Nov 01 04:18:39.701 INFO checking halcyon/rust_tut against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538 Nov 01 04:18:39.701 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-3/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"` Nov 01 04:18:40.302 INFO blam! 856c286103d6e93fece1cce80b66ce29f5e43ca684c35b6d65747afefcee0c67 Nov 01 04:18:40.316 INFO running `"docker" "start" "-a" "856c286103d6e93fece1cce80b66ce29f5e43ca684c35b6d65747afefcee0c67"` Nov 01 04:18:41.700 INFO kablam! usermod: no changes Nov 01 04:18:41.756 INFO kablam! Checking rust_tut v0.1.0 (/source) Nov 01 04:18:42.123 INFO kablam! warning: unused imports: `u16`, `u32`, `u64`, `u8` Nov 01 04:18:42.124 INFO kablam! --> src/main.rs:1:30 Nov 01 04:18:42.124 INFO kablam! | Nov 01 04:18:42.124 INFO kablam! 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64}; Nov 01 04:18:42.124 INFO kablam! | ^^ ^^^ ^^^ ^^^ Nov 01 04:18:42.125 INFO kablam! | Nov 01 04:18:42.125 INFO kablam! = note: #[warn(unused_imports)] on by default Nov 01 04:18:42.125 INFO kablam! Nov 01 04:18:42.125 INFO kablam! warning: unnecessary parentheses around `if` condition Nov 01 04:18:42.126 INFO kablam! --> src/main.rs:62:8 Nov 01 04:18:42.126 INFO kablam! | Nov 01 04:18:42.126 INFO kablam! 62 | if (age_old == 5) { Nov 01 04:18:42.126 INFO kablam! | ^^^^^^^^^^^^^^ help: remove these parentheses Nov 01 04:18:42.127 INFO kablam! | Nov 01 04:18:42.127 INFO kablam! = note: #[warn(unused_parens)] on by default Nov 01 04:18:42.127 INFO kablam! Nov 01 04:18:42.127 INFO kablam! warning: unnecessary parentheses around `if` condition Nov 01 04:18:42.128 INFO kablam! --> src/main.rs:78:23 Nov 01 04:18:42.128 INFO kablam! | Nov 01 04:18:42.128 INFO kablam! 78 | let can_vote = if (age_old >= 18) { true } else { false }; Nov 01 04:18:42.128 INFO kablam! | ^^^^^^^^^^^^^^^ help: remove these parentheses Nov 01 04:18:42.129 INFO kablam! Nov 01 04:18:42.129 INFO kablam! warning: unnecessary parentheses around `if` condition Nov 01 04:18:42.129 INFO kablam! --> src/main.rs:85:12 Nov 01 04:18:42.129 INFO kablam! | Nov 01 04:18:42.130 INFO kablam! 85 | if ((x % 2) == 0) { Nov 01 04:18:42.130 INFO kablam! | ^^^^^^^^^^^^^^ help: remove these parentheses Nov 01 04:18:42.130 INFO kablam! Nov 01 04:18:42.130 INFO kablam! warning: unnecessary parentheses around `if` condition Nov 01 04:18:42.131 INFO kablam! --> src/main.rs:90:12 Nov 01 04:18:42.131 INFO kablam! | Nov 01 04:18:42.131 INFO kablam! 90 | if (x > 10) { Nov 01 04:18:42.131 INFO kablam! | ^^^^^^^^ help: remove these parentheses Nov 01 04:18:42.132 INFO kablam! Nov 01 04:18:42.181 INFO kablam! warning: unused imports: `u16`, `u32`, `u64`, `u8` Nov 01 04:18:42.181 INFO kablam! --> src/main.rs:1:30 Nov 01 04:18:42.182 INFO kablam! | Nov 01 04:18:42.182 INFO kablam! 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64}; Nov 01 04:18:42.182 INFO kablam! | ^^ ^^^ ^^^ ^^^ Nov 01 04:18:42.182 INFO kablam! | Nov 01 04:18:42.183 INFO kablam! = note: #[warn(unused_imports)] on by default Nov 01 04:18:42.183 INFO kablam! Nov 01 04:18:42.183 INFO kablam! warning: unnecessary parentheses around `if` condition Nov 01 04:18:42.183 INFO kablam! --> src/main.rs:62:8 Nov 01 04:18:42.184 INFO kablam! | Nov 01 04:18:42.184 INFO kablam! 62 | if (age_old == 5) { Nov 01 04:18:42.184 INFO kablam! | ^^^^^^^^^^^^^^ help: remove these parentheses Nov 01 04:18:42.185 INFO kablam! | Nov 01 04:18:42.185 INFO kablam! = note: #[warn(unused_parens)] on by default Nov 01 04:18:42.185 INFO kablam! Nov 01 04:18:42.185 INFO kablam! warning: unnecessary parentheses around `if` condition Nov 01 04:18:42.186 INFO kablam! --> src/main.rs:78:23 Nov 01 04:18:42.186 INFO kablam! | Nov 01 04:18:42.192 INFO kablam! 78 | let can_vote = if (age_old >= 18) { true } else { false }; Nov 01 04:18:42.192 INFO kablam! | ^^^^^^^^^^^^^^^ help: remove these parentheses Nov 01 04:18:42.192 INFO kablam! Nov 01 04:18:42.193 INFO kablam! warning: unnecessary parentheses around `if` condition Nov 01 04:18:42.193 INFO kablam! --> src/main.rs:85:12 Nov 01 04:18:42.193 INFO kablam! | Nov 01 04:18:42.193 INFO kablam! 85 | if ((x % 2) == 0) { Nov 01 04:18:42.194 INFO kablam! | ^^^^^^^^^^^^^^ help: remove these parentheses Nov 01 04:18:42.194 INFO kablam! Nov 01 04:18:42.194 INFO kablam! warning: unnecessary parentheses around `if` condition Nov 01 04:18:42.194 INFO kablam! --> src/main.rs:90:12 Nov 01 04:18:42.194 INFO kablam! | Nov 01 04:18:42.195 INFO kablam! 90 | if (x > 10) { Nov 01 04:18:42.195 INFO kablam! | ^^^^^^^^ help: remove these parentheses Nov 01 04:18:42.195 INFO kablam! Nov 01 04:18:42.311 INFO kablam! warning: unused variable: `num` Nov 01 04:18:42.311 INFO kablam! --> src/main.rs:8:9 Nov 01 04:18:42.311 INFO kablam! | Nov 01 04:18:42.311 INFO kablam! 8 | let num = 10; Nov 01 04:18:42.311 INFO kablam! | ^^^ help: consider using `_num` instead Nov 01 04:18:42.311 INFO kablam! | Nov 01 04:18:42.311 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 04:18:42.312 INFO kablam! Nov 01 04:18:42.312 INFO kablam! warning: unused variable: `f_name` Nov 01 04:18:42.312 INFO kablam! --> src/main.rs:34:10 Nov 01 04:18:42.312 INFO kablam! | Nov 01 04:18:42.312 INFO kablam! 34 | let (f_name, l_name) = ("Derek", "Banas"); Nov 01 04:18:42.312 INFO kablam! | ^^^^^^ help: consider using `_f_name` instead Nov 01 04:18:42.312 INFO kablam! Nov 01 04:18:42.312 INFO kablam! warning: unused variable: `l_name` Nov 01 04:18:42.312 INFO kablam! --> src/main.rs:34:18 Nov 01 04:18:42.312 INFO kablam! | Nov 01 04:18:42.312 INFO kablam! 34 | let (f_name, l_name) = ("Derek", "Banas"); Nov 01 04:18:42.312 INFO kablam! | ^^^^^^ help: consider using `_l_name` instead Nov 01 04:18:42.312 INFO kablam! Nov 01 04:18:42.312 INFO kablam! warning: unused variable: `count` Nov 01 04:18:42.312 INFO kablam! --> src/main.rs:116:9 Nov 01 04:18:42.312 INFO kablam! | Nov 01 04:18:42.312 INFO kablam! 116 | let count = rand_string.chars().count(); Nov 01 04:18:42.312 INFO kablam! | ^^^^^ help: consider using `_count` instead Nov 01 04:18:42.312 INFO kablam! Nov 01 04:18:42.340 INFO kablam! warning: variable does not need to be mutable Nov 01 04:18:42.340 INFO kablam! --> src/main.rs:10:9 Nov 01 04:18:42.340 INFO kablam! | Nov 01 04:18:42.340 INFO kablam! 10 | let mut age: i32 = 40; Nov 01 04:18:42.340 INFO kablam! | ----^^^ Nov 01 04:18:42.340 INFO kablam! | | Nov 01 04:18:42.340 INFO kablam! | help: remove this `mut` Nov 01 04:18:42.340 INFO kablam! | Nov 01 04:18:42.340 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 01 04:18:42.340 INFO kablam! Nov 01 04:18:42.340 INFO kablam! warning: variable does not need to be mutable Nov 01 04:18:42.340 INFO kablam! --> src/main.rs:52:9 Nov 01 04:18:42.340 INFO kablam! | Nov 01 04:18:42.340 INFO kablam! 52 | let mut neg_4 = -4i32; Nov 01 04:18:42.340 INFO kablam! | ----^^^^^ Nov 01 04:18:42.340 INFO kablam! | | Nov 01 04:18:42.340 INFO kablam! | help: remove this `mut` Nov 01 04:18:42.340 INFO kablam! Nov 01 04:18:42.348 INFO kablam! warning: unused variable: `num` Nov 01 04:18:42.348 INFO kablam! --> src/main.rs:8:9 Nov 01 04:18:42.348 INFO kablam! | Nov 01 04:18:42.348 INFO kablam! 8 | let num = 10; Nov 01 04:18:42.348 INFO kablam! | ^^^ help: consider using `_num` instead Nov 01 04:18:42.348 INFO kablam! | Nov 01 04:18:42.348 INFO kablam! = note: #[warn(unused_variables)] on by default Nov 01 04:18:42.348 INFO kablam! Nov 01 04:18:42.348 INFO kablam! warning: unused variable: `f_name` Nov 01 04:18:42.348 INFO kablam! --> src/main.rs:34:10 Nov 01 04:18:42.348 INFO kablam! | Nov 01 04:18:42.348 INFO kablam! 34 | let (f_name, l_name) = ("Derek", "Banas"); Nov 01 04:18:42.348 INFO kablam! | ^^^^^^ help: consider using `_f_name` instead Nov 01 04:18:42.348 INFO kablam! Nov 01 04:18:42.348 INFO kablam! warning: unused variable: `l_name` Nov 01 04:18:42.348 INFO kablam! --> src/main.rs:34:18 Nov 01 04:18:42.348 INFO kablam! | Nov 01 04:18:42.348 INFO kablam! 34 | let (f_name, l_name) = ("Derek", "Banas"); Nov 01 04:18:42.348 INFO kablam! | ^^^^^^ help: consider using `_l_name` instead Nov 01 04:18:42.348 INFO kablam! Nov 01 04:18:42.349 INFO kablam! warning: unused variable: `count` Nov 01 04:18:42.349 INFO kablam! --> src/main.rs:116:9 Nov 01 04:18:42.349 INFO kablam! | Nov 01 04:18:42.349 INFO kablam! 116 | let count = rand_string.chars().count(); Nov 01 04:18:42.349 INFO kablam! | ^^^^^ help: consider using `_count` instead Nov 01 04:18:42.349 INFO kablam! Nov 01 04:18:42.377 INFO kablam! warning: variable does not need to be mutable Nov 01 04:18:42.377 INFO kablam! --> src/main.rs:10:9 Nov 01 04:18:42.378 INFO kablam! | Nov 01 04:18:42.378 INFO kablam! 10 | let mut age: i32 = 40; Nov 01 04:18:42.378 INFO kablam! | ----^^^ Nov 01 04:18:42.378 INFO kablam! | | Nov 01 04:18:42.378 INFO kablam! | help: remove this `mut` Nov 01 04:18:42.378 INFO kablam! | Nov 01 04:18:42.378 INFO kablam! = note: #[warn(unused_mut)] on by default Nov 01 04:18:42.378 INFO kablam! Nov 01 04:18:42.378 INFO kablam! warning: variable does not need to be mutable Nov 01 04:18:42.378 INFO kablam! --> src/main.rs:52:9 Nov 01 04:18:42.378 INFO kablam! | Nov 01 04:18:42.378 INFO kablam! 52 | let mut neg_4 = -4i32; Nov 01 04:18:42.378 INFO kablam! | ----^^^^^ Nov 01 04:18:42.378 INFO kablam! | | Nov 01 04:18:42.378 INFO kablam! | help: remove this `mut` Nov 01 04:18:42.378 INFO kablam! Nov 01 04:18:42.424 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.69s Nov 01 04:18:42.443 INFO kablam! su: No module specific data is present Nov 01 04:18:43.070 INFO running `"docker" "rm" "-f" "856c286103d6e93fece1cce80b66ce29f5e43ca684c35b6d65747afefcee0c67"` Nov 01 04:18:43.386 INFO blam! 856c286103d6e93fece1cce80b66ce29f5e43ca684c35b6d65747afefcee0c67