Oct 14 13:07:31.952 INFO testing lucke84/playing_around_with_rust against try#40d4795669493f1965de7c44029c69552134fe1f for rustdoc-test-static-cling-1 Oct 14 13:07:31.952 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-3/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-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"` Oct 14 13:07:32.352 INFO blam! 5762ecf459c645a466eef5231b61463204c931160c0d86acfcaf4a414e81e85b Oct 14 13:07:32.354 INFO running `"docker" "start" "-a" "5762ecf459c645a466eef5231b61463204c931160c0d86acfcaf4a414e81e85b"` Oct 14 13:07:33.878 INFO kablam! usermod: no changes Oct 14 13:07:33.961 INFO kablam! Compiling playing_around_with_rust v0.0.1 (/source) Oct 14 13:07:34.266 INFO kablam! warning: unnecessary parentheses around assigned value Oct 14 13:07:34.266 INFO kablam! --> src/main.rs:37:13 Oct 14 13:07:34.267 INFO kablam! | Oct 14 13:07:34.267 INFO kablam! 37 | let j = (i = 6); // the value of an assignment is an empty tuple: so j has the value (), not 6 Oct 14 13:07:34.267 INFO kablam! | ^^^^^^^ help: remove these parentheses Oct 14 13:07:34.267 INFO kablam! | Oct 14 13:07:34.268 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 14 13:07:34.268 INFO kablam! Oct 14 13:07:34.299 INFO kablam! warning: unreachable expression Oct 14 13:07:34.300 INFO kablam! --> src/main.rs:137:5 Oct 14 13:07:34.300 INFO kablam! | Oct 14 13:07:34.300 INFO kablam! 137 | x // never executed Oct 14 13:07:34.301 INFO kablam! | ^ Oct 14 13:07:34.301 INFO kablam! | Oct 14 13:07:34.301 INFO kablam! = note: #[warn(unreachable_code)] on by default Oct 14 13:07:34.301 INFO kablam! Oct 14 13:07:34.305 INFO kablam! warning: unused variable: `a` Oct 14 13:07:34.305 INFO kablam! --> src/main.rs:7:9 Oct 14 13:07:34.305 INFO kablam! | Oct 14 13:07:34.305 INFO kablam! 7 | let a = 1; // type i32 is infered Oct 14 13:07:34.305 INFO kablam! | ^ help: consider using `_a` instead Oct 14 13:07:34.305 INFO kablam! | Oct 14 13:07:34.305 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 14 13:07:34.306 INFO kablam! Oct 14 13:07:34.306 INFO kablam! warning: unused variable: `b` Oct 14 13:07:34.306 INFO kablam! --> src/main.rs:8:9 Oct 14 13:07:34.306 INFO kablam! | Oct 14 13:07:34.306 INFO kablam! 8 | let b: i32 = 2; // type i32 is explicitly declared Oct 14 13:07:34.306 INFO kablam! | ^ help: consider using `_b` instead Oct 14 13:07:34.306 INFO kablam! Oct 14 13:07:34.307 INFO kablam! warning: unused variable: `c` Oct 14 13:07:34.307 INFO kablam! --> src/main.rs:10:10 Oct 14 13:07:34.307 INFO kablam! | Oct 14 13:07:34.307 INFO kablam! 10 | let (c, d) = (3, 4); // variable bindings of multiple vars at the same time Oct 14 13:07:34.307 INFO kablam! | ^ help: consider using `_c` instead Oct 14 13:07:34.307 INFO kablam! Oct 14 13:07:34.307 INFO kablam! warning: unused variable: `d` Oct 14 13:07:34.307 INFO kablam! --> src/main.rs:10:13 Oct 14 13:07:34.307 INFO kablam! | Oct 14 13:07:34.307 INFO kablam! 10 | let (c, d) = (3, 4); // variable bindings of multiple vars at the same time Oct 14 13:07:34.307 INFO kablam! | ^ help: consider using `_d` instead Oct 14 13:07:34.307 INFO kablam! Oct 14 13:07:34.310 INFO kablam! warning: unused variable: `e` Oct 14 13:07:34.310 INFO kablam! --> src/main.rs:12:9 Oct 14 13:07:34.310 INFO kablam! | Oct 14 13:07:34.310 INFO kablam! 12 | let e: i32; Oct 14 13:07:34.310 INFO kablam! | ^ help: consider using `_e` instead Oct 14 13:07:34.310 INFO kablam! Oct 14 13:07:34.310 INFO kablam! warning: variable `f` is assigned to, but never used Oct 14 13:07:34.311 INFO kablam! --> src/main.rs:18:13 Oct 14 13:07:34.311 INFO kablam! | Oct 14 13:07:34.311 INFO kablam! 18 | let mut f = 5; // make variable mutable Oct 14 13:07:34.311 INFO kablam! | ^ Oct 14 13:07:34.311 INFO kablam! | Oct 14 13:07:34.311 INFO kablam! = note: consider using `_f` instead Oct 14 13:07:34.311 INFO kablam! Oct 14 13:07:34.311 INFO kablam! warning: value assigned to `f` is never read Oct 14 13:07:34.311 INFO kablam! --> src/main.rs:19:5 Oct 14 13:07:34.311 INFO kablam! | Oct 14 13:07:34.311 INFO kablam! 19 | f = 6; // now I can assign a new value (of the same type!) to this variable Oct 14 13:07:34.311 INFO kablam! | ^ Oct 14 13:07:34.311 INFO kablam! | Oct 14 13:07:34.311 INFO kablam! = note: #[warn(unused_assignments)] on by default Oct 14 13:07:34.311 INFO kablam! Oct 14 13:07:34.311 INFO kablam! warning: unused variable: `f` Oct 14 13:07:34.311 INFO kablam! --> src/main.rs:20:9 Oct 14 13:07:34.311 INFO kablam! | Oct 14 13:07:34.311 INFO kablam! 20 | let f = "Look, I am text now"; // shadowing, and changing type! Oct 14 13:07:34.311 INFO kablam! | ^ help: consider using `_f` instead Oct 14 13:07:34.311 INFO kablam! Oct 14 13:07:34.311 INFO kablam! warning: value assigned to `i` is never read Oct 14 13:07:34.311 INFO kablam! --> src/main.rs:36:13 Oct 14 13:07:34.311 INFO kablam! | Oct 14 13:07:34.311 INFO kablam! 36 | let mut i = 5; Oct 14 13:07:34.311 INFO kablam! | ^ Oct 14 13:07:34.317 INFO kablam! Oct 14 13:07:34.317 INFO kablam! warning: unused variable: `j` Oct 14 13:07:34.317 INFO kablam! --> src/main.rs:37:9 Oct 14 13:07:34.317 INFO kablam! | Oct 14 13:07:34.317 INFO kablam! 37 | let j = (i = 6); // the value of an assignment is an empty tuple: so j has the value (), not 6 Oct 14 13:07:34.317 INFO kablam! | ^ help: consider using `_j` instead Oct 14 13:07:34.317 INFO kablam! Oct 14 13:07:34.317 INFO kablam! warning: unused variable: `a_boolean` Oct 14 13:07:34.317 INFO kablam! --> src/main.rs:59:9 Oct 14 13:07:34.317 INFO kablam! | Oct 14 13:07:34.317 INFO kablam! 59 | let a_boolean = true; // with inference Oct 14 13:07:34.317 INFO kablam! | ^^^^^^^^^ help: consider using `_a_boolean` instead Oct 14 13:07:34.317 INFO kablam! Oct 14 13:07:34.317 INFO kablam! warning: unused variable: `another_boolean` Oct 14 13:07:34.317 INFO kablam! --> src/main.rs:60:9 Oct 14 13:07:34.317 INFO kablam! | Oct 14 13:07:34.317 INFO kablam! 60 | let another_boolean: bool = false; // without inference Oct 14 13:07:34.317 INFO kablam! | ^^^^^^^^^^^^^^^ help: consider using `_another_boolean` instead Oct 14 13:07:34.317 INFO kablam! Oct 14 13:07:34.317 INFO kablam! warning: unused variable: `this_is_a_char` Oct 14 13:07:34.317 INFO kablam! --> src/main.rs:63:9 Oct 14 13:07:34.317 INFO kablam! | Oct 14 13:07:34.317 INFO kablam! 63 | let this_is_a_char = 'x'; // delimited by a single quote/tick Oct 14 13:07:34.317 INFO kablam! | ^^^^^^^^^^^^^^ help: consider using `_this_is_a_char` instead Oct 14 13:07:34.317 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `two_hearts_char` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:64:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 64 | let two_hearts_char = '💕'; // any unicode char (due to the fact that they are UTF-32, all chars are 4 bytes instead of just 1) Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^^^^^^^^^ help: consider using `_two_hearts_char` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `an_integer` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:67:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 67 | let an_integer = 42; // default with inference (type i32 - The 32-bit signed integer type) Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^^^^ help: consider using `_an_integer` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `a_float` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:68:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 68 | let a_float = 1.0; // default with inference (type f64 - The 64-bit floating point type) Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^ help: consider using `_a_float` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `complete_slice` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:99:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 99 | let complete_slice = &mutable_array[..]; // [5, 7, 3, 23, 11] Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^^^^^^^^ help: consider using `_complete_slice` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `partial_slice` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:100:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 100 | let partial_slice = &mutable_array[1..3]; // [7, 4] - from item at index 1 to item at index 3 (excluded) Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_partial_slice` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `from_item_till_end_slice` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:101:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 101 | let from_item_till_end_slice = &mutable_array[1..]; // [7, 4, 23, 11] Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_from_item_till_end_slice` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `from_beginning_till_item_slice` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:102:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 102 | let from_beginning_till_item_slice = &mutable_array[..2]; // [5, 7] Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_from_beginning_till_item_slice` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `tuple_one` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:106:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 106 | let tuple_one = (1, "one"); Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^^^ help: consider using `_tuple_one` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: value assigned to `tuple_xy` is never read Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:110:13 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 110 | let mut tuple_xy = (0, "zero"); Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^^ Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `tuple_second_item` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:123:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 123 | let tuple_second_item = tuple_xy.1; Oct 14 13:07:34.327 INFO kablam! | ^^^^^^^^^^^^^^^^^ help: consider using `_tuple_second_item` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: unused variable: `x` Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:135:22 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 135 | fn always_return_one(x: i32) -> i32 { Oct 14 13:07:34.327 INFO kablam! | ^ help: consider using `_x` instead Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.327 INFO kablam! warning: variable does not need to be mutable Oct 14 13:07:34.327 INFO kablam! --> src/main.rs:87:9 Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! 87 | let mut mutable_array = [1.5, 2.3, 3.0]; // type [f64; 3] Oct 14 13:07:34.327 INFO kablam! | ----^^^^^^^^^^^^^ Oct 14 13:07:34.327 INFO kablam! | | Oct 14 13:07:34.327 INFO kablam! | help: remove this `mut` Oct 14 13:07:34.327 INFO kablam! | Oct 14 13:07:34.327 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 14 13:07:34.327 INFO kablam! Oct 14 13:07:34.336 INFO kablam! warning: function is never used: `diverges` Oct 14 13:07:34.336 INFO kablam! --> src/main.rs:140:1 Oct 14 13:07:34.336 INFO kablam! | Oct 14 13:07:34.336 INFO kablam! 140 | fn diverges() -> ! { // defines the return type as "diverges" using the bang symbol Oct 14 13:07:34.336 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 14 13:07:34.336 INFO kablam! | Oct 14 13:07:34.336 INFO kablam! = note: #[warn(dead_code)] on by default Oct 14 13:07:34.336 INFO kablam! Oct 14 13:07:34.871 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.94s Oct 14 13:07:34.871 INFO kablam! su: No module specific data is present Oct 14 13:07:36.616 INFO running `"docker" "rm" "-f" "5762ecf459c645a466eef5231b61463204c931160c0d86acfcaf4a414e81e85b"` Oct 14 13:07:37.019 INFO blam! 5762ecf459c645a466eef5231b61463204c931160c0d86acfcaf4a414e81e85b Oct 14 13:07:37.022 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-3/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-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"` Oct 14 13:07:37.588 INFO blam! 17a2c27d0aea67ed084906a1afbedd85c699d3907e4bb5694ade27a5e0e49efd Oct 14 13:07:37.591 INFO running `"docker" "start" "-a" "17a2c27d0aea67ed084906a1afbedd85c699d3907e4bb5694ade27a5e0e49efd"` Oct 14 13:07:39.277 INFO kablam! usermod: no changes Oct 14 13:07:39.311 INFO kablam! Compiling playing_around_with_rust v0.0.1 (/source) Oct 14 13:07:39.595 INFO kablam! warning: unnecessary parentheses around assigned value Oct 14 13:07:39.595 INFO kablam! --> src/main.rs:37:13 Oct 14 13:07:39.595 INFO kablam! | Oct 14 13:07:39.595 INFO kablam! 37 | let j = (i = 6); // the value of an assignment is an empty tuple: so j has the value (), not 6 Oct 14 13:07:39.595 INFO kablam! | ^^^^^^^ help: remove these parentheses Oct 14 13:07:39.595 INFO kablam! | Oct 14 13:07:39.595 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 14 13:07:39.595 INFO kablam! Oct 14 13:07:39.627 INFO kablam! warning: unreachable expression Oct 14 13:07:39.627 INFO kablam! --> src/main.rs:137:5 Oct 14 13:07:39.627 INFO kablam! | Oct 14 13:07:39.627 INFO kablam! 137 | x // never executed Oct 14 13:07:39.627 INFO kablam! | ^ Oct 14 13:07:39.627 INFO kablam! | Oct 14 13:07:39.627 INFO kablam! = note: #[warn(unreachable_code)] on by default Oct 14 13:07:39.627 INFO kablam! Oct 14 13:07:39.627 INFO kablam! warning: unused variable: `a` Oct 14 13:07:39.627 INFO kablam! --> src/main.rs:7:9 Oct 14 13:07:39.627 INFO kablam! | Oct 14 13:07:39.627 INFO kablam! 7 | let a = 1; // type i32 is infered Oct 14 13:07:39.627 INFO kablam! | ^ help: consider using `_a` instead Oct 14 13:07:39.627 INFO kablam! | Oct 14 13:07:39.627 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 14 13:07:39.627 INFO kablam! Oct 14 13:07:39.627 INFO kablam! warning: unused variable: `b` Oct 14 13:07:39.627 INFO kablam! --> src/main.rs:8:9 Oct 14 13:07:39.627 INFO kablam! | Oct 14 13:07:39.627 INFO kablam! 8 | let b: i32 = 2; // type i32 is explicitly declared Oct 14 13:07:39.627 INFO kablam! | ^ help: consider using `_b` instead Oct 14 13:07:39.627 INFO kablam! Oct 14 13:07:39.632 INFO kablam! warning: unused variable: `c` Oct 14 13:07:39.632 INFO kablam! --> src/main.rs:10:10 Oct 14 13:07:39.632 INFO kablam! | Oct 14 13:07:39.632 INFO kablam! 10 | let (c, d) = (3, 4); // variable bindings of multiple vars at the same time Oct 14 13:07:39.632 INFO kablam! | ^ help: consider using `_c` instead Oct 14 13:07:39.632 INFO kablam! Oct 14 13:07:39.632 INFO kablam! warning: unused variable: `d` Oct 14 13:07:39.632 INFO kablam! --> src/main.rs:10:13 Oct 14 13:07:39.632 INFO kablam! | Oct 14 13:07:39.632 INFO kablam! 10 | let (c, d) = (3, 4); // variable bindings of multiple vars at the same time Oct 14 13:07:39.632 INFO kablam! | ^ help: consider using `_d` instead Oct 14 13:07:39.632 INFO kablam! Oct 14 13:07:39.632 INFO kablam! warning: unused variable: `e` Oct 14 13:07:39.632 INFO kablam! --> src/main.rs:12:9 Oct 14 13:07:39.632 INFO kablam! | Oct 14 13:07:39.632 INFO kablam! 12 | let e: i32; Oct 14 13:07:39.632 INFO kablam! | ^ help: consider using `_e` instead Oct 14 13:07:39.632 INFO kablam! Oct 14 13:07:39.632 INFO kablam! warning: variable `f` is assigned to, but never used Oct 14 13:07:39.632 INFO kablam! --> src/main.rs:18:13 Oct 14 13:07:39.632 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 18 | let mut f = 5; // make variable mutable Oct 14 13:07:39.633 INFO kablam! | ^ Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! = note: consider using `_f` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: value assigned to `f` is never read Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:19:5 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 19 | f = 6; // now I can assign a new value (of the same type!) to this variable Oct 14 13:07:39.633 INFO kablam! | ^ Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! = note: #[warn(unused_assignments)] on by default Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `f` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:20:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 20 | let f = "Look, I am text now"; // shadowing, and changing type! Oct 14 13:07:39.633 INFO kablam! | ^ help: consider using `_f` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: value assigned to `i` is never read Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:36:13 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 36 | let mut i = 5; Oct 14 13:07:39.633 INFO kablam! | ^ Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `j` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:37:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 37 | let j = (i = 6); // the value of an assignment is an empty tuple: so j has the value (), not 6 Oct 14 13:07:39.633 INFO kablam! | ^ help: consider using `_j` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `a_boolean` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:59:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 59 | let a_boolean = true; // with inference Oct 14 13:07:39.633 INFO kablam! | ^^^^^^^^^ help: consider using `_a_boolean` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `another_boolean` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:60:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 60 | let another_boolean: bool = false; // without inference Oct 14 13:07:39.633 INFO kablam! | ^^^^^^^^^^^^^^^ help: consider using `_another_boolean` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `this_is_a_char` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:63:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 63 | let this_is_a_char = 'x'; // delimited by a single quote/tick Oct 14 13:07:39.633 INFO kablam! | ^^^^^^^^^^^^^^ help: consider using `_this_is_a_char` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `two_hearts_char` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:64:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 64 | let two_hearts_char = '💕'; // any unicode char (due to the fact that they are UTF-32, all chars are 4 bytes instead of just 1) Oct 14 13:07:39.633 INFO kablam! | ^^^^^^^^^^^^^^^ help: consider using `_two_hearts_char` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `an_integer` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:67:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 67 | let an_integer = 42; // default with inference (type i32 - The 32-bit signed integer type) Oct 14 13:07:39.633 INFO kablam! | ^^^^^^^^^^ help: consider using `_an_integer` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `a_float` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:68:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 68 | let a_float = 1.0; // default with inference (type f64 - The 64-bit floating point type) Oct 14 13:07:39.633 INFO kablam! | ^^^^^^^ help: consider using `_a_float` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `complete_slice` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:99:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 99 | let complete_slice = &mutable_array[..]; // [5, 7, 3, 23, 11] Oct 14 13:07:39.633 INFO kablam! | ^^^^^^^^^^^^^^ help: consider using `_complete_slice` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `partial_slice` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:100:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 100 | let partial_slice = &mutable_array[1..3]; // [7, 4] - from item at index 1 to item at index 3 (excluded) Oct 14 13:07:39.633 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_partial_slice` instead Oct 14 13:07:39.633 INFO kablam! Oct 14 13:07:39.633 INFO kablam! warning: unused variable: `from_item_till_end_slice` Oct 14 13:07:39.633 INFO kablam! --> src/main.rs:101:9 Oct 14 13:07:39.633 INFO kablam! | Oct 14 13:07:39.633 INFO kablam! 101 | let from_item_till_end_slice = &mutable_array[1..]; // [7, 4, 23, 11] Oct 14 13:07:39.634 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_from_item_till_end_slice` instead Oct 14 13:07:39.634 INFO kablam! Oct 14 13:07:39.634 INFO kablam! warning: unused variable: `from_beginning_till_item_slice` Oct 14 13:07:39.634 INFO kablam! --> src/main.rs:102:9 Oct 14 13:07:39.634 INFO kablam! | Oct 14 13:07:39.634 INFO kablam! 102 | let from_beginning_till_item_slice = &mutable_array[..2]; // [5, 7] Oct 14 13:07:39.634 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_from_beginning_till_item_slice` instead Oct 14 13:07:39.634 INFO kablam! Oct 14 13:07:39.634 INFO kablam! warning: unused variable: `tuple_one` Oct 14 13:07:39.634 INFO kablam! --> src/main.rs:106:9 Oct 14 13:07:39.634 INFO kablam! | Oct 14 13:07:39.634 INFO kablam! 106 | let tuple_one = (1, "one"); Oct 14 13:07:39.634 INFO kablam! | ^^^^^^^^^ help: consider using `_tuple_one` instead Oct 14 13:07:39.634 INFO kablam! Oct 14 13:07:39.634 INFO kablam! warning: value assigned to `tuple_xy` is never read Oct 14 13:07:39.634 INFO kablam! --> src/main.rs:110:13 Oct 14 13:07:39.634 INFO kablam! | Oct 14 13:07:39.634 INFO kablam! 110 | let mut tuple_xy = (0, "zero"); Oct 14 13:07:39.634 INFO kablam! | ^^^^^^^^ Oct 14 13:07:39.634 INFO kablam! Oct 14 13:07:39.634 INFO kablam! warning: unused variable: `tuple_second_item` Oct 14 13:07:39.634 INFO kablam! --> src/main.rs:123:9 Oct 14 13:07:39.634 INFO kablam! | Oct 14 13:07:39.634 INFO kablam! 123 | let tuple_second_item = tuple_xy.1; Oct 14 13:07:39.634 INFO kablam! | ^^^^^^^^^^^^^^^^^ help: consider using `_tuple_second_item` instead Oct 14 13:07:39.634 INFO kablam! Oct 14 13:07:39.634 INFO kablam! warning: unused variable: `x` Oct 14 13:07:39.634 INFO kablam! --> src/main.rs:135:22 Oct 14 13:07:39.634 INFO kablam! | Oct 14 13:07:39.634 INFO kablam! 135 | fn always_return_one(x: i32) -> i32 { Oct 14 13:07:39.634 INFO kablam! | ^ help: consider using `_x` instead Oct 14 13:07:39.634 INFO kablam! Oct 14 13:07:39.652 INFO kablam! warning: variable does not need to be mutable Oct 14 13:07:39.652 INFO kablam! --> src/main.rs:87:9 Oct 14 13:07:39.652 INFO kablam! | Oct 14 13:07:39.652 INFO kablam! 87 | let mut mutable_array = [1.5, 2.3, 3.0]; // type [f64; 3] Oct 14 13:07:39.652 INFO kablam! | ----^^^^^^^^^^^^^ Oct 14 13:07:39.652 INFO kablam! | | Oct 14 13:07:39.652 INFO kablam! | help: remove this `mut` Oct 14 13:07:39.652 INFO kablam! | Oct 14 13:07:39.652 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 14 13:07:39.652 INFO kablam! Oct 14 13:07:39.652 INFO kablam! warning: function is never used: `diverges` Oct 14 13:07:39.652 INFO kablam! --> src/main.rs:140:1 Oct 14 13:07:39.652 INFO kablam! | Oct 14 13:07:39.652 INFO kablam! 140 | fn diverges() -> ! { // defines the return type as "diverges" using the bang symbol Oct 14 13:07:39.652 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 14 13:07:39.652 INFO kablam! | Oct 14 13:07:39.652 INFO kablam! = note: #[warn(dead_code)] on by default Oct 14 13:07:39.652 INFO kablam! Oct 14 13:07:40.173 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.88s Oct 14 13:07:40.174 INFO kablam! su: No module specific data is present Oct 14 13:07:41.144 INFO running `"docker" "rm" "-f" "17a2c27d0aea67ed084906a1afbedd85c699d3907e4bb5694ade27a5e0e49efd"` Oct 14 13:07:41.416 INFO blam! 17a2c27d0aea67ed084906a1afbedd85c699d3907e4bb5694ade27a5e0e49efd Oct 14 13:07:41.424 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/rustdoc-test-static-cling-1/worker-3/try#40d4795669493f1965de7c44029c69552134fe1f:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/rustdoc-test-static-cling-1/try#40d4795669493f1965de7c44029c69552134fe1f:/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 +40d4795669493f1965de7c44029c69552134fe1f-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"` Oct 14 13:07:41.899 INFO blam! 1d53d00cc50162cf7398ca8c8ac381c28988b65460465e4feeee3c6555d1abf3 Oct 14 13:07:41.907 INFO running `"docker" "start" "-a" "1d53d00cc50162cf7398ca8c8ac381c28988b65460465e4feeee3c6555d1abf3"` Oct 14 13:07:43.137 INFO kablam! usermod: no changes Oct 14 13:07:43.207 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.01s Oct 14 13:07:43.211 INFO kablam! Running /target/debug/deps/playing_around_with_rust-324968fd4257d596 Oct 14 13:07:43.219 INFO blam! Oct 14 13:07:43.219 INFO blam! running 0 tests Oct 14 13:07:43.219 INFO blam! Oct 14 13:07:43.219 INFO blam! test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out Oct 14 13:07:43.219 INFO blam! Oct 14 13:07:43.221 INFO kablam! su: No module specific data is present Oct 14 13:07:43.863 INFO running `"docker" "rm" "-f" "1d53d00cc50162cf7398ca8c8ac381c28988b65460465e4feeee3c6555d1abf3"` Oct 14 13:07:44.067 INFO blam! 1d53d00cc50162cf7398ca8c8ac381c28988b65460465e4feeee3c6555d1abf3