Sep 14 02:03:04.710 INFO checking yuya373/trpl against try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0 for pr-53578-1 Sep 14 02:03:04.710 INFO running: cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets Sep 14 02:03:04.710 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-53578-1/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-7/try#87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0:/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=1000" "-e" "CMD=cargo +87b8e7411c4f1267d0cac0d63fa9c21c943e2ea0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 14 02:03:05.161 INFO blam! d23d05181e20be0c7cfc9303e0b1f92cd0a8eb8c97c81718646139e15a51409c Sep 14 02:03:05.163 INFO running `"docker" "start" "-a" "d23d05181e20be0c7cfc9303e0b1f92cd0a8eb8c97c81718646139e15a51409c"` Sep 14 02:03:07.235 INFO kablam! usermod: no changes Sep 14 02:03:07.290 INFO kablam! Checking chapter7 v0.1.0 (file:///source/chapter7) Sep 14 02:03:07.291 INFO kablam! Checking chapter5 v0.1.0 (file:///source/chapter5) Sep 14 02:03:07.291 INFO kablam! Checking chapter10 v0.1.0 (file:///source/chapter10) Sep 14 02:03:07.291 INFO kablam! Checking chapter8 v0.1.0 (file:///source/chapter8) Sep 14 02:03:07.291 INFO kablam! Checking chapter9 v0.1.0 (file:///source/chapter9) Sep 14 02:03:07.843 INFO kablam! warning: field is never used: `part` Sep 14 02:03:07.843 INFO kablam! --> chapter10/src/main.rs:5:5 Sep 14 02:03:07.843 INFO kablam! | Sep 14 02:03:07.843 INFO kablam! 5 | part: &'a str, Sep 14 02:03:07.843 INFO kablam! | ^^^^^^^^^^^^^ Sep 14 02:03:07.843 INFO kablam! | Sep 14 02:03:07.843 INFO kablam! = note: #[warn(dead_code)] on by default Sep 14 02:03:07.843 INFO kablam! Sep 14 02:03:07.843 INFO kablam! warning: method is never used: `announce_and_return_part` Sep 14 02:03:07.843 INFO kablam! --> chapter10/src/main.rs:15:5 Sep 14 02:03:07.843 INFO kablam! | Sep 14 02:03:07.843 INFO kablam! 15 | fn announce_and_return_part(&self, announcement: &str) -> &str { Sep 14 02:03:07.843 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:07.843 INFO kablam! Sep 14 02:03:07.855 INFO kablam! Checking chapter6 v0.1.0 (file:///source/chapter6) Sep 14 02:03:07.891 INFO kablam! Checking chapter4 v0.1.0 (file:///source/chapter4) Sep 14 02:03:07.999 INFO kablam! warning: field is never used: `part` Sep 14 02:03:07.999 INFO kablam! --> chapter10/src/main.rs:5:5 Sep 14 02:03:07.999 INFO kablam! | Sep 14 02:03:07.999 INFO kablam! 5 | part: &'a str, Sep 14 02:03:07.999 INFO kablam! | ^^^^^^^^^^^^^ Sep 14 02:03:07.999 INFO kablam! | Sep 14 02:03:07.999 INFO kablam! = note: #[warn(dead_code)] on by default Sep 14 02:03:07.999 INFO kablam! Sep 14 02:03:07.999 INFO kablam! warning: method is never used: `announce_and_return_part` Sep 14 02:03:07.999 INFO kablam! --> chapter10/src/main.rs:15:5 Sep 14 02:03:07.999 INFO kablam! | Sep 14 02:03:07.999 INFO kablam! 15 | fn announce_and_return_part(&self, announcement: &str) -> &str { Sep 14 02:03:07.999 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:07.999 INFO kablam! Sep 14 02:03:08.075 INFO kablam! warning: unused variable: `user2` Sep 14 02:03:08.075 INFO kablam! --> chapter5/src/main.rs:12:9 Sep 14 02:03:08.075 INFO kablam! | Sep 14 02:03:08.075 INFO kablam! 12 | let user2 = User { Sep 14 02:03:08.075 INFO kablam! | ^^^^^ help: consider using `_user2` instead Sep 14 02:03:08.075 INFO kablam! | Sep 14 02:03:08.075 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 14 02:03:08.075 INFO kablam! Sep 14 02:03:08.075 INFO kablam! warning: unused variable: `black` Sep 14 02:03:08.075 INFO kablam! --> chapter5/src/main.rs:21:9 Sep 14 02:03:08.075 INFO kablam! | Sep 14 02:03:08.075 INFO kablam! 21 | let black = Color(0, 0, 0); Sep 14 02:03:08.075 INFO kablam! | ^^^^^ help: consider using `_black` instead Sep 14 02:03:08.075 INFO kablam! Sep 14 02:03:08.114 INFO kablam! warning: unused variable: `user2` Sep 14 02:03:08.114 INFO kablam! --> chapter5/src/main.rs:12:9 Sep 14 02:03:08.114 INFO kablam! | Sep 14 02:03:08.114 INFO kablam! 12 | let user2 = User { Sep 14 02:03:08.114 INFO kablam! | ^^^^^ help: consider using `_user2` instead Sep 14 02:03:08.114 INFO kablam! | Sep 14 02:03:08.114 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 14 02:03:08.114 INFO kablam! Sep 14 02:03:08.114 INFO kablam! warning: unused variable: `black` Sep 14 02:03:08.114 INFO kablam! --> chapter5/src/main.rs:21:9 Sep 14 02:03:08.114 INFO kablam! | Sep 14 02:03:08.114 INFO kablam! 21 | let black = Color(0, 0, 0); Sep 14 02:03:08.114 INFO kablam! | ^^^^^ help: consider using `_black` instead Sep 14 02:03:08.114 INFO kablam! Sep 14 02:03:08.143 INFO kablam! warning: field is never used: `sign_in_count` Sep 14 02:03:08.143 INFO kablam! --> chapter5/src/main.rs:53:5 Sep 14 02:03:08.143 INFO kablam! | Sep 14 02:03:08.143 INFO kablam! 53 | sign_in_count: u64, Sep 14 02:03:08.143 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.143 INFO kablam! | Sep 14 02:03:08.143 INFO kablam! = note: #[warn(dead_code)] on by default Sep 14 02:03:08.143 INFO kablam! Sep 14 02:03:08.143 INFO kablam! warning: field is never used: `active` Sep 14 02:03:08.143 INFO kablam! --> chapter5/src/main.rs:54:5 Sep 14 02:03:08.143 INFO kablam! | Sep 14 02:03:08.143 INFO kablam! 54 | active: bool, Sep 14 02:03:08.143 INFO kablam! | ^^^^^^^^^^^^ Sep 14 02:03:08.143 INFO kablam! Sep 14 02:03:08.143 INFO kablam! warning: method is never used: `new` Sep 14 02:03:08.143 INFO kablam! --> chapter5/src/main.rs:67:5 Sep 14 02:03:08.143 INFO kablam! | Sep 14 02:03:08.143 INFO kablam! 67 | fn new(email: String, username: String) -> User { Sep 14 02:03:08.143 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.143 INFO kablam! Sep 14 02:03:08.143 INFO kablam! warning: method is never used: `square` Sep 14 02:03:08.143 INFO kablam! --> chapter5/src/main.rs:97:5 Sep 14 02:03:08.143 INFO kablam! | Sep 14 02:03:08.143 INFO kablam! 97 | fn square(size: u32) -> Rectangle { Sep 14 02:03:08.143 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.143 INFO kablam! Sep 14 02:03:08.143 INFO kablam! warning: method is never used: `widen` Sep 14 02:03:08.143 INFO kablam! --> chapter5/src/main.rs:105:5 Sep 14 02:03:08.143 INFO kablam! | Sep 14 02:03:08.143 INFO kablam! 105 | fn widen(&mut self, n: u32) { Sep 14 02:03:08.143 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.143 INFO kablam! Sep 14 02:03:08.143 INFO kablam! warning: method is never used: `takes_ownership` Sep 14 02:03:08.143 INFO kablam! --> chapter5/src/main.rs:109:5 Sep 14 02:03:08.143 INFO kablam! | Sep 14 02:03:08.143 INFO kablam! 109 | fn takes_ownership(self) -> Rectangle { Sep 14 02:03:08.143 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.143 INFO kablam! Sep 14 02:03:08.143 INFO kablam! warning: method is never used: `transform` Sep 14 02:03:08.143 INFO kablam! --> chapter5/src/main.rs:113:5 Sep 14 02:03:08.144 INFO kablam! | Sep 14 02:03:08.144 INFO kablam! 113 | fn transform(self, w: u32, h: u32) -> Rectangle { Sep 14 02:03:08.144 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.144 INFO kablam! Sep 14 02:03:08.166 INFO kablam! warning: field is never used: `sign_in_count` Sep 14 02:03:08.166 INFO kablam! --> chapter5/src/main.rs:53:5 Sep 14 02:03:08.166 INFO kablam! | Sep 14 02:03:08.166 INFO kablam! 53 | sign_in_count: u64, Sep 14 02:03:08.166 INFO kablam! | ^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.166 INFO kablam! | Sep 14 02:03:08.166 INFO kablam! = note: #[warn(dead_code)] on by default Sep 14 02:03:08.166 INFO kablam! Sep 14 02:03:08.166 INFO kablam! warning: field is never used: `active` Sep 14 02:03:08.166 INFO kablam! --> chapter5/src/main.rs:54:5 Sep 14 02:03:08.166 INFO kablam! | Sep 14 02:03:08.166 INFO kablam! 54 | active: bool, Sep 14 02:03:08.166 INFO kablam! | ^^^^^^^^^^^^ Sep 14 02:03:08.166 INFO kablam! Sep 14 02:03:08.166 INFO kablam! warning: method is never used: `new` Sep 14 02:03:08.166 INFO kablam! --> chapter5/src/main.rs:67:5 Sep 14 02:03:08.166 INFO kablam! | Sep 14 02:03:08.166 INFO kablam! 67 | fn new(email: String, username: String) -> User { Sep 14 02:03:08.166 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.166 INFO kablam! Sep 14 02:03:08.166 INFO kablam! warning: method is never used: `square` Sep 14 02:03:08.166 INFO kablam! --> chapter5/src/main.rs:97:5 Sep 14 02:03:08.166 INFO kablam! | Sep 14 02:03:08.166 INFO kablam! 97 | fn square(size: u32) -> Rectangle { Sep 14 02:03:08.166 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.166 INFO kablam! Sep 14 02:03:08.166 INFO kablam! warning: method is never used: `widen` Sep 14 02:03:08.166 INFO kablam! --> chapter5/src/main.rs:105:5 Sep 14 02:03:08.166 INFO kablam! | Sep 14 02:03:08.166 INFO kablam! 105 | fn widen(&mut self, n: u32) { Sep 14 02:03:08.166 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.166 INFO kablam! Sep 14 02:03:08.166 INFO kablam! warning: method is never used: `takes_ownership` Sep 14 02:03:08.166 INFO kablam! --> chapter5/src/main.rs:109:5 Sep 14 02:03:08.166 INFO kablam! | Sep 14 02:03:08.166 INFO kablam! 109 | fn takes_ownership(self) -> Rectangle { Sep 14 02:03:08.166 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.166 INFO kablam! Sep 14 02:03:08.166 INFO kablam! warning: method is never used: `transform` Sep 14 02:03:08.166 INFO kablam! --> chapter5/src/main.rs:113:5 Sep 14 02:03:08.166 INFO kablam! | Sep 14 02:03:08.166 INFO kablam! 113 | fn transform(self, w: u32, h: u32) -> Rectangle { Sep 14 02:03:08.166 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.166 INFO kablam! Sep 14 02:03:08.711 INFO kablam! warning: unused variable: `s1` Sep 14 02:03:08.711 INFO kablam! --> chapter4/src/main.rs:75:9 Sep 14 02:03:08.711 INFO kablam! | Sep 14 02:03:08.711 INFO kablam! 75 | let s1 = &mut s; Sep 14 02:03:08.711 INFO kablam! | ^^ help: consider using `_s1` instead Sep 14 02:03:08.711 INFO kablam! | Sep 14 02:03:08.711 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 14 02:03:08.711 INFO kablam! Sep 14 02:03:08.728 INFO kablam! warning: unused variable: `r1` Sep 14 02:03:08.728 INFO kablam! --> chapter4/src/main.rs:86:13 Sep 14 02:03:08.728 INFO kablam! | Sep 14 02:03:08.728 INFO kablam! 86 | let r1 = &mut s; Sep 14 02:03:08.728 INFO kablam! | ^^ help: consider using `_r1` instead Sep 14 02:03:08.728 INFO kablam! Sep 14 02:03:08.728 INFO kablam! warning: unused variable: `r2` Sep 14 02:03:08.728 INFO kablam! --> chapter4/src/main.rs:88:9 Sep 14 02:03:08.728 INFO kablam! | Sep 14 02:03:08.728 INFO kablam! 88 | let r2 = &mut s; Sep 14 02:03:08.728 INFO kablam! | ^^ help: consider using `_r2` instead Sep 14 02:03:08.728 INFO kablam! Sep 14 02:03:08.728 INFO kablam! warning: unused variable: `r1` Sep 14 02:03:08.728 INFO kablam! --> chapter4/src/main.rs:92:9 Sep 14 02:03:08.728 INFO kablam! | Sep 14 02:03:08.728 INFO kablam! 92 | let r1 = &s; Sep 14 02:03:08.728 INFO kablam! | ^^ help: consider using `_r1` instead Sep 14 02:03:08.728 INFO kablam! Sep 14 02:03:08.728 INFO kablam! warning: unused variable: `r2` Sep 14 02:03:08.728 INFO kablam! --> chapter4/src/main.rs:94:9 Sep 14 02:03:08.728 INFO kablam! | Sep 14 02:03:08.728 INFO kablam! 94 | let r2 = &s; Sep 14 02:03:08.728 INFO kablam! | ^^ help: consider using `_r2` instead Sep 14 02:03:08.728 INFO kablam! Sep 14 02:03:08.746 INFO kablam! warning: unused variable: `some_u8_value` Sep 14 02:03:08.746 INFO kablam! --> chapter6/src/main.rs:29:9 Sep 14 02:03:08.746 INFO kablam! | Sep 14 02:03:08.746 INFO kablam! 29 | let some_u8_value = Some(0u8); Sep 14 02:03:08.746 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead Sep 14 02:03:08.746 INFO kablam! | Sep 14 02:03:08.746 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 14 02:03:08.746 INFO kablam! Sep 14 02:03:08.779 INFO kablam! warning: variable does not need to be mutable Sep 14 02:03:08.779 INFO kablam! --> chapter4/src/main.rs:90:9 Sep 14 02:03:08.779 INFO kablam! | Sep 14 02:03:08.779 INFO kablam! 90 | let mut s = String::from("hello"); Sep 14 02:03:08.779 INFO kablam! | ----^ Sep 14 02:03:08.779 INFO kablam! | | Sep 14 02:03:08.779 INFO kablam! | help: remove this `mut` Sep 14 02:03:08.779 INFO kablam! | Sep 14 02:03:08.779 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 14 02:03:08.779 INFO kablam! Sep 14 02:03:08.779 INFO kablam! warning: variable does not need to be mutable Sep 14 02:03:08.779 INFO kablam! --> chapter4/src/main.rs:108:9 Sep 14 02:03:08.779 INFO kablam! | Sep 14 02:03:08.779 INFO kablam! 108 | let mut s = String::from("hello world"); Sep 14 02:03:08.779 INFO kablam! | ----^ Sep 14 02:03:08.779 INFO kablam! | | Sep 14 02:03:08.779 INFO kablam! | help: remove this `mut` Sep 14 02:03:08.779 INFO kablam! Sep 14 02:03:08.831 INFO kablam! warning: function is never used: `no_dangle` Sep 14 02:03:08.831 INFO kablam! --> chapter4/src/main.rs:168:1 Sep 14 02:03:08.831 INFO kablam! | Sep 14 02:03:08.831 INFO kablam! 168 | fn no_dangle() -> String { Sep 14 02:03:08.831 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.831 INFO kablam! | Sep 14 02:03:08.831 INFO kablam! = note: #[warn(dead_code)] on by default Sep 14 02:03:08.831 INFO kablam! Sep 14 02:03:08.859 INFO kablam! warning: variant is never constructed: `ChangeColor` Sep 14 02:03:08.859 INFO kablam! --> chapter6/src/main.rs:49:5 Sep 14 02:03:08.859 INFO kablam! | Sep 14 02:03:08.859 INFO kablam! 49 | ChangeColor(i32, i32, i32), Sep 14 02:03:08.859 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.859 INFO kablam! | Sep 14 02:03:08.859 INFO kablam! = note: #[warn(dead_code)] on by default Sep 14 02:03:08.859 INFO kablam! Sep 14 02:03:08.859 INFO kablam! warning: variant is never constructed: `Alabama` Sep 14 02:03:08.859 INFO kablam! --> chapter6/src/main.rs:59:5 Sep 14 02:03:08.859 INFO kablam! | Sep 14 02:03:08.859 INFO kablam! 59 | Alabama, Sep 14 02:03:08.859 INFO kablam! | ^^^^^^^ Sep 14 02:03:08.859 INFO kablam! Sep 14 02:03:08.859 INFO kablam! warning: variant is never constructed: `Nickel` Sep 14 02:03:08.859 INFO kablam! --> chapter6/src/main.rs:65:5 Sep 14 02:03:08.859 INFO kablam! | Sep 14 02:03:08.859 INFO kablam! 65 | Nickel, Sep 14 02:03:08.859 INFO kablam! | ^^^^^^ Sep 14 02:03:08.859 INFO kablam! Sep 14 02:03:08.859 INFO kablam! warning: variant is never constructed: `Dime` Sep 14 02:03:08.859 INFO kablam! --> chapter6/src/main.rs:66:5 Sep 14 02:03:08.859 INFO kablam! | Sep 14 02:03:08.859 INFO kablam! 66 | Dime, Sep 14 02:03:08.859 INFO kablam! | ^^^^ Sep 14 02:03:08.859 INFO kablam! Sep 14 02:03:08.943 INFO kablam! warning: unused variable: `some_u8_value` Sep 14 02:03:08.943 INFO kablam! --> chapter6/src/main.rs:29:9 Sep 14 02:03:08.943 INFO kablam! | Sep 14 02:03:08.943 INFO kablam! 29 | let some_u8_value = Some(0u8); Sep 14 02:03:08.944 INFO kablam! | ^^^^^^^^^^^^^ help: consider using `_some_u8_value` instead Sep 14 02:03:08.944 INFO kablam! | Sep 14 02:03:08.944 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 14 02:03:08.944 INFO kablam! Sep 14 02:03:08.973 INFO kablam! warning: variant is never constructed: `ChangeColor` Sep 14 02:03:08.973 INFO kablam! --> chapter6/src/main.rs:49:5 Sep 14 02:03:08.973 INFO kablam! | Sep 14 02:03:08.973 INFO kablam! 49 | ChangeColor(i32, i32, i32), Sep 14 02:03:08.973 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:08.983 INFO kablam! | Sep 14 02:03:08.983 INFO kablam! = note: #[warn(dead_code)] on by default Sep 14 02:03:08.983 INFO kablam! Sep 14 02:03:08.983 INFO kablam! warning: variant is never constructed: `Alabama` Sep 14 02:03:08.983 INFO kablam! --> chapter6/src/main.rs:59:5 Sep 14 02:03:08.983 INFO kablam! | Sep 14 02:03:08.983 INFO kablam! 59 | Alabama, Sep 14 02:03:08.983 INFO kablam! | ^^^^^^^ Sep 14 02:03:08.983 INFO kablam! Sep 14 02:03:08.983 INFO kablam! warning: variant is never constructed: `Nickel` Sep 14 02:03:08.983 INFO kablam! --> chapter6/src/main.rs:65:5 Sep 14 02:03:08.983 INFO kablam! | Sep 14 02:03:08.983 INFO kablam! 65 | Nickel, Sep 14 02:03:08.983 INFO kablam! | ^^^^^^ Sep 14 02:03:08.983 INFO kablam! Sep 14 02:03:08.983 INFO kablam! warning: variant is never constructed: `Dime` Sep 14 02:03:08.983 INFO kablam! --> chapter6/src/main.rs:66:5 Sep 14 02:03:08.983 INFO kablam! | Sep 14 02:03:08.983 INFO kablam! 66 | Dime, Sep 14 02:03:08.983 INFO kablam! | ^^^^ Sep 14 02:03:08.983 INFO kablam! Sep 14 02:03:09.104 INFO kablam! warning: unused variable: `s1` Sep 14 02:03:09.104 INFO kablam! --> chapter4/src/main.rs:75:9 Sep 14 02:03:09.104 INFO kablam! | Sep 14 02:03:09.104 INFO kablam! 75 | let s1 = &mut s; Sep 14 02:03:09.104 INFO kablam! | ^^ help: consider using `_s1` instead Sep 14 02:03:09.104 INFO kablam! | Sep 14 02:03:09.104 INFO kablam! = note: #[warn(unused_variables)] on by default Sep 14 02:03:09.104 INFO kablam! Sep 14 02:03:09.104 INFO kablam! warning: unused variable: `r1` Sep 14 02:03:09.104 INFO kablam! --> chapter4/src/main.rs:86:13 Sep 14 02:03:09.104 INFO kablam! | Sep 14 02:03:09.104 INFO kablam! 86 | let r1 = &mut s; Sep 14 02:03:09.104 INFO kablam! | ^^ help: consider using `_r1` instead Sep 14 02:03:09.104 INFO kablam! Sep 14 02:03:09.104 INFO kablam! warning: unused variable: `r2` Sep 14 02:03:09.104 INFO kablam! --> chapter4/src/main.rs:88:9 Sep 14 02:03:09.104 INFO kablam! | Sep 14 02:03:09.104 INFO kablam! 88 | let r2 = &mut s; Sep 14 02:03:09.104 INFO kablam! | ^^ help: consider using `_r2` instead Sep 14 02:03:09.104 INFO kablam! Sep 14 02:03:09.104 INFO kablam! warning: unused variable: `r1` Sep 14 02:03:09.105 INFO kablam! --> chapter4/src/main.rs:92:9 Sep 14 02:03:09.105 INFO kablam! | Sep 14 02:03:09.105 INFO kablam! 92 | let r1 = &s; Sep 14 02:03:09.105 INFO kablam! | ^^ help: consider using `_r1` instead Sep 14 02:03:09.105 INFO kablam! Sep 14 02:03:09.105 INFO kablam! warning: unused variable: `r2` Sep 14 02:03:09.105 INFO kablam! --> chapter4/src/main.rs:94:9 Sep 14 02:03:09.105 INFO kablam! | Sep 14 02:03:09.105 INFO kablam! 94 | let r2 = &s; Sep 14 02:03:09.105 INFO kablam! | ^^ help: consider using `_r2` instead Sep 14 02:03:09.105 INFO kablam! Sep 14 02:03:09.124 INFO kablam! warning: variable does not need to be mutable Sep 14 02:03:09.124 INFO kablam! --> chapter4/src/main.rs:90:9 Sep 14 02:03:09.124 INFO kablam! | Sep 14 02:03:09.124 INFO kablam! 90 | let mut s = String::from("hello"); Sep 14 02:03:09.124 INFO kablam! | ----^ Sep 14 02:03:09.124 INFO kablam! | | Sep 14 02:03:09.124 INFO kablam! | help: remove this `mut` Sep 14 02:03:09.132 INFO kablam! | Sep 14 02:03:09.132 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 14 02:03:09.132 INFO kablam! Sep 14 02:03:09.132 INFO kablam! warning: variable does not need to be mutable Sep 14 02:03:09.132 INFO kablam! --> chapter4/src/main.rs:108:9 Sep 14 02:03:09.132 INFO kablam! | Sep 14 02:03:09.132 INFO kablam! 108 | let mut s = String::from("hello world"); Sep 14 02:03:09.132 INFO kablam! | ----^ Sep 14 02:03:09.132 INFO kablam! | | Sep 14 02:03:09.132 INFO kablam! | help: remove this `mut` Sep 14 02:03:09.132 INFO kablam! Sep 14 02:03:09.138 INFO kablam! warning: function is never used: `no_dangle` Sep 14 02:03:09.138 INFO kablam! --> chapter4/src/main.rs:168:1 Sep 14 02:03:09.138 INFO kablam! | Sep 14 02:03:09.138 INFO kablam! 168 | fn no_dangle() -> String { Sep 14 02:03:09.138 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^ Sep 14 02:03:09.147 INFO kablam! | Sep 14 02:03:09.147 INFO kablam! = note: #[warn(dead_code)] on by default Sep 14 02:03:09.147 INFO kablam! Sep 14 02:03:09.167 INFO kablam! warning: variable does not need to be mutable Sep 14 02:03:09.167 INFO kablam! --> chapter8/src/main.rs:26:9 Sep 14 02:03:09.167 INFO kablam! | Sep 14 02:03:09.167 INFO kablam! 26 | let mut v = vec![1, 2, 3, 4, 5]; Sep 14 02:03:09.167 INFO kablam! | ----^ Sep 14 02:03:09.167 INFO kablam! | | Sep 14 02:03:09.167 INFO kablam! | help: remove this `mut` Sep 14 02:03:09.167 INFO kablam! | Sep 14 02:03:09.167 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 14 02:03:09.167 INFO kablam! Sep 14 02:03:09.195 INFO kablam! warning: variable does not need to be mutable Sep 14 02:03:09.195 INFO kablam! --> chapter8/src/main.rs:26:9 Sep 14 02:03:09.195 INFO kablam! | Sep 14 02:03:09.195 INFO kablam! 26 | let mut v = vec![1, 2, 3, 4, 5]; Sep 14 02:03:09.195 INFO kablam! | ----^ Sep 14 02:03:09.195 INFO kablam! | | Sep 14 02:03:09.195 INFO kablam! | help: remove this `mut` Sep 14 02:03:09.195 INFO kablam! | Sep 14 02:03:09.195 INFO kablam! = note: #[warn(unused_mut)] on by default Sep 14 02:03:09.195 INFO kablam! Sep 14 02:03:09.286 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.03s Sep 14 02:03:09.290 INFO kablam! su: No module specific data is present Sep 14 02:03:10.930 INFO running `"docker" "rm" "-f" "d23d05181e20be0c7cfc9303e0b1f92cd0a8eb8c97c81718646139e15a51409c"` Sep 14 02:03:11.199 INFO blam! d23d05181e20be0c7cfc9303e0b1f92cd0a8eb8c97c81718646139e15a51409c