Nov 01 08:47:36.429 INFO testing guni973/learn_rust against 1.30.0 for beta-1.31-1
Nov 01 08:47:36.431 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:47:36.831 INFO blam! 0c6db320e40c335dfcc5a5746182cc96dc1027f3e41e2c9ec8523c0624192560
Nov 01 08:47:36.835 INFO running `"docker" "start" "-a" "0c6db320e40c335dfcc5a5746182cc96dc1027f3e41e2c9ec8523c0624192560"`
Nov 01 08:47:37.637 INFO kablam! usermod: no changes
Nov 01 08:47:37.691 INFO kablam!    Compiling hello_world v0.1.0 (/source)
Nov 01 08:47:38.099 INFO kablam! warning: unreachable statement
Nov 01 08:47:38.099 INFO kablam!    --> src/main.rs:102:5
Nov 01 08:47:38.099 INFO kablam!     |
Nov 01 08:47:38.099 INFO kablam! 102 |     let mut x = 5;
Nov 01 08:47:38.099 INFO kablam!     |     ^^^^^^^^^^^^^^
Nov 01 08:47:38.099 INFO kablam!     |
Nov 01 08:47:38.099 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Nov 01 08:47:38.099 INFO kablam! 
Nov 01 08:47:38.115 INFO kablam! warning: unused variable: `a`
Nov 01 08:47:38.115 INFO kablam!  --> src/main.rs:6:9
Nov 01 08:47:38.115 INFO kablam!   |
Nov 01 08:47:38.115 INFO kablam! 6 |     let a = 5;
Nov 01 08:47:38.115 INFO kablam!   |         ^ help: consider using `_a` instead
Nov 01 08:47:38.115 INFO kablam!   |
Nov 01 08:47:38.115 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 08:47:38.115 INFO kablam! 
Nov 01 08:47:38.115 INFO kablam! warning: unused variable: `b`
Nov 01 08:47:38.115 INFO kablam!  --> src/main.rs:8:9
Nov 01 08:47:38.115 INFO kablam!   |
Nov 01 08:47:38.115 INFO kablam! 8 |     let b: i32 = 5;
Nov 01 08:47:38.115 INFO kablam!   |         ^ help: consider using `_b` instead
Nov 01 08:47:38.115 INFO kablam! 
Nov 01 08:47:38.115 INFO kablam! warning: unused variable: `c`
Nov 01 08:47:38.115 INFO kablam!   --> src/main.rs:10:9
Nov 01 08:47:38.115 INFO kablam!    |
Nov 01 08:47:38.115 INFO kablam! 10 |     let c: u32 = 5;
Nov 01 08:47:38.116 INFO kablam!    |         ^ help: consider using `_c` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `d`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:12:13
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 12 |     let mut d = 5;
Nov 01 08:47:38.116 INFO kablam!    |             ^ help: consider using `_d` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:19:10
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 19 |     let (x, y) = (1, 2);
Nov 01 08:47:38.116 INFO kablam!    |          ^ help: consider using `_x` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:19:13
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 19 |     let (x, y) = (1, 2);
Nov 01 08:47:38.116 INFO kablam!    |             ^ help: consider using `_y` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:38:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 38 |     let x = true;
Nov 01 08:47:38.116 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:39:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 39 |     let y: bool = false;
Nov 01 08:47:38.116 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:44:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 44 |     let x = 'x';
Nov 01 08:47:38.116 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `two_hearts`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:45:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 45 |     let two_hearts = '¶';
Nov 01 08:47:38.116 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_two_hearts` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:48:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 48 |     let x = 42; // xはi32型を持つ
Nov 01 08:47:38.116 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:49:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 49 |     let y = 1.0; // yはf64型を持つ
Nov 01 08:47:38.116 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `a`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:52:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 52 |     let a = [0, 1, 2, 3, 4];
Nov 01 08:47:38.116 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `m`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:53:13
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 53 |     let mut m = [1, 2, 3];
Nov 01 08:47:38.116 INFO kablam!    |             ^ help: consider using `_m` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `complete`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:60:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 60 |     let complete = &a[..];
Nov 01 08:47:38.116 INFO kablam!    |         ^^^^^^^^ help: consider using `_complete` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `middle`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:62:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 62 |     let middle = &a[1..4];
Nov 01 08:47:38.116 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Nov 01 08:47:38.116 INFO kablam! 
Nov 01 08:47:38.116 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:38.116 INFO kablam!   --> src/main.rs:67:9
Nov 01 08:47:38.116 INFO kablam!    |
Nov 01 08:47:38.116 INFO kablam! 67 |     let x = (1, "hello");
Nov 01 08:47:38.117 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:38.117 INFO kablam! 
Nov 01 08:47:38.117 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:38.117 INFO kablam!   --> src/main.rs:68:9
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam! 68 |     let x: (i32, &str) = (1, "hello");
Nov 01 08:47:38.117 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:38.117 INFO kablam! 
Nov 01 08:47:38.117 INFO kablam! warning: variable `x` is assigned to, but never used
Nov 01 08:47:38.117 INFO kablam!   --> src/main.rs:70:13
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam! 70 |     let mut x = (1, 2);
Nov 01 08:47:38.117 INFO kablam!    |             ^
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam!    = note: consider using `_x` instead
Nov 01 08:47:38.117 INFO kablam! 
Nov 01 08:47:38.117 INFO kablam! warning: value assigned to `x` is never read
Nov 01 08:47:38.117 INFO kablam!   --> src/main.rs:72:5
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam! 72 |     x = y;
Nov 01 08:47:38.117 INFO kablam!    |     ^
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 08:47:38.117 INFO kablam! 
Nov 01 08:47:38.117 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:38.117 INFO kablam!   --> src/main.rs:74:10
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Nov 01 08:47:38.117 INFO kablam!    |          ^ help: consider using `_x` instead
Nov 01 08:47:38.117 INFO kablam! 
Nov 01 08:47:38.117 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:38.117 INFO kablam!   --> src/main.rs:74:13
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Nov 01 08:47:38.117 INFO kablam!    |             ^ help: consider using `_y` instead
Nov 01 08:47:38.117 INFO kablam! 
Nov 01 08:47:38.117 INFO kablam! warning: unused variable: `z`
Nov 01 08:47:38.117 INFO kablam!   --> src/main.rs:74:16
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Nov 01 08:47:38.117 INFO kablam!    |                ^ help: consider using `_z` instead
Nov 01 08:47:38.117 INFO kablam! 
Nov 01 08:47:38.117 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:38.117 INFO kablam!   --> src/main.rs:93:9
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam! 93 |     let y = if x == 5 { 10 } else { 15 };
Nov 01 08:47:38.117 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 01 08:47:38.117 INFO kablam! 
Nov 01 08:47:38.117 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:47:38.117 INFO kablam!   --> src/main.rs:12:9
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam! 12 |     let mut d = 5;
Nov 01 08:47:38.117 INFO kablam!    |         ----^
Nov 01 08:47:38.117 INFO kablam!    |         |
Nov 01 08:47:38.117 INFO kablam!    |         help: remove this `mut`
Nov 01 08:47:38.117 INFO kablam!    |
Nov 01 08:47:38.117 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 08:47:38.117 INFO kablam! 
Nov 01 08:47:38.123 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:47:38.123 INFO kablam!   --> src/main.rs:53:9
Nov 01 08:47:38.123 INFO kablam!    |
Nov 01 08:47:38.123 INFO kablam! 53 |     let mut m = [1, 2, 3];
Nov 01 08:47:38.123 INFO kablam!    |         ----^
Nov 01 08:47:38.123 INFO kablam!    |         |
Nov 01 08:47:38.123 INFO kablam!    |         help: remove this `mut`
Nov 01 08:47:38.123 INFO kablam! 
Nov 01 08:47:38.123 INFO kablam! warning: function is never used: `declartion`
Nov 01 08:47:38.123 INFO kablam!  --> src/main.rs:3:1
Nov 01 08:47:38.123 INFO kablam!   |
Nov 01 08:47:38.123 INFO kablam! 3 | fn declartion () {
Nov 01 08:47:38.123 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 01 08:47:38.123 INFO kablam!   |
Nov 01 08:47:38.123 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 08:47:38.123 INFO kablam! 
Nov 01 08:47:38.123 INFO kablam! warning: function is never used: `print_number`
Nov 01 08:47:38.123 INFO kablam!   --> src/main.rs:26:1
Nov 01 08:47:38.123 INFO kablam!    |
Nov 01 08:47:38.123 INFO kablam! 26 | fn print_number(x: i32) {
Nov 01 08:47:38.123 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:47:38.123 INFO kablam! 
Nov 01 08:47:38.123 INFO kablam! warning: function is never used: `add_one`
Nov 01 08:47:38.123 INFO kablam!   --> src/main.rs:31:1
Nov 01 08:47:38.123 INFO kablam!    |
Nov 01 08:47:38.123 INFO kablam! 31 | fn add_one(x: i32) -> i32 {
Nov 01 08:47:38.123 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:47:38.123 INFO kablam! 
Nov 01 08:47:38.123 INFO kablam! warning: function is never used: `primitive`
Nov 01 08:47:38.123 INFO kablam!   --> src/main.rs:36:1
Nov 01 08:47:38.123 INFO kablam!    |
Nov 01 08:47:38.123 INFO kablam! 36 | fn primitive() {
Nov 01 08:47:38.123 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 01 08:47:38.123 INFO kablam! 
Nov 01 08:47:38.123 INFO kablam! warning: function is never used: `if_demo`
Nov 01 08:47:38.123 INFO kablam!   --> src/main.rs:80:1
Nov 01 08:47:38.123 INFO kablam!    |
Nov 01 08:47:38.123 INFO kablam! 80 | fn if_demo() {
Nov 01 08:47:38.123 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 08:47:38.123 INFO kablam! 
Nov 01 08:47:38.123 INFO kablam! warning: function is never used: `loop_demo`
Nov 01 08:47:38.123 INFO kablam!   --> src/main.rs:97:1
Nov 01 08:47:38.123 INFO kablam!    |
Nov 01 08:47:38.123 INFO kablam! 97 | fn loop_demo () {
Nov 01 08:47:38.123 INFO kablam!    | ^^^^^^^^^^^^^^^
Nov 01 08:47:38.123 INFO kablam! 
Nov 01 08:47:38.434 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Nov 01 08:47:38.440 INFO kablam! su: No module specific data is present
Nov 01 08:47:39.201 INFO running `"docker" "rm" "-f" "0c6db320e40c335dfcc5a5746182cc96dc1027f3e41e2c9ec8523c0624192560"`
Nov 01 08:47:39.435 INFO blam! 0c6db320e40c335dfcc5a5746182cc96dc1027f3e41e2c9ec8523c0624192560
Nov 01 08:47:39.439 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:47:39.851 INFO blam! 6308ff88d9838765085d14d359974be036e587ef1af39cab8968e41f0d879f8b
Nov 01 08:47:39.863 INFO running `"docker" "start" "-a" "6308ff88d9838765085d14d359974be036e587ef1af39cab8968e41f0d879f8b"`
Nov 01 08:47:40.747 INFO kablam! usermod: no changes
Nov 01 08:47:40.791 INFO kablam!    Compiling hello_world v0.1.0 (/source)
Nov 01 08:47:41.267 INFO kablam! warning: unreachable statement
Nov 01 08:47:41.267 INFO kablam!    --> src/main.rs:102:5
Nov 01 08:47:41.267 INFO kablam!     |
Nov 01 08:47:41.267 INFO kablam! 102 |     let mut x = 5;
Nov 01 08:47:41.267 INFO kablam!     |     ^^^^^^^^^^^^^^
Nov 01 08:47:41.267 INFO kablam!     |
Nov 01 08:47:41.267 INFO kablam!     = note: #[warn(unreachable_code)] on by default
Nov 01 08:47:41.267 INFO kablam! 
Nov 01 08:47:41.283 INFO kablam! warning: unused variable: `a`
Nov 01 08:47:41.283 INFO kablam!  --> src/main.rs:6:9
Nov 01 08:47:41.283 INFO kablam!   |
Nov 01 08:47:41.283 INFO kablam! 6 |     let a = 5;
Nov 01 08:47:41.283 INFO kablam!   |         ^ help: consider using `_a` instead
Nov 01 08:47:41.283 INFO kablam!   |
Nov 01 08:47:41.283 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 01 08:47:41.283 INFO kablam! 
Nov 01 08:47:41.283 INFO kablam! warning: unused variable: `b`
Nov 01 08:47:41.283 INFO kablam!  --> src/main.rs:8:9
Nov 01 08:47:41.283 INFO kablam!   |
Nov 01 08:47:41.283 INFO kablam! 8 |     let b: i32 = 5;
Nov 01 08:47:41.283 INFO kablam!   |         ^ help: consider using `_b` instead
Nov 01 08:47:41.283 INFO kablam! 
Nov 01 08:47:41.283 INFO kablam! warning: unused variable: `c`
Nov 01 08:47:41.283 INFO kablam!   --> src/main.rs:10:9
Nov 01 08:47:41.283 INFO kablam!    |
Nov 01 08:47:41.283 INFO kablam! 10 |     let c: u32 = 5;
Nov 01 08:47:41.283 INFO kablam!    |         ^ help: consider using `_c` instead
Nov 01 08:47:41.283 INFO kablam! 
Nov 01 08:47:41.283 INFO kablam! warning: unused variable: `d`
Nov 01 08:47:41.283 INFO kablam!   --> src/main.rs:12:13
Nov 01 08:47:41.283 INFO kablam!    |
Nov 01 08:47:41.283 INFO kablam! 12 |     let mut d = 5;
Nov 01 08:47:41.284 INFO kablam!    |             ^ help: consider using `_d` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:19:10
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 19 |     let (x, y) = (1, 2);
Nov 01 08:47:41.284 INFO kablam!    |          ^ help: consider using `_x` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:19:13
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 19 |     let (x, y) = (1, 2);
Nov 01 08:47:41.284 INFO kablam!    |             ^ help: consider using `_y` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:38:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 38 |     let x = true;
Nov 01 08:47:41.284 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:39:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 39 |     let y: bool = false;
Nov 01 08:47:41.284 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:44:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 44 |     let x = 'x';
Nov 01 08:47:41.284 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `two_hearts`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:45:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 45 |     let two_hearts = '¶';
Nov 01 08:47:41.284 INFO kablam!    |         ^^^^^^^^^^ help: consider using `_two_hearts` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:48:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 48 |     let x = 42; // xはi32型を持つ
Nov 01 08:47:41.284 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:49:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 49 |     let y = 1.0; // yはf64型を持つ
Nov 01 08:47:41.284 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `a`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:52:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 52 |     let a = [0, 1, 2, 3, 4];
Nov 01 08:47:41.284 INFO kablam!    |         ^ help: consider using `_a` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `m`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:53:13
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 53 |     let mut m = [1, 2, 3];
Nov 01 08:47:41.284 INFO kablam!    |             ^ help: consider using `_m` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `complete`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:60:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 60 |     let complete = &a[..];
Nov 01 08:47:41.284 INFO kablam!    |         ^^^^^^^^ help: consider using `_complete` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `middle`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:62:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 62 |     let middle = &a[1..4];
Nov 01 08:47:41.284 INFO kablam!    |         ^^^^^^ help: consider using `_middle` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:67:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.284 INFO kablam! 67 |     let x = (1, "hello");
Nov 01 08:47:41.284 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:41.284 INFO kablam! 
Nov 01 08:47:41.284 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:41.284 INFO kablam!   --> src/main.rs:68:9
Nov 01 08:47:41.284 INFO kablam!    |
Nov 01 08:47:41.285 INFO kablam! 68 |     let x: (i32, &str) = (1, "hello");
Nov 01 08:47:41.285 INFO kablam!    |         ^ help: consider using `_x` instead
Nov 01 08:47:41.285 INFO kablam! 
Nov 01 08:47:41.285 INFO kablam! warning: variable `x` is assigned to, but never used
Nov 01 08:47:41.285 INFO kablam!   --> src/main.rs:70:13
Nov 01 08:47:41.285 INFO kablam!    |
Nov 01 08:47:41.285 INFO kablam! 70 |     let mut x = (1, 2);
Nov 01 08:47:41.285 INFO kablam!    |             ^
Nov 01 08:47:41.285 INFO kablam!    |
Nov 01 08:47:41.285 INFO kablam!    = note: consider using `_x` instead
Nov 01 08:47:41.285 INFO kablam! 
Nov 01 08:47:41.285 INFO kablam! warning: value assigned to `x` is never read
Nov 01 08:47:41.285 INFO kablam!   --> src/main.rs:72:5
Nov 01 08:47:41.285 INFO kablam!    |
Nov 01 08:47:41.285 INFO kablam! 72 |     x = y;
Nov 01 08:47:41.285 INFO kablam!    |     ^
Nov 01 08:47:41.285 INFO kablam!    |
Nov 01 08:47:41.285 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Nov 01 08:47:41.285 INFO kablam! 
Nov 01 08:47:41.285 INFO kablam! warning: unused variable: `x`
Nov 01 08:47:41.285 INFO kablam!   --> src/main.rs:74:10
Nov 01 08:47:41.285 INFO kablam!    |
Nov 01 08:47:41.285 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Nov 01 08:47:41.285 INFO kablam!    |          ^ help: consider using `_x` instead
Nov 01 08:47:41.285 INFO kablam! 
Nov 01 08:47:41.285 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:41.285 INFO kablam!   --> src/main.rs:74:13
Nov 01 08:47:41.285 INFO kablam!    |
Nov 01 08:47:41.285 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Nov 01 08:47:41.285 INFO kablam!    |             ^ help: consider using `_y` instead
Nov 01 08:47:41.285 INFO kablam! 
Nov 01 08:47:41.285 INFO kablam! warning: unused variable: `z`
Nov 01 08:47:41.285 INFO kablam!   --> src/main.rs:74:16
Nov 01 08:47:41.285 INFO kablam!    |
Nov 01 08:47:41.285 INFO kablam! 74 |     let (x, y, z) = (1, 2, 3);
Nov 01 08:47:41.285 INFO kablam!    |                ^ help: consider using `_z` instead
Nov 01 08:47:41.285 INFO kablam! 
Nov 01 08:47:41.285 INFO kablam! warning: unused variable: `y`
Nov 01 08:47:41.285 INFO kablam!   --> src/main.rs:93:9
Nov 01 08:47:41.285 INFO kablam!    |
Nov 01 08:47:41.285 INFO kablam! 93 |     let y = if x == 5 { 10 } else { 15 };
Nov 01 08:47:41.285 INFO kablam!    |         ^ help: consider using `_y` instead
Nov 01 08:47:41.285 INFO kablam! 
Nov 01 08:47:41.288 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:47:41.288 INFO kablam!   --> src/main.rs:12:9
Nov 01 08:47:41.288 INFO kablam!    |
Nov 01 08:47:41.288 INFO kablam! 12 |     let mut d = 5;
Nov 01 08:47:41.288 INFO kablam!    |         ----^
Nov 01 08:47:41.288 INFO kablam!    |         |
Nov 01 08:47:41.288 INFO kablam!    |         help: remove this `mut`
Nov 01 08:47:41.288 INFO kablam!    |
Nov 01 08:47:41.288 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 01 08:47:41.288 INFO kablam! 
Nov 01 08:47:41.288 INFO kablam! warning: variable does not need to be mutable
Nov 01 08:47:41.288 INFO kablam!   --> src/main.rs:53:9
Nov 01 08:47:41.288 INFO kablam!    |
Nov 01 08:47:41.288 INFO kablam! 53 |     let mut m = [1, 2, 3];
Nov 01 08:47:41.288 INFO kablam!    |         ----^
Nov 01 08:47:41.289 INFO kablam!    |         |
Nov 01 08:47:41.289 INFO kablam!    |         help: remove this `mut`
Nov 01 08:47:41.289 INFO kablam! 
Nov 01 08:47:41.289 INFO kablam! warning: function is never used: `declartion`
Nov 01 08:47:41.289 INFO kablam!  --> src/main.rs:3:1
Nov 01 08:47:41.289 INFO kablam!   |
Nov 01 08:47:41.289 INFO kablam! 3 | fn declartion () {
Nov 01 08:47:41.289 INFO kablam!   | ^^^^^^^^^^^^^^^^
Nov 01 08:47:41.289 INFO kablam!   |
Nov 01 08:47:41.289 INFO kablam!   = note: #[warn(dead_code)] on by default
Nov 01 08:47:41.289 INFO kablam! 
Nov 01 08:47:41.289 INFO kablam! warning: function is never used: `print_number`
Nov 01 08:47:41.289 INFO kablam!   --> src/main.rs:26:1
Nov 01 08:47:41.289 INFO kablam!    |
Nov 01 08:47:41.289 INFO kablam! 26 | fn print_number(x: i32) {
Nov 01 08:47:41.289 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:47:41.289 INFO kablam! 
Nov 01 08:47:41.289 INFO kablam! warning: function is never used: `add_one`
Nov 01 08:47:41.289 INFO kablam!   --> src/main.rs:31:1
Nov 01 08:47:41.289 INFO kablam!    |
Nov 01 08:47:41.289 INFO kablam! 31 | fn add_one(x: i32) -> i32 {
Nov 01 08:47:41.289 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 01 08:47:41.289 INFO kablam! 
Nov 01 08:47:41.289 INFO kablam! warning: function is never used: `primitive`
Nov 01 08:47:41.289 INFO kablam!   --> src/main.rs:36:1
Nov 01 08:47:41.289 INFO kablam!    |
Nov 01 08:47:41.289 INFO kablam! 36 | fn primitive() {
Nov 01 08:47:41.289 INFO kablam!    | ^^^^^^^^^^^^^^
Nov 01 08:47:41.289 INFO kablam! 
Nov 01 08:47:41.291 INFO kablam! warning: function is never used: `if_demo`
Nov 01 08:47:41.291 INFO kablam!   --> src/main.rs:80:1
Nov 01 08:47:41.291 INFO kablam!    |
Nov 01 08:47:41.291 INFO kablam! 80 | fn if_demo() {
Nov 01 08:47:41.291 INFO kablam!    | ^^^^^^^^^^^^
Nov 01 08:47:41.291 INFO kablam! 
Nov 01 08:47:41.291 INFO kablam! warning: function is never used: `loop_demo`
Nov 01 08:47:41.291 INFO kablam!   --> src/main.rs:97:1
Nov 01 08:47:41.291 INFO kablam!    |
Nov 01 08:47:41.291 INFO kablam! 97 | fn loop_demo () {
Nov 01 08:47:41.291 INFO kablam!    | ^^^^^^^^^^^^^^^
Nov 01 08:47:41.291 INFO kablam! 
Nov 01 08:47:41.815 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
Nov 01 08:47:41.815 INFO kablam! su: No module specific data is present
Nov 01 08:47:42.771 INFO running `"docker" "rm" "-f" "6308ff88d9838765085d14d359974be036e587ef1af39cab8968e41f0d879f8b"`
Nov 01 08:47:43.104 INFO blam! 6308ff88d9838765085d14d359974be036e587ef1af39cab8968e41f0d879f8b
Nov 01 08:47:43.107 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-1/worker-6/1.30.0:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/beta-1.31-1/1.30.0:/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 +1.30.0 test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 01 08:47:43.620 INFO blam! 01e56500b696aa9f262edf26cd9d4a39f9c55ff7ca436f2d58b7f4e3b9593831
Nov 01 08:47:43.621 INFO running `"docker" "start" "-a" "01e56500b696aa9f262edf26cd9d4a39f9c55ff7ca436f2d58b7f4e3b9593831"`
Nov 01 08:47:45.233 INFO kablam! usermod: no changes
Nov 01 08:47:45.275 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Nov 01 08:47:45.283 INFO kablam!      Running /target/debug/deps/hello_world-7630ee4daccf1b63
Nov 01 08:47:45.291 INFO blam! 
Nov 01 08:47:45.291 INFO blam! running 0 tests
Nov 01 08:47:45.291 INFO blam! 
Nov 01 08:47:45.291 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 01 08:47:45.291 INFO blam! 
Nov 01 08:47:45.291 INFO kablam! su: No module specific data is present
Nov 01 08:47:46.632 INFO running `"docker" "rm" "-f" "01e56500b696aa9f262edf26cd9d4a39f9c55ff7ca436f2d58b7f4e3b9593831"`
Nov 01 08:47:46.952 INFO blam! 01e56500b696aa9f262edf26cd9d4a39f9c55ff7ca436f2d58b7f4e3b9593831
