Oct 26 17:14:45.504 INFO checking yuya373/trpl against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2 Oct 26 17:14:45.504 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-1/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-1/pr-55192-2/master#155510e377ae2a8d8ee0dad1a5f809c9062a5526:/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 +155510e377ae2a8d8ee0dad1a5f809c9062a5526-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 26 17:14:46.040 INFO blam! dda9cec9f3676555c0e075691e3bdc330395c83e66d156aaa35f238c78e9a536 Oct 26 17:14:46.040 INFO running `"docker" "start" "-a" "dda9cec9f3676555c0e075691e3bdc330395c83e66d156aaa35f238c78e9a536"` Oct 26 17:14:48.241 INFO kablam! usermod: no changes Oct 26 17:14:48.311 INFO kablam! Checking chapter7 v0.1.0 (/source/chapter7) Oct 26 17:14:48.311 INFO kablam! Checking chapter8 v0.1.0 (/source/chapter8) Oct 26 17:14:48.311 INFO kablam! Checking chapter10 v0.1.0 (/source/chapter10) Oct 26 17:14:48.311 INFO kablam! Checking chapter5 v0.1.0 (/source/chapter5) Oct 26 17:14:48.311 INFO kablam! Checking chapter6 v0.1.0 (/source/chapter6) Oct 26 17:14:48.311 INFO kablam! Checking chapter9 v0.1.0 (/source/chapter9) Oct 26 17:14:49.095 INFO kablam! warning: field is never used: `part` Oct 26 17:14:49.095 INFO kablam! --> chapter10/src/main.rs:5:5 Oct 26 17:14:49.095 INFO kablam! | Oct 26 17:14:49.095 INFO kablam! 5 | part: &'a str, Oct 26 17:14:49.095 INFO kablam! | ^^^^^^^^^^^^^ Oct 26 17:14:49.095 INFO kablam! | Oct 26 17:14:49.095 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 17:14:49.095 INFO kablam! Oct 26 17:14:49.095 INFO kablam! warning: method is never used: `announce_and_return_part` Oct 26 17:14:49.095 INFO kablam! --> chapter10/src/main.rs:15:5 Oct 26 17:14:49.095 INFO kablam! | Oct 26 17:14:49.095 INFO kablam! 15 | fn announce_and_return_part(&self, announcement: &str) -> &str { Oct 26 17:14:49.095 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.095 INFO kablam! Oct 26 17:14:49.158 INFO kablam! Checking chapter4 v0.1.0 (/source/chapter4) Oct 26 17:14:49.355 INFO kablam! warning: unused variable: `user2` Oct 26 17:14:49.355 INFO kablam! --> chapter5/src/main.rs:12:9 Oct 26 17:14:49.355 INFO kablam! | Oct 26 17:14:49.355 INFO kablam! 12 | let user2 = User { Oct 26 17:14:49.355 INFO kablam! | ^^^^^ help: consider using `_user2` instead Oct 26 17:14:49.371 INFO kablam! | Oct 26 17:14:49.372 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 26 17:14:49.372 INFO kablam! Oct 26 17:14:49.372 INFO kablam! warning: unused variable: `black` Oct 26 17:14:49.372 INFO kablam! --> chapter5/src/main.rs:21:9 Oct 26 17:14:49.373 INFO kablam! | Oct 26 17:14:49.373 INFO kablam! 21 | let black = Color(0, 0, 0); Oct 26 17:14:49.373 INFO kablam! | ^^^^^ help: consider using `_black` instead Oct 26 17:14:49.373 INFO kablam! Oct 26 17:14:49.403 INFO kablam! warning: unused variable: `user2` Oct 26 17:14:49.403 INFO kablam! --> chapter5/src/main.rs:12:9 Oct 26 17:14:49.403 INFO kablam! | Oct 26 17:14:49.404 INFO kablam! 12 | let user2 = User { Oct 26 17:14:49.404 INFO kablam! | ^^^^^ help: consider using `_user2` instead Oct 26 17:14:49.404 INFO kablam! | Oct 26 17:14:49.404 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 26 17:14:49.404 INFO kablam! Oct 26 17:14:49.405 INFO kablam! warning: unused variable: `black` Oct 26 17:14:49.405 INFO kablam! --> chapter5/src/main.rs:21:9 Oct 26 17:14:49.405 INFO kablam! | Oct 26 17:14:49.405 INFO kablam! 21 | let black = Color(0, 0, 0); Oct 26 17:14:49.405 INFO kablam! | ^^^^^ help: consider using `_black` instead Oct 26 17:14:49.406 INFO kablam! Oct 26 17:14:49.451 INFO kablam! warning: field is never used: `sign_in_count` Oct 26 17:14:49.451 INFO kablam! --> chapter5/src/main.rs:53:5 Oct 26 17:14:49.451 INFO kablam! | Oct 26 17:14:49.452 INFO kablam! 53 | sign_in_count: u64, Oct 26 17:14:49.452 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.463 INFO kablam! | Oct 26 17:14:49.464 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 17:14:49.464 INFO kablam! Oct 26 17:14:49.464 INFO kablam! warning: field is never used: `active` Oct 26 17:14:49.464 INFO kablam! --> chapter5/src/main.rs:54:5 Oct 26 17:14:49.464 INFO kablam! | Oct 26 17:14:49.465 INFO kablam! 54 | active: bool, Oct 26 17:14:49.465 INFO kablam! | ^^^^^^^^^^^^ Oct 26 17:14:49.465 INFO kablam! Oct 26 17:14:49.465 INFO kablam! warning: method is never used: `new` Oct 26 17:14:49.465 INFO kablam! --> chapter5/src/main.rs:67:5 Oct 26 17:14:49.466 INFO kablam! | Oct 26 17:14:49.466 INFO kablam! 67 | fn new(email: String, username: String) -> User { Oct 26 17:14:49.466 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.466 INFO kablam! Oct 26 17:14:49.466 INFO kablam! warning: method is never used: `square` Oct 26 17:14:49.467 INFO kablam! --> chapter5/src/main.rs:97:5 Oct 26 17:14:49.467 INFO kablam! | Oct 26 17:14:49.467 INFO kablam! 97 | fn square(size: u32) -> Rectangle { Oct 26 17:14:49.467 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.467 INFO kablam! Oct 26 17:14:49.468 INFO kablam! warning: method is never used: `widen` Oct 26 17:14:49.468 INFO kablam! --> chapter5/src/main.rs:105:5 Oct 26 17:14:49.468 INFO kablam! | Oct 26 17:14:49.468 INFO kablam! 105 | fn widen(&mut self, n: u32) { Oct 26 17:14:49.468 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.469 INFO kablam! Oct 26 17:14:49.469 INFO kablam! warning: method is never used: `takes_ownership` Oct 26 17:14:49.469 INFO kablam! --> chapter5/src/main.rs:109:5 Oct 26 17:14:49.469 INFO kablam! | Oct 26 17:14:49.469 INFO kablam! 109 | fn takes_ownership(self) -> Rectangle { Oct 26 17:14:49.470 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.470 INFO kablam! Oct 26 17:14:49.470 INFO kablam! warning: method is never used: `transform` Oct 26 17:14:49.470 INFO kablam! --> chapter5/src/main.rs:113:5 Oct 26 17:14:49.470 INFO kablam! | Oct 26 17:14:49.470 INFO kablam! 113 | fn transform(self, w: u32, h: u32) -> Rectangle { Oct 26 17:14:49.471 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.471 INFO kablam! Oct 26 17:14:49.493 INFO kablam! warning: field is never used: `sign_in_count` Oct 26 17:14:49.493 INFO kablam! --> chapter5/src/main.rs:53:5 Oct 26 17:14:49.493 INFO kablam! | Oct 26 17:14:49.493 INFO kablam! 53 | sign_in_count: u64, Oct 26 17:14:49.493 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.494 INFO kablam! | Oct 26 17:14:49.494 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 17:14:49.494 INFO kablam! Oct 26 17:14:49.494 INFO kablam! warning: field is never used: `active` Oct 26 17:14:49.494 INFO kablam! --> chapter5/src/main.rs:54:5 Oct 26 17:14:49.495 INFO kablam! | Oct 26 17:14:49.495 INFO kablam! 54 | active: bool, Oct 26 17:14:49.495 INFO kablam! | ^^^^^^^^^^^^ Oct 26 17:14:49.495 INFO kablam! Oct 26 17:14:49.495 INFO kablam! warning: method is never used: `new` Oct 26 17:14:49.496 INFO kablam! --> chapter5/src/main.rs:67:5 Oct 26 17:14:49.496 INFO kablam! | Oct 26 17:14:49.496 INFO kablam! 67 | fn new(email: String, username: String) -> User { Oct 26 17:14:49.496 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.496 INFO kablam! Oct 26 17:14:49.497 INFO kablam! warning: method is never used: `square` Oct 26 17:14:49.497 INFO kablam! --> chapter5/src/main.rs:97:5 Oct 26 17:14:49.497 INFO kablam! | Oct 26 17:14:49.497 INFO kablam! 97 | fn square(size: u32) -> Rectangle { Oct 26 17:14:49.497 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.498 INFO kablam! Oct 26 17:14:49.498 INFO kablam! warning: method is never used: `widen` Oct 26 17:14:49.498 INFO kablam! --> chapter5/src/main.rs:105:5 Oct 26 17:14:49.498 INFO kablam! | Oct 26 17:14:49.498 INFO kablam! 105 | fn widen(&mut self, n: u32) { Oct 26 17:14:49.503 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.503 INFO kablam! Oct 26 17:14:49.503 INFO kablam! warning: method is never used: `takes_ownership` Oct 26 17:14:49.503 INFO kablam! --> chapter5/src/main.rs:109:5 Oct 26 17:14:49.503 INFO kablam! | Oct 26 17:14:49.504 INFO kablam! 109 | fn takes_ownership(self) -> Rectangle { Oct 26 17:14:49.504 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.504 INFO kablam! Oct 26 17:14:49.504 INFO kablam! warning: method is never used: `transform` Oct 26 17:14:49.504 INFO kablam! --> chapter5/src/main.rs:113:5 Oct 26 17:14:49.505 INFO kablam! | Oct 26 17:14:49.505 INFO kablam! 113 | fn transform(self, w: u32, h: u32) -> Rectangle { Oct 26 17:14:49.505 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.505 INFO kablam! Oct 26 17:14:49.522 INFO kablam! warning: unused variable: `some_u8_value` Oct 26 17:14:49.522 INFO kablam! --> chapter6/src/main.rs:29:9 Oct 26 17:14:49.522 INFO kablam! | Oct 26 17:14:49.522 INFO kablam! 29 | let some_u8_value = Some(0u8); Oct 26 17:14:49.522 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead Oct 26 17:14:49.522 INFO kablam! | Oct 26 17:14:49.522 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 26 17:14:49.522 INFO kablam! Oct 26 17:14:49.621 INFO kablam! warning: variant is never constructed: `ChangeColor` Oct 26 17:14:49.622 INFO kablam! --> chapter6/src/main.rs:49:5 Oct 26 17:14:49.622 INFO kablam! | Oct 26 17:14:49.622 INFO kablam! 49 | ChangeColor(i32, i32, i32), Oct 26 17:14:49.622 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:49.622 INFO kablam! | Oct 26 17:14:49.623 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 17:14:49.623 INFO kablam! Oct 26 17:14:49.623 INFO kablam! warning: variant is never constructed: `Alabama` Oct 26 17:14:49.623 INFO kablam! --> chapter6/src/main.rs:59:5 Oct 26 17:14:49.624 INFO kablam! | Oct 26 17:14:49.624 INFO kablam! 59 | Alabama, Oct 26 17:14:49.624 INFO kablam! | ^^^^^^^ Oct 26 17:14:49.624 INFO kablam! Oct 26 17:14:49.625 INFO kablam! warning: variant is never constructed: `Nickel` Oct 26 17:14:49.625 INFO kablam! --> chapter6/src/main.rs:65:5 Oct 26 17:14:49.625 INFO kablam! | Oct 26 17:14:49.625 INFO kablam! 65 | Nickel, Oct 26 17:14:49.626 INFO kablam! | ^^^^^^ Oct 26 17:14:49.627 INFO kablam! Oct 26 17:14:49.627 INFO kablam! warning: variant is never constructed: `Dime` Oct 26 17:14:49.627 INFO kablam! --> chapter6/src/main.rs:66:5 Oct 26 17:14:49.627 INFO kablam! | Oct 26 17:14:49.627 INFO kablam! 66 | Dime, Oct 26 17:14:49.628 INFO kablam! | ^^^^ Oct 26 17:14:49.628 INFO kablam! Oct 26 17:14:50.203 INFO kablam! warning: variable does not need to be mutable Oct 26 17:14:50.203 INFO kablam! --> chapter8/src/main.rs:26:9 Oct 26 17:14:50.203 INFO kablam! | Oct 26 17:14:50.203 INFO kablam! 26 | let mut v = vec![1, 2, 3, 4, 5]; Oct 26 17:14:50.203 INFO kablam! | ----^ Oct 26 17:14:50.203 INFO kablam! | | Oct 26 17:14:50.203 INFO kablam! | help: remove this `mut` Oct 26 17:14:50.227 INFO kablam! | Oct 26 17:14:50.228 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 26 17:14:50.228 INFO kablam! Oct 26 17:14:50.235 INFO kablam! warning: variable does not need to be mutable Oct 26 17:14:50.235 INFO kablam! --> chapter8/src/main.rs:26:9 Oct 26 17:14:50.236 INFO kablam! | Oct 26 17:14:50.236 INFO kablam! 26 | let mut v = vec![1, 2, 3, 4, 5]; Oct 26 17:14:50.236 INFO kablam! | ----^ Oct 26 17:14:50.237 INFO kablam! | | Oct 26 17:14:50.237 INFO kablam! | help: remove this `mut` Oct 26 17:14:50.237 INFO kablam! | Oct 26 17:14:50.238 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 26 17:14:50.238 INFO kablam! Oct 26 17:14:50.319 INFO kablam! warning: unused variable: `some_u8_value` Oct 26 17:14:50.319 INFO kablam! --> chapter6/src/main.rs:29:9 Oct 26 17:14:50.320 INFO kablam! | Oct 26 17:14:50.320 INFO kablam! 29 | let some_u8_value = Some(0u8); Oct 26 17:14:50.320 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead Oct 26 17:14:50.321 INFO kablam! | Oct 26 17:14:50.321 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 26 17:14:50.321 INFO kablam! Oct 26 17:14:50.367 INFO kablam! warning: field is never used: `part` Oct 26 17:14:50.367 INFO kablam! --> chapter10/src/main.rs:5:5 Oct 26 17:14:50.368 INFO kablam! | Oct 26 17:14:50.368 INFO kablam! 5 | part: &'a str, Oct 26 17:14:50.368 INFO kablam! | ^^^^^^^^^^^^^ Oct 26 17:14:50.395 INFO kablam! warning: unused variable: `s1` Oct 26 17:14:50.395 INFO kablam! --> chapter4/src/main.rs:75:9 Oct 26 17:14:50.396 INFO kablam! | Oct 26 17:14:50.396 INFO kablam! 75 | let s1 = &mut s; Oct 26 17:14:50.396 INFO kablam! | ^^ help: consider using `_s1` instead Oct 26 17:14:50.397 INFO kablam! | Oct 26 17:14:50.397 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 26 17:14:50.397 INFO kablam! Oct 26 17:14:50.398 INFO kablam! warning: unused variable: `r1` Oct 26 17:14:50.398 INFO kablam! --> chapter4/src/main.rs:86:13 Oct 26 17:14:50.398 INFO kablam! | Oct 26 17:14:50.399 INFO kablam! 86 | let r1 = &mut s; Oct 26 17:14:50.399 INFO kablam! | ^^ help: consider using `_r1` instead Oct 26 17:14:50.399 INFO kablam! Oct 26 17:14:50.399 INFO kablam! warning: unused variable: `r2` Oct 26 17:14:50.400 INFO kablam! --> chapter4/src/main.rs:88:9 Oct 26 17:14:50.400 INFO kablam! | Oct 26 17:14:50.400 INFO kablam! 88 | let r2 = &mut s; Oct 26 17:14:50.400 INFO kablam! | ^^ help: consider using `_r2` instead Oct 26 17:14:50.401 INFO kablam! Oct 26 17:14:50.401 INFO kablam! warning: unused variable: `r1` Oct 26 17:14:50.401 INFO kablam! --> chapter4/src/main.rs:92:9 Oct 26 17:14:50.402 INFO kablam! | Oct 26 17:14:50.402 INFO kablam! 92 | let r1 = &s; Oct 26 17:14:50.402 INFO kablam! | ^^ help: consider using `_r1` instead Oct 26 17:14:50.402 INFO kablam! Oct 26 17:14:50.403 INFO kablam! warning: unused variable: `r2` Oct 26 17:14:50.403 INFO kablam! --> chapter4/src/main.rs:94:9 Oct 26 17:14:50.403 INFO kablam! | Oct 26 17:14:50.404 INFO kablam! 94 | let r2 = &s; Oct 26 17:14:50.404 INFO kablam! | ^^ help: consider using `_r2` instead Oct 26 17:14:50.404 INFO kablam! Oct 26 17:14:50.405 INFO kablam! | Oct 26 17:14:50.405 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 17:14:50.405 INFO kablam! Oct 26 17:14:50.405 INFO kablam! warning: method is never used: `announce_and_return_part` Oct 26 17:14:50.406 INFO kablam! --> chapter10/src/main.rs:15:5 Oct 26 17:14:50.406 INFO kablam! | Oct 26 17:14:50.406 INFO kablam! 15 | fn announce_and_return_part(&self, announcement: &str) -> &str { Oct 26 17:14:50.407 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:50.407 INFO kablam! Oct 26 17:14:50.447 INFO kablam! warning: variant is never constructed: `ChangeColor` Oct 26 17:14:50.447 INFO kablam! --> chapter6/src/main.rs:49:5 Oct 26 17:14:50.448 INFO kablam! | Oct 26 17:14:50.448 INFO kablam! 49 | ChangeColor(i32, i32, i32), Oct 26 17:14:50.448 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:50.449 INFO kablam! | Oct 26 17:14:50.449 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 17:14:50.449 INFO kablam! Oct 26 17:14:50.450 INFO kablam! warning: variant is never constructed: `Alabama` Oct 26 17:14:50.450 INFO kablam! --> chapter6/src/main.rs:59:5 Oct 26 17:14:50.450 INFO kablam! | Oct 26 17:14:50.450 INFO kablam! 59 | Alabama, Oct 26 17:14:50.451 INFO kablam! | ^^^^^^^ Oct 26 17:14:50.451 INFO kablam! Oct 26 17:14:50.451 INFO kablam! warning: variant is never constructed: `Nickel` Oct 26 17:14:50.452 INFO kablam! --> chapter6/src/main.rs:65:5 Oct 26 17:14:50.452 INFO kablam! | Oct 26 17:14:50.452 INFO kablam! 65 | Nickel, Oct 26 17:14:50.453 INFO kablam! | ^^^^^^ Oct 26 17:14:50.453 INFO kablam! Oct 26 17:14:50.453 INFO kablam! warning: variant is never constructed: `Dime` Oct 26 17:14:50.454 INFO kablam! --> chapter6/src/main.rs:66:5 Oct 26 17:14:50.454 INFO kablam! | Oct 26 17:14:50.454 INFO kablam! 66 | Dime, Oct 26 17:14:50.455 INFO kablam! | ^^^^ Oct 26 17:14:50.455 INFO kablam! Oct 26 17:14:50.491 INFO kablam! warning: variable does not need to be mutable Oct 26 17:14:50.491 INFO kablam! --> chapter4/src/main.rs:90:9 Oct 26 17:14:50.492 INFO kablam! | Oct 26 17:14:50.492 INFO kablam! 90 | let mut s = String::from("hello"); Oct 26 17:14:50.492 INFO kablam! | ----^ Oct 26 17:14:50.493 INFO kablam! | | Oct 26 17:14:50.493 INFO kablam! | help: remove this `mut` Oct 26 17:14:50.493 INFO kablam! | Oct 26 17:14:50.494 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 26 17:14:50.494 INFO kablam! Oct 26 17:14:50.494 INFO kablam! warning: variable does not need to be mutable Oct 26 17:14:50.495 INFO kablam! --> chapter4/src/main.rs:108:9 Oct 26 17:14:50.495 INFO kablam! | Oct 26 17:14:50.495 INFO kablam! 108 | let mut s = String::from("hello world"); Oct 26 17:14:50.496 INFO kablam! | ----^ Oct 26 17:14:50.496 INFO kablam! | | Oct 26 17:14:50.496 INFO kablam! | help: remove this `mut` Oct 26 17:14:50.497 INFO kablam! Oct 26 17:14:50.511 INFO kablam! warning: unused variable: `s1` Oct 26 17:14:50.511 INFO kablam! --> chapter4/src/main.rs:75:9 Oct 26 17:14:50.512 INFO kablam! | Oct 26 17:14:50.512 INFO kablam! 75 | let s1 = &mut s; Oct 26 17:14:50.512 INFO kablam! | ^^ help: consider using `_s1` instead Oct 26 17:14:50.519 INFO kablam! | Oct 26 17:14:50.519 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 26 17:14:50.519 INFO kablam! Oct 26 17:14:50.520 INFO kablam! warning: unused variable: `r1` Oct 26 17:14:50.520 INFO kablam! --> chapter4/src/main.rs:86:13 Oct 26 17:14:50.520 INFO kablam! | Oct 26 17:14:50.521 INFO kablam! 86 | let r1 = &mut s; Oct 26 17:14:50.521 INFO kablam! | ^^ help: consider using `_r1` instead Oct 26 17:14:50.521 INFO kablam! Oct 26 17:14:50.522 INFO kablam! warning: unused variable: `r2` Oct 26 17:14:50.522 INFO kablam! --> chapter4/src/main.rs:88:9 Oct 26 17:14:50.522 INFO kablam! | Oct 26 17:14:50.523 INFO kablam! 88 | let r2 = &mut s; Oct 26 17:14:50.523 INFO kablam! | ^^ help: consider using `_r2` instead Oct 26 17:14:50.523 INFO kablam! Oct 26 17:14:50.524 INFO kablam! warning: unused variable: `r1` Oct 26 17:14:50.524 INFO kablam! --> chapter4/src/main.rs:92:9 Oct 26 17:14:50.524 INFO kablam! | Oct 26 17:14:50.525 INFO kablam! 92 | let r1 = &s; Oct 26 17:14:50.525 INFO kablam! | ^^ help: consider using `_r1` instead Oct 26 17:14:50.525 INFO kablam! Oct 26 17:14:50.526 INFO kablam! warning: unused variable: `r2` Oct 26 17:14:50.526 INFO kablam! --> chapter4/src/main.rs:94:9 Oct 26 17:14:50.526 INFO kablam! | Oct 26 17:14:50.527 INFO kablam! 94 | let r2 = &s; Oct 26 17:14:50.527 INFO kablam! | ^^ help: consider using `_r2` instead Oct 26 17:14:50.527 INFO kablam! Oct 26 17:14:50.527 INFO kablam! warning: function is never used: `no_dangle` Oct 26 17:14:50.528 INFO kablam! --> chapter4/src/main.rs:168:1 Oct 26 17:14:50.528 INFO kablam! | Oct 26 17:14:50.528 INFO kablam! 168 | fn no_dangle() -> String { Oct 26 17:14:50.529 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:50.529 INFO kablam! | Oct 26 17:14:50.529 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 17:14:50.530 INFO kablam! Oct 26 17:14:50.559 INFO kablam! warning: variable does not need to be mutable Oct 26 17:14:50.559 INFO kablam! --> chapter4/src/main.rs:90:9 Oct 26 17:14:50.560 INFO kablam! | Oct 26 17:14:50.560 INFO kablam! 90 | let mut s = String::from("hello"); Oct 26 17:14:50.560 INFO kablam! | ----^ Oct 26 17:14:50.561 INFO kablam! | | Oct 26 17:14:50.561 INFO kablam! | help: remove this `mut` Oct 26 17:14:50.561 INFO kablam! | Oct 26 17:14:50.562 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 26 17:14:50.562 INFO kablam! Oct 26 17:14:50.562 INFO kablam! warning: variable does not need to be mutable Oct 26 17:14:50.563 INFO kablam! --> chapter4/src/main.rs:108:9 Oct 26 17:14:50.563 INFO kablam! | Oct 26 17:14:50.563 INFO kablam! 108 | let mut s = String::from("hello world"); Oct 26 17:14:50.564 INFO kablam! | ----^ Oct 26 17:14:50.564 INFO kablam! | | Oct 26 17:14:50.564 INFO kablam! | help: remove this `mut` Oct 26 17:14:50.564 INFO kablam! Oct 26 17:14:50.587 INFO kablam! warning: function is never used: `no_dangle` Oct 26 17:14:50.587 INFO kablam! --> chapter4/src/main.rs:168:1 Oct 26 17:14:50.588 INFO kablam! | Oct 26 17:14:50.588 INFO kablam! 168 | fn no_dangle() -> String { Oct 26 17:14:50.588 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Oct 26 17:14:50.589 INFO kablam! | Oct 26 17:14:50.589 INFO kablam! = note: #[warn(dead_code)] on by default Oct 26 17:14:50.589 INFO kablam! Oct 26 17:14:50.995 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.73s Oct 26 17:14:51.004 INFO kablam! su: No module specific data is present Oct 26 17:14:52.243 INFO running `"docker" "rm" "-f" "dda9cec9f3676555c0e075691e3bdc330395c83e66d156aaa35f238c78e9a536"` Oct 26 17:14:52.571 INFO blam! dda9cec9f3676555c0e075691e3bdc330395c83e66d156aaa35f238c78e9a536