Oct 12 21:16:19.026 INFO checking gdemarcsek/learn-rust against master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f for pr-54977
Oct 12 21:16:19.026 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/master#5af0bb83044c3fb43d59ad5f49ee5ae1a293901f:/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 +5af0bb83044c3fb43d59ad5f49ee5ae1a293901f-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 12 21:16:19.468 INFO blam! 999c836f39dace2cb5e52d7dafa66ed66a991ff039248f8c93f1c57ba74f390e
Oct 12 21:16:19.472 INFO running `"docker" "start" "-a" "999c836f39dace2cb5e52d7dafa66ed66a991ff039248f8c93f1c57ba74f390e"`
Oct 12 21:16:20.837 INFO kablam! usermod: no changes
Oct 12 21:16:20.925 INFO kablam!     Checking learn-rust v0.1.0 (/source)
Oct 12 21:16:21.604 INFO kablam! warning: unused import: `std::*`
Oct 12 21:16:21.604 INFO kablam!    --> src/main.rs:297:9
Oct 12 21:16:21.604 INFO kablam!     |
Oct 12 21:16:21.604 INFO kablam! 297 |     use std::*;         // glob import from Rust's standard library
Oct 12 21:16:21.604 INFO kablam!     |         ^^^^^^
Oct 12 21:16:21.604 INFO kablam!     |
Oct 12 21:16:21.604 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 12 21:16:21.604 INFO kablam! 
Oct 12 21:16:21.780 INFO kablam! warning: unreachable pattern
Oct 12 21:16:21.780 INFO kablam!    --> src/main.rs:269:9
Oct 12 21:16:21.780 INFO kablam!     |
Oct 12 21:16:21.780 INFO kablam! 269 |         _ => -1,    // _ is a placeholder that matches any value - if we put it as last, this will mean what the "default" label menas for "switch" in C++
Oct 12 21:16:21.780 INFO kablam!     |         ^
Oct 12 21:16:21.780 INFO kablam!     |
Oct 12 21:16:21.780 INFO kablam!     = note: #[warn(unreachable_patterns)] on by default
Oct 12 21:16:21.780 INFO kablam! 
Oct 12 21:16:21.780 INFO kablam! warning: unused variable: `x`
Oct 12 21:16:21.780 INFO kablam!   --> src/main.rs:17:9
Oct 12 21:16:21.780 INFO kablam!    |
Oct 12 21:16:21.780 INFO kablam! 17 |     let x = 42;             // (type is inferred by the compiler whenever possible)
Oct 12 21:16:21.780 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 21:16:21.780 INFO kablam!    |
Oct 12 21:16:21.780 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:16:21.780 INFO kablam! 
Oct 12 21:16:21.780 INFO kablam! warning: variable `x` is assigned to, but never used
Oct 12 21:16:21.780 INFO kablam!   --> src/main.rs:19:13
Oct 12 21:16:21.780 INFO kablam!    |
Oct 12 21:16:21.780 INFO kablam! 19 |     let mut x = 42;         // Now 'x' is declared to be mutable, thus...
Oct 12 21:16:21.780 INFO kablam!    |             ^
Oct 12 21:16:21.780 INFO kablam!    |
Oct 12 21:16:21.780 INFO kablam!    = note: consider using `_x` instead
Oct 12 21:16:21.780 INFO kablam! 
Oct 12 21:16:21.780 INFO kablam! warning: value assigned to `x` is never read
Oct 12 21:16:21.780 INFO kablam!   --> src/main.rs:20:5
Oct 12 21:16:21.780 INFO kablam!    |
Oct 12 21:16:21.780 INFO kablam! 20 |     x = 21;                 // its value can be changed later on
Oct 12 21:16:21.780 INFO kablam!    |     ^
Oct 12 21:16:21.780 INFO kablam!    |
Oct 12 21:16:21.780 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 21:16:21.780 INFO kablam! 
Oct 12 21:16:21.780 INFO kablam! warning: unused variable: `s`
Oct 12 21:16:21.780 INFO kablam!   --> src/main.rs:40:13
Oct 12 21:16:21.780 INFO kablam!    |
Oct 12 21:16:21.780 INFO kablam! 40 |         let s = String::from("dynamically allocated string");           // s owns the allocated memory...
Oct 12 21:16:21.780 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 12 21:16:21.780 INFO kablam! 
Oct 12 21:16:21.780 INFO kablam! warning: unused variable: `y`
Oct 12 21:16:21.780 INFO kablam!   --> src/main.rs:50:9
Oct 12 21:16:21.780 INFO kablam!    |
Oct 12 21:16:21.780 INFO kablam! 50 |     let y = x;          // a copy of the value of 'x'
Oct 12 21:16:21.780 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 21:16:21.780 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `s4`
Oct 12 21:16:21.781 INFO kablam!   --> src/main.rs:72:9
Oct 12 21:16:21.781 INFO kablam!    |
Oct 12 21:16:21.781 INFO kablam! 72 |     let s4 = gives_ownership();
Oct 12 21:16:21.781 INFO kablam!    |         ^^ help: consider using `_s4` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `r1`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:105:13
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 105 |         let r1 = &mut s1;
Oct 12 21:16:21.781 INFO kablam!     |             ^^ help: consider using `_r1` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `r2`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:110:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 110 |     let r2 = &s1;                   // but out of the scope of 'r1', we can create a reference again...
Oct 12 21:16:21.781 INFO kablam!     |         ^^ help: consider using `_r2` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `r3`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:111:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 111 |     let r3 = &s1;                   // ...even multiple immutable ones
Oct 12 21:16:21.781 INFO kablam!     |         ^^ help: consider using `_r3` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: value assigned to `slice3` is never read
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:150:13
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 150 |     let mut slice3 = &s[1..6];
Oct 12 21:16:21.781 INFO kablam!     |             ^^^^^^
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `slice4`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:155:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 155 |     let slice4: &[i32];         // the type of each item must be 'i32'
Oct 12 21:16:21.781 INFO kablam!     |         ^^^^^^ help: consider using `_slice4` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `red`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:191:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 191 |     let red = RGBColor(0xff, 0x00, 0x00);
Oct 12 21:16:21.781 INFO kablam!     |         ^^^ help: consider using `_red` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `foreign`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:233:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 233 |     let foreign = IpAddress::V6(314159263, 123442);
Oct 12 21:16:21.781 INFO kablam!     |         ^^^^^^^ help: consider using `_foreign` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `some_ip`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:238:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 238 |     let some_ip = Some(home);
Oct 12 21:16:21.781 INFO kablam!     |         ^^^^^^^ help: consider using `_some_ip` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `absent_ip`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:240:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 240 |     let absent_ip: Option<IpAddress> = None; 
Oct 12 21:16:21.781 INFO kablam!     |         ^^^^^^^^^ help: consider using `_absent_ip` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `x`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:243:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 243 |     let x: i8 = 5;
Oct 12 21:16:21.781 INFO kablam!     |         ^ help: consider using `_x` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `y`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:244:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 244 |     let y: Option<i8> = Some(5);
Oct 12 21:16:21.781 INFO kablam!     |         ^ help: consider using `_y` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.781 INFO kablam! warning: unused variable: `retcode`
Oct 12 21:16:21.781 INFO kablam!    --> src/main.rs:259:9
Oct 12 21:16:21.781 INFO kablam!     |
Oct 12 21:16:21.781 INFO kablam! 259 |     let retcode = match error {     // match forces us to cover all possible cases
Oct 12 21:16:21.781 INFO kablam!     |         ^^^^^^^ help: consider using `_retcode` instead
Oct 12 21:16:21.781 INFO kablam! 
Oct 12 21:16:21.796 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:16:21.796 INFO kablam!    --> src/main.rs:139:9
Oct 12 21:16:21.796 INFO kablam!     |
Oct 12 21:16:21.796 INFO kablam! 139 |     let mut s = String::from("hello world");
Oct 12 21:16:21.796 INFO kablam!     |         ----^
Oct 12 21:16:21.796 INFO kablam!     |         |
Oct 12 21:16:21.796 INFO kablam!     |         help: remove this `mut`
Oct 12 21:16:21.796 INFO kablam!     |
Oct 12 21:16:21.796 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 21:16:21.796 INFO kablam! 
Oct 12 21:16:21.804 INFO kablam! warning: variant is never constructed: `NetworkError`
Oct 12 21:16:21.804 INFO kablam!    --> src/main.rs:252:9
Oct 12 21:16:21.804 INFO kablam!     |
Oct 12 21:16:21.804 INFO kablam! 252 |         NetworkError,
Oct 12 21:16:21.804 INFO kablam!     |         ^^^^^^^^^^^^
Oct 12 21:16:21.804 INFO kablam!     |
Oct 12 21:16:21.804 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 21:16:21.804 INFO kablam! 
Oct 12 21:16:21.804 INFO kablam! warning: variant is never constructed: `SerilizationError`
Oct 12 21:16:21.804 INFO kablam!    --> src/main.rs:253:9
Oct 12 21:16:21.804 INFO kablam!     |
Oct 12 21:16:21.804 INFO kablam! 253 |         SerilizationError(String),
Oct 12 21:16:21.804 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:21.804 INFO kablam! 
Oct 12 21:16:21.804 INFO kablam! warning: function is never used: `closures`
Oct 12 21:16:21.804 INFO kablam!    --> src/main.rs:310:1
Oct 12 21:16:21.804 INFO kablam!     |
Oct 12 21:16:21.804 INFO kablam! 310 | fn closures() {
Oct 12 21:16:21.804 INFO kablam!     | ^^^^^^^^^^^^^
Oct 12 21:16:21.804 INFO kablam! 
Oct 12 21:16:21.804 INFO kablam! warning: variable `className` should have a snake case name such as `class_name`
Oct 12 21:16:21.804 INFO kablam!    --> src/main.rs:264:41
Oct 12 21:16:21.804 INFO kablam!     |
Oct 12 21:16:21.804 INFO kablam! 264 |         RPCCallError::SerilizationError(className) => {
Oct 12 21:16:21.804 INFO kablam!     |                                         ^^^^^^^^^
Oct 12 21:16:21.804 INFO kablam!     |
Oct 12 21:16:21.804 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Oct 12 21:16:21.804 INFO kablam! 
Oct 12 21:16:21.824 INFO kablam! warning: unused import: `std::*`
Oct 12 21:16:21.824 INFO kablam!    --> src/main.rs:297:9
Oct 12 21:16:21.824 INFO kablam!     |
Oct 12 21:16:21.824 INFO kablam! 297 |     use std::*;         // glob import from Rust's standard library
Oct 12 21:16:21.824 INFO kablam!     |         ^^^^^^
Oct 12 21:16:21.824 INFO kablam!     |
Oct 12 21:16:21.824 INFO kablam!     = note: #[warn(unused_imports)] on by default
Oct 12 21:16:21.824 INFO kablam! 
Oct 12 21:16:21.931 INFO kablam! warning: unreachable pattern
Oct 12 21:16:21.931 INFO kablam!    --> src/main.rs:269:9
Oct 12 21:16:21.931 INFO kablam!     |
Oct 12 21:16:21.931 INFO kablam! 269 |         _ => -1,    // _ is a placeholder that matches any value - if we put it as last, this will mean what the "default" label menas for "switch" in C++
Oct 12 21:16:21.931 INFO kablam!     |         ^
Oct 12 21:16:21.931 INFO kablam!     |
Oct 12 21:16:21.931 INFO kablam!     = note: #[warn(unreachable_patterns)] on by default
Oct 12 21:16:21.931 INFO kablam! 
Oct 12 21:16:21.931 INFO kablam! warning: unused variable: `x`
Oct 12 21:16:21.931 INFO kablam!   --> src/main.rs:17:9
Oct 12 21:16:21.931 INFO kablam!    |
Oct 12 21:16:21.931 INFO kablam! 17 |     let x = 42;             // (type is inferred by the compiler whenever possible)
Oct 12 21:16:21.931 INFO kablam!    |         ^ help: consider using `_x` instead
Oct 12 21:16:21.931 INFO kablam!    |
Oct 12 21:16:21.931 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:16:21.931 INFO kablam! 
Oct 12 21:16:21.931 INFO kablam! warning: variable `x` is assigned to, but never used
Oct 12 21:16:21.931 INFO kablam!   --> src/main.rs:19:13
Oct 12 21:16:21.931 INFO kablam!    |
Oct 12 21:16:21.931 INFO kablam! 19 |     let mut x = 42;         // Now 'x' is declared to be mutable, thus...
Oct 12 21:16:21.931 INFO kablam!    |             ^
Oct 12 21:16:21.931 INFO kablam!    |
Oct 12 21:16:21.931 INFO kablam!    = note: consider using `_x` instead
Oct 12 21:16:21.931 INFO kablam! 
Oct 12 21:16:21.931 INFO kablam! warning: value assigned to `x` is never read
Oct 12 21:16:21.931 INFO kablam!   --> src/main.rs:20:5
Oct 12 21:16:21.931 INFO kablam!    |
Oct 12 21:16:21.931 INFO kablam! 20 |     x = 21;                 // its value can be changed later on
Oct 12 21:16:21.931 INFO kablam!    |     ^
Oct 12 21:16:21.931 INFO kablam!    |
Oct 12 21:16:21.931 INFO kablam!    = note: #[warn(unused_assignments)] on by default
Oct 12 21:16:21.931 INFO kablam! 
Oct 12 21:16:21.931 INFO kablam! warning: unused variable: `s`
Oct 12 21:16:21.931 INFO kablam!   --> src/main.rs:40:13
Oct 12 21:16:21.932 INFO kablam!    |
Oct 12 21:16:21.932 INFO kablam! 40 |         let s = String::from("dynamically allocated string");           // s owns the allocated memory...
Oct 12 21:16:21.932 INFO kablam!    |             ^ help: consider using `_s` instead
Oct 12 21:16:21.932 INFO kablam! 
Oct 12 21:16:21.932 INFO kablam! warning: unused variable: `y`
Oct 12 21:16:21.932 INFO kablam!   --> src/main.rs:50:9
Oct 12 21:16:21.932 INFO kablam!    |
Oct 12 21:16:21.932 INFO kablam! 50 |     let y = x;          // a copy of the value of 'x'
Oct 12 21:16:21.932 INFO kablam!    |         ^ help: consider using `_y` instead
Oct 12 21:16:21.932 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: unused variable: `s4`
Oct 12 21:16:21.933 INFO kablam!   --> src/main.rs:72:9
Oct 12 21:16:21.933 INFO kablam!    |
Oct 12 21:16:21.933 INFO kablam! 72 |     let s4 = gives_ownership();
Oct 12 21:16:21.933 INFO kablam!    |         ^^ help: consider using `_s4` instead
Oct 12 21:16:21.933 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: unused variable: `r1`
Oct 12 21:16:21.933 INFO kablam!    --> src/main.rs:105:13
Oct 12 21:16:21.933 INFO kablam!     |
Oct 12 21:16:21.933 INFO kablam! 105 |         let r1 = &mut s1;
Oct 12 21:16:21.933 INFO kablam!     |             ^^ help: consider using `_r1` instead
Oct 12 21:16:21.933 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: unused variable: `r2`
Oct 12 21:16:21.933 INFO kablam!    --> src/main.rs:110:9
Oct 12 21:16:21.933 INFO kablam!     |
Oct 12 21:16:21.933 INFO kablam! 110 |     let r2 = &s1;                   // but out of the scope of 'r1', we can create a reference again...
Oct 12 21:16:21.933 INFO kablam!     |         ^^ help: consider using `_r2` instead
Oct 12 21:16:21.933 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: unused variable: `r3`
Oct 12 21:16:21.933 INFO kablam!    --> src/main.rs:111:9
Oct 12 21:16:21.933 INFO kablam!     |
Oct 12 21:16:21.933 INFO kablam! 111 |     let r3 = &s1;                   // ...even multiple immutable ones
Oct 12 21:16:21.933 INFO kablam!     |         ^^ help: consider using `_r3` instead
Oct 12 21:16:21.933 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: value assigned to `slice3` is never read
Oct 12 21:16:21.933 INFO kablam!    --> src/main.rs:150:13
Oct 12 21:16:21.933 INFO kablam!     |
Oct 12 21:16:21.933 INFO kablam! 150 |     let mut slice3 = &s[1..6];
Oct 12 21:16:21.933 INFO kablam!     |             ^^^^^^
Oct 12 21:16:21.933 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: unused variable: `slice4`
Oct 12 21:16:21.933 INFO kablam!    --> src/main.rs:155:9
Oct 12 21:16:21.933 INFO kablam!     |
Oct 12 21:16:21.933 INFO kablam! 155 |     let slice4: &[i32];         // the type of each item must be 'i32'
Oct 12 21:16:21.933 INFO kablam!     |         ^^^^^^ help: consider using `_slice4` instead
Oct 12 21:16:21.933 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: unused variable: `red`
Oct 12 21:16:21.933 INFO kablam!    --> src/main.rs:191:9
Oct 12 21:16:21.933 INFO kablam!     |
Oct 12 21:16:21.933 INFO kablam! 191 |     let red = RGBColor(0xff, 0x00, 0x00);
Oct 12 21:16:21.933 INFO kablam!     |         ^^^ help: consider using `_red` instead
Oct 12 21:16:21.933 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: unused variable: `foreign`
Oct 12 21:16:21.933 INFO kablam!    --> src/main.rs:233:9
Oct 12 21:16:21.933 INFO kablam!     |
Oct 12 21:16:21.933 INFO kablam! 233 |     let foreign = IpAddress::V6(314159263, 123442);
Oct 12 21:16:21.933 INFO kablam!     |         ^^^^^^^ help: consider using `_foreign` instead
Oct 12 21:16:21.933 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: unused variable: `some_ip`
Oct 12 21:16:21.933 INFO kablam!    --> src/main.rs:238:9
Oct 12 21:16:21.933 INFO kablam!     |
Oct 12 21:16:21.933 INFO kablam! 238 |     let some_ip = Some(home);
Oct 12 21:16:21.933 INFO kablam!     |         ^^^^^^^ help: consider using `_some_ip` instead
Oct 12 21:16:21.933 INFO kablam! 
Oct 12 21:16:21.933 INFO kablam! warning: unused variable: `absent_ip`
Oct 12 21:16:21.933 INFO kablam!    --> src/main.rs:240:9
Oct 12 21:16:21.934 INFO kablam!     |
Oct 12 21:16:21.934 INFO kablam! 240 |     let absent_ip: Option<IpAddress> = None; 
Oct 12 21:16:21.934 INFO kablam!     |         ^^^^^^^^^ help: consider using `_absent_ip` instead
Oct 12 21:16:21.934 INFO kablam! 
Oct 12 21:16:21.934 INFO kablam! warning: unused variable: `x`
Oct 12 21:16:21.934 INFO kablam!    --> src/main.rs:243:9
Oct 12 21:16:21.934 INFO kablam!     |
Oct 12 21:16:21.934 INFO kablam! 243 |     let x: i8 = 5;
Oct 12 21:16:21.934 INFO kablam!     |         ^ help: consider using `_x` instead
Oct 12 21:16:21.934 INFO kablam! 
Oct 12 21:16:21.934 INFO kablam! warning: unused variable: `y`
Oct 12 21:16:21.934 INFO kablam!    --> src/main.rs:244:9
Oct 12 21:16:21.934 INFO kablam!     |
Oct 12 21:16:21.934 INFO kablam! 244 |     let y: Option<i8> = Some(5);
Oct 12 21:16:21.934 INFO kablam!     |         ^ help: consider using `_y` instead
Oct 12 21:16:21.934 INFO kablam! 
Oct 12 21:16:21.934 INFO kablam! warning: unused variable: `retcode`
Oct 12 21:16:21.934 INFO kablam!    --> src/main.rs:259:9
Oct 12 21:16:21.934 INFO kablam!     |
Oct 12 21:16:21.934 INFO kablam! 259 |     let retcode = match error {     // match forces us to cover all possible cases
Oct 12 21:16:21.934 INFO kablam!     |         ^^^^^^^ help: consider using `_retcode` instead
Oct 12 21:16:21.934 INFO kablam! 
Oct 12 21:16:21.938 INFO kablam! warning: variable does not need to be mutable
Oct 12 21:16:21.938 INFO kablam!    --> src/main.rs:139:9
Oct 12 21:16:21.938 INFO kablam!     |
Oct 12 21:16:21.938 INFO kablam! 139 |     let mut s = String::from("hello world");
Oct 12 21:16:21.938 INFO kablam!     |         ----^
Oct 12 21:16:21.938 INFO kablam!     |         |
Oct 12 21:16:21.938 INFO kablam!     |         help: remove this `mut`
Oct 12 21:16:21.938 INFO kablam!     |
Oct 12 21:16:21.938 INFO kablam!     = note: #[warn(unused_mut)] on by default
Oct 12 21:16:21.945 INFO kablam! 
Oct 12 21:16:21.945 INFO kablam! warning: variant is never constructed: `NetworkError`
Oct 12 21:16:21.945 INFO kablam!    --> src/main.rs:252:9
Oct 12 21:16:21.945 INFO kablam!     |
Oct 12 21:16:21.945 INFO kablam! 252 |         NetworkError,
Oct 12 21:16:21.945 INFO kablam!     |         ^^^^^^^^^^^^
Oct 12 21:16:21.945 INFO kablam!     |
Oct 12 21:16:21.945 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 21:16:21.945 INFO kablam! 
Oct 12 21:16:21.945 INFO kablam! warning: variant is never constructed: `SerilizationError`
Oct 12 21:16:21.945 INFO kablam!    --> src/main.rs:253:9
Oct 12 21:16:21.945 INFO kablam!     |
Oct 12 21:16:21.945 INFO kablam! 253 |         SerilizationError(String),
Oct 12 21:16:21.946 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:16:21.946 INFO kablam! 
Oct 12 21:16:21.946 INFO kablam! warning: function is never used: `closures`
Oct 12 21:16:21.946 INFO kablam!    --> src/main.rs:310:1
Oct 12 21:16:21.946 INFO kablam!     |
Oct 12 21:16:21.946 INFO kablam! 310 | fn closures() {
Oct 12 21:16:21.946 INFO kablam!     | ^^^^^^^^^^^^^
Oct 12 21:16:21.947 INFO kablam! 
Oct 12 21:16:21.947 INFO kablam! warning: variable `className` should have a snake case name such as `class_name`
Oct 12 21:16:21.947 INFO kablam!    --> src/main.rs:264:41
Oct 12 21:16:21.947 INFO kablam!     |
Oct 12 21:16:21.947 INFO kablam! 264 |         RPCCallError::SerilizationError(className) => {
Oct 12 21:16:21.947 INFO kablam!     |                                         ^^^^^^^^^
Oct 12 21:16:21.947 INFO kablam!     |
Oct 12 21:16:21.947 INFO kablam!     = note: #[warn(non_snake_case)] on by default
Oct 12 21:16:21.952 INFO kablam! 
Oct 12 21:16:21.986 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Oct 12 21:16:21.986 INFO kablam! su: No module specific data is present
Oct 12 21:16:23.016 INFO running `"docker" "rm" "-f" "999c836f39dace2cb5e52d7dafa66ed66a991ff039248f8c93f1c57ba74f390e"`
Oct 12 21:16:23.336 INFO blam! 999c836f39dace2cb5e52d7dafa66ed66a991ff039248f8c93f1c57ba74f390e