Oct 27 04:02:07.385 INFO checking halcyon/rust_tut against master#155510e377ae2a8d8ee0dad1a5f809c9062a5526 for pr-55192-2 Oct 27 04:02:07.386 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 27 04:02:07.751 INFO blam! cd717f4dca8bae2751dcb29fd61a07c2d77894fe2f95351f1d0adf692fcd5a1d Oct 27 04:02:07.777 INFO running `"docker" "start" "-a" "cd717f4dca8bae2751dcb29fd61a07c2d77894fe2f95351f1d0adf692fcd5a1d"` Oct 27 04:02:08.655 INFO kablam! usermod: no changes Oct 27 04:02:08.743 INFO kablam! Checking rust_tut v0.1.0 (/source) Oct 27 04:02:09.180 INFO kablam! warning: unused imports: `u16`, `u32`, `u64`, `u8` Oct 27 04:02:09.180 INFO kablam! --> src/main.rs:1:30 Oct 27 04:02:09.180 INFO kablam! | Oct 27 04:02:09.180 INFO kablam! 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64}; Oct 27 04:02:09.181 INFO kablam! | ^^ ^^^ ^^^ ^^^ Oct 27 04:02:09.181 INFO kablam! | Oct 27 04:02:09.181 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 27 04:02:09.182 INFO kablam! Oct 27 04:02:09.182 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 27 04:02:09.182 INFO kablam! --> src/main.rs:62:8 Oct 27 04:02:09.183 INFO kablam! | Oct 27 04:02:09.183 INFO kablam! 62 | if (age_old == 5) { Oct 27 04:02:09.183 INFO kablam! | ^^^^^^^^^^^^^^ help: remove these parentheses Oct 27 04:02:09.183 INFO kablam! | Oct 27 04:02:09.184 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 27 04:02:09.184 INFO kablam! Oct 27 04:02:09.184 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 27 04:02:09.185 INFO kablam! --> src/main.rs:78:23 Oct 27 04:02:09.185 INFO kablam! | Oct 27 04:02:09.185 INFO kablam! 78 | let can_vote = if (age_old >= 18) { true } else { false }; Oct 27 04:02:09.186 INFO kablam! | ^^^^^^^^^^^^^^^ help: remove these parentheses Oct 27 04:02:09.186 INFO kablam! Oct 27 04:02:09.186 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 27 04:02:09.187 INFO kablam! --> src/main.rs:85:12 Oct 27 04:02:09.187 INFO kablam! | Oct 27 04:02:09.187 INFO kablam! 85 | if ((x % 2) == 0) { Oct 27 04:02:09.187 INFO kablam! | ^^^^^^^^^^^^^^ help: remove these parentheses Oct 27 04:02:09.188 INFO kablam! Oct 27 04:02:09.188 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 27 04:02:09.188 INFO kablam! --> src/main.rs:90:12 Oct 27 04:02:09.189 INFO kablam! | Oct 27 04:02:09.189 INFO kablam! 90 | if (x > 10) { Oct 27 04:02:09.189 INFO kablam! | ^^^^^^^^ help: remove these parentheses Oct 27 04:02:09.190 INFO kablam! Oct 27 04:02:09.319 INFO kablam! warning: unused imports: `u16`, `u32`, `u64`, `u8` Oct 27 04:02:09.319 INFO kablam! --> src/main.rs:1:30 Oct 27 04:02:09.319 INFO kablam! | Oct 27 04:02:09.319 INFO kablam! 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64}; Oct 27 04:02:09.319 INFO kablam! | ^^ ^^^ ^^^ ^^^ Oct 27 04:02:09.319 INFO kablam! | Oct 27 04:02:09.319 INFO kablam! = note: #[warn(unused_imports)] on by default Oct 27 04:02:09.319 INFO kablam! Oct 27 04:02:09.319 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 27 04:02:09.319 INFO kablam! --> src/main.rs:62:8 Oct 27 04:02:09.319 INFO kablam! | Oct 27 04:02:09.319 INFO kablam! 62 | if (age_old == 5) { Oct 27 04:02:09.319 INFO kablam! | ^^^^^^^^^^^^^^ help: remove these parentheses Oct 27 04:02:09.319 INFO kablam! | Oct 27 04:02:09.319 INFO kablam! = note: #[warn(unused_parens)] on by default Oct 27 04:02:09.319 INFO kablam! Oct 27 04:02:09.323 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 27 04:02:09.323 INFO kablam! --> src/main.rs:78:23 Oct 27 04:02:09.323 INFO kablam! | Oct 27 04:02:09.323 INFO kablam! 78 | let can_vote = if (age_old >= 18) { true } else { false }; Oct 27 04:02:09.323 INFO kablam! | ^^^^^^^^^^^^^^^ help: remove these parentheses Oct 27 04:02:09.323 INFO kablam! Oct 27 04:02:09.323 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 27 04:02:09.323 INFO kablam! --> src/main.rs:85:12 Oct 27 04:02:09.323 INFO kablam! | Oct 27 04:02:09.323 INFO kablam! 85 | if ((x % 2) == 0) { Oct 27 04:02:09.323 INFO kablam! | ^^^^^^^^^^^^^^ help: remove these parentheses Oct 27 04:02:09.323 INFO kablam! Oct 27 04:02:09.323 INFO kablam! warning: unnecessary parentheses around `if` condition Oct 27 04:02:09.323 INFO kablam! --> src/main.rs:90:12 Oct 27 04:02:09.323 INFO kablam! | Oct 27 04:02:09.323 INFO kablam! 90 | if (x > 10) { Oct 27 04:02:09.323 INFO kablam! | ^^^^^^^^ help: remove these parentheses Oct 27 04:02:09.323 INFO kablam! Oct 27 04:02:09.353 INFO kablam! warning: unused variable: `num` Oct 27 04:02:09.353 INFO kablam! --> src/main.rs:8:9 Oct 27 04:02:09.353 INFO kablam! | Oct 27 04:02:09.353 INFO kablam! 8 | let num = 10; Oct 27 04:02:09.353 INFO kablam! | ^^^ help: consider using `_num` instead Oct 27 04:02:09.353 INFO kablam! | Oct 27 04:02:09.353 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 27 04:02:09.353 INFO kablam! Oct 27 04:02:09.353 INFO kablam! warning: unused variable: `f_name` Oct 27 04:02:09.353 INFO kablam! --> src/main.rs:34:10 Oct 27 04:02:09.353 INFO kablam! | Oct 27 04:02:09.353 INFO kablam! 34 | let (f_name, l_name) = ("Derek", "Banas"); Oct 27 04:02:09.353 INFO kablam! | ^^^^^^ help: consider using `_f_name` instead Oct 27 04:02:09.353 INFO kablam! Oct 27 04:02:09.353 INFO kablam! warning: unused variable: `l_name` Oct 27 04:02:09.353 INFO kablam! --> src/main.rs:34:18 Oct 27 04:02:09.353 INFO kablam! | Oct 27 04:02:09.353 INFO kablam! 34 | let (f_name, l_name) = ("Derek", "Banas"); Oct 27 04:02:09.353 INFO kablam! | ^^^^^^ help: consider using `_l_name` instead Oct 27 04:02:09.353 INFO kablam! Oct 27 04:02:09.353 INFO kablam! warning: unused variable: `count` Oct 27 04:02:09.353 INFO kablam! --> src/main.rs:116:9 Oct 27 04:02:09.353 INFO kablam! | Oct 27 04:02:09.353 INFO kablam! 116 | let count = rand_string.chars().count(); Oct 27 04:02:09.353 INFO kablam! | ^^^^^ help: consider using `_count` instead Oct 27 04:02:09.353 INFO kablam! Oct 27 04:02:09.396 INFO kablam! warning: variable does not need to be mutable Oct 27 04:02:09.396 INFO kablam! --> src/main.rs:10:9 Oct 27 04:02:09.396 INFO kablam! | Oct 27 04:02:09.396 INFO kablam! 10 | let mut age: i32 = 40; Oct 27 04:02:09.396 INFO kablam! | ----^^^ Oct 27 04:02:09.396 INFO kablam! | | Oct 27 04:02:09.396 INFO kablam! | help: remove this `mut` Oct 27 04:02:09.397 INFO kablam! | Oct 27 04:02:09.398 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 27 04:02:09.398 INFO kablam! Oct 27 04:02:09.398 INFO kablam! warning: variable does not need to be mutable Oct 27 04:02:09.398 INFO kablam! --> src/main.rs:52:9 Oct 27 04:02:09.398 INFO kablam! | Oct 27 04:02:09.398 INFO kablam! 52 | let mut neg_4 = -4i32; Oct 27 04:02:09.398 INFO kablam! | ----^^^^^ Oct 27 04:02:09.398 INFO kablam! | | Oct 27 04:02:09.398 INFO kablam! | help: remove this `mut` Oct 27 04:02:09.398 INFO kablam! Oct 27 04:02:09.513 INFO kablam! warning: unused variable: `num` Oct 27 04:02:09.513 INFO kablam! --> src/main.rs:8:9 Oct 27 04:02:09.513 INFO kablam! | Oct 27 04:02:09.513 INFO kablam! 8 | let num = 10; Oct 27 04:02:09.513 INFO kablam! | ^^^ help: consider using `_num` instead Oct 27 04:02:09.513 INFO kablam! | Oct 27 04:02:09.513 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 27 04:02:09.513 INFO kablam! Oct 27 04:02:09.513 INFO kablam! warning: unused variable: `f_name` Oct 27 04:02:09.513 INFO kablam! --> src/main.rs:34:10 Oct 27 04:02:09.513 INFO kablam! | Oct 27 04:02:09.513 INFO kablam! 34 | let (f_name, l_name) = ("Derek", "Banas"); Oct 27 04:02:09.513 INFO kablam! | ^^^^^^ help: consider using `_f_name` instead Oct 27 04:02:09.513 INFO kablam! Oct 27 04:02:09.513 INFO kablam! warning: unused variable: `l_name` Oct 27 04:02:09.513 INFO kablam! --> src/main.rs:34:18 Oct 27 04:02:09.513 INFO kablam! | Oct 27 04:02:09.513 INFO kablam! 34 | let (f_name, l_name) = ("Derek", "Banas"); Oct 27 04:02:09.513 INFO kablam! | ^^^^^^ help: consider using `_l_name` instead Oct 27 04:02:09.513 INFO kablam! Oct 27 04:02:09.513 INFO kablam! warning: unused variable: `count` Oct 27 04:02:09.513 INFO kablam! --> src/main.rs:116:9 Oct 27 04:02:09.513 INFO kablam! | Oct 27 04:02:09.513 INFO kablam! 116 | let count = rand_string.chars().count(); Oct 27 04:02:09.513 INFO kablam! | ^^^^^ help: consider using `_count` instead Oct 27 04:02:09.513 INFO kablam! Oct 27 04:02:09.543 INFO kablam! warning: variable does not need to be mutable Oct 27 04:02:09.543 INFO kablam! --> src/main.rs:10:9 Oct 27 04:02:09.543 INFO kablam! | Oct 27 04:02:09.543 INFO kablam! 10 | let mut age: i32 = 40; Oct 27 04:02:09.543 INFO kablam! | ----^^^ Oct 27 04:02:09.543 INFO kablam! | | Oct 27 04:02:09.543 INFO kablam! | help: remove this `mut` Oct 27 04:02:09.543 INFO kablam! | Oct 27 04:02:09.543 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 27 04:02:09.543 INFO kablam! Oct 27 04:02:09.543 INFO kablam! warning: variable does not need to be mutable Oct 27 04:02:09.543 INFO kablam! --> src/main.rs:52:9 Oct 27 04:02:09.543 INFO kablam! | Oct 27 04:02:09.543 INFO kablam! 52 | let mut neg_4 = -4i32; Oct 27 04:02:09.543 INFO kablam! | ----^^^^^ Oct 27 04:02:09.543 INFO kablam! | | Oct 27 04:02:09.543 INFO kablam! | help: remove this `mut` Oct 27 04:02:09.543 INFO kablam! Oct 27 04:02:09.559 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.88s Oct 27 04:02:09.559 INFO kablam! su: No module specific data is present Oct 27 04:02:10.053 INFO running `"docker" "rm" "-f" "cd717f4dca8bae2751dcb29fd61a07c2d77894fe2f95351f1d0adf692fcd5a1d"` Oct 27 04:02:10.487 INFO blam! cd717f4dca8bae2751dcb29fd61a07c2d77894fe2f95351f1d0adf692fcd5a1d