Nov 30 02:12:50.320 INFO checking guni973/learn_rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 02:12:50.320 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 02:12:50.780 INFO [stdout] f422781856a6923f000165b79a505d77329f8e41fdddb1ecd533c7e141407bb2
Nov 30 02:12:50.782 INFO running `"docker" "start" "-a" "f422781856a6923f000165b79a505d77329f8e41fdddb1ecd533c7e141407bb2"`
Nov 30 02:12:51.514 INFO [stderr] usermod: no changes
Nov 30 02:12:51.571 INFO [stderr]     Checking hello_world v0.1.0 (/source)
Nov 30 02:12:51.944 INFO [stderr] warning: unreachable statement
Nov 30 02:12:51.944 INFO [stderr]    --> src/main.rs:102:5
Nov 30 02:12:51.944 INFO [stderr]     |
Nov 30 02:12:51.944 INFO [stderr] 102 |     let mut x = 5;
Nov 30 02:12:51.944 INFO [stderr]     |     ^^^^^^^^^^^^^^
Nov 30 02:12:51.944 INFO [stderr]     |
Nov 30 02:12:51.944 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Nov 30 02:12:51.944 INFO [stderr] 
Nov 30 02:12:51.964 INFO [stderr] warning: unused variable: `a`
Nov 30 02:12:51.965 INFO [stderr]  --> src/main.rs:6:9
Nov 30 02:12:51.965 INFO [stderr]   |
Nov 30 02:12:51.965 INFO [stderr] 6 |     let a = 5;
Nov 30 02:12:51.965 INFO [stderr]   |         ^ help: consider using `_a` instead
Nov 30 02:12:51.965 INFO [stderr]   |
Nov 30 02:12:51.965 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `b`
Nov 30 02:12:51.965 INFO [stderr]  --> src/main.rs:8:9
Nov 30 02:12:51.965 INFO [stderr]   |
Nov 30 02:12:51.965 INFO [stderr] 8 |     let b: i32 = 5;
Nov 30 02:12:51.965 INFO [stderr]   |         ^ help: consider using `_b` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `c`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:10:9
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 10 |     let c: u32 = 5;
Nov 30 02:12:51.965 INFO [stderr]    |         ^ help: consider using `_c` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `d`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:12:13
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 12 |     let mut d = 5;
Nov 30 02:12:51.965 INFO [stderr]    |             ^ help: consider using `_d` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:19:10
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 19 |     let (x, y) = (1, 2);
Nov 30 02:12:51.965 INFO [stderr]    |          ^ help: consider using `_x` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:19:13
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 19 |     let (x, y) = (1, 2);
Nov 30 02:12:51.965 INFO [stderr]    |             ^ help: consider using `_y` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:38:9
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 38 |     let x = true;
Nov 30 02:12:51.965 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:39:9
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 39 |     let y: bool = false;
Nov 30 02:12:51.965 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:44:9
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 44 |     let x = 'x';
Nov 30 02:12:51.965 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `two_hearts`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:45:9
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 45 |     let two_hearts = '¶';
Nov 30 02:12:51.965 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_two_hearts` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:48:9
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 48 |     let x = 42; // xはi32型を持つ
Nov 30 02:12:51.965 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:49:9
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 49 |     let y = 1.0; // yはf64型を持つ
Nov 30 02:12:51.965 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 02:12:51.965 INFO [stderr] 
Nov 30 02:12:51.965 INFO [stderr] warning: unused variable: `a`
Nov 30 02:12:51.965 INFO [stderr]   --> src/main.rs:52:9
Nov 30 02:12:51.965 INFO [stderr]    |
Nov 30 02:12:51.965 INFO [stderr] 52 |     let a = [0, 1, 2, 3, 4];
Nov 30 02:12:51.965 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 30 02:12:51.969 INFO [stderr] 
Nov 30 02:12:51.969 INFO [stderr] warning: unused variable: `m`
Nov 30 02:12:51.969 INFO [stderr]   --> src/main.rs:53:13
Nov 30 02:12:51.969 INFO [stderr]    |
Nov 30 02:12:51.969 INFO [stderr] 53 |     let mut m = [1, 2, 3];
Nov 30 02:12:51.969 INFO [stderr]    |             ^ help: consider using `_m` instead
Nov 30 02:12:51.969 INFO [stderr] 
Nov 30 02:12:51.969 INFO [stderr] warning: unused variable: `complete`
Nov 30 02:12:51.969 INFO [stderr]   --> src/main.rs:60:9
Nov 30 02:12:51.969 INFO [stderr]    |
Nov 30 02:12:51.969 INFO [stderr] 60 |     let complete = &a[..];
Nov 30 02:12:51.969 INFO [stderr]    |         ^^^^^^^^ help: consider using `_complete` instead
Nov 30 02:12:51.969 INFO [stderr] 
Nov 30 02:12:51.969 INFO [stderr] warning: unused variable: `middle`
Nov 30 02:12:51.969 INFO [stderr]   --> src/main.rs:62:9
Nov 30 02:12:51.969 INFO [stderr]    |
Nov 30 02:12:51.969 INFO [stderr] 62 |     let middle = &a[1..4];
Nov 30 02:12:51.969 INFO [stderr]    |         ^^^^^^ help: consider using `_middle` instead
Nov 30 02:12:51.969 INFO [stderr] 
Nov 30 02:12:51.969 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:51.969 INFO [stderr]   --> src/main.rs:67:9
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr] 67 |     let x = (1, "hello");
Nov 30 02:12:51.970 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:51.970 INFO [stderr] 
Nov 30 02:12:51.970 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:51.970 INFO [stderr]   --> src/main.rs:68:9
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr] 68 |     let x: (i32, &str) = (1, "hello");
Nov 30 02:12:51.970 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:51.970 INFO [stderr] 
Nov 30 02:12:51.970 INFO [stderr] warning: variable `x` is assigned to, but never used
Nov 30 02:12:51.970 INFO [stderr]   --> src/main.rs:70:13
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr] 70 |     let mut x = (1, 2);
Nov 30 02:12:51.970 INFO [stderr]    |             ^
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr]    = note: consider using `_x` instead
Nov 30 02:12:51.970 INFO [stderr] 
Nov 30 02:12:51.970 INFO [stderr] warning: value assigned to `x` is never read
Nov 30 02:12:51.970 INFO [stderr]   --> src/main.rs:72:5
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr] 72 |     x = y;
Nov 30 02:12:51.970 INFO [stderr]    |     ^
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 02:12:51.970 INFO [stderr] 
Nov 30 02:12:51.970 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:51.970 INFO [stderr]   --> src/main.rs:74:10
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr] 74 |     let (x, y, z) = (1, 2, 3);
Nov 30 02:12:51.970 INFO [stderr]    |          ^ help: consider using `_x` instead
Nov 30 02:12:51.970 INFO [stderr] 
Nov 30 02:12:51.970 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:51.970 INFO [stderr]   --> src/main.rs:74:13
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr] 74 |     let (x, y, z) = (1, 2, 3);
Nov 30 02:12:51.970 INFO [stderr]    |             ^ help: consider using `_y` instead
Nov 30 02:12:51.970 INFO [stderr] 
Nov 30 02:12:51.970 INFO [stderr] warning: unused variable: `z`
Nov 30 02:12:51.970 INFO [stderr]   --> src/main.rs:74:16
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr] 74 |     let (x, y, z) = (1, 2, 3);
Nov 30 02:12:51.970 INFO [stderr]    |                ^ help: consider using `_z` instead
Nov 30 02:12:51.970 INFO [stderr] 
Nov 30 02:12:51.970 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:51.970 INFO [stderr]   --> src/main.rs:93:9
Nov 30 02:12:51.970 INFO [stderr]    |
Nov 30 02:12:51.970 INFO [stderr] 93 |     let y = if x == 5 { 10 } else { 15 };
Nov 30 02:12:51.970 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 02:12:51.970 INFO [stderr] 
Nov 30 02:12:51.972 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:12:51.972 INFO [stderr]   --> src/main.rs:12:9
Nov 30 02:12:51.972 INFO [stderr]    |
Nov 30 02:12:51.972 INFO [stderr] 12 |     let mut d = 5;
Nov 30 02:12:51.972 INFO [stderr]    |         ----^
Nov 30 02:12:51.972 INFO [stderr]    |         |
Nov 30 02:12:51.972 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:12:51.972 INFO [stderr]    |
Nov 30 02:12:51.972 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 02:12:51.972 INFO [stderr] 
Nov 30 02:12:51.976 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:12:51.976 INFO [stderr]   --> src/main.rs:53:9
Nov 30 02:12:51.976 INFO [stderr]    |
Nov 30 02:12:51.976 INFO [stderr] 53 |     let mut m = [1, 2, 3];
Nov 30 02:12:51.976 INFO [stderr]    |         ----^
Nov 30 02:12:51.976 INFO [stderr]    |         |
Nov 30 02:12:51.976 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:12:51.976 INFO [stderr] 
Nov 30 02:12:51.976 INFO [stderr] warning: function is never used: `declartion`
Nov 30 02:12:51.976 INFO [stderr]  --> src/main.rs:3:1
Nov 30 02:12:51.976 INFO [stderr]   |
Nov 30 02:12:51.976 INFO [stderr] 3 | fn declartion () {
Nov 30 02:12:51.976 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Nov 30 02:12:51.976 INFO [stderr]   |
Nov 30 02:12:51.976 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 02:12:51.976 INFO [stderr] 
Nov 30 02:12:51.976 INFO [stderr] warning: function is never used: `print_number`
Nov 30 02:12:51.976 INFO [stderr]   --> src/main.rs:26:1
Nov 30 02:12:51.976 INFO [stderr]    |
Nov 30 02:12:51.976 INFO [stderr] 26 | fn print_number(x: i32) {
Nov 30 02:12:51.976 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:12:51.976 INFO [stderr] 
Nov 30 02:12:51.976 INFO [stderr] warning: function is never used: `add_one`
Nov 30 02:12:51.976 INFO [stderr]   --> src/main.rs:31:1
Nov 30 02:12:51.976 INFO [stderr]    |
Nov 30 02:12:51.976 INFO [stderr] 31 | fn add_one(x: i32) -> i32 {
Nov 30 02:12:51.976 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:12:51.976 INFO [stderr] 
Nov 30 02:12:51.976 INFO [stderr] warning: function is never used: `primitive`
Nov 30 02:12:51.976 INFO [stderr]   --> src/main.rs:36:1
Nov 30 02:12:51.976 INFO [stderr]    |
Nov 30 02:12:51.976 INFO [stderr] 36 | fn primitive() {
Nov 30 02:12:51.976 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 30 02:12:51.976 INFO [stderr] 
Nov 30 02:12:51.976 INFO [stderr] warning: function is never used: `if_demo`
Nov 30 02:12:51.976 INFO [stderr]   --> src/main.rs:80:1
Nov 30 02:12:51.976 INFO [stderr]    |
Nov 30 02:12:51.976 INFO [stderr] 80 | fn if_demo() {
Nov 30 02:12:51.976 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 02:12:51.976 INFO [stderr] 
Nov 30 02:12:51.976 INFO [stderr] warning: function is never used: `loop_demo`
Nov 30 02:12:51.976 INFO [stderr]   --> src/main.rs:97:1
Nov 30 02:12:51.976 INFO [stderr]    |
Nov 30 02:12:51.976 INFO [stderr] 97 | fn loop_demo () {
Nov 30 02:12:51.976 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 30 02:12:51.976 INFO [stderr] 
Nov 30 02:12:51.993 INFO [stderr] warning: unreachable statement
Nov 30 02:12:51.993 INFO [stderr]    --> src/main.rs:102:5
Nov 30 02:12:51.993 INFO [stderr]     |
Nov 30 02:12:51.993 INFO [stderr] 102 |     let mut x = 5;
Nov 30 02:12:51.993 INFO [stderr]     |     ^^^^^^^^^^^^^^
Nov 30 02:12:51.993 INFO [stderr]     |
Nov 30 02:12:51.993 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Nov 30 02:12:51.993 INFO [stderr] 
Nov 30 02:12:52.006 INFO [stderr] warning: unused variable: `a`
Nov 30 02:12:52.006 INFO [stderr]  --> src/main.rs:6:9
Nov 30 02:12:52.006 INFO [stderr]   |
Nov 30 02:12:52.006 INFO [stderr] 6 |     let a = 5;
Nov 30 02:12:52.006 INFO [stderr]   |         ^ help: consider using `_a` instead
Nov 30 02:12:52.006 INFO [stderr]   |
Nov 30 02:12:52.006 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 30 02:12:52.006 INFO [stderr] 
Nov 30 02:12:52.006 INFO [stderr] warning: unused variable: `b`
Nov 30 02:12:52.006 INFO [stderr]  --> src/main.rs:8:9
Nov 30 02:12:52.006 INFO [stderr]   |
Nov 30 02:12:52.006 INFO [stderr] 8 |     let b: i32 = 5;
Nov 30 02:12:52.006 INFO [stderr]   |         ^ help: consider using `_b` instead
Nov 30 02:12:52.006 INFO [stderr] 
Nov 30 02:12:52.006 INFO [stderr] warning: unused variable: `c`
Nov 30 02:12:52.006 INFO [stderr]   --> src/main.rs:10:9
Nov 30 02:12:52.006 INFO [stderr]    |
Nov 30 02:12:52.006 INFO [stderr] 10 |     let c: u32 = 5;
Nov 30 02:12:52.006 INFO [stderr]    |         ^ help: consider using `_c` instead
Nov 30 02:12:52.006 INFO [stderr] 
Nov 30 02:12:52.006 INFO [stderr] warning: unused variable: `d`
Nov 30 02:12:52.006 INFO [stderr]   --> src/main.rs:12:13
Nov 30 02:12:52.006 INFO [stderr]    |
Nov 30 02:12:52.006 INFO [stderr] 12 |     let mut d = 5;
Nov 30 02:12:52.006 INFO [stderr]    |             ^ help: consider using `_d` instead
Nov 30 02:12:52.006 INFO [stderr] 
Nov 30 02:12:52.006 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:52.006 INFO [stderr]   --> src/main.rs:19:10
Nov 30 02:12:52.006 INFO [stderr]    |
Nov 30 02:12:52.006 INFO [stderr] 19 |     let (x, y) = (1, 2);
Nov 30 02:12:52.006 INFO [stderr]    |          ^ help: consider using `_x` instead
Nov 30 02:12:52.006 INFO [stderr] 
Nov 30 02:12:52.006 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:52.006 INFO [stderr]   --> src/main.rs:19:13
Nov 30 02:12:52.006 INFO [stderr]    |
Nov 30 02:12:52.006 INFO [stderr] 19 |     let (x, y) = (1, 2);
Nov 30 02:12:52.006 INFO [stderr]    |             ^ help: consider using `_y` instead
Nov 30 02:12:52.006 INFO [stderr] 
Nov 30 02:12:52.006 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:52.006 INFO [stderr]   --> src/main.rs:38:9
Nov 30 02:12:52.006 INFO [stderr]    |
Nov 30 02:12:52.006 INFO [stderr] 38 |     let x = true;
Nov 30 02:12:52.006 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:52.006 INFO [stderr] 
Nov 30 02:12:52.006 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:52.006 INFO [stderr]   --> src/main.rs:39:9
Nov 30 02:12:52.006 INFO [stderr]    |
Nov 30 02:12:52.006 INFO [stderr] 39 |     let y: bool = false;
Nov 30 02:12:52.006 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 02:12:52.006 INFO [stderr] 
Nov 30 02:12:52.006 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:52.006 INFO [stderr]   --> src/main.rs:44:9
Nov 30 02:12:52.006 INFO [stderr]    |
Nov 30 02:12:52.006 INFO [stderr] 44 |     let x = 'x';
Nov 30 02:12:52.007 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `two_hearts`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:45:9
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 45 |     let two_hearts = '¶';
Nov 30 02:12:52.007 INFO [stderr]    |         ^^^^^^^^^^ help: consider using `_two_hearts` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:48:9
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 48 |     let x = 42; // xはi32型を持つ
Nov 30 02:12:52.007 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:49:9
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 49 |     let y = 1.0; // yはf64型を持つ
Nov 30 02:12:52.007 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `a`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:52:9
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 52 |     let a = [0, 1, 2, 3, 4];
Nov 30 02:12:52.007 INFO [stderr]    |         ^ help: consider using `_a` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `m`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:53:13
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 53 |     let mut m = [1, 2, 3];
Nov 30 02:12:52.007 INFO [stderr]    |             ^ help: consider using `_m` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `complete`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:60:9
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 60 |     let complete = &a[..];
Nov 30 02:12:52.007 INFO [stderr]    |         ^^^^^^^^ help: consider using `_complete` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `middle`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:62:9
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 62 |     let middle = &a[1..4];
Nov 30 02:12:52.007 INFO [stderr]    |         ^^^^^^ help: consider using `_middle` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:67:9
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 67 |     let x = (1, "hello");
Nov 30 02:12:52.007 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:68:9
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 68 |     let x: (i32, &str) = (1, "hello");
Nov 30 02:12:52.007 INFO [stderr]    |         ^ help: consider using `_x` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: variable `x` is assigned to, but never used
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:70:13
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 70 |     let mut x = (1, 2);
Nov 30 02:12:52.007 INFO [stderr]    |             ^
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr]    = note: consider using `_x` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: value assigned to `x` is never read
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:72:5
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 72 |     x = y;
Nov 30 02:12:52.007 INFO [stderr]    |     ^
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `x`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:74:10
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 74 |     let (x, y, z) = (1, 2, 3);
Nov 30 02:12:52.007 INFO [stderr]    |          ^ help: consider using `_x` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:74:13
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 74 |     let (x, y, z) = (1, 2, 3);
Nov 30 02:12:52.007 INFO [stderr]    |             ^ help: consider using `_y` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.007 INFO [stderr] warning: unused variable: `z`
Nov 30 02:12:52.007 INFO [stderr]   --> src/main.rs:74:16
Nov 30 02:12:52.007 INFO [stderr]    |
Nov 30 02:12:52.007 INFO [stderr] 74 |     let (x, y, z) = (1, 2, 3);
Nov 30 02:12:52.007 INFO [stderr]    |                ^ help: consider using `_z` instead
Nov 30 02:12:52.007 INFO [stderr] 
Nov 30 02:12:52.008 INFO [stderr] warning: unused variable: `y`
Nov 30 02:12:52.008 INFO [stderr]   --> src/main.rs:93:9
Nov 30 02:12:52.008 INFO [stderr]    |
Nov 30 02:12:52.008 INFO [stderr] 93 |     let y = if x == 5 { 10 } else { 15 };
Nov 30 02:12:52.008 INFO [stderr]    |         ^ help: consider using `_y` instead
Nov 30 02:12:52.008 INFO [stderr] 
Nov 30 02:12:52.008 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:12:52.008 INFO [stderr]   --> src/main.rs:12:9
Nov 30 02:12:52.008 INFO [stderr]    |
Nov 30 02:12:52.008 INFO [stderr] 12 |     let mut d = 5;
Nov 30 02:12:52.008 INFO [stderr]    |         ----^
Nov 30 02:12:52.008 INFO [stderr]    |         |
Nov 30 02:12:52.008 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:12:52.008 INFO [stderr]    |
Nov 30 02:12:52.008 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 02:12:52.008 INFO [stderr] 
Nov 30 02:12:52.012 INFO [stderr] warning: variable does not need to be mutable
Nov 30 02:12:52.012 INFO [stderr]   --> src/main.rs:53:9
Nov 30 02:12:52.012 INFO [stderr]    |
Nov 30 02:12:52.012 INFO [stderr] 53 |     let mut m = [1, 2, 3];
Nov 30 02:12:52.012 INFO [stderr]    |         ----^
Nov 30 02:12:52.012 INFO [stderr]    |         |
Nov 30 02:12:52.012 INFO [stderr]    |         help: remove this `mut`
Nov 30 02:12:52.012 INFO [stderr] 
Nov 30 02:12:52.012 INFO [stderr] warning: function is never used: `declartion`
Nov 30 02:12:52.012 INFO [stderr]  --> src/main.rs:3:1
Nov 30 02:12:52.012 INFO [stderr]   |
Nov 30 02:12:52.012 INFO [stderr] 3 | fn declartion () {
Nov 30 02:12:52.012 INFO [stderr]   | ^^^^^^^^^^^^^^^^
Nov 30 02:12:52.012 INFO [stderr]   |
Nov 30 02:12:52.012 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 02:12:52.012 INFO [stderr] 
Nov 30 02:12:52.012 INFO [stderr] warning: function is never used: `print_number`
Nov 30 02:12:52.012 INFO [stderr]   --> src/main.rs:26:1
Nov 30 02:12:52.012 INFO [stderr]    |
Nov 30 02:12:52.012 INFO [stderr] 26 | fn print_number(x: i32) {
Nov 30 02:12:52.013 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:12:52.013 INFO [stderr] 
Nov 30 02:12:52.013 INFO [stderr] warning: function is never used: `add_one`
Nov 30 02:12:52.013 INFO [stderr]   --> src/main.rs:31:1
Nov 30 02:12:52.013 INFO [stderr]    |
Nov 30 02:12:52.013 INFO [stderr] 31 | fn add_one(x: i32) -> i32 {
Nov 30 02:12:52.013 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:12:52.013 INFO [stderr] 
Nov 30 02:12:52.013 INFO [stderr] warning: function is never used: `primitive`
Nov 30 02:12:52.013 INFO [stderr]   --> src/main.rs:36:1
Nov 30 02:12:52.013 INFO [stderr]    |
Nov 30 02:12:52.013 INFO [stderr] 36 | fn primitive() {
Nov 30 02:12:52.013 INFO [stderr]    | ^^^^^^^^^^^^^^
Nov 30 02:12:52.013 INFO [stderr] 
Nov 30 02:12:52.013 INFO [stderr] warning: function is never used: `if_demo`
Nov 30 02:12:52.013 INFO [stderr]   --> src/main.rs:80:1
Nov 30 02:12:52.013 INFO [stderr]    |
Nov 30 02:12:52.013 INFO [stderr] 80 | fn if_demo() {
Nov 30 02:12:52.013 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 02:12:52.013 INFO [stderr] 
Nov 30 02:12:52.013 INFO [stderr] warning: function is never used: `loop_demo`
Nov 30 02:12:52.013 INFO [stderr]   --> src/main.rs:97:1
Nov 30 02:12:52.013 INFO [stderr]    |
Nov 30 02:12:52.013 INFO [stderr] 97 | fn loop_demo () {
Nov 30 02:12:52.013 INFO [stderr]    | ^^^^^^^^^^^^^^^
Nov 30 02:12:52.013 INFO [stderr] 
Nov 30 02:12:52.032 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
Nov 30 02:12:52.038 INFO [stderr] su: No module specific data is present
Nov 30 02:12:52.402 INFO running `"docker" "inspect" "f422781856a6923f000165b79a505d77329f8e41fdddb1ecd533c7e141407bb2"`
Nov 30 02:12:52.543 INFO running `"docker" "rm" "-f" "f422781856a6923f000165b79a505d77329f8e41fdddb1ecd533c7e141407bb2"`
Nov 30 02:12:52.686 INFO [stdout] f422781856a6923f000165b79a505d77329f8e41fdddb1ecd533c7e141407bb2