Sep 03 14:41:36.587 INFO checking yuya373/trpl against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893 Sep 03 14:41:36.587 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets Sep 03 14:41:36.587 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 03 14:41:36.743 INFO blam! 4492a06f3eb025df992255d298a87a5c5e94977efc2af7c09658b02a4e8d4599 Sep 03 14:41:36.745 INFO running `"docker" "start" "-a" "4492a06f3eb025df992255d298a87a5c5e94977efc2af7c09658b02a4e8d4599"` Sep 03 14:41:37.455 INFO kablam! Checking chapter7 v0.1.0 (file:///source/chapter7) Sep 03 14:41:37.455 INFO kablam! Checking chapter8 v0.1.0 (file:///source/chapter8) Sep 03 14:41:37.455 INFO kablam! Checking chapter4 v0.1.0 (file:///source/chapter4) Sep 03 14:41:37.455 INFO kablam! Checking chapter6 v0.1.0 (file:///source/chapter6) Sep 03 14:41:37.456 INFO kablam! Checking chapter9 v0.1.0 (file:///source/chapter9) Sep 03 14:41:37.457 INFO kablam! Checking chapter5 v0.1.0 (file:///source/chapter5) Sep 03 14:41:37.753 INFO kablam! warning: unused variable: `user2` Sep 03 14:41:37.754 INFO kablam! --> chapter5/src/main.rs:12:9 Sep 03 14:41:37.754 INFO kablam! | Sep 03 14:41:37.754 INFO kablam! 12 | let user2 = User { Sep 03 14:41:37.754 INFO kablam! | ^^^^^ help: consider using `_user2` instead Sep 03 14:41:37.758 INFO kablam! | Sep 03 14:41:37.758 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 03 14:41:37.758 INFO kablam! Sep 03 14:41:37.759 INFO kablam! warning: unused variable: `black` Sep 03 14:41:37.759 INFO kablam! --> chapter5/src/main.rs:21:9 Sep 03 14:41:37.759 INFO kablam! | Sep 03 14:41:37.759 INFO kablam! 21 | let black = Color(0, 0, 0); Sep 03 14:41:37.759 INFO kablam! | ^^^^^ help: consider using `_black` instead Sep 03 14:41:37.759 INFO kablam! Sep 03 14:41:37.805 INFO kablam! warning: field is never used: `sign_in_count` Sep 03 14:41:37.805 INFO kablam! --> chapter5/src/main.rs:53:5 Sep 03 14:41:37.805 INFO kablam! | Sep 03 14:41:37.805 INFO kablam! 53 | sign_in_count: u64, Sep 03 14:41:37.805 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Sep 03 14:41:37.805 INFO kablam! | Sep 03 14:41:37.805 INFO kablam! = note: #[warn(dead_code)] on by default Sep 03 14:41:37.808 INFO kablam! Sep 03 14:41:37.808 INFO kablam! warning: field is never used: `active` Sep 03 14:41:37.808 INFO kablam! --> chapter5/src/main.rs:54:5 Sep 03 14:41:37.808 INFO kablam! | Sep 03 14:41:37.808 INFO kablam! 54 | active: bool, Sep 03 14:41:37.808 INFO kablam! | ^^^^^^^^^^^^ Sep 03 14:41:37.808 INFO kablam! Sep 03 14:41:37.808 INFO kablam! warning: method is never used: `new` Sep 03 14:41:37.808 INFO kablam! --> chapter5/src/main.rs:67:5 Sep 03 14:41:37.808 INFO kablam! | Sep 03 14:41:37.808 INFO kablam! 67 | fn new(email: String, username: String) -> User { Sep 03 14:41:37.808 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:37.808 INFO kablam! Sep 03 14:41:37.808 INFO kablam! warning: method is never used: `square` Sep 03 14:41:37.808 INFO kablam! --> chapter5/src/main.rs:97:5 Sep 03 14:41:37.808 INFO kablam! | Sep 03 14:41:37.808 INFO kablam! 97 | fn square(size: u32) -> Rectangle { Sep 03 14:41:37.808 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:37.808 INFO kablam! Sep 03 14:41:37.808 INFO kablam! warning: method is never used: `widen` Sep 03 14:41:37.809 INFO kablam! --> chapter5/src/main.rs:105:5 Sep 03 14:41:37.809 INFO kablam! | Sep 03 14:41:37.809 INFO kablam! 105 | fn widen(&mut self, n: u32) { Sep 03 14:41:37.809 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:37.809 INFO kablam! Sep 03 14:41:37.809 INFO kablam! warning: method is never used: `takes_ownership` Sep 03 14:41:37.809 INFO kablam! --> chapter5/src/main.rs:109:5 Sep 03 14:41:37.809 INFO kablam! | Sep 03 14:41:37.809 INFO kablam! 109 | fn takes_ownership(self) -> Rectangle { Sep 03 14:41:37.809 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:37.809 INFO kablam! Sep 03 14:41:37.809 INFO kablam! warning: method is never used: `transform` Sep 03 14:41:37.809 INFO kablam! --> chapter5/src/main.rs:113:5 Sep 03 14:41:37.809 INFO kablam! | Sep 03 14:41:37.809 INFO kablam! 113 | fn transform(self, w: u32, h: u32) -> Rectangle { Sep 03 14:41:37.809 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:37.809 INFO kablam! Sep 03 14:41:37.814 INFO kablam! warning: unused variable: `some_u8_value` Sep 03 14:41:37.814 INFO kablam! --> chapter6/src/main.rs:29:9 Sep 03 14:41:37.814 INFO kablam! | Sep 03 14:41:37.814 INFO kablam! 29 | let some_u8_value = Some(0u8); Sep 03 14:41:37.814 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead Sep 03 14:41:37.814 INFO kablam! | Sep 03 14:41:37.814 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 03 14:41:37.814 INFO kablam! Sep 03 14:41:37.845 INFO kablam! warning: unused variable: `s1` Sep 03 14:41:37.845 INFO kablam! --> chapter4/src/main.rs:75:9 Sep 03 14:41:37.845 INFO kablam! | Sep 03 14:41:37.845 INFO kablam! 75 | let s1 = &mut s; Sep 03 14:41:37.845 INFO kablam! | ^^ help: consider using `_s1` instead Sep 03 14:41:37.845 INFO kablam! | Sep 03 14:41:37.846 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 03 14:41:37.846 INFO kablam! Sep 03 14:41:37.846 INFO kablam! warning: unused variable: `r1` Sep 03 14:41:37.847 INFO kablam! --> chapter4/src/main.rs:86:13 Sep 03 14:41:37.847 INFO kablam! | Sep 03 14:41:37.847 INFO kablam! 86 | let r1 = &mut s; Sep 03 14:41:37.847 INFO kablam! | ^^ help: consider using `_r1` instead Sep 03 14:41:37.847 INFO kablam! Sep 03 14:41:37.848 INFO kablam! warning: unused variable: `r2` Sep 03 14:41:37.848 INFO kablam! --> chapter4/src/main.rs:88:9 Sep 03 14:41:37.848 INFO kablam! | Sep 03 14:41:37.848 INFO kablam! 88 | let r2 = &mut s; Sep 03 14:41:37.848 INFO kablam! | ^^ help: consider using `_r2` instead Sep 03 14:41:37.848 INFO kablam! Sep 03 14:41:37.849 INFO kablam! warning: unused variable: `r1` Sep 03 14:41:37.849 INFO kablam! --> chapter4/src/main.rs:92:9 Sep 03 14:41:37.849 INFO kablam! | Sep 03 14:41:37.849 INFO kablam! 92 | let r1 = &s; Sep 03 14:41:37.849 INFO kablam! | ^^ help: consider using `_r1` instead Sep 03 14:41:37.849 INFO kablam! Sep 03 14:41:37.850 INFO kablam! warning: unused variable: `r2` Sep 03 14:41:37.850 INFO kablam! --> chapter4/src/main.rs:94:9 Sep 03 14:41:37.850 INFO kablam! | Sep 03 14:41:37.850 INFO kablam! 94 | let r2 = &s; Sep 03 14:41:37.850 INFO kablam! | ^^ help: consider using `_r2` instead Sep 03 14:41:37.851 INFO kablam! Sep 03 14:41:37.882 INFO kablam! warning: variant is never constructed: `ChangeColor` Sep 03 14:41:37.882 INFO kablam! --> chapter6/src/main.rs:49:5 Sep 03 14:41:37.882 INFO kablam! | Sep 03 14:41:37.882 INFO kablam! 49 | ChangeColor(i32, i32, i32), Sep 03 14:41:37.882 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:37.882 INFO kablam! | Sep 03 14:41:37.882 INFO kablam! = note: #[warn(dead_code)] on by default Sep 03 14:41:37.882 INFO kablam! Sep 03 14:41:37.883 INFO kablam! warning: variant is never constructed: `Alabama` Sep 03 14:41:37.883 INFO kablam! --> chapter6/src/main.rs:59:5 Sep 03 14:41:37.883 INFO kablam! | Sep 03 14:41:37.883 INFO kablam! 59 | Alabama, Sep 03 14:41:37.883 INFO kablam! | ^^^^^^^ Sep 03 14:41:37.883 INFO kablam! Sep 03 14:41:37.883 INFO kablam! warning: variant is never constructed: `Nickel` Sep 03 14:41:37.883 INFO kablam! --> chapter6/src/main.rs:65:5 Sep 03 14:41:37.883 INFO kablam! | Sep 03 14:41:37.883 INFO kablam! 65 | Nickel, Sep 03 14:41:37.883 INFO kablam! | ^^^^^^ Sep 03 14:41:37.883 INFO kablam! Sep 03 14:41:37.883 INFO kablam! warning: variant is never constructed: `Dime` Sep 03 14:41:37.884 INFO kablam! --> chapter6/src/main.rs:66:5 Sep 03 14:41:37.884 INFO kablam! | Sep 03 14:41:37.884 INFO kablam! 66 | Dime, Sep 03 14:41:37.884 INFO kablam! | ^^^^ Sep 03 14:41:37.884 INFO kablam! Sep 03 14:41:37.938 INFO kablam! warning: variable does not need to be mutable Sep 03 14:41:37.938 INFO kablam! --> chapter4/src/main.rs:90:9 Sep 03 14:41:37.938 INFO kablam! | Sep 03 14:41:37.938 INFO kablam! 90 | let mut s = String::from("hello"); Sep 03 14:41:37.938 INFO kablam! | ----^ Sep 03 14:41:37.938 INFO kablam! | | Sep 03 14:41:37.938 INFO kablam! | help: remove this `mut` Sep 03 14:41:37.938 INFO kablam! | Sep 03 14:41:37.939 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 03 14:41:37.939 INFO kablam! Sep 03 14:41:37.940 INFO kablam! warning: variable does not need to be mutable Sep 03 14:41:37.940 INFO kablam! --> chapter4/src/main.rs:108:9 Sep 03 14:41:37.940 INFO kablam! | Sep 03 14:41:37.940 INFO kablam! 108 | let mut s = String::from("hello world"); Sep 03 14:41:37.940 INFO kablam! | ----^ Sep 03 14:41:37.940 INFO kablam! | | Sep 03 14:41:37.940 INFO kablam! | help: remove this `mut` Sep 03 14:41:37.940 INFO kablam! Sep 03 14:41:37.943 INFO kablam! Checking chapter10 v0.1.0 (file:///source/chapter10) Sep 03 14:41:37.969 INFO kablam! warning: function is never used: `no_dangle` Sep 03 14:41:37.969 INFO kablam! --> chapter4/src/main.rs:168:1 Sep 03 14:41:37.969 INFO kablam! | Sep 03 14:41:37.969 INFO kablam! 168 | fn no_dangle() -> String { Sep 03 14:41:37.969 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:37.979 INFO kablam! | Sep 03 14:41:37.979 INFO kablam! = note: #[warn(dead_code)] on by default Sep 03 14:41:37.980 INFO kablam! Sep 03 14:41:38.409 INFO kablam! warning: field is never used: `part` Sep 03 14:41:38.409 INFO kablam! --> chapter10/src/main.rs:5:5 Sep 03 14:41:38.409 INFO kablam! | Sep 03 14:41:38.410 INFO kablam! 5 | part: &'a str, Sep 03 14:41:38.410 INFO kablam! | ^^^^^^^^^^^^^ Sep 03 14:41:38.410 INFO kablam! | Sep 03 14:41:38.410 INFO kablam! = note: #[warn(dead_code)] on by default Sep 03 14:41:38.410 INFO kablam! Sep 03 14:41:38.410 INFO kablam! warning: method is never used: `announce_and_return_part` Sep 03 14:41:38.410 INFO kablam! --> chapter10/src/main.rs:15:5 Sep 03 14:41:38.410 INFO kablam! | Sep 03 14:41:38.410 INFO kablam! 15 | fn announce_and_return_part(&self, announcement: &str) -> &str { Sep 03 14:41:38.410 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:38.414 INFO kablam! Sep 03 14:41:38.673 INFO kablam! warning: field is never used: `part` Sep 03 14:41:38.673 INFO kablam! --> chapter10/src/main.rs:5:5 Sep 03 14:41:38.673 INFO kablam! | Sep 03 14:41:38.674 INFO kablam! 5 | part: &'a str, Sep 03 14:41:38.674 INFO kablam! | ^^^^^^^^^^^^^ Sep 03 14:41:38.674 INFO kablam! | Sep 03 14:41:38.674 INFO kablam! = note: #[warn(dead_code)] on by default Sep 03 14:41:38.674 INFO kablam! Sep 03 14:41:38.674 INFO kablam! warning: method is never used: `announce_and_return_part` Sep 03 14:41:38.674 INFO kablam! --> chapter10/src/main.rs:15:5 Sep 03 14:41:38.675 INFO kablam! | Sep 03 14:41:38.675 INFO kablam! 15 | fn announce_and_return_part(&self, announcement: &str) -> &str { Sep 03 14:41:38.675 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:38.675 INFO kablam! Sep 03 14:41:38.685 INFO kablam! warning: unused variable: `user2` Sep 03 14:41:38.685 INFO kablam! --> chapter5/src/main.rs:12:9 Sep 03 14:41:38.685 INFO kablam! | Sep 03 14:41:38.685 INFO kablam! 12 | let user2 = User { Sep 03 14:41:38.685 INFO kablam! | ^^^^^ help: consider using `_user2` instead Sep 03 14:41:38.690 INFO kablam! | Sep 03 14:41:38.691 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 03 14:41:38.691 INFO kablam! Sep 03 14:41:38.692 INFO kablam! warning: unused variable: `black` Sep 03 14:41:38.692 INFO kablam! --> chapter5/src/main.rs:21:9 Sep 03 14:41:38.692 INFO kablam! | Sep 03 14:41:38.692 INFO kablam! 21 | let black = Color(0, 0, 0); Sep 03 14:41:38.692 INFO kablam! | ^^^^^ help: consider using `_black` instead Sep 03 14:41:38.692 INFO kablam! Sep 03 14:41:38.775 INFO kablam! warning: field is never used: `sign_in_count` Sep 03 14:41:38.775 INFO kablam! --> chapter5/src/main.rs:53:5 Sep 03 14:41:38.775 INFO kablam! | Sep 03 14:41:38.775 INFO kablam! 53 | sign_in_count: u64, Sep 03 14:41:38.775 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Sep 03 14:41:38.775 INFO kablam! | Sep 03 14:41:38.776 INFO kablam! = note: #[warn(dead_code)] on by default Sep 03 14:41:38.776 INFO kablam! Sep 03 14:41:38.776 INFO kablam! warning: field is never used: `active` Sep 03 14:41:38.776 INFO kablam! --> chapter5/src/main.rs:54:5 Sep 03 14:41:38.776 INFO kablam! | Sep 03 14:41:38.777 INFO kablam! 54 | active: bool, Sep 03 14:41:38.777 INFO kablam! | ^^^^^^^^^^^^ Sep 03 14:41:38.777 INFO kablam! Sep 03 14:41:38.777 INFO kablam! warning: method is never used: `new` Sep 03 14:41:38.777 INFO kablam! --> chapter5/src/main.rs:67:5 Sep 03 14:41:38.777 INFO kablam! | Sep 03 14:41:38.778 INFO kablam! 67 | fn new(email: String, username: String) -> User { Sep 03 14:41:38.778 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:38.778 INFO kablam! Sep 03 14:41:38.778 INFO kablam! warning: method is never used: `square` Sep 03 14:41:38.778 INFO kablam! --> chapter5/src/main.rs:97:5 Sep 03 14:41:38.779 INFO kablam! | Sep 03 14:41:38.779 INFO kablam! 97 | fn square(size: u32) -> Rectangle { Sep 03 14:41:38.779 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:38.779 INFO kablam! Sep 03 14:41:38.779 INFO kablam! warning: method is never used: `widen` Sep 03 14:41:38.779 INFO kablam! --> chapter5/src/main.rs:105:5 Sep 03 14:41:38.780 INFO kablam! | Sep 03 14:41:38.780 INFO kablam! 105 | fn widen(&mut self, n: u32) { Sep 03 14:41:38.780 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:38.780 INFO kablam! Sep 03 14:41:38.780 INFO kablam! warning: method is never used: `takes_ownership` Sep 03 14:41:38.780 INFO kablam! --> chapter5/src/main.rs:109:5 Sep 03 14:41:38.781 INFO kablam! | Sep 03 14:41:38.781 INFO kablam! 109 | fn takes_ownership(self) -> Rectangle { Sep 03 14:41:38.781 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:38.781 INFO kablam! Sep 03 14:41:38.781 INFO kablam! warning: method is never used: `transform` Sep 03 14:41:38.782 INFO kablam! --> chapter5/src/main.rs:113:5 Sep 03 14:41:38.782 INFO kablam! | Sep 03 14:41:38.782 INFO kablam! 113 | fn transform(self, w: u32, h: u32) -> Rectangle { Sep 03 14:41:38.782 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:38.782 INFO kablam! Sep 03 14:41:38.806 INFO kablam! warning: unused variable: `some_u8_value` Sep 03 14:41:38.806 INFO kablam! --> chapter6/src/main.rs:29:9 Sep 03 14:41:38.806 INFO kablam! | Sep 03 14:41:38.806 INFO kablam! 29 | let some_u8_value = Some(0u8); Sep 03 14:41:38.806 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead Sep 03 14:41:38.806 INFO kablam! | Sep 03 14:41:38.806 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 03 14:41:38.806 INFO kablam! Sep 03 14:41:38.885 INFO kablam! warning: variable does not need to be mutable Sep 03 14:41:38.885 INFO kablam! --> chapter8/src/main.rs:26:9 Sep 03 14:41:38.885 INFO kablam! | Sep 03 14:41:38.885 INFO kablam! 26 | let mut v = vec![1, 2, 3, 4, 5]; Sep 03 14:41:38.885 INFO kablam! | ----^ Sep 03 14:41:38.885 INFO kablam! | | Sep 03 14:41:38.885 INFO kablam! | help: remove this `mut` Sep 03 14:41:38.885 INFO kablam! | Sep 03 14:41:38.885 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 03 14:41:38.885 INFO kablam! Sep 03 14:41:38.888 INFO kablam! warning: variant is never constructed: `ChangeColor` Sep 03 14:41:38.888 INFO kablam! --> chapter6/src/main.rs:49:5 Sep 03 14:41:38.888 INFO kablam! | Sep 03 14:41:38.888 INFO kablam! 49 | ChangeColor(i32, i32, i32), Sep 03 14:41:38.888 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:38.888 INFO kablam! | Sep 03 14:41:38.888 INFO kablam! = note: #[warn(dead_code)] on by default Sep 03 14:41:38.888 INFO kablam! Sep 03 14:41:38.889 INFO kablam! warning: variant is never constructed: `Alabama` Sep 03 14:41:38.889 INFO kablam! --> chapter6/src/main.rs:59:5 Sep 03 14:41:38.889 INFO kablam! | Sep 03 14:41:38.889 INFO kablam! 59 | Alabama, Sep 03 14:41:38.889 INFO kablam! | ^^^^^^^ Sep 03 14:41:38.889 INFO kablam! Sep 03 14:41:38.889 INFO kablam! warning: variant is never constructed: `Nickel` Sep 03 14:41:38.889 INFO kablam! --> chapter6/src/main.rs:65:5 Sep 03 14:41:38.889 INFO kablam! | Sep 03 14:41:38.889 INFO kablam! 65 | Nickel, Sep 03 14:41:38.889 INFO kablam! | ^^^^^^ Sep 03 14:41:38.889 INFO kablam! Sep 03 14:41:38.889 INFO kablam! warning: variant is never constructed: `Dime` Sep 03 14:41:38.889 INFO kablam! --> chapter6/src/main.rs:66:5 Sep 03 14:41:38.889 INFO kablam! | Sep 03 14:41:38.889 INFO kablam! 66 | Dime, Sep 03 14:41:38.889 INFO kablam! | ^^^^ Sep 03 14:41:38.889 INFO kablam! Sep 03 14:41:39.008 INFO kablam! warning: unused variable: `s1` Sep 03 14:41:39.009 INFO kablam! --> chapter4/src/main.rs:75:9 Sep 03 14:41:39.009 INFO kablam! | Sep 03 14:41:39.009 INFO kablam! 75 | let s1 = &mut s; Sep 03 14:41:39.009 INFO kablam! | ^^ help: consider using `_s1` instead Sep 03 14:41:39.009 INFO kablam! | Sep 03 14:41:39.009 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 03 14:41:39.009 INFO kablam! Sep 03 14:41:39.009 INFO kablam! warning: unused variable: `r1` Sep 03 14:41:39.009 INFO kablam! --> chapter4/src/main.rs:86:13 Sep 03 14:41:39.009 INFO kablam! | Sep 03 14:41:39.010 INFO kablam! 86 | let r1 = &mut s; Sep 03 14:41:39.010 INFO kablam! | ^^ help: consider using `_r1` instead Sep 03 14:41:39.010 INFO kablam! Sep 03 14:41:39.010 INFO kablam! warning: unused variable: `r2` Sep 03 14:41:39.010 INFO kablam! --> chapter4/src/main.rs:88:9 Sep 03 14:41:39.010 INFO kablam! | Sep 03 14:41:39.010 INFO kablam! 88 | let r2 = &mut s; Sep 03 14:41:39.010 INFO kablam! | ^^ help: consider using `_r2` instead Sep 03 14:41:39.010 INFO kablam! Sep 03 14:41:39.010 INFO kablam! warning: unused variable: `r1` Sep 03 14:41:39.010 INFO kablam! --> chapter4/src/main.rs:92:9 Sep 03 14:41:39.010 INFO kablam! | Sep 03 14:41:39.010 INFO kablam! 92 | let r1 = &s; Sep 03 14:41:39.010 INFO kablam! | ^^ help: consider using `_r1` instead Sep 03 14:41:39.010 INFO kablam! Sep 03 14:41:39.010 INFO kablam! warning: unused variable: `r2` Sep 03 14:41:39.010 INFO kablam! --> chapter4/src/main.rs:94:9 Sep 03 14:41:39.010 INFO kablam! | Sep 03 14:41:39.010 INFO kablam! 94 | let r2 = &s; Sep 03 14:41:39.010 INFO kablam! | ^^ help: consider using `_r2` instead Sep 03 14:41:39.010 INFO kablam! Sep 03 14:41:39.081 INFO kablam! warning: variable does not need to be mutable Sep 03 14:41:39.082 INFO kablam! --> chapter4/src/main.rs:90:9 Sep 03 14:41:39.082 INFO kablam! | Sep 03 14:41:39.082 INFO kablam! 90 | let mut s = String::from("hello"); Sep 03 14:41:39.082 INFO kablam! | ----^ Sep 03 14:41:39.082 INFO kablam! | | Sep 03 14:41:39.082 INFO kablam! | help: remove this `mut` Sep 03 14:41:39.082 INFO kablam! | Sep 03 14:41:39.082 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 03 14:41:39.082 INFO kablam! Sep 03 14:41:39.082 INFO kablam! warning: variable does not need to be mutable Sep 03 14:41:39.082 INFO kablam! --> chapter4/src/main.rs:108:9 Sep 03 14:41:39.082 INFO kablam! | Sep 03 14:41:39.082 INFO kablam! 108 | let mut s = String::from("hello world"); Sep 03 14:41:39.082 INFO kablam! | ----^ Sep 03 14:41:39.082 INFO kablam! | | Sep 03 14:41:39.082 INFO kablam! | help: remove this `mut` Sep 03 14:41:39.082 INFO kablam! Sep 03 14:41:39.103 INFO kablam! warning: function is never used: `no_dangle` Sep 03 14:41:39.103 INFO kablam! --> chapter4/src/main.rs:168:1 Sep 03 14:41:39.103 INFO kablam! | Sep 03 14:41:39.103 INFO kablam! 168 | fn no_dangle() -> String { Sep 03 14:41:39.103 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Sep 03 14:41:39.110 INFO kablam! | Sep 03 14:41:39.110 INFO kablam! = note: #[warn(dead_code)] on by default Sep 03 14:41:39.110 INFO kablam! Sep 03 14:41:39.241 INFO kablam! warning: variable does not need to be mutable Sep 03 14:41:39.241 INFO kablam! --> chapter8/src/main.rs:26:9 Sep 03 14:41:39.242 INFO kablam! | Sep 03 14:41:39.242 INFO kablam! 26 | let mut v = vec![1, 2, 3, 4, 5]; Sep 03 14:41:39.242 INFO kablam! | ----^ Sep 03 14:41:39.242 INFO kablam! | | Sep 03 14:41:39.242 INFO kablam! | help: remove this `mut` Sep 03 14:41:39.242 INFO kablam! | Sep 03 14:41:39.242 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 03 14:41:39.242 INFO kablam! Sep 03 14:41:39.372 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 1.93s Sep 03 14:41:39.378 INFO kablam! su: No module specific data is present Sep 03 14:41:39.848 INFO running `"docker" "rm" "-f" "4492a06f3eb025df992255d298a87a5c5e94977efc2af7c09658b02a4e8d4599"` Sep 03 14:41:39.979 INFO blam! 4492a06f3eb025df992255d298a87a5c5e94977efc2af7c09658b02a4e8d4599