Nov 30 02:12:51.193 INFO checking guni973/learn_rust against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323 Nov 30 02:12:51.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 02:12:51.591 INFO [stdout] 608a2fea82119780dda9a1768c15797ba8118989ff15844025381cf45eb7502b Nov 30 02:12:51.595 INFO running `"docker" "start" "-a" "608a2fea82119780dda9a1768c15797ba8118989ff15844025381cf45eb7502b"` Nov 30 02:12:52.305 INFO [stderr] usermod: no changes Nov 30 02:12:52.337 INFO [stderr] Checking hello_world v0.1.0 (/source) Nov 30 02:12:52.669 INFO [stderr] warning: unreachable statement Nov 30 02:12:52.669 INFO [stderr] --> src/main.rs:102:5 Nov 30 02:12:52.669 INFO [stderr] | Nov 30 02:12:52.669 INFO [stderr] 102 | let mut x = 5; Nov 30 02:12:52.669 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 30 02:12:52.669 INFO [stderr] | Nov 30 02:12:52.669 INFO [stderr] = note: #[warn(unreachable_code)] on by default Nov 30 02:12:52.669 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `a` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:6:9 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 6 | let a = 5; Nov 30 02:12:52.688 INFO [stderr] | ^ help: consider using `_a` instead Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 02:12:52.688 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `b` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:8:9 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 8 | let b: i32 = 5; Nov 30 02:12:52.688 INFO [stderr] | ^ help: consider using `_b` instead Nov 30 02:12:52.688 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `c` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:10:9 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 10 | let c: u32 = 5; Nov 30 02:12:52.688 INFO [stderr] | ^ help: consider using `_c` instead Nov 30 02:12:52.688 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `d` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:12:13 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 12 | let mut d = 5; Nov 30 02:12:52.688 INFO [stderr] | ^ help: consider using `_d` instead Nov 30 02:12:52.688 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:19:10 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 19 | let (x, y) = (1, 2); Nov 30 02:12:52.688 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.688 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:19:13 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 19 | let (x, y) = (1, 2); Nov 30 02:12:52.688 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.688 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:38:9 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 38 | let x = true; Nov 30 02:12:52.688 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.688 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:39:9 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 39 | let y: bool = false; Nov 30 02:12:52.688 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.688 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:44:9 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 44 | let x = 'x'; Nov 30 02:12:52.688 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.688 INFO [stderr] Nov 30 02:12:52.688 INFO [stderr] warning: unused variable: `two_hearts` Nov 30 02:12:52.688 INFO [stderr] --> src/main.rs:45:9 Nov 30 02:12:52.688 INFO [stderr] | Nov 30 02:12:52.688 INFO [stderr] 45 | let two_hearts = '¶'; Nov 30 02:12:52.689 INFO [stderr] | ^^^^^^^^^^ help: consider using `_two_hearts` instead Nov 30 02:12:52.689 INFO [stderr] Nov 30 02:12:52.689 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.689 INFO [stderr] --> src/main.rs:48:9 Nov 30 02:12:52.689 INFO [stderr] | Nov 30 02:12:52.689 INFO [stderr] 48 | let x = 42; // xはi32型を持つ Nov 30 02:12:52.689 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.689 INFO [stderr] Nov 30 02:12:52.689 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.689 INFO [stderr] --> src/main.rs:49:9 Nov 30 02:12:52.689 INFO [stderr] | Nov 30 02:12:52.689 INFO [stderr] 49 | let y = 1.0; // yはf64型を持つ Nov 30 02:12:52.689 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.689 INFO [stderr] Nov 30 02:12:52.689 INFO [stderr] warning: unused variable: `a` Nov 30 02:12:52.689 INFO [stderr] --> src/main.rs:52:9 Nov 30 02:12:52.689 INFO [stderr] | Nov 30 02:12:52.689 INFO [stderr] 52 | let a = [0, 1, 2, 3, 4]; Nov 30 02:12:52.689 INFO [stderr] | ^ help: consider using `_a` instead Nov 30 02:12:52.689 INFO [stderr] Nov 30 02:12:52.689 INFO [stderr] warning: unused variable: `m` Nov 30 02:12:52.689 INFO [stderr] --> src/main.rs:53:13 Nov 30 02:12:52.689 INFO [stderr] | Nov 30 02:12:52.689 INFO [stderr] 53 | let mut m = [1, 2, 3]; Nov 30 02:12:52.689 INFO [stderr] | ^ help: consider using `_m` instead Nov 30 02:12:52.689 INFO [stderr] Nov 30 02:12:52.689 INFO [stderr] warning: unused variable: `complete` Nov 30 02:12:52.689 INFO [stderr] --> src/main.rs:60:9 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 60 | let complete = &a[..]; Nov 30 02:12:52.690 INFO [stderr] | ^^^^^^^^ help: consider using `_complete` instead Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.690 INFO [stderr] warning: unused variable: `middle` Nov 30 02:12:52.690 INFO [stderr] --> src/main.rs:62:9 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 62 | let middle = &a[1..4]; Nov 30 02:12:52.690 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.690 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.690 INFO [stderr] --> src/main.rs:67:9 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 67 | let x = (1, "hello"); Nov 30 02:12:52.690 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.690 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.690 INFO [stderr] --> src/main.rs:68:9 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 68 | let x: (i32, &str) = (1, "hello"); Nov 30 02:12:52.690 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.690 INFO [stderr] warning: variable `x` is assigned to, but never used Nov 30 02:12:52.690 INFO [stderr] --> src/main.rs:70:13 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 70 | let mut x = (1, 2); Nov 30 02:12:52.690 INFO [stderr] | ^ Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] = note: consider using `_x` instead Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.690 INFO [stderr] warning: value assigned to `x` is never read Nov 30 02:12:52.690 INFO [stderr] --> src/main.rs:72:5 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 72 | x = y; Nov 30 02:12:52.690 INFO [stderr] | ^ Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.690 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.690 INFO [stderr] --> src/main.rs:74:10 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 74 | let (x, y, z) = (1, 2, 3); Nov 30 02:12:52.690 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.690 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.690 INFO [stderr] --> src/main.rs:74:13 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 74 | let (x, y, z) = (1, 2, 3); Nov 30 02:12:52.690 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.690 INFO [stderr] warning: unused variable: `z` Nov 30 02:12:52.690 INFO [stderr] --> src/main.rs:74:16 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 74 | let (x, y, z) = (1, 2, 3); Nov 30 02:12:52.690 INFO [stderr] | ^ help: consider using `_z` instead Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.690 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.690 INFO [stderr] --> src/main.rs:93:9 Nov 30 02:12:52.690 INFO [stderr] | Nov 30 02:12:52.690 INFO [stderr] 93 | let y = if x == 5 { 10 } else { 15 }; Nov 30 02:12:52.690 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.690 INFO [stderr] Nov 30 02:12:52.693 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:12:52.693 INFO [stderr] --> src/main.rs:12:9 Nov 30 02:12:52.693 INFO [stderr] | Nov 30 02:12:52.693 INFO [stderr] 12 | let mut d = 5; Nov 30 02:12:52.693 INFO [stderr] | ----^ Nov 30 02:12:52.693 INFO [stderr] | | Nov 30 02:12:52.693 INFO [stderr] | help: remove this `mut` Nov 30 02:12:52.693 INFO [stderr] | Nov 30 02:12:52.693 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 02:12:52.693 INFO [stderr] Nov 30 02:12:52.696 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:12:52.696 INFO [stderr] --> src/main.rs:53:9 Nov 30 02:12:52.696 INFO [stderr] | Nov 30 02:12:52.696 INFO [stderr] 53 | let mut m = [1, 2, 3]; Nov 30 02:12:52.696 INFO [stderr] | ----^ Nov 30 02:12:52.696 INFO [stderr] | | Nov 30 02:12:52.696 INFO [stderr] | help: remove this `mut` Nov 30 02:12:52.696 INFO [stderr] Nov 30 02:12:52.699 INFO [stderr] warning: function is never used: `declartion` Nov 30 02:12:52.699 INFO [stderr] --> src/main.rs:3:1 Nov 30 02:12:52.699 INFO [stderr] | Nov 30 02:12:52.699 INFO [stderr] 3 | fn declartion () { Nov 30 02:12:52.699 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 30 02:12:52.699 INFO [stderr] | Nov 30 02:12:52.699 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 30 02:12:52.699 INFO [stderr] Nov 30 02:12:52.699 INFO [stderr] warning: function is never used: `print_number` Nov 30 02:12:52.699 INFO [stderr] --> src/main.rs:26:1 Nov 30 02:12:52.699 INFO [stderr] | Nov 30 02:12:52.699 INFO [stderr] 26 | fn print_number(x: i32) { Nov 30 02:12:52.699 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 02:12:52.699 INFO [stderr] Nov 30 02:12:52.699 INFO [stderr] warning: function is never used: `add_one` Nov 30 02:12:52.699 INFO [stderr] --> src/main.rs:31:1 Nov 30 02:12:52.699 INFO [stderr] | Nov 30 02:12:52.699 INFO [stderr] 31 | fn add_one(x: i32) -> i32 { Nov 30 02:12:52.699 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 02:12:52.699 INFO [stderr] Nov 30 02:12:52.699 INFO [stderr] warning: function is never used: `primitive` Nov 30 02:12:52.699 INFO [stderr] --> src/main.rs:36:1 Nov 30 02:12:52.699 INFO [stderr] | Nov 30 02:12:52.699 INFO [stderr] 36 | fn primitive() { Nov 30 02:12:52.699 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 30 02:12:52.699 INFO [stderr] Nov 30 02:12:52.699 INFO [stderr] warning: function is never used: `if_demo` Nov 30 02:12:52.699 INFO [stderr] --> src/main.rs:80:1 Nov 30 02:12:52.699 INFO [stderr] | Nov 30 02:12:52.699 INFO [stderr] 80 | fn if_demo() { Nov 30 02:12:52.699 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 02:12:52.699 INFO [stderr] Nov 30 02:12:52.699 INFO [stderr] warning: function is never used: `loop_demo` Nov 30 02:12:52.699 INFO [stderr] --> src/main.rs:97:1 Nov 30 02:12:52.699 INFO [stderr] | Nov 30 02:12:52.699 INFO [stderr] 97 | fn loop_demo () { Nov 30 02:12:52.699 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 30 02:12:52.699 INFO [stderr] Nov 30 02:12:52.730 INFO [stderr] warning: unreachable statement Nov 30 02:12:52.730 INFO [stderr] --> src/main.rs:102:5 Nov 30 02:12:52.730 INFO [stderr] | Nov 30 02:12:52.730 INFO [stderr] 102 | let mut x = 5; Nov 30 02:12:52.730 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 30 02:12:52.730 INFO [stderr] | Nov 30 02:12:52.730 INFO [stderr] = note: #[warn(unreachable_code)] on by default Nov 30 02:12:52.730 INFO [stderr] Nov 30 02:12:52.744 INFO [stderr] warning: unused variable: `a` Nov 30 02:12:52.745 INFO [stderr] --> src/main.rs:6:9 Nov 30 02:12:52.745 INFO [stderr] | Nov 30 02:12:52.745 INFO [stderr] 6 | let a = 5; Nov 30 02:12:52.745 INFO [stderr] | ^ help: consider using `_a` instead Nov 30 02:12:52.745 INFO [stderr] | Nov 30 02:12:52.745 INFO [stderr] = note: #[warn(unused_variables)] on by default Nov 30 02:12:52.745 INFO [stderr] Nov 30 02:12:52.745 INFO [stderr] warning: unused variable: `b` Nov 30 02:12:52.745 INFO [stderr] --> src/main.rs:8:9 Nov 30 02:12:52.745 INFO [stderr] | Nov 30 02:12:52.745 INFO [stderr] 8 | let b: i32 = 5; Nov 30 02:12:52.745 INFO [stderr] | ^ help: consider using `_b` instead Nov 30 02:12:52.745 INFO [stderr] Nov 30 02:12:52.745 INFO [stderr] warning: unused variable: `c` Nov 30 02:12:52.745 INFO [stderr] --> src/main.rs:10:9 Nov 30 02:12:52.745 INFO [stderr] | Nov 30 02:12:52.745 INFO [stderr] 10 | let c: u32 = 5; Nov 30 02:12:52.745 INFO [stderr] | ^ help: consider using `_c` instead Nov 30 02:12:52.745 INFO [stderr] Nov 30 02:12:52.745 INFO [stderr] warning: unused variable: `d` Nov 30 02:12:52.745 INFO [stderr] --> src/main.rs:12:13 Nov 30 02:12:52.745 INFO [stderr] | Nov 30 02:12:52.745 INFO [stderr] 12 | let mut d = 5; Nov 30 02:12:52.745 INFO [stderr] | ^ help: consider using `_d` instead Nov 30 02:12:52.745 INFO [stderr] Nov 30 02:12:52.745 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.745 INFO [stderr] --> src/main.rs:19:10 Nov 30 02:12:52.745 INFO [stderr] | Nov 30 02:12:52.745 INFO [stderr] 19 | let (x, y) = (1, 2); Nov 30 02:12:52.745 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.745 INFO [stderr] Nov 30 02:12:52.745 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.745 INFO [stderr] --> src/main.rs:19:13 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 19 | let (x, y) = (1, 2); Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:38:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 38 | let x = true; Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:39:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 39 | let y: bool = false; Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:44:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 44 | let x = 'x'; Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `two_hearts` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:45:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 45 | let two_hearts = '¶'; Nov 30 02:12:52.746 INFO [stderr] | ^^^^^^^^^^ help: consider using `_two_hearts` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:48:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 48 | let x = 42; // xはi32型を持つ Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:49:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 49 | let y = 1.0; // yはf64型を持つ Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `a` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:52:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 52 | let a = [0, 1, 2, 3, 4]; Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_a` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `m` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:53:13 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 53 | let mut m = [1, 2, 3]; Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_m` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `complete` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:60:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 60 | let complete = &a[..]; Nov 30 02:12:52.746 INFO [stderr] | ^^^^^^^^ help: consider using `_complete` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `middle` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:62:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 62 | let middle = &a[1..4]; Nov 30 02:12:52.746 INFO [stderr] | ^^^^^^ help: consider using `_middle` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:67:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 67 | let x = (1, "hello"); Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:68:9 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 68 | let x: (i32, &str) = (1, "hello"); Nov 30 02:12:52.746 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: variable `x` is assigned to, but never used Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:70:13 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 70 | let mut x = (1, 2); Nov 30 02:12:52.746 INFO [stderr] | ^ Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] = note: consider using `_x` instead Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: value assigned to `x` is never read Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:72:5 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] 72 | x = y; Nov 30 02:12:52.746 INFO [stderr] | ^ Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.746 INFO [stderr] = note: #[warn(unused_assignments)] on by default Nov 30 02:12:52.746 INFO [stderr] Nov 30 02:12:52.746 INFO [stderr] warning: unused variable: `x` Nov 30 02:12:52.746 INFO [stderr] --> src/main.rs:74:10 Nov 30 02:12:52.746 INFO [stderr] | Nov 30 02:12:52.747 INFO [stderr] 74 | let (x, y, z) = (1, 2, 3); Nov 30 02:12:52.747 INFO [stderr] | ^ help: consider using `_x` instead Nov 30 02:12:52.747 INFO [stderr] Nov 30 02:12:52.747 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.747 INFO [stderr] --> src/main.rs:74:13 Nov 30 02:12:52.747 INFO [stderr] | Nov 30 02:12:52.747 INFO [stderr] 74 | let (x, y, z) = (1, 2, 3); Nov 30 02:12:52.747 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.747 INFO [stderr] Nov 30 02:12:52.747 INFO [stderr] warning: unused variable: `z` Nov 30 02:12:52.747 INFO [stderr] --> src/main.rs:74:16 Nov 30 02:12:52.747 INFO [stderr] | Nov 30 02:12:52.747 INFO [stderr] 74 | let (x, y, z) = (1, 2, 3); Nov 30 02:12:52.747 INFO [stderr] | ^ help: consider using `_z` instead Nov 30 02:12:52.747 INFO [stderr] Nov 30 02:12:52.747 INFO [stderr] warning: unused variable: `y` Nov 30 02:12:52.747 INFO [stderr] --> src/main.rs:93:9 Nov 30 02:12:52.747 INFO [stderr] | Nov 30 02:12:52.747 INFO [stderr] 93 | let y = if x == 5 { 10 } else { 15 }; Nov 30 02:12:52.747 INFO [stderr] | ^ help: consider using `_y` instead Nov 30 02:12:52.747 INFO [stderr] Nov 30 02:12:52.747 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:12:52.747 INFO [stderr] --> src/main.rs:12:9 Nov 30 02:12:52.747 INFO [stderr] | Nov 30 02:12:52.747 INFO [stderr] 12 | let mut d = 5; Nov 30 02:12:52.747 INFO [stderr] | ----^ Nov 30 02:12:52.747 INFO [stderr] | | Nov 30 02:12:52.747 INFO [stderr] | help: remove this `mut` Nov 30 02:12:52.747 INFO [stderr] | Nov 30 02:12:52.747 INFO [stderr] = note: #[warn(unused_mut)] on by default Nov 30 02:12:52.747 INFO [stderr] Nov 30 02:12:52.750 INFO [stderr] warning: variable does not need to be mutable Nov 30 02:12:52.750 INFO [stderr] --> src/main.rs:53:9 Nov 30 02:12:52.750 INFO [stderr] | Nov 30 02:12:52.750 INFO [stderr] 53 | let mut m = [1, 2, 3]; Nov 30 02:12:52.750 INFO [stderr] | ----^ Nov 30 02:12:52.750 INFO [stderr] | | Nov 30 02:12:52.750 INFO [stderr] | help: remove this `mut` Nov 30 02:12:52.750 INFO [stderr] Nov 30 02:12:52.760 INFO [stderr] warning: function is never used: `declartion` Nov 30 02:12:52.760 INFO [stderr] --> src/main.rs:3:1 Nov 30 02:12:52.760 INFO [stderr] | Nov 30 02:12:52.760 INFO [stderr] 3 | fn declartion () { Nov 30 02:12:52.760 INFO [stderr] | ^^^^^^^^^^^^^^^^ Nov 30 02:12:52.760 INFO [stderr] | Nov 30 02:12:52.760 INFO [stderr] = note: #[warn(dead_code)] on by default Nov 30 02:12:52.760 INFO [stderr] Nov 30 02:12:52.760 INFO [stderr] warning: function is never used: `print_number` Nov 30 02:12:52.760 INFO [stderr] --> src/main.rs:26:1 Nov 30 02:12:52.760 INFO [stderr] | Nov 30 02:12:52.760 INFO [stderr] 26 | fn print_number(x: i32) { Nov 30 02:12:52.760 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 02:12:52.760 INFO [stderr] Nov 30 02:12:52.760 INFO [stderr] warning: function is never used: `add_one` Nov 30 02:12:52.760 INFO [stderr] --> src/main.rs:31:1 Nov 30 02:12:52.760 INFO [stderr] | Nov 30 02:12:52.760 INFO [stderr] 31 | fn add_one(x: i32) -> i32 { Nov 30 02:12:52.760 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ Nov 30 02:12:52.760 INFO [stderr] Nov 30 02:12:52.760 INFO [stderr] warning: function is never used: `primitive` Nov 30 02:12:52.760 INFO [stderr] --> src/main.rs:36:1 Nov 30 02:12:52.760 INFO [stderr] | Nov 30 02:12:52.760 INFO [stderr] 36 | fn primitive() { Nov 30 02:12:52.760 INFO [stderr] | ^^^^^^^^^^^^^^ Nov 30 02:12:52.760 INFO [stderr] Nov 30 02:12:52.760 INFO [stderr] warning: function is never used: `if_demo` Nov 30 02:12:52.760 INFO [stderr] --> src/main.rs:80:1 Nov 30 02:12:52.760 INFO [stderr] | Nov 30 02:12:52.760 INFO [stderr] 80 | fn if_demo() { Nov 30 02:12:52.760 INFO [stderr] | ^^^^^^^^^^^^ Nov 30 02:12:52.760 INFO [stderr] Nov 30 02:12:52.760 INFO [stderr] warning: function is never used: `loop_demo` Nov 30 02:12:52.760 INFO [stderr] --> src/main.rs:97:1 Nov 30 02:12:52.760 INFO [stderr] | Nov 30 02:12:52.760 INFO [stderr] 97 | fn loop_demo () { Nov 30 02:12:52.760 INFO [stderr] | ^^^^^^^^^^^^^^^ Nov 30 02:12:52.760 INFO [stderr] Nov 30 02:12:52.769 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.44s Nov 30 02:12:52.771 INFO [stderr] su: No module specific data is present Nov 30 02:12:53.090 INFO running `"docker" "inspect" "608a2fea82119780dda9a1768c15797ba8118989ff15844025381cf45eb7502b"` Nov 30 02:12:53.210 INFO running `"docker" "rm" "-f" "608a2fea82119780dda9a1768c15797ba8118989ff15844025381cf45eb7502b"` Nov 30 02:12:53.390 INFO [stdout] 608a2fea82119780dda9a1768c15797ba8118989ff15844025381cf45eb7502b