45.319 INFO [stdout] test src/ch11/mod.rs - ch11::title (line 8) ... ok
Nov 17 21:10:45.951 INFO [stdout] test src/ch11/thread_management.rs - ch11::thread_management::thread_management (line 5) ... FAILED
Nov 17 21:10:45.951 INFO [stdout] test src/ch11/rayon.rs - ch11::rayon::rayon (line 27) ... FAILED
Nov 17 21:10:46.003 INFO [stdout] test src/ch11/rayon.rs - ch11::rayon::generator (line 49) ... FAILED
Nov 17 21:10:47.067 INFO [stdout] test src/ch11/rayon.rs - ch11::rayon::rayon (line 6) ... FAILED
Nov 17 21:10:47.260 INFO [stdout] test src/ch11/thread_management.rs - ch11::thread_management::thread_management (line 27) ... FAILED
Nov 17 21:10:49.119 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 179) ... FAILED
Nov 17 21:10:49.211 INFO [stdout] test src/ch11/thread_management.rs - ch11::thread_management::thread_management (line 58) ... ok
Nov 17 21:10:49.458 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 129) ... FAILED
Nov 17 21:10:51.452 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 23) ... FAILED
Nov 17 21:10:51.453 INFO [stdout] test src/ch11/thread_management.rs - ch11::thread_management::thread_management (line 83) ... ok
Nov 17 21:10:51.802 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 102) ... ok
Nov 17 21:10:52.843 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 226) ... ok
Nov 17 21:10:54.015 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 41) ... FAILED
Nov 17 21:10:55.167 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 270) ... ok
Nov 17 21:10:55.183 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 247) ... ok
Nov 17 21:10:55.460 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 7) ... FAILED
Nov 17 21:10:55.937 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 59) ... FAILED
Nov 17 21:10:57.583 INFO [stdout] test src/ch11/thread_sync.rs - ch11::thread_sync::thread_safe (line 78) ... ok
Nov 17 21:10:57.584 INFO [stdout] test src/ch12/mod.rs - ch12::title (line 8) ... ok
Nov 17 21:10:57.792 INFO [stdout] test src/ch11/thread_unsafe.rs - ch11::thread_unsafe::unsafe_seq (line 10) ... ok
Nov 17 21:10:58.443 INFO [stdout] test src/ch2/binding.rs - ch2::binding::immutable_and_mutable (line 21) ... FAILED
Nov 17 21:10:59.298 INFO [stdout] test src/ch2/annotation.rs - ch2::annotation::annotation (line 5) ... ok
Nov 17 21:10:59.411 INFO [stdout] test src/ch2/binding.rs - ch2::binding::ownership (line 41) ... FAILED
Nov 17 21:10:59.495 INFO [stdout] test src/ch13/mod.rs - ch13::title (line 8) ... ok
Nov 17 21:11:00.615 INFO [stdout] test src/ch2/collections.rs - ch2::collections::binary_heap (line 248) ... ok
Nov 17 21:11:00.623 INFO [stdout] test src/ch2/binding.rs - ch2::binding::temp (line 6) ... FAILED
Nov 17 21:11:01.335 INFO [stdout] test src/ch2/binding.rs - ch2::binding::reference (line 69) ... ok
Nov 17 21:11:03.667 INFO [stdout] test src/ch2/collections.rs - ch2::collections::linked_list (line 87) ... ok
Nov 17 21:11:03.991 INFO [stdout] test src/ch2/collections.rs - ch2::collections::hashset_btreeset (line 195) ... ok
Nov 17 21:11:04.243 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::if_expr (line 5) ... ok
Nov 17 21:11:05.604 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::for_fizzbuzz (line 108) ... ok
Nov 17 21:11:05.835 INFO [stdout] test src/ch2/collections.rs - ch2::collections::vec_deque (line 43) ... ok
Nov 17 21:11:06.247 INFO [stdout] test src/ch2/collections.rs - ch2::collections::vec_example (line 5) ... ok
Nov 17 21:11:06.261 INFO [stdout] test src/ch2/collections.rs - ch2::collections::map_demo (line 143) ... ok
Nov 17 21:11:07.447 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::if_let_bool (line 234) ... ok
Nov 17 21:11:08.106 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::if_true (line 162) ... FAILED
Nov 17 21:11:08.911 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::loop_fizzbuzz (line 69) ... ok
Nov 17 21:11:09.429 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::loop_match_pop (line 278) ... ok
Nov 17 21:11:09.683 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::while_fizzbuzz (line 31) ... ok
Nov 17 21:11:10.042 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::match_expr (line 182) ... ok
Nov 17 21:11:10.495 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::match_bool (line 210) ... ok
Nov 17 21:11:11.621 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::while_let_pop (line 258) ... ok
Nov 17 21:11:12.375 INFO [stdout] test src/ch2/control_flow.rs - ch2::control_flow::while_true (line 142) ... FAILED
Nov 17 21:11:12.603 INFO [stdout] test src/ch2/enums.rs - ch2::enums::IpAddr (line 47) ... ok
Nov 17 21:11:13.495 INFO [stdout] test src/ch2/enums.rs - ch2::enums::Number (line 5) ... ok
Nov 17 21:11:13.595 INFO [stdout] test src/ch2/enums.rs - ch2::enums::Color (line 28) ... ok
Nov 17 21:11:14.515 INFO [stdout] test src/ch2/enums.rs - ch2::enums::MyOption (line 65) ... ok
Nov 17 21:11:14.847 INFO [stdout] test src/ch2/enums.rs - ch2::enums::match_ref_2015 (line 86) ... ok
Nov 17 21:11:15.979 INFO [stdout] test src/ch2/function.rs - ch2::function::closure_math (line 163) ... FAILED
Nov 17 21:11:16.127 INFO [stdout] test src/ch2/errors_handle.rs - ch2::errors_handle::Result (line 15) ... ok
Nov 17 21:11:16.197 INFO [stdout] test src/ch2/enums.rs - ch2::enums::match_ref_2018 (line 109) ... ok
Nov 17 21:11:16.201 INFO [stdout] test src/ch2/errors_handle.rs - ch2::errors_handle::Result (line 5) ... ok
Nov 17 21:11:17.152 INFO [stdout] test src/ch2/function.rs - ch2::function::closure (line 128) ... ok
Nov 17 21:11:17.307 INFO [stdout] test src/ch2/function.rs - ch2::function::fizz_buzz (line 5) ... ok
Nov 17 21:11:17.983 INFO [stdout] test src/ch2/function.rs - ch2::function::init_len (line 113) ... ok
Nov 17 21:11:18.630 INFO [stdout] test src/ch2/function.rs - ch2::function::lexical_scope (line 39) ... ok
Nov 17 21:11:19.691 INFO [stdout] test src/ch2/function.rs - ch2::function::math (line 70) ... ok
Nov 17 21:11:20.055 INFO [stdout] test src/ch2/function.rs - ch2::function::true_maker (line 101) ... ok
Nov 17 21:11:20.079 INFO [stdout] test src/ch2/function.rs - ch2::function::two_times (line 180) ... ok
Nov 17 21:11:21.031 INFO [stdout] test src/ch2/function.rs - ch2::function::two_times_dyn (line 197) ... ok
Nov 17 21:11:21.275 INFO [stdout] test src/ch2/function.rs - ch2::function::two_times_impl (line 216) ... ok
Nov 17 21:11:21.835 INFO [stdout] test src/ch2/mod.rs - ch2::title (line 8) ... ok
Nov 17 21:11:22.856 INFO [stdout] test src/ch2/generics_trait.rs - ch2::generics_trait::Fly (line 32) ... ok
Nov 17 21:11:22.856 INFO [stdout] test src/ch2/generics_trait.rs - ch2::generics_trait::Option (line 5) ... ok
Nov 17 21:11:23.359 INFO [stdout] test src/ch2/generics_trait.rs - ch2::generics_trait::impl_debug_trait (line 69) ... ok
Nov 17 21:11:23.551 INFO [stdout] test src/ch2/mod.rs - ch2::answer (line 22) ... ok
Nov 17 21:11:24.051 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::bool_type (line 5) ... FAILED
Nov 17 21:11:25.047 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::array_type (line 113) ... ok
Nov 17 21:11:25.194 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::nerver (line 322) ... ok
Nov 17 21:11:25.439 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::number_type (line 29) ... ok
Nov 17 21:11:25.439 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::char_type (line 75) ... ok
Nov 17 21:11:25.637 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::range_type (line 143) ... FAILED
Nov 17 21:11:26.257 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::raw_pointer (line 290) ... ok
Nov 17 21:11:27.360 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::slice_type (line 182) ... ok
Nov 17 21:11:27.554 INFO [stdout] test src/ch2/smart_pointer.rs - ch2::smart_pointer::box_demo (line 5) ... FAILED
Nov 17 21:11:27.954 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::str_type (line 218) ... ok
Nov 17 21:11:28.439 INFO [stdout] test src/ch2/structs.rs - ch2::structs::Color (line 68) ... ok
Nov 17 21:11:28.647 INFO [stdout] test src/ch2/primitives.rs - ch2::primitives::tuple_type (line 253) ... ok
Nov 17 21:11:29.555 INFO [stdout] test src/ch2/structs.rs - ch2::structs::Empty (line 97) ... ok
Nov 17 21:11:29.675 INFO [stdout] test src/ch3/abstract_type.rs - ch3::abstract_type::impl_trait (line 101) ... FAILED
Nov 17 21:11:29.855 INFO [stdout] test src/ch11/channels.rs - ch11::channels::channel_demo (line 64) ... test src/ch11/channels.rs - ch11::channels::channel_demo (line 64) has been running for over 60 seconds
Nov 17 21:11:29.868 INFO [stdout] test src/ch2/structs.rs - ch2::structs::Integer (line 82) ... ok
Nov 17 21:11:30.400 INFO [stdout] test src/ch2/structs.rs - ch2::structs::People (line 5) ... FAILED
Nov 17 21:11:31.107 INFO [stdout] test src/ch3/bottom_type.rs - ch3::bottom_type::void_enum (line 35) ... FAILED
Nov 17 21:11:31.415 INFO [stdout] test src/ch3/abstract_type.rs - ch3::abstract_type::impl_trait (line 113) ... ok
Nov 17 21:11:31.437 INFO [stdout] test src/ch3/abstract_type.rs - ch3::abstract_type::trait_object (line 5) ... ok
Nov 17 21:11:32.627 INFO [stdout] test src/ch3/abstract_type.rs - ch3::abstract_type::impl_trait (line 49) ... ok
Nov 17 21:11:32.758 INFO [stdout] test src/ch3/generics.rs - ch3::generics::foo (line 16) ... ok
Nov 17 21:11:32.800 INFO [stdout] test src/ch3/generics.rs - ch3::generics::foo (line 22) ... ok
Nov 17 21:11:33.190 INFO [stdout] test src/ch3/bottom_type.rs - ch3::bottom_type::bottom_type (line 5) ... ok
Nov 17 21:11:34.918 INFO [stdout] test src/ch3/generics.rs - ch3::generics::foo (line 5) ... ok
Nov 17 21:11:35.006 INFO [stdout] test src/ch3/generics.rs - ch3::generics::impl_method (line 40) ... ok
Nov 17 21:11:35.403 INFO [stdout] test src/ch3/generics.rs - ch3::generics::infer_generics (line 74) ... ok
Nov 17 21:11:35.615 INFO [stdout] test src/ch3/mod.rs - ch3::title (line 8) ... ok
Nov 17 21:11:35.769 INFO [stdout] test src/ch3/tag_trait.rs - ch3::tag_trait::sync_send_trait (line 64) ... FAILED
Nov 17 21:11:36.011 INFO [stdout] test src/ch3/tag_trait.rs - ch3::tag_trait::impl_clone (line 19) ... ok
Nov 17 21:11:36.247 INFO [stdout] test src/ch3/tag_trait.rs - ch3::tag_trait::impl_clone (line 7) ... ok
Nov 17 21:11:36.803 INFO [stdout] test src/ch3/tag_trait.rs - ch3::tag_trait::sync_send_trait (line 85) ... FAILED
Nov 17 21:11:36.928 INFO [stdout] test src/ch3/trait_limit.rs - ch3::trait_limit::trait_limit (line 5) ... FAILED
Nov 17 21:11:37.419 INFO [stdout] test src/ch3/trait_limit.rs - ch3::trait_limit::gat (line 179) ... FAILED
Nov 17 21:11:37.471 INFO [stdout] test src/ch3/tag_trait.rs - ch3::tag_trait::test_copy_trait (line 45) ... FAILED
Nov 17 21:11:37.823 INFO [stdout] test src/ch3/trait_limit.rs - ch3::trait_limit::trait_special (line 119) ... ok
Nov 17 21:11:38.270 INFO [stdout] test src/ch3/trait_limit.rs - ch3::trait_limit::trait_limit (line 12) ... ok
Nov 17 21:11:38.270 INFO [stdout] test src/ch3/tag_trait.rs - ch3::tag_trait::sync_send_trait (line 75) ... ok
Nov 17 21:11:38.406 INFO [stdout] test src/ch3/trait_limit.rs - ch3::trait_limit::trait_special (line 83) ... FAILED
Nov 17 21:11:38.685 INFO [stdout] test src/ch3/trait_limit.rs - ch3::trait_limit::trait_special (line 64) ... FAILED
Nov 17 21:11:38.863 INFO [stdout] test src/ch3/traits.rs - ch3::traits::associated_type (line 5) ... FAILED
Nov 17 21:11:40.316 INFO [stdout] test src/ch3/trait_limit.rs - ch3::trait_limit::trait_special (line 94) ... ok
Nov 17 21:11:40.516 INFO [stdout] test src/ch3/traits.rs - ch3::traits::override_op (line 146) ... FAILED
Nov 17 21:11:40.529 INFO [stdout] test src/ch3/traits.rs - ch3::traits::string_add (line 117) ... FAILED
Nov 17 21:11:42.498 INFO [stdout] test src/ch3/traits.rs - ch3::traits::generics_trait (line 68) ... ok
Nov 17 21:11:42.923 INFO [stdout] test src/ch3/traits.rs - ch3::traits::override_op (line 161) ... ok
Nov 17 21:11:43.191 INFO [stdout] test src/ch3/traits.rs - ch3::traits::override_op (line 179) ... ok
Nov 17 21:11:43.387 INFO [stdout] test src/ch3/type_cast.rs - ch3::type_cast::auto_deref (line 16) ... ok
Nov 17 21:11:43.891 INFO [stdout] test src/ch3/traits.rs - ch3::traits::string_add (line 128) ... ok
Nov 17 21:11:45.072 INFO [stdout] test src/ch3/traits.rs - ch3::traits::trait_inherit (line 219) ... ok
Nov 17 21:11:45.092 INFO [stdout] test src/ch3/traits.rs - ch3::traits::trait_bound (line 275) ... ok
Nov 17 21:11:47.079 INFO [stdout] test src/ch3/type_cast.rs - ch3::type_cast::fqsfd (line 106) ... ok
Nov 17 21:11:47.159 INFO [stdout] test src/ch3/type_cast.rs - ch3::type_cast::auto_deref (line 5) ... ok
Nov 17 21:11:47.159 INFO [stdout] test src/ch3/type_cast.rs - ch3::type_cast::fqsfd (line 79) ... ok
Nov 17 21:11:47.507 INFO [stdout] test src/ch3/type_cast.rs - ch3::type_cast::auto_deref (line 24) ... ok
Nov 17 21:11:47.755 INFO [stdout] test src/ch3/type_cast.rs - ch3::type_cast::from_into (line 141) ... ok
Nov 17 21:11:48.563 INFO [stdout] test src/ch3/type_cast.rs - ch3::type_cast::manual_deref (line 43) ... ok
Nov 17 21:11:49.212 INFO [stdout] test src/ch3/type_cast.rs - ch3::type_cast::from_into (line 149) ... ok
Nov 17 21:11:50.633 INFO [stdout] test src/ch3/type_cast.rs - ch3::type_cast::manual_deref (line 60) ... FAILED
Nov 17 21:11:50.670 INFO [stdout] test src/ch3/type_infer.rs - ch3::type_infer::infer_demo (line 23) ... FAILED
Nov 17 21:11:51.388 INFO [stdout] test src/ch3/type_infer.rs - ch3::type_infer::infer_demo (line 37) ... FAILED
Nov 17 21:11:51.899 INFO [stdout] test src/ch3/type_infer.rs - ch3::type_infer::infer_demo (line 30) ... ok
Nov 17 21:11:52.947 INFO [stdout] test src/ch3/type_size.rs - ch3::type_size::reset (line 29) ... FAILED
Nov 17 21:11:53.184 INFO [stdout] test src/ch3/type_infer.rs - ch3::type_infer::infer_demo (line 5) ... ok
Nov 17 21:11:53.671 INFO [stdout] test src/ch3/type_size.rs - ch3::type_size::compare_size (line 93) ... ok
Nov 17 21:11:55.930 INFO [stdout] test src/ch3/type_size.rs - ch3::type_size::reset (line 62) ... ok
Nov 17 21:11:56.002 INFO [stdout] test src/ch3/type_size.rs - ch3::type_size::str_compose (line 6) ... ok
Nov 17 21:11:56.575 INFO [stdout] test src/ch3/type_size.rs - ch3::type_size::reset (line 46) ... ok
Nov 17 21:11:56.811 INFO [stdout] test src/ch3/zero_size.rs - ch3::zero_size::zero_size (line 5) ... ok
Nov 17 21:11:57.447 INFO [stdout] test src/ch3/zero_size.rs - ch3::zero_size::zero_size_loop (line 42) ... FAILED
Nov 17 21:11:57.563 INFO [stdout] test src/ch3/zero_size.rs - ch3::zero_size::zero_size_loop (line 48) ... ok
Nov 17 21:11:58.091 INFO [stdout] test src/ch4/general_concepts.rs - ch4::general_concepts::memory_align (line 32) ... ok
Nov 17 21:11:58.303 INFO [stdout] test src/ch4/general_concepts.rs - ch4::general_concepts::memory_align (line 44) ... ok
Nov 17 21:11:59.443 INFO [stdout] test src/ch4/general_concepts.rs - ch4::general_concepts::simple_stack_frame (line 5) ... ok
Nov 17 21:12:00.071 INFO [stdout] test src/ch4/mod.rs - ch4::title (line 8) ... ok
Nov 17 21:12:00.516 INFO [stdout] test src/ch4/general_concepts.rs - ch4::general_concepts::memory_layout (line 70) ... ok
Nov 17 21:12:00.666 INFO [stdout] test src/ch4/raii.rs - ch4::raii::drop_demo (line 48) ... ok
Nov 17 21:12:01.452 INFO [stdout] test src/ch4/raii.rs - ch4::raii::drop_demo (line 25) ... ok
Nov 17 21:12:02.023 INFO [stdout] test src/ch4/raii.rs - ch4::raii::smart_pointer (line 4) ... ok
Nov 17 21:12:02.051 INFO [stdout] test src/ch4/raii.rs - ch4::raii::drop_demo (line 75) ... ok
Nov 17 21:12:02.399 INFO [stdout] test src/ch4/raii.rs - ch4::raii::drop_demo (line 64) ... ok
Nov 17 21:12:03.743 INFO [stdout] test src/ch4/resource_management.rs - ch4::resource_management::binding_and_func (line 48) ... ok
Nov 17 21:12:03.758 INFO [stdout] test src/ch4/resource_management.rs - ch4::resource_management::binding_and_func (line 26) ... ok
Nov 17 21:12:04.135 INFO [stdout] test src/ch4/resource_management.rs - ch4::resource_management::binding_and_func (line 13) ... ok
Nov 17 21:12:04.447 INFO [stdout] test src/ch4/resource_management.rs - ch4::resource_management::binding_and_func (line 40) ... ok
Nov 17 21:12:05.331 INFO [stdout] test src/ch4/resource_management.rs - ch4::resource_management::binding_and_func (line 5) ... FAILED
Nov 17 21:12:05.767 INFO [stdout] test src/ch5/borrow.rs - ch5::borrow::borrow (line 5) ... ok
Nov 17 21:12:06.133 INFO [stdout] test src/ch5/borrow.rs - ch5::borrow::borrow_check (line 122) ... ok
Nov 17 21:12:06.323 INFO [stdout] test src/ch5/borrow.rs - ch5::borrow::deref_move_type (line 159) ... FAILED
Nov 17 21:12:06.779 INFO [stdout] test src/ch5/borrow.rs - ch5::borrow::borrow (line 20) ... ok
Nov 17 21:12:06.940 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_demo (line 5) ... FAILED
Nov 17 21:12:07.163 INFO [stdout] test src/ch5/borrow.rs - ch5::borrow::borrow_check (line 103) ... ok
Nov 17 21:12:07.395 INFO [stdout] test src/ch5/borrow.rs - ch5::borrow::bubble_sort_demo (line 48) ... ok
Nov 17 21:12:08.256 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 105) ... ok
Nov 17 21:12:08.531 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 145) ... FAILED
Nov 17 21:12:08.793 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 129) ... ok
Nov 17 21:12:09.707 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 204) ... FAILED
Nov 17 21:12:09.766 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 165) ... ok
Nov 17 21:12:10.055 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 218) ... ok
Nov 17 21:12:10.379 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 30) ... FAILED
Nov 17 21:12:10.544 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 58) ... FAILED
Nov 17 21:12:10.859 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 190) ... ok
Nov 17 21:12:11.013 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 44) ... FAILED
Nov 17 21:12:12.131 INFO [stdout] test src/ch5/nll.rs - ch5::nll::borrow_ck_problem (line 20) ... FAILED
Nov 17 21:12:12.516 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 75) ... ok
Nov 17 21:12:12.723 INFO [stdout] test src/ch5/nll.rs - ch5::nll::borrow_ck_problem (line 110) ... FAILED
Nov 17 21:12:12.896 INFO [stdout] test src/ch5/nll.rs - ch5::nll::borrow_ck_problem (line 38) ... FAILED
Nov 17 21:12:13.001 INFO [stdout] test src/ch5/lifetime.rs - ch5::lifetime::lifetime_params (line 92) ... ok
Nov 17 21:12:13.024 INFO [stdout] test src/ch5/nll.rs - ch5::nll::borrow_ck_problem (line 53) ... FAILED
Nov 17 21:12:13.143 INFO [stdout] test src/ch5/mod.rs - ch5::title (line 8) ... ok
Nov 17 21:12:13.827 INFO [stdout] test src/ch5/nll.rs - ch5::nll::mir_explain (line 146) ... FAILED
Nov 17 21:12:13.834 INFO [stdout] test src/ch5/nll.rs - ch5::nll::borrow_ck_problem (line 69) ... FAILED
Nov 17 21:12:13.951 INFO [stdout] test src/ch5/nll.rs - ch5::nll::borrow_ck_problem (line 7) ... FAILED
Nov 17 21:12:14.103 INFO [stdout] test src/ch5/nll.rs - ch5::nll::borrow_ck_problem (line 90) ... FAILED
Nov 17 21:12:14.311 INFO [stdout] test src/ch5/semantic.rs - ch5::semantic::ownership_change (line 67) ... FAILED
Nov 17 21:12:14.443 INFO [stdout] test src/ch5/nll.rs - ch5::nll::mir_explain (line 137) ... FAILED
Nov 17 21:12:15.319 INFO [stdout] test src/ch5/semantic.rs - ch5::semantic::ownership_change (line 81) ... ok
Nov 17 21:12:15.442 INFO [stdout] test src/ch5/semantic.rs - ch5::semantic::raii_demo (line 18) ... FAILED
Nov 17 21:12:15.675 INFO [stdout] test src/ch5/semantic.rs - ch5::semantic::ownership_change (line 95) ... ok
Nov 17 21:12:15.815 INFO [stdout] test src/ch5/semantic.rs - ch5::semantic::value_semantic (line 48) ... FAILED
Nov 17 21:12:16.231 INFO [stdout] test src/ch5/semantic.rs - ch5::semantic::value_semantic (line 39) ... ok
Nov 17 21:12:16.920 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::immut_and_mut (line 13) ... ok
Nov 17 21:12:17.232 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::immut_and_mut (line 4) ... ok
Nov 17 21:12:17.718 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::lexical_scope (line 110) ... ok
Nov 17 21:12:17.967 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::lexical_scope (line 41) ... FAILED
Nov 17 21:12:18.419 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::lexical_scope (line 31) ... ok
Nov 17 21:12:19.257 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::lexical_scope (line 123) ... ok
Nov 17 21:12:19.599 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::lexical_scope (line 59) ... ok
Nov 17 21:12:20.943 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::box_demo (line 15) ... ok
Nov 17 21:12:21.047 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::lexical_scope (line 72) ... ok
Nov 17 21:12:21.257 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::box_demo (line 28) ... ok
Nov 17 21:12:21.267 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::lexical_scope (line 84) ... ok
Nov 17 21:12:22.143 INFO [stdout] test src/ch5/share_mutable.rs - ch5::share_mutable::lexical_scope (line 94) ... ok
Nov 17 21:12:22.627 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::box_demo (line 5) ... ok
Nov 17 21:12:22.771 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::cow (line 222) ... FAILED
Nov 17 21:12:23.627 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::cow (line 196) ... ok
Nov 17 21:12:23.753 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::cow (line 146) ... ok
Nov 17 21:12:24.573 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::inner_mutable (line 127) ... ok
Nov 17 21:12:24.679 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::inner_mutable (line 97) ... ok
Nov 17 21:12:24.726 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::inner_mutable (line 115) ... ok
Nov 17 21:12:25.271 INFO [stdout] test src/ch5/smart_pointer.rs - ch5::smart_pointer::share_ownership (line 51) ... ok
Nov 17 21:12:25.707 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 180) ... ok
Nov 17 21:12:25.955 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 224) ... ok
Nov 17 21:12:26.471 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 192) ... ok
Nov 17 21:12:26.799 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 240) ... ok
Nov 17 21:12:27.036 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 252) ... ok
Nov 17 21:12:28.295 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 271) ... ok
Nov 17 21:12:28.695 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 283) ... ok
Nov 17 21:12:29.559 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 323) ... ok
Nov 17 21:12:30.161 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 306) ... ok
Nov 17 21:12:30.348 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closure_gen_type (line 344) ... ok
Nov 17 21:12:30.829 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closures (line 17) ... ok
Nov 17 21:12:30.897 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closures (line 40) ... FAILED
Nov 17 21:12:31.232 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closures (line 29) ... ok
Nov 17 21:12:31.944 INFO [stdout] test src/ch6/closures.rs - ch6::closures::closures (line 5) ... ok
Nov 17 21:12:32.651 INFO [stdout] test src/ch6/closures.rs - ch6::closures::higher_kind_lifetime (line 532) ... FAILED
Nov 17 21:12:33.016 INFO [stdout] test src/ch6/closures.rs - ch6::closures::custom_closures (line 116) ... ok
Nov 17 21:12:33.700 INFO [stdout] test src/ch6/closures.rs - ch6::closures::higher_kind_lifetime (line 554) ... ok
Nov 17 21:12:33.915 INFO [stdout] test src/ch6/closures.rs - ch6::closures::higher_kind_lifetime (line 576) ... ok
Nov 17 21:12:34.315 INFO [stdout] test src/ch6/closures.rs - ch6::closures::custom_closures (line 61) ... ok
Nov 17 21:12:34.848 INFO [stdout] test src/ch6/closures.rs - ch6::closures::higher_kind_lifetime (line 604) ... ok
Nov 17 21:12:35.827 INFO [stdout] test src/ch6/closures.rs - ch6::closures::pass_closure (line 365) ... ok
Nov 17 21:12:36.767 INFO [stdout] test src/ch6/closures.rs - ch6::closures::pass_closure (line 414) ... ok
Nov 17 21:12:36.803 INFO [stdout] test src/ch6/closures.rs - ch6::closures::pass_closure (line 385) ... ok
Nov 17 21:12:36.811 INFO [stdout] test src/ch6/closures.rs - ch6::closures::pass_closure (line 454) ... FAILED
Nov 17 21:12:37.007 INFO [stdout] test src/ch6/closures.rs - ch6::closures::pass_closure (line 476) ... FAILED
Nov 17 21:12:37.272 INFO [stdout] test src/ch6/closures.rs - ch6::closures::pass_closure (line 431) ... ok
Nov 17 21:12:37.375 INFO [stdout] test src/ch6/closures.rs - ch6::closures::pass_closure (line 463) ... ok
Nov 17 21:12:37.923 INFO [stdout] test src/ch6/closures.rs - ch6::closures::pass_closure (line 488) ... ok
Nov 17 21:12:39.064 INFO [stdout] test src/ch6/functions.rs - ch6::functions::function_pattern_match (line 103) ... ok
Nov 17 21:12:40.445 INFO [stdout] test src/ch6/closures.rs - ch6::closures::pass_closure (line 502) ... ok
Nov 17 21:12:40.446 INFO [stdout] test src/ch6/functions.rs - ch6::functions::function_pattern_match (line 88) ... ok
Nov 17 21:12:40.715 INFO [stdout] test src/ch6/functions.rs - ch6::functions::function_pattern_match (line 114) ... ok
Nov 17 21:12:40.838 INFO [stdout] test src/ch6/functions.rs - ch6::functions::function_return (line 142) ... ok
Nov 17 21:12:41.192 INFO [stdout] test src/ch6/functions.rs - ch6::functions::function_return (line 156) ... ok
Nov 17 21:12:41.193 INFO [stdout] test src/ch6/functions.rs - ch6::functions::function_shadow (line 46) ... ok
Nov 17 21:12:42.947 INFO [stdout] test src/ch6/functions.rs - ch6::functions::function_shadow (line 61) ... ok
Nov 17 21:12:42.947 INFO [stdout] test src/ch6/functions.rs - ch6::functions::generic_function (line 181) ... ok
Nov 17 21:12:43.287 INFO [stdout] test src/ch6/functions.rs - ch6::functions::generic_function (line 196) ... ok
Nov 17 21:12:43.489 INFO [stdout] test src/ch6/functions.rs - ch6::functions::higher_kind_function (line 296) ... ok
Nov 17 21:12:43.515 INFO [stdout] test src/ch6/functions.rs - ch6::functions::higher_kind_function (line 348) ... FAILED
Nov 17 21:12:43.751 INFO [stdout] test src/ch6/functions.rs - ch6::functions::higher_kind_function (line 274) ... ok
Nov 17 21:12:43.999 INFO [stdout] test src/ch6/functions.rs - ch6::functions::higher_kind_function (line 314) ... ok
Nov 17 21:12:44.553 INFO [stdout] test src/ch6/functions.rs - ch6::functions::higher_kind_function (line 386) ... FAILED
Nov 17 21:12:45.123 INFO [stdout] test src/ch6/functions.rs - ch6::functions::higher_kind_function (line 370) ... ok
Nov 17 21:12:45.583 INFO [stdout] test src/ch6/functions.rs - ch6::functions::mut_params (line 19) ... ok
Nov 17 21:12:45.804 INFO [stdout] test src/ch6/functions.rs - ch6::functions::method_and_function (line 226) ... ok
Nov 17 21:12:46.462 INFO [stdout] test src/ch6/functions.rs - ch6::functions::mut_params (line 5) ... ok
Nov 17 21:12:46.462 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 111) ... ok
Nov 17 21:12:46.783 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 129) ... ok
Nov 17 21:12:46.963 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 142) ... FAILED
Nov 17 21:12:47.789 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 168) ... ok
Nov 17 21:12:48.007 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 194) ... ok
Nov 17 21:12:48.347 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 179) ... ok
Nov 17 21:12:49.071 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 212) ... ok
Nov 17 21:12:49.371 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 28) ... ok
Nov 17 21:12:49.697 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 248) ... ok
Nov 17 21:12:49.699 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 293) ... ok
Nov 17 21:12:50.788 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 39) ... ok
Nov 17 21:12:51.291 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 58) ... ok
Nov 17 21:12:51.548 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 5) ... ok
Nov 17 21:12:51.615 INFO [stdout] test src/ch6/mod.rs - ch6::title (line 8) ... ok
Nov 17 21:12:51.849 INFO [stdout] test src/ch7/design_pattern.rs - ch7::design_pattern::design_patterns (line 145) ... ok
Nov 17 21:12:52.100 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 86) ... ok
Nov 17 21:12:52.271 INFO [stdout] test src/ch6/iters.rs - ch6::iters::iters (line 98) ... ok
Nov 17 21:12:53.441 INFO [stdout] test src/ch7/design_pattern.rs - ch7::design_pattern::design_patterns (line 208) ... ok
Nov 17 21:12:53.640 INFO [stdout] test src/ch7/mod.rs - ch7::title (line 8) ... ok
Nov 17 21:12:54.047 INFO [stdout] test src/ch7/design_pattern.rs - ch7::design_pattern::design_patterns (line 7) ... ok
Nov 17 21:12:54.103 INFO [stdout] test src/ch7/design_pattern.rs - ch7::design_pattern::design_patterns (line 63) ... ok
Nov 17 21:12:54.807 INFO [stdout] test src/ch7/structs.rs - ch7::structs::drop_order (line 345) ... FAILED
Nov 17 21:12:54.875 INFO [stdout] test src/ch7/structs.rs - ch7::structs::color_terminal (line 65) ... ok
Nov 17 21:12:55.315 INFO [stdout] test src/ch7/structs.rs - ch7::structs::color_terminal (line 165) ... ok
Nov 17 21:12:55.497 INFO [stdout] test src/ch7/structs.rs - ch7::structs::drop_order (line 354) ... FAILED
Nov 17 21:12:55.654 INFO [stdout] test src/ch7/structs.rs - ch7::structs::drop_order (line 363) ... FAILED
Nov 17 21:12:55.989 INFO [stdout] test src/ch7/structs.rs - ch7::structs::drop_order (line 372) ... FAILED
Nov 17 21:12:56.047 INFO [stdout] test src/ch7/structs.rs - ch7::structs::drop_order (line 383) ... FAILED
Nov 17 21:12:56.418 INFO [stdout] test src/ch8/bases.rs - ch8::bases::bases (line 22) ... FAILED
Nov 17 21:12:56.447 INFO [stdout] test src/ch7/structs.rs - ch7::structs::structs_intro (line 24) ... FAILED
Nov 17 21:12:56.739 INFO [stdout] test src/ch7/structs.rs - ch7::structs::structs_intro (line 5) ... ok
Nov 17 21:12:57.063 INFO [stdout] test src/ch7/structs.rs - ch7::structs::drop_order (line 397) ... ok
Nov 17 21:12:57.411 INFO [stdout] test src/ch8/bases.rs - ch8::bases::bases (line 38) ... FAILED
Nov 17 21:12:57.985 INFO [stdout] test src/ch8/bases.rs - ch8::bases::bases (line 51) ... ok
Nov 17 21:12:58.157 INFO [stdout] test src/ch8/bases.rs - ch8::bases::bases (line 5) ... ok
Nov 17 21:12:58.431 INFO [stdout] test src/ch8/bases.rs - ch8::bases::bases (line 60) ... FAILED
Nov 17 21:12:58.855 INFO [stdout] test src/ch8/hashmaps.rs - ch8::hashmaps::hashmaps (line 38) ... ok
Nov 17 21:12:59.000 INFO [stdout] test src/ch8/mod.rs - ch8::title (line 8) ... ok
Nov 17 21:12:59.570 INFO [stdout] test src/ch8/hashmaps.rs - ch8::hashmaps::hashmaps (line 5) ... ok
Nov 17 21:12:59.570 INFO [stdout] test src/ch8/hashmaps.rs - ch8::hashmaps::hashmaps (line 56) ... ok
Nov 17 21:13:00.727 INFO [stdout] test src/ch8/strings.rs - ch8::strings::practices (line 521) ... ok
Nov 17 21:13:01.215 INFO [stdout] test src/ch8/strings.rs - ch8::strings::practices (line 543) ... ok
Nov 17 21:13:01.527 INFO [stdout] test src/ch8/strings.rs - ch8::strings::practices (line 566) ... ok
Nov 17 21:13:02.902 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 102) ... ok
Nov 17 21:13:03.372 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 114) ... ok
Nov 17 21:13:03.472 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 127) ... ok
Nov 17 21:13:03.866 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 141) ... ok
Nov 17 21:13:03.987 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 153) ... FAILED
Nov 17 21:13:05.139 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 171) ... ok
Nov 17 21:13:06.595 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 187) ... ok
Nov 17 21:13:07.567 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 71) ... ok
Nov 17 21:13:07.867 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 88) ... ok
Nov 17 21:13:07.879 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 47) ... ok
Nov 17 21:13:08.209 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 23) ... ok
Nov 17 21:13:08.495 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings (line 9) ... ok
Nov 17 21:13:09.839 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_convert (line 363) ... ok
Nov 17 21:13:10.355 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_convert (line 426) ... ok
Nov 17 21:13:11.627 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_convert (line 375) ... ok
Nov 17 21:13:11.639 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_convert (line 444) ... ok
Nov 17 21:13:12.641 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_convert (line 406) ... ok
Nov 17 21:13:13.305 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_convert (line 459) ... ok
Nov 17 21:13:13.691 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_search (line 219) ... ok
Nov 17 21:13:15.367 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_search (line 233) ... ok
Nov 17 21:13:16.407 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_search (line 299) ... ok
Nov 17 21:13:16.479 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_search (line 250) ... ok
Nov 17 21:13:16.856 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_search (line 279) ... ok
Nov 17 21:13:17.891 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_search (line 339) ... ok
Nov 17 21:13:17.913 INFO [stdout] test src/ch8/strings.rs - ch8::strings::strings_search (line 311) ... FAILED
Nov 17 21:13:19.503 INFO [stdout] test src/ch8/vectors.rs - ch8::vectors::bases (line 113) ... ok
Nov 17 21:13:19.721 INFO [stdout] test src/ch8/vectors.rs - ch8::vectors::bases (line 149) ... ok
Nov 17 21:13:20.703 INFO [stdout] test src/ch8/vectors.rs - ch8::vectors::bases (line 170) ... ok
Nov 17 21:13:20.883 INFO [stdout] test src/ch8/vectors.rs - ch8::vectors::bases (line 129) ... ok
Nov 17 21:13:21.377 INFO [stdout] test src/ch8/vectors.rs - ch8::vectors::bases (line 60) ... ok
Nov 17 21:13:22.011 INFO [stdout] test src/ch8/vectors.rs - ch8::vectors::bases (line 39) ... ok
Nov 17 21:13:22.740 INFO [stdout] test src/ch8/vectors.rs - ch8::vectors::bases (line 5) ... FAILED
Nov 17 21:13:23.719 INFO [stdout] test src/ch8/vectors.rs - ch8::vectors::bases (line 71) ... ok
Nov 17 21:13:24.237 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 101) ... ok
Nov 17 21:13:24.239 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 10) ... ok
Nov 17 21:13:24.327 INFO [stdout] test src/ch8/vectors.rs - ch8::vectors::bases (line 89) ... ok
Nov 17 21:13:25.156 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 113) ... ok
Nov 17 21:13:26.339 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 164) ... FAILED
Nov 17 21:13:26.578 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 138) ... FAILED
Nov 17 21:13:26.906 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 300) ... FAILED
Nov 17 21:13:27.078 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 216) ... FAILED
Nov 17 21:13:27.258 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 389) ... FAILED
Nov 17 21:13:27.508 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 53) ... FAILED
Nov 17 21:13:27.524 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 38) ... FAILED
Nov 17 21:13:28.924 INFO [stdout] test src/ch9/failures.rs - ch9::failures::eliminate_failure (line 8) ... FAILED
Nov 17 21:13:29.287 INFO [stdout] test src/ch9/errors.rs - ch9::errors::error_handle (line 65) ... ok
Nov 17 21:13:29.687 INFO [stdout] test src/ch9/failures.rs - ch9::failures::eliminate_failure (line 19) ... ok
Nov 17 21:13:29.857 INFO [stdout] test src/ch9/mod.rs - ch9::failures_crate (line 8) ... ok
Nov 17 21:13:29.998 INFO [stdout] test src/ch9/panics.rs - ch9::panics::panics (line 8) ... ok
Nov 17 21:13:30.025 INFO [stdout] test src/ch9/panics.rs - ch9::panics::panics (line 24) ... ok
Nov 17 21:18:30.033 ERRO error running command: no output for 300 seconds
Nov 17 21:18:30.033 INFO running `"docker" "inspect" "02730b78ea50935e5bb1922a3cc49ed4b05bbdf421434bb29362b4eec33b2b4d"`
Nov 17 21:18:30.308 INFO running `"docker" "rm" "-f" "02730b78ea50935e5bb1922a3cc49ed4b05bbdf421434bb29362b4eec33b2b4d"`
Nov 17 21:18:31.622 INFO [stdout] 02730b78ea50935e5bb1922a3cc49ed4b05bbdf421434bb29362b4eec33b2b4d