Dec 05 07:30:04.999 INFO testing sikkiv/rust-samples against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514 Dec 05 07:30:04.999 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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"` Dec 05 07:30:05.260 INFO [stdout] 94d784aecc3e863e6d9819dd88ef20df20ee60cb0f20c988114fe70b2b3edc21 Dec 05 07:30:05.262 INFO running `"docker" "start" "-a" "94d784aecc3e863e6d9819dd88ef20df20ee60cb0f20c988114fe70b2b3edc21"` Dec 05 07:30:05.813 INFO [stderr] usermod: no changes Dec 05 07:30:05.844 INFO [stderr] Compiling ownership v0.1.0 (/source) Dec 05 07:30:06.060 INFO [stderr] warning: unused variable: `fancy` Dec 05 07:30:06.060 INFO [stderr] --> src/main.rs:642:30 Dec 05 07:30:06.060 INFO [stderr] | Dec 05 07:30:06.060 INFO [stderr] 642 | let capturing = |fancy| test; Dec 05 07:30:06.060 INFO [stderr] | ^^^^^ help: consider using `_fancy` instead Dec 05 07:30:06.060 INFO [stderr] | Dec 05 07:30:06.060 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 05 07:30:06.060 INFO [stderr] Dec 05 07:30:06.060 INFO [stderr] warning: unused variable: `scope_valid` Dec 05 07:30:06.060 INFO [stderr] --> src/main.rs:7:13 Dec 05 07:30:06.060 INFO [stderr] | Dec 05 07:30:06.060 INFO [stderr] 7 | let scope_valid = "here it's valid"; Dec 05 07:30:06.060 INFO [stderr] | ^^^^^^^^^^^ help: consider using `_scope_valid` instead Dec 05 07:30:06.060 INFO [stderr] Dec 05 07:30:06.061 INFO [stderr] warning: unused variable: `s1` Dec 05 07:30:06.061 INFO [stderr] --> src/main.rs:33:13 Dec 05 07:30:06.061 INFO [stderr] | Dec 05 07:30:06.061 INFO [stderr] 33 | let s1 = s; Dec 05 07:30:06.061 INFO [stderr] | ^^ help: consider using `_s1` instead Dec 05 07:30:06.061 INFO [stderr] Dec 05 07:30:06.061 INFO [stderr] warning: unused variable: `u` Dec 05 07:30:06.061 INFO [stderr] --> src/main.rs:68:13 Dec 05 07:30:06.061 INFO [stderr] | Dec 05 07:30:06.061 INFO [stderr] 68 | let u = calculate_length(&s1); Dec 05 07:30:06.061 INFO [stderr] | ^ help: consider using `_u` instead Dec 05 07:30:06.061 INFO [stderr] Dec 05 07:30:06.061 INFO [stderr] warning: unused variable: `r1` Dec 05 07:30:06.061 INFO [stderr] --> src/main.rs:104:17 Dec 05 07:30:06.061 INFO [stderr] | Dec 05 07:30:06.061 INFO [stderr] 104 | let r1 = &mut s; Dec 05 07:30:06.061 INFO [stderr] | ^^ help: consider using `_r1` instead Dec 05 07:30:06.061 INFO [stderr] Dec 05 07:30:06.061 INFO [stderr] warning: unused variable: `r3` Dec 05 07:30:06.061 INFO [stderr] --> src/main.rs:107:13 Dec 05 07:30:06.061 INFO [stderr] | Dec 05 07:30:06.061 INFO [stderr] 107 | let r3 = &mut s; Dec 05 07:30:06.061 INFO [stderr] | ^^ help: consider using `_r3` instead Dec 05 07:30:06.061 INFO [stderr] Dec 05 07:30:06.061 INFO [stderr] warning: unused variable: `reference_to_something` Dec 05 07:30:06.061 INFO [stderr] --> src/main.rs:129:13 Dec 05 07:30:06.061 INFO [stderr] | Dec 05 07:30:06.061 INFO [stderr] 129 | let reference_to_something = no_dangle(); Dec 05 07:30:06.061 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_reference_to_something` instead Dec 05 07:30:06.061 INFO [stderr] Dec 05 07:30:06.061 INFO [stderr] warning: unused variable: `first` Dec 05 07:30:06.061 INFO [stderr] --> src/main.rs:138:13 Dec 05 07:30:06.061 INFO [stderr] | Dec 05 07:30:06.061 INFO [stderr] 138 | let first = &s[0..5]; Dec 05 07:30:06.062 INFO [stderr] | ^^^^^ help: consider using `_first` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `second` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:141:13 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 141 | let second = &s[6..11]; Dec 05 07:30:06.062 INFO [stderr] | ^^^^^^ help: consider using `_second` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `s1` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:146:13 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 146 | let s1 = "Hello world!"; // is a slice pointing to the memory in the binary Dec 05 07:30:06.062 INFO [stderr] | ^^ help: consider using `_s1` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `third_test` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:184:13 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 184 | let third_test = MyCustomObject { Dec 05 07:30:06.062 INFO [stderr] | ^^^^^^^^^^ help: consider using `_third_test` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `point` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:192:13 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 192 | let point = Point(0, 0, 0); Dec 05 07:30:06.062 INFO [stderr] | ^^^^^ help: consider using `_point` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `home` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:221:17 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 221 | let home = IpAddr::V4(String::from("127.0.0.1")); Dec 05 07:30:06.062 INFO [stderr] | ^^^^ help: consider using `_home` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `loopback` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:222:17 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 222 | let loopback = IpAddr::V6(String::from("::1")); Dec 05 07:30:06.062 INFO [stderr] | ^^^^^^^^ help: consider using `_loopback` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `home` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:232:17 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 232 | let home = IpAddr::V4(127, 0, 0, 1); Dec 05 07:30:06.062 INFO [stderr] | ^^^^ help: consider using `_home` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `loopback` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:233:17 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 233 | let loopback = IpAddr::V6(String::from("::1")); Dec 05 07:30:06.062 INFO [stderr] | ^^^^^^^^ help: consider using `_loopback` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `some_number` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:241:17 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 241 | let some_number = Some(5); Dec 05 07:30:06.062 INFO [stderr] | ^^^^^^^^^^^ help: consider using `_some_number` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `some_string` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:242:17 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 242 | let some_string = Some("hello"); Dec 05 07:30:06.062 INFO [stderr] | ^^^^^^^^^^^ help: consider using `_some_string` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `absent_number` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:243:17 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 243 | let absent_number: Option = None; // here we have to explicitly state the type because no infering mechanism possible Dec 05 07:30:06.062 INFO [stderr] | ^^^^^^^^^^^^^ help: consider using `_absent_number` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `six` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:309:17 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 309 | let six = plus_one(five); Dec 05 07:30:06.062 INFO [stderr] | ^^^ help: consider using `_six` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.062 INFO [stderr] warning: unused variable: `none` Dec 05 07:30:06.062 INFO [stderr] --> src/main.rs:310:17 Dec 05 07:30:06.062 INFO [stderr] | Dec 05 07:30:06.062 INFO [stderr] 310 | let none = plus_one(None); Dec 05 07:30:06.062 INFO [stderr] | ^^^^ help: consider using `_none` instead Dec 05 07:30:06.062 INFO [stderr] Dec 05 07:30:06.063 INFO [stderr] warning: unused variable: `six` Dec 05 07:30:06.063 INFO [stderr] --> src/main.rs:324:17 Dec 05 07:30:06.063 INFO [stderr] | Dec 05 07:30:06.063 INFO [stderr] 324 | let six = plus_one(five); Dec 05 07:30:06.063 INFO [stderr] | ^^^ help: consider using `_six` instead Dec 05 07:30:06.063 INFO [stderr] Dec 05 07:30:06.063 INFO [stderr] warning: unused variable: `none` Dec 05 07:30:06.063 INFO [stderr] --> src/main.rs:325:17 Dec 05 07:30:06.063 INFO [stderr] | Dec 05 07:30:06.063 INFO [stderr] 325 | let none = plus_one(None); Dec 05 07:30:06.063 INFO [stderr] | ^^^^ help: consider using `_none` instead Dec 05 07:30:06.063 INFO [stderr] Dec 05 07:30:06.063 INFO [stderr] warning: unused variable: `my_vec` Dec 05 07:30:06.063 INFO [stderr] --> src/main.rs:353:17 Dec 05 07:30:06.063 INFO [stderr] | Dec 05 07:30:06.063 INFO [stderr] 353 | let my_vec = vec![1, 2, 3]; Dec 05 07:30:06.063 INFO [stderr] | ^^^^^^ help: consider using `_my_vec` instead Dec 05 07:30:06.063 INFO [stderr] Dec 05 07:30:06.063 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:06.063 INFO [stderr] --> src/main.rs:361:17 Dec 05 07:30:06.063 INFO [stderr] | Dec 05 07:30:06.063 INFO [stderr] 361 | let f = match f { Dec 05 07:30:06.063 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:06.063 INFO [stderr] Dec 05 07:30:06.063 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:06.063 INFO [stderr] --> src/main.rs:366:17 Dec 05 07:30:06.063 INFO [stderr] | Dec 05 07:30:06.063 INFO [stderr] 366 | let f = match File::open("test.txt") { Dec 05 07:30:06.063 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:06.063 INFO [stderr] Dec 05 07:30:06.063 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:06.063 INFO [stderr] --> src/main.rs:373:17 Dec 05 07:30:06.063 INFO [stderr] | Dec 05 07:30:06.063 INFO [stderr] 373 | let f = match File::open("ksdfksd.txt") { Dec 05 07:30:06.063 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:06.063 INFO [stderr] Dec 05 07:30:06.063 INFO [stderr] warning: unused variable: `e` Dec 05 07:30:06.063 INFO [stderr] --> src/main.rs:380:29 Dec 05 07:30:06.063 INFO [stderr] | Dec 05 07:30:06.063 INFO [stderr] 380 | Err(e) => panic!( Dec 05 07:30:06.063 INFO [stderr] | ^ help: consider using `_e` instead Dec 05 07:30:06.063 INFO [stderr] Dec 05 07:30:06.064 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:06.064 INFO [stderr] --> src/main.rs:398:17 Dec 05 07:30:06.064 INFO [stderr] | Dec 05 07:30:06.064 INFO [stderr] 398 | let f = File::open("something-that-does-not-exist.txt").unwrap(); Dec 05 07:30:06.064 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:06.064 INFO [stderr] Dec 05 07:30:06.064 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:06.064 INFO [stderr] --> src/main.rs:401:17 Dec 05 07:30:06.064 INFO [stderr] | Dec 05 07:30:06.064 INFO [stderr] 401 | let f = File::open("kskiefi.txt").expect("failed opening the file xxx"); Dec 05 07:30:06.064 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:06.064 INFO [stderr] Dec 05 07:30:06.064 INFO [stderr] warning: unused variable: `integer` Dec 05 07:30:06.064 INFO [stderr] --> src/main.rs:438:17 Dec 05 07:30:06.064 INFO [stderr] | Dec 05 07:30:06.064 INFO [stderr] 438 | let integer = Point { x: 5, y: 10 }; Dec 05 07:30:06.064 INFO [stderr] | ^^^^^^^ help: consider using `_integer` instead Dec 05 07:30:06.064 INFO [stderr] Dec 05 07:30:06.064 INFO [stderr] warning: unused variable: `float` Dec 05 07:30:06.064 INFO [stderr] --> src/main.rs:439:17 Dec 05 07:30:06.064 INFO [stderr] | Dec 05 07:30:06.065 INFO [stderr] 439 | let float = Point { x: 0.5, y: 1.4 }; Dec 05 07:30:06.065 INFO [stderr] | ^^^^^ help: consider using `_float` instead Dec 05 07:30:06.065 INFO [stderr] Dec 05 07:30:06.065 INFO [stderr] warning: unused variable: `mixed_int_float` Dec 05 07:30:06.065 INFO [stderr] --> src/main.rs:449:17 Dec 05 07:30:06.065 INFO [stderr] | Dec 05 07:30:06.065 INFO [stderr] 449 | let mixed_int_float = MixedPoint { x: 5, y: 1.0 }; Dec 05 07:30:06.065 INFO [stderr] | ^^^^^^^^^^^^^^^ help: consider using `_mixed_int_float` instead Dec 05 07:30:06.065 INFO [stderr] Dec 05 07:30:06.065 INFO [stderr] warning: unused variable: `closure_runs_with_captured_value` Dec 05 07:30:06.065 INFO [stderr] --> src/main.rs:643:17 Dec 05 07:30:06.065 INFO [stderr] | Dec 05 07:30:06.065 INFO [stderr] 643 | let closure_runs_with_captured_value = capturing(1); Dec 05 07:30:06.065 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_closure_runs_with_captured_value` instead Dec 05 07:30:06.065 INFO [stderr] Dec 05 07:30:06.065 INFO [stderr] warning: unused variable: `s` Dec 05 07:30:06.065 INFO [stderr] --> src/main.rs:78:19 Dec 05 07:30:06.065 INFO [stderr] | Dec 05 07:30:06.065 INFO [stderr] 78 | fn change(s: &String) { Dec 05 07:30:06.065 INFO [stderr] | ^ help: consider using `_s` instead Dec 05 07:30:06.065 INFO [stderr] Dec 05 07:30:06.065 INFO [stderr] warning: unused variable: `item` Dec 05 07:30:06.065 INFO [stderr] --> src/main.rs:505:39 Dec 05 07:30:06.065 INFO [stderr] | Dec 05 07:30:06.065 INFO [stderr] 505 | pub fn notify(item: T) { Dec 05 07:30:06.065 INFO [stderr] | ^^^^ help: consider using `_item` instead Dec 05 07:30:06.065 INFO [stderr] Dec 05 07:30:06.077 INFO [stderr] warning: variable does not need to be mutable Dec 05 07:30:06.077 INFO [stderr] --> src/main.rs:655:17 Dec 05 07:30:06.078 INFO [stderr] | Dec 05 07:30:06.078 INFO [stderr] 655 | let mut v_iter = v.iter(); Dec 05 07:30:06.078 INFO [stderr] | ----^^^^^^ Dec 05 07:30:06.078 INFO [stderr] | | Dec 05 07:30:06.078 INFO [stderr] | help: remove this `mut` Dec 05 07:30:06.078 INFO [stderr] | Dec 05 07:30:06.078 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 05 07:30:06.078 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: function is never used: `build_user` Dec 05 07:30:06.086 INFO [stderr] --> src/main.rs:176:9 Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] 176 | fn build_user(name: String, active: bool) -> MyCustomObject { Dec 05 07:30:06.086 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 05 07:30:06.086 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: variant is never constructed: `Special` Dec 05 07:30:06.086 INFO [stderr] --> src/main.rs:249:17 Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] 249 | Special, Dec 05 07:30:06.086 INFO [stderr] | ^^^^^^^ Dec 05 07:30:06.086 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: variant is never constructed: `Nothing` Dec 05 07:30:06.086 INFO [stderr] --> src/main.rs:251:17 Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] 251 | Nothing, Dec 05 07:30:06.086 INFO [stderr] | ^^^^^^^ Dec 05 07:30:06.086 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: variant is never constructed: `Boring` Dec 05 07:30:06.086 INFO [stderr] --> src/main.rs:252:17 Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] 252 | Boring, Dec 05 07:30:06.086 INFO [stderr] | ^^^^^^ Dec 05 07:30:06.086 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: variant is never constructed: `Active` Dec 05 07:30:06.086 INFO [stderr] --> src/main.rs:278:17 Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] 278 | Active, Dec 05 07:30:06.086 INFO [stderr] | ^^^^^^ Dec 05 07:30:06.086 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: variant is never constructed: `IBM` Dec 05 07:30:06.086 INFO [stderr] --> src/main.rs:282:17 Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] 282 | IBM, Dec 05 07:30:06.086 INFO [stderr] | ^^^ Dec 05 07:30:06.086 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: variant is never constructed: `PowerPC` Dec 05 07:30:06.086 INFO [stderr] --> src/main.rs:283:17 Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] 283 | PowerPC, Dec 05 07:30:06.086 INFO [stderr] | ^^^^^^^ Dec 05 07:30:06.086 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: function is never used: `read_username_from_file` Dec 05 07:30:06.086 INFO [stderr] --> src/main.rs:411:13 Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] 411 | fn read_username_from_file() -> Result { Dec 05 07:30:06.086 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.086 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: function is never used: `read_something_from_file` Dec 05 07:30:06.086 INFO [stderr] --> src/main.rs:422:13 Dec 05 07:30:06.086 INFO [stderr] | Dec 05 07:30:06.086 INFO [stderr] 422 | fn read_something_from_file() -> Result { Dec 05 07:30:06.086 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.086 INFO [stderr] Dec 05 07:30:06.086 INFO [stderr] warning: field is never used: `x` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:434:17 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 434 | x: T, Dec 05 07:30:06.087 INFO [stderr] | ^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: field is never used: `y` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:435:17 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 435 | y: T, Dec 05 07:30:06.087 INFO [stderr] | ^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: field is never used: `x` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:445:17 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 445 | x: T, Dec 05 07:30:06.087 INFO [stderr] | ^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: field is never used: `y` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:446:17 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 446 | y: U, Dec 05 07:30:06.087 INFO [stderr] | ^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: method is never used: `x` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:454:17 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 454 | fn x(&self) -> &T { Dec 05 07:30:06.087 INFO [stderr] | ^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: method is never used: `distance_from_origin` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:461:17 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 461 | fn distance_from_origin(&self) -> f32 { Dec 05 07:30:06.087 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: method is never used: `mixup` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:469:17 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 469 | fn mixup(self, other: MixedPoint) -> MixedPoint { Dec 05 07:30:06.087 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: struct is never constructed: `Tweet` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:486:13 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 486 | pub struct Tweet { Dec 05 07:30:06.087 INFO [stderr] | ^^^^^^^^^^^^^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: function is never used: `notify` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:505:13 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 505 | pub fn notify(item: T) { Dec 05 07:30:06.087 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: struct is never constructed: `Pair` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:526:13 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 526 | struct Pair { Dec 05 07:30:06.087 INFO [stderr] | ^^^^^^^^^^^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: method is never used: `new` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:532:17 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 532 | fn new(x: T, y: T) -> Self { Dec 05 07:30:06.087 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: method is never used: `cmp_display` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:538:17 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 538 | fn cmp_display(&self) { Dec 05 07:30:06.087 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: function is never used: `longest` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:573:13 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 573 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { Dec 05 07:30:06.087 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 05 07:30:06.087 INFO [stderr] Dec 05 07:30:06.087 INFO [stderr] warning: struct is never constructed: `Test` Dec 05 07:30:06.087 INFO [stderr] --> src/main.rs:633:13 Dec 05 07:30:06.087 INFO [stderr] | Dec 05 07:30:06.087 INFO [stderr] 633 | / struct Test Dec 05 07:30:06.087 INFO [stderr] 634 | | where Dec 05 07:30:06.087 INFO [stderr] 635 | | T: Fn(u32) -> u32, Dec 05 07:30:06.088 INFO [stderr] 636 | | { Dec 05 07:30:06.088 INFO [stderr] 637 | | closure_within_struct: T, Dec 05 07:30:06.088 INFO [stderr] 638 | | some_other_value: Option, Dec 05 07:30:06.088 INFO [stderr] 639 | | } Dec 05 07:30:06.088 INFO [stderr] | |_____________^ Dec 05 07:30:06.088 INFO [stderr] Dec 05 07:30:06.439 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.60s Dec 05 07:30:06.439 INFO [stderr] su: No module specific data is present Dec 05 07:30:06.778 INFO running `"docker" "inspect" "94d784aecc3e863e6d9819dd88ef20df20ee60cb0f20c988114fe70b2b3edc21"` Dec 05 07:30:06.904 INFO running `"docker" "rm" "-f" "94d784aecc3e863e6d9819dd88ef20df20ee60cb0f20c988114fe70b2b3edc21"` Dec 05 07:30:07.073 INFO [stdout] 94d784aecc3e863e6d9819dd88ef20df20ee60cb0f20c988114fe70b2b3edc21 Dec 05 07:30:07.078 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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"` Dec 05 07:30:07.366 INFO [stdout] ddd64d404f191ad066397df26fe0890e6b3807f22f311c03312088f147f520ec Dec 05 07:30:07.368 INFO running `"docker" "start" "-a" "ddd64d404f191ad066397df26fe0890e6b3807f22f311c03312088f147f520ec"` Dec 05 07:30:07.911 INFO [stderr] usermod: no changes Dec 05 07:30:07.956 INFO [stderr] Compiling ownership v0.1.0 (/source) Dec 05 07:30:08.251 INFO [stderr] warning: unused variable: `fancy` Dec 05 07:30:08.251 INFO [stderr] --> src/main.rs:642:30 Dec 05 07:30:08.251 INFO [stderr] | Dec 05 07:30:08.251 INFO [stderr] 642 | let capturing = |fancy| test; Dec 05 07:30:08.251 INFO [stderr] | ^^^^^ help: consider using `_fancy` instead Dec 05 07:30:08.251 INFO [stderr] | Dec 05 07:30:08.251 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 05 07:30:08.251 INFO [stderr] Dec 05 07:30:08.251 INFO [stderr] warning: unused variable: `scope_valid` Dec 05 07:30:08.251 INFO [stderr] --> src/main.rs:7:13 Dec 05 07:30:08.251 INFO [stderr] | Dec 05 07:30:08.251 INFO [stderr] 7 | let scope_valid = "here it's valid"; Dec 05 07:30:08.251 INFO [stderr] | ^^^^^^^^^^^ help: consider using `_scope_valid` instead Dec 05 07:30:08.251 INFO [stderr] Dec 05 07:30:08.251 INFO [stderr] warning: unused variable: `s1` Dec 05 07:30:08.251 INFO [stderr] --> src/main.rs:33:13 Dec 05 07:30:08.251 INFO [stderr] | Dec 05 07:30:08.251 INFO [stderr] 33 | let s1 = s; Dec 05 07:30:08.251 INFO [stderr] | ^^ help: consider using `_s1` instead Dec 05 07:30:08.251 INFO [stderr] Dec 05 07:30:08.251 INFO [stderr] warning: unused variable: `u` Dec 05 07:30:08.251 INFO [stderr] --> src/main.rs:68:13 Dec 05 07:30:08.251 INFO [stderr] | Dec 05 07:30:08.251 INFO [stderr] 68 | let u = calculate_length(&s1); Dec 05 07:30:08.251 INFO [stderr] | ^ help: consider using `_u` instead Dec 05 07:30:08.251 INFO [stderr] Dec 05 07:30:08.251 INFO [stderr] warning: unused variable: `r1` Dec 05 07:30:08.251 INFO [stderr] --> src/main.rs:104:17 Dec 05 07:30:08.251 INFO [stderr] | Dec 05 07:30:08.251 INFO [stderr] 104 | let r1 = &mut s; Dec 05 07:30:08.251 INFO [stderr] | ^^ help: consider using `_r1` instead Dec 05 07:30:08.251 INFO [stderr] Dec 05 07:30:08.251 INFO [stderr] warning: unused variable: `r3` Dec 05 07:30:08.251 INFO [stderr] --> src/main.rs:107:13 Dec 05 07:30:08.251 INFO [stderr] | Dec 05 07:30:08.251 INFO [stderr] 107 | let r3 = &mut s; Dec 05 07:30:08.252 INFO [stderr] | ^^ help: consider using `_r3` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `reference_to_something` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:129:13 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 129 | let reference_to_something = no_dangle(); Dec 05 07:30:08.252 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_reference_to_something` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `first` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:138:13 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 138 | let first = &s[0..5]; Dec 05 07:30:08.252 INFO [stderr] | ^^^^^ help: consider using `_first` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `second` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:141:13 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 141 | let second = &s[6..11]; Dec 05 07:30:08.252 INFO [stderr] | ^^^^^^ help: consider using `_second` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `s1` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:146:13 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 146 | let s1 = "Hello world!"; // is a slice pointing to the memory in the binary Dec 05 07:30:08.252 INFO [stderr] | ^^ help: consider using `_s1` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `third_test` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:184:13 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 184 | let third_test = MyCustomObject { Dec 05 07:30:08.252 INFO [stderr] | ^^^^^^^^^^ help: consider using `_third_test` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `point` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:192:13 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 192 | let point = Point(0, 0, 0); Dec 05 07:30:08.252 INFO [stderr] | ^^^^^ help: consider using `_point` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `home` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:221:17 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 221 | let home = IpAddr::V4(String::from("127.0.0.1")); Dec 05 07:30:08.252 INFO [stderr] | ^^^^ help: consider using `_home` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `loopback` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:222:17 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 222 | let loopback = IpAddr::V6(String::from("::1")); Dec 05 07:30:08.252 INFO [stderr] | ^^^^^^^^ help: consider using `_loopback` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `home` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:232:17 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 232 | let home = IpAddr::V4(127, 0, 0, 1); Dec 05 07:30:08.252 INFO [stderr] | ^^^^ help: consider using `_home` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `loopback` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:233:17 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 233 | let loopback = IpAddr::V6(String::from("::1")); Dec 05 07:30:08.252 INFO [stderr] | ^^^^^^^^ help: consider using `_loopback` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `some_number` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:241:17 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 241 | let some_number = Some(5); Dec 05 07:30:08.252 INFO [stderr] | ^^^^^^^^^^^ help: consider using `_some_number` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `some_string` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:242:17 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 242 | let some_string = Some("hello"); Dec 05 07:30:08.252 INFO [stderr] | ^^^^^^^^^^^ help: consider using `_some_string` instead Dec 05 07:30:08.252 INFO [stderr] Dec 05 07:30:08.252 INFO [stderr] warning: unused variable: `absent_number` Dec 05 07:30:08.252 INFO [stderr] --> src/main.rs:243:17 Dec 05 07:30:08.252 INFO [stderr] | Dec 05 07:30:08.252 INFO [stderr] 243 | let absent_number: Option = None; // here we have to explicitly state the type because no infering mechanism possible Dec 05 07:30:08.253 INFO [stderr] | ^^^^^^^^^^^^^ help: consider using `_absent_number` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `six` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:309:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 309 | let six = plus_one(five); Dec 05 07:30:08.253 INFO [stderr] | ^^^ help: consider using `_six` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `none` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:310:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 310 | let none = plus_one(None); Dec 05 07:30:08.253 INFO [stderr] | ^^^^ help: consider using `_none` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `six` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:324:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 324 | let six = plus_one(five); Dec 05 07:30:08.253 INFO [stderr] | ^^^ help: consider using `_six` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `none` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:325:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 325 | let none = plus_one(None); Dec 05 07:30:08.253 INFO [stderr] | ^^^^ help: consider using `_none` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `my_vec` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:353:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 353 | let my_vec = vec![1, 2, 3]; Dec 05 07:30:08.253 INFO [stderr] | ^^^^^^ help: consider using `_my_vec` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:361:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 361 | let f = match f { Dec 05 07:30:08.253 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:366:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 366 | let f = match File::open("test.txt") { Dec 05 07:30:08.253 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:373:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 373 | let f = match File::open("ksdfksd.txt") { Dec 05 07:30:08.253 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `e` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:380:29 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 380 | Err(e) => panic!( Dec 05 07:30:08.253 INFO [stderr] | ^ help: consider using `_e` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:398:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 398 | let f = File::open("something-that-does-not-exist.txt").unwrap(); Dec 05 07:30:08.253 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `f` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:401:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 401 | let f = File::open("kskiefi.txt").expect("failed opening the file xxx"); Dec 05 07:30:08.253 INFO [stderr] | ^ help: consider using `_f` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `integer` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:438:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 438 | let integer = Point { x: 5, y: 10 }; Dec 05 07:30:08.253 INFO [stderr] | ^^^^^^^ help: consider using `_integer` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `float` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:439:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.253 INFO [stderr] 439 | let float = Point { x: 0.5, y: 1.4 }; Dec 05 07:30:08.253 INFO [stderr] | ^^^^^ help: consider using `_float` instead Dec 05 07:30:08.253 INFO [stderr] Dec 05 07:30:08.253 INFO [stderr] warning: unused variable: `mixed_int_float` Dec 05 07:30:08.253 INFO [stderr] --> src/main.rs:449:17 Dec 05 07:30:08.253 INFO [stderr] | Dec 05 07:30:08.254 INFO [stderr] 449 | let mixed_int_float = MixedPoint { x: 5, y: 1.0 }; Dec 05 07:30:08.254 INFO [stderr] | ^^^^^^^^^^^^^^^ help: consider using `_mixed_int_float` instead Dec 05 07:30:08.254 INFO [stderr] Dec 05 07:30:08.254 INFO [stderr] warning: unused variable: `closure_runs_with_captured_value` Dec 05 07:30:08.254 INFO [stderr] --> src/main.rs:643:17 Dec 05 07:30:08.254 INFO [stderr] | Dec 05 07:30:08.254 INFO [stderr] 643 | let closure_runs_with_captured_value = capturing(1); Dec 05 07:30:08.254 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_closure_runs_with_captured_value` instead Dec 05 07:30:08.254 INFO [stderr] Dec 05 07:30:08.254 INFO [stderr] warning: unused variable: `s` Dec 05 07:30:08.254 INFO [stderr] --> src/main.rs:78:19 Dec 05 07:30:08.254 INFO [stderr] | Dec 05 07:30:08.254 INFO [stderr] 78 | fn change(s: &String) { Dec 05 07:30:08.254 INFO [stderr] | ^ help: consider using `_s` instead Dec 05 07:30:08.254 INFO [stderr] Dec 05 07:30:08.254 INFO [stderr] warning: unused variable: `item` Dec 05 07:30:08.254 INFO [stderr] --> src/main.rs:505:39 Dec 05 07:30:08.254 INFO [stderr] | Dec 05 07:30:08.254 INFO [stderr] 505 | pub fn notify(item: T) { Dec 05 07:30:08.254 INFO [stderr] | ^^^^ help: consider using `_item` instead Dec 05 07:30:08.254 INFO [stderr] Dec 05 07:30:08.261 INFO [stderr] warning: variable does not need to be mutable Dec 05 07:30:08.261 INFO [stderr] --> src/main.rs:655:17 Dec 05 07:30:08.261 INFO [stderr] | Dec 05 07:30:08.261 INFO [stderr] 655 | let mut v_iter = v.iter(); Dec 05 07:30:08.261 INFO [stderr] | ----^^^^^^ Dec 05 07:30:08.261 INFO [stderr] | | Dec 05 07:30:08.261 INFO [stderr] | help: remove this `mut` Dec 05 07:30:08.261 INFO [stderr] | Dec 05 07:30:08.261 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 05 07:30:08.261 INFO [stderr] Dec 05 07:30:08.273 INFO [stderr] warning: cannot test inner items Dec 05 07:30:08.273 INFO [stderr] --> src/main.rs:593:13 Dec 05 07:30:08.273 INFO [stderr] | Dec 05 07:30:08.273 INFO [stderr] 593 | #[test] Dec 05 07:30:08.273 INFO [stderr] | ^^^^^^^ Dec 05 07:30:08.273 INFO [stderr] | Dec 05 07:30:08.273 INFO [stderr] = note: #[warn(unnameable_test_items)] on by default Dec 05 07:30:08.273 INFO [stderr] Dec 05 07:30:08.273 INFO [stderr] warning: cannot test inner items Dec 05 07:30:08.273 INFO [stderr] --> src/main.rs:599:13 Dec 05 07:30:08.273 INFO [stderr] | Dec 05 07:30:08.273 INFO [stderr] 599 | #[test] Dec 05 07:30:08.273 INFO [stderr] | ^^^^^^^ Dec 05 07:30:08.273 INFO [stderr] Dec 05 07:30:08.273 INFO [stderr] warning: cannot test inner items Dec 05 07:30:08.273 INFO [stderr] --> src/main.rs:610:13 Dec 05 07:30:08.273 INFO [stderr] | Dec 05 07:30:08.273 INFO [stderr] 610 | #[test] Dec 05 07:30:08.273 INFO [stderr] | ^^^^^^^ Dec 05 07:30:08.274 INFO [stderr] Dec 05 07:30:08.639 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.70s Dec 05 07:30:08.641 INFO [stderr] su: No module specific data is present Dec 05 07:30:09.011 INFO running `"docker" "inspect" "ddd64d404f191ad066397df26fe0890e6b3807f22f311c03312088f147f520ec"` Dec 05 07:30:09.192 INFO running `"docker" "rm" "-f" "ddd64d404f191ad066397df26fe0890e6b3807f22f311c03312088f147f520ec"` Dec 05 07:30:09.292 INFO [stdout] ddd64d404f191ad066397df26fe0890e6b3807f22f311c03312088f147f520ec Dec 05 07:30:09.298 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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"` Dec 05 07:30:09.463 INFO [stdout] 9840c936ba73fae6a7b0384c276c40e31dec7036c2bb2a57b4e2117262be88e6 Dec 05 07:30:09.465 INFO running `"docker" "start" "-a" "9840c936ba73fae6a7b0384c276c40e31dec7036c2bb2a57b4e2117262be88e6"` Dec 05 07:30:09.872 INFO [stderr] usermod: no changes Dec 05 07:30:09.899 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s Dec 05 07:30:09.899 INFO [stderr] Running /target/debug/deps/ownership-ad0d3c2a983aad34 Dec 05 07:30:09.903 INFO [stdout] Dec 05 07:30:09.903 INFO [stdout] running 0 tests Dec 05 07:30:09.903 INFO [stdout] Dec 05 07:30:09.903 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Dec 05 07:30:09.903 INFO [stdout] Dec 05 07:30:09.904 INFO [stderr] su: No module specific data is present Dec 05 07:30:10.187 INFO running `"docker" "inspect" "9840c936ba73fae6a7b0384c276c40e31dec7036c2bb2a57b4e2117262be88e6"` Dec 05 07:30:10.304 INFO running `"docker" "rm" "-f" "9840c936ba73fae6a7b0384c276c40e31dec7036c2bb2a57b4e2117262be88e6"` Dec 05 07:30:10.403 INFO [stdout] 9840c936ba73fae6a7b0384c276c40e31dec7036c2bb2a57b4e2117262be88e6