Oct 27 04:04:44.149 INFO checking guni973/learn_rust against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2
Oct 27 04:04:44.151 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-0/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-0/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 27 04:04:44.494 INFO blam! 7aa53473c9586353dfa098a36891c2e6622f17002f9b03a1f5f1784d0244a992
Oct 27 04:04:44.499 INFO running `"docker" "start" "-a" "7aa53473c9586353dfa098a36891c2e6622f17002f9b03a1f5f1784d0244a992"`
Oct 27 04:04:45.547 INFO kablam! usermod: no changes
Oct 27 04:04:45.605 INFO kablam!     Checking hello_world v0.1.0 (/source)
Oct 27 04:04:46.103 INFO kablam! warning: unreachable statement
Oct 27 04:04:46.103 INFO kablam!    --> src/main.rs:102:5
Oct 27 04:04:46.103 INFO kablam!     |
Oct 27 04:04:46.103 INFO kablam! 102 |     let mut x = 5;
Oct 27 04:04:46.103 INFO kablam!     |     ^^^^^^^^^^^^^^
Oct 27 04:04:46.103 INFO kablam!     |
Oct 27 04:04:46.103 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Oct 27 04:04:46.103 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `a`
Oct 27 04:04:46.123 INFO kablam!  --> src/main.rs:6:9
Oct 27 04:04:46.123 INFO kablam!   |
Oct 27 04:04:46.123 INFO kablam! 6 |     let a = 5;
Oct 27 04:04:46.123 INFO kablam!   |         ^ help: consider using `_a` instead
Oct 27 04:04:46.123 INFO kablam!   |
Oct 27 04:04:46.123 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 27 04:04:46.123 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `b`
Oct 27 04:04:46.123 INFO kablam!  --> src/main.rs:8:9
Oct 27 04:04:46.123 INFO kablam!   |
Oct 27 04:04:46.123 INFO kablam! 8 |     let b: i32 = 5;
Oct 27 04:04:46.123 INFO kablam!   |         ^ help: consider using `_b` instead
Oct 27 04:04:46.123 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `c`
Oct 27 04:04:46.123 INFO kablam!   --> src/main.rs:10:9
Oct 27 04:04:46.123 INFO kablam!    |
Oct 27 04:04:46.123 INFO kablam! 10 |     let c: u32 = 5;
Oct 27 04:04:46.123 INFO kablam!    |         ^ help: consider using `_c` instead
Oct 27 04:04:46.123 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `d`
Oct 27 04:04:46.123 INFO kablam!   --> src/main.rs:12:13
Oct 27 04:04:46.123 INFO kablam!    |
Oct 27 04:04:46.123 INFO kablam! 12 |     let mut d = 5;
Oct 27 04:04:46.123 INFO kablam!    |             ^ help: consider using `_d` instead
Oct 27 04:04:46.123 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.123 INFO kablam!   --> src/main.rs:19:10
Oct 27 04:04:46.123 INFO kablam!    |
Oct 27 04:04:46.123 INFO kablam! 19 |     let (x, y) = (1, 2);
Oct 27 04:04:46.123 INFO kablam!    |          ^ help: consider using `_x` instead
Oct 27 04:04:46.123 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.123 INFO kablam!   --> src/main.rs:19:13
Oct 27 04:04:46.123 INFO kablam!    |
Oct 27 04:04:46.123 INFO kablam! 19 |     let (x, y) = (1, 2);
Oct 27 04:04:46.123 INFO kablam!    |             ^ help: consider using `_y` instead
Oct 27 04:04:46.123 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.123 INFO kablam!   --> src/main.rs:38:9
Oct 27 04:04:46.123 INFO kablam!    |
Oct 27 04:04:46.123 INFO kablam! 38 |     let x = true;
Oct 27 04:04:46.123 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.123 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.123 INFO kablam!   --> src/main.rs:39:9
Oct 27 04:04:46.123 INFO kablam!    |
Oct 27 04:04:46.123 INFO kablam! 39 |     let y: bool = false;
Oct 27 04:04:46.123 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 27 04:04:46.123 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.123 INFO kablam!   --> src/main.rs:44:9
Oct 27 04:04:46.123 INFO kablam!    |
Oct 27 04:04:46.123 INFO kablam! 44 |     let x = 'x';
Oct 27 04:04:46.123 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.123 INFO kablam! 
Oct 27 04:04:46.123 INFO kablam! warning: unused variable: `two_hearts`
Oct 27 04:04:46.123 INFO kablam!   --> src/main.rs:45:9
Oct 27 04:04:46.124 INFO kablam!    |
Oct 27 04:04:46.124 INFO kablam! 45 |     let two_hearts = '¶';
Oct 27 04:04:46.124 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_two_hearts` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:48:9
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 48 |     let x = 42; // xはi32型を持つ
Oct 27 04:04:46.132 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:49:9
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 49 |     let y = 1.0; // yはf64型を持つ
Oct 27 04:04:46.132 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: unused variable: `a`
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:52:9
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 52 |     let a = [0, 1, 2, 3, 4];
Oct 27 04:04:46.132 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: unused variable: `m`
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:53:13
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 53 |     let mut m = [1, 2, 3];
Oct 27 04:04:46.132 INFO kablam!    |             ^ help: consider using `_m` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: unused variable: `complete`
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:60:9
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 60 |     let complete = &a[..];
Oct 27 04:04:46.132 INFO kablam!    |         ^^^^^^^^ help: consider using `_complete` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: unused variable: `middle`
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:62:9
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 62 |     let middle = &a[1..4];
Oct 27 04:04:46.132 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:67:9
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 67 |     let x = (1, "hello");
Oct 27 04:04:46.132 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:68:9
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 68 |     let x: (i32, &str) = (1, "hello");
Oct 27 04:04:46.132 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: variable `x` is assigned to, but never used
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:70:13
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 70 |     let mut x = (1, 2);
Oct 27 04:04:46.132 INFO kablam!    |             ^
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam!    = note: consider using `_x` instead
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: value assigned to `x` is never read
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:72:5
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 72 |     x = y;
Oct 27 04:04:46.132 INFO kablam!    |     ^
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 04:04:46.132 INFO kablam! 
Oct 27 04:04:46.132 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.132 INFO kablam!   --> src/main.rs:74:10
Oct 27 04:04:46.132 INFO kablam!    |
Oct 27 04:04:46.132 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Oct 27 04:04:46.133 INFO kablam!    |          ^ help: consider using `_x` instead
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:74:13
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Oct 27 04:04:46.133 INFO kablam!    |             ^ help: consider using `_y` instead
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: unused variable: `z`
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:74:16
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Oct 27 04:04:46.133 INFO kablam!    |                ^ help: consider using `_z` instead
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:93:9
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 93 |     let y = if x == 5 { 10 } else { 15 };
Oct 27 04:04:46.133 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:12:9
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 12 |     let mut d = 5;
Oct 27 04:04:46.133 INFO kablam!    |         ----^
Oct 27 04:04:46.133 INFO kablam!    |         |
Oct 27 04:04:46.133 INFO kablam!    |         help: remove this `mut`
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:53:9
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 53 |     let mut m = [1, 2, 3];
Oct 27 04:04:46.133 INFO kablam!    |         ----^
Oct 27 04:04:46.133 INFO kablam!    |         |
Oct 27 04:04:46.133 INFO kablam!    |         help: remove this `mut`
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: function is never used: `declartion`
Oct 27 04:04:46.133 INFO kablam!  --> src/main.rs:3:1
Oct 27 04:04:46.133 INFO kablam!   |
Oct 27 04:04:46.133 INFO kablam! 3 | fn declartion () {
Oct 27 04:04:46.133 INFO kablam!   | ^^^^^^^^^^^^^^^^
Oct 27 04:04:46.133 INFO kablam!   |
Oct 27 04:04:46.133 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: function is never used: `print_number`
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:26:1
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 26 | fn print_number(x: i32) {
Oct 27 04:04:46.133 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: function is never used: `add_one`
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:31:1
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 31 | fn add_one(x: i32) -> i32 {
Oct 27 04:04:46.133 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: function is never used: `primitive`
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:36:1
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 36 | fn primitive() {
Oct 27 04:04:46.133 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: function is never used: `if_demo`
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:80:1
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 80 | fn if_demo() {
Oct 27 04:04:46.133 INFO kablam!    | ^^^^^^^^^^^^
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.133 INFO kablam! warning: function is never used: `loop_demo`
Oct 27 04:04:46.133 INFO kablam!   --> src/main.rs:97:1
Oct 27 04:04:46.133 INFO kablam!    |
Oct 27 04:04:46.133 INFO kablam! 97 | fn loop_demo () {
Oct 27 04:04:46.133 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 27 04:04:46.133 INFO kablam! 
Oct 27 04:04:46.267 INFO kablam! warning: unreachable statement
Oct 27 04:04:46.267 INFO kablam!    --> src/main.rs:102:5
Oct 27 04:04:46.267 INFO kablam!     |
Oct 27 04:04:46.267 INFO kablam! 102 |     let mut x = 5;
Oct 27 04:04:46.267 INFO kablam!     |     ^^^^^^^^^^^^^^
Oct 27 04:04:46.267 INFO kablam!     |
Oct 27 04:04:46.267 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Oct 27 04:04:46.267 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `a`
Oct 27 04:04:46.291 INFO kablam!  --> src/main.rs:6:9
Oct 27 04:04:46.291 INFO kablam!   |
Oct 27 04:04:46.291 INFO kablam! 6 |     let a = 5;
Oct 27 04:04:46.291 INFO kablam!   |         ^ help: consider using `_a` instead
Oct 27 04:04:46.291 INFO kablam!   |
Oct 27 04:04:46.291 INFO kablam!   = note: #[warn(unused_variables)] on by default
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `b`
Oct 27 04:04:46.291 INFO kablam!  --> src/main.rs:8:9
Oct 27 04:04:46.291 INFO kablam!   |
Oct 27 04:04:46.291 INFO kablam! 8 |     let b: i32 = 5;
Oct 27 04:04:46.291 INFO kablam!   |         ^ help: consider using `_b` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `c`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:10:9
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 10 |     let c: u32 = 5;
Oct 27 04:04:46.291 INFO kablam!    |         ^ help: consider using `_c` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `d`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:12:13
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 12 |     let mut d = 5;
Oct 27 04:04:46.291 INFO kablam!    |             ^ help: consider using `_d` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:19:10
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 19 |     let (x, y) = (1, 2);
Oct 27 04:04:46.291 INFO kablam!    |          ^ help: consider using `_x` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:19:13
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 19 |     let (x, y) = (1, 2);
Oct 27 04:04:46.291 INFO kablam!    |             ^ help: consider using `_y` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:38:9
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 38 |     let x = true;
Oct 27 04:04:46.291 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:39:9
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 39 |     let y: bool = false;
Oct 27 04:04:46.291 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:44:9
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 44 |     let x = 'x';
Oct 27 04:04:46.291 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `two_hearts`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:45:9
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 45 |     let two_hearts = '¶';
Oct 27 04:04:46.291 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_two_hearts` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:48:9
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 48 |     let x = 42; // xはi32型を持つ
Oct 27 04:04:46.291 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.291 INFO kablam!   --> src/main.rs:49:9
Oct 27 04:04:46.291 INFO kablam!    |
Oct 27 04:04:46.291 INFO kablam! 49 |     let y = 1.0; // yはf64型を持つ
Oct 27 04:04:46.291 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 27 04:04:46.291 INFO kablam! 
Oct 27 04:04:46.291 INFO kablam! warning: unused variable: `a`
Oct 27 04:04:46.292 INFO kablam!   --> src/main.rs:52:9
Oct 27 04:04:46.292 INFO kablam!    |
Oct 27 04:04:46.292 INFO kablam! 52 |     let a = [0, 1, 2, 3, 4];
Oct 27 04:04:46.292 INFO kablam!    |         ^ help: consider using `_a` instead
Oct 27 04:04:46.292 INFO kablam! 
Oct 27 04:04:46.292 INFO kablam! warning: unused variable: `m`
Oct 27 04:04:46.292 INFO kablam!   --> src/main.rs:53:13
Oct 27 04:04:46.292 INFO kablam!    |
Oct 27 04:04:46.292 INFO kablam! 53 |     let mut m = [1, 2, 3];
Oct 27 04:04:46.292 INFO kablam!    |             ^ help: consider using `_m` instead
Oct 27 04:04:46.292 INFO kablam! 
Oct 27 04:04:46.292 INFO kablam! warning: unused variable: `complete`
Oct 27 04:04:46.292 INFO kablam!   --> src/main.rs:60:9
Oct 27 04:04:46.292 INFO kablam!    |
Oct 27 04:04:46.292 INFO kablam! 60 |     let complete = &a[..];
Oct 27 04:04:46.292 INFO kablam!    |         ^^^^^^^^ help: consider using `_complete` instead
Oct 27 04:04:46.292 INFO kablam! 
Oct 27 04:04:46.292 INFO kablam! warning: unused variable: `middle`
Oct 27 04:04:46.292 INFO kablam!   --> src/main.rs:62:9
Oct 27 04:04:46.292 INFO kablam!    |
Oct 27 04:04:46.292 INFO kablam! 62 |     let middle = &a[1..4];
Oct 27 04:04:46.292 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Oct 27 04:04:46.292 INFO kablam! 
Oct 27 04:04:46.292 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.292 INFO kablam!   --> src/main.rs:67:9
Oct 27 04:04:46.292 INFO kablam!    |
Oct 27 04:04:46.292 INFO kablam! 67 |     let x = (1, "hello");
Oct 27 04:04:46.292 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.292 INFO kablam! 
Oct 27 04:04:46.298 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.299 INFO kablam!   --> src/main.rs:68:9
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam! 68 |     let x: (i32, &str) = (1, "hello");
Oct 27 04:04:46.299 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 27 04:04:46.299 INFO kablam! 
Oct 27 04:04:46.299 INFO kablam! warning: variable `x` is assigned to, but never used
Oct 27 04:04:46.299 INFO kablam!   --> src/main.rs:70:13
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam! 70 |     let mut x = (1, 2);
Oct 27 04:04:46.299 INFO kablam!    |             ^
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam!    = note: consider using `_x` instead
Oct 27 04:04:46.299 INFO kablam! 
Oct 27 04:04:46.299 INFO kablam! warning: value assigned to `x` is never read
Oct 27 04:04:46.299 INFO kablam!   --> src/main.rs:72:5
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam! 72 |     x = y;
Oct 27 04:04:46.299 INFO kablam!    |     ^
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 27 04:04:46.299 INFO kablam! 
Oct 27 04:04:46.299 INFO kablam! warning: unused variable: `x`
Oct 27 04:04:46.299 INFO kablam!   --> src/main.rs:74:10
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Oct 27 04:04:46.299 INFO kablam!    |          ^ help: consider using `_x` instead
Oct 27 04:04:46.299 INFO kablam! 
Oct 27 04:04:46.299 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.299 INFO kablam!   --> src/main.rs:74:13
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Oct 27 04:04:46.299 INFO kablam!    |             ^ help: consider using `_y` instead
Oct 27 04:04:46.299 INFO kablam! 
Oct 27 04:04:46.299 INFO kablam! warning: unused variable: `z`
Oct 27 04:04:46.299 INFO kablam!   --> src/main.rs:74:16
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Oct 27 04:04:46.299 INFO kablam!    |                ^ help: consider using `_z` instead
Oct 27 04:04:46.299 INFO kablam! 
Oct 27 04:04:46.299 INFO kablam! warning: unused variable: `y`
Oct 27 04:04:46.299 INFO kablam!   --> src/main.rs:93:9
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam! 93 |     let y = if x == 5 { 10 } else { 15 };
Oct 27 04:04:46.299 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 27 04:04:46.299 INFO kablam! 
Oct 27 04:04:46.299 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:04:46.299 INFO kablam!   --> src/main.rs:12:9
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam! 12 |     let mut d = 5;
Oct 27 04:04:46.299 INFO kablam!    |         ----^
Oct 27 04:04:46.299 INFO kablam!    |         |
Oct 27 04:04:46.299 INFO kablam!    |         help: remove this `mut`
Oct 27 04:04:46.299 INFO kablam!    |
Oct 27 04:04:46.299 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 27 04:04:46.299 INFO kablam! 
Oct 27 04:04:46.331 INFO kablam! warning: variable does not need to be mutable
Oct 27 04:04:46.331 INFO kablam!   --> src/main.rs:53:9
Oct 27 04:04:46.331 INFO kablam!    |
Oct 27 04:04:46.331 INFO kablam! 53 |     let mut m = [1, 2, 3];
Oct 27 04:04:46.331 INFO kablam!    |         ----^
Oct 27 04:04:46.331 INFO kablam!    |         |
Oct 27 04:04:46.331 INFO kablam!    |         help: remove this `mut`
Oct 27 04:04:46.331 INFO kablam! 
Oct 27 04:04:46.331 INFO kablam! warning: function is never used: `declartion`
Oct 27 04:04:46.331 INFO kablam!  --> src/main.rs:3:1
Oct 27 04:04:46.331 INFO kablam!   |
Oct 27 04:04:46.331 INFO kablam! 3 | fn declartion () {
Oct 27 04:04:46.331 INFO kablam!   | ^^^^^^^^^^^^^^^^
Oct 27 04:04:46.331 INFO kablam!   |
Oct 27 04:04:46.331 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 27 04:04:46.331 INFO kablam! 
Oct 27 04:04:46.331 INFO kablam! warning: function is never used: `print_number`
Oct 27 04:04:46.331 INFO kablam!   --> src/main.rs:26:1
Oct 27 04:04:46.331 INFO kablam!    |
Oct 27 04:04:46.331 INFO kablam! 26 | fn print_number(x: i32) {
Oct 27 04:04:46.331 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:04:46.331 INFO kablam! 
Oct 27 04:04:46.331 INFO kablam! warning: function is never used: `add_one`
Oct 27 04:04:46.331 INFO kablam!   --> src/main.rs:31:1
Oct 27 04:04:46.331 INFO kablam!    |
Oct 27 04:04:46.331 INFO kablam! 31 | fn add_one(x: i32) -> i32 {
Oct 27 04:04:46.331 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 27 04:04:46.331 INFO kablam! 
Oct 27 04:04:46.331 INFO kablam! warning: function is never used: `primitive`
Oct 27 04:04:46.331 INFO kablam!   --> src/main.rs:36:1
Oct 27 04:04:46.331 INFO kablam!    |
Oct 27 04:04:46.331 INFO kablam! 36 | fn primitive() {
Oct 27 04:04:46.331 INFO kablam!    | ^^^^^^^^^^^^^^
Oct 27 04:04:46.331 INFO kablam! 
Oct 27 04:04:46.331 INFO kablam! warning: function is never used: `if_demo`
Oct 27 04:04:46.331 INFO kablam!   --> src/main.rs:80:1
Oct 27 04:04:46.331 INFO kablam!    |
Oct 27 04:04:46.331 INFO kablam! 80 | fn if_demo() {
Oct 27 04:04:46.331 INFO kablam!    | ^^^^^^^^^^^^
Oct 27 04:04:46.331 INFO kablam! 
Oct 27 04:04:46.331 INFO kablam! warning: function is never used: `loop_demo`
Oct 27 04:04:46.331 INFO kablam!   --> src/main.rs:97:1
Oct 27 04:04:46.331 INFO kablam!    |
Oct 27 04:04:46.331 INFO kablam! 97 | fn loop_demo () {
Oct 27 04:04:46.331 INFO kablam!    | ^^^^^^^^^^^^^^^
Oct 27 04:04:46.331 INFO kablam! 
Oct 27 04:04:46.370 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Oct 27 04:04:46.370 INFO kablam! su: No module specific data is present
Oct 27 04:04:46.823 INFO running `"docker" "rm" "-f" "7aa53473c9586353dfa098a36891c2e6622f17002f9b03a1f5f1784d0244a992"`
Oct 27 04:04:46.965 INFO blam! 7aa53473c9586353dfa098a36891c2e6622f17002f9b03a1f5f1784d0244a992