Nov 02 13:47:36.537 INFO checking halcyon/rust_tut against try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7 for pr-55517
Nov 02 13:47:36.539 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55517/worker-1/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55517/try#dc8b02d6f1e93f212fc39844ea688b634b4a03c7:/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 +dc8b02d6f1e93f212fc39844ea688b634b4a03c7-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 02 13:47:37.008 INFO blam! ff349a1eaaedfc723984ac9ce372ec6a4a3d77297073adbeff89394670ce14d7
Nov 02 13:47:37.010 INFO running `"docker" "start" "-a" "ff349a1eaaedfc723984ac9ce372ec6a4a3d77297073adbeff89394670ce14d7"`
Nov 02 13:47:38.198 INFO kablam! usermod: no changes
Nov 02 13:47:38.288 INFO kablam!     Checking rust_tut v0.1.0 (/source)
Nov 02 13:47:39.032 INFO kablam! warning: unused imports: `u16`, `u32`, `u64`, `u8`
Nov 02 13:47:39.032 INFO kablam!  --> src/main.rs:1:30
Nov 02 13:47:39.032 INFO kablam!   |
Nov 02 13:47:39.032 INFO kablam! 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64};
Nov 02 13:47:39.032 INFO kablam!   |                              ^^  ^^^  ^^^  ^^^
Nov 02 13:47:39.032 INFO kablam!   |
Nov 02 13:47:39.032 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 13:47:39.032 INFO kablam! 
Nov 02 13:47:39.032 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 02 13:47:39.032 INFO kablam!   --> src/main.rs:62:8
Nov 02 13:47:39.032 INFO kablam!    |
Nov 02 13:47:39.032 INFO kablam! 62 |     if (age_old == 5) {
Nov 02 13:47:39.032 INFO kablam!    |        ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 13:47:39.032 INFO kablam!    |
Nov 02 13:47:39.032 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 02 13:47:39.032 INFO kablam! 
Nov 02 13:47:39.032 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 02 13:47:39.032 INFO kablam!   --> src/main.rs:78:23
Nov 02 13:47:39.032 INFO kablam!    |
Nov 02 13:47:39.032 INFO kablam! 78 |     let can_vote = if (age_old >= 18) { true } else { false };
Nov 02 13:47:39.032 INFO kablam!    |                       ^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 13:47:39.032 INFO kablam! 
Nov 02 13:47:39.032 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 02 13:47:39.032 INFO kablam!   --> src/main.rs:85:12
Nov 02 13:47:39.032 INFO kablam!    |
Nov 02 13:47:39.032 INFO kablam! 85 |         if ((x % 2) == 0) {
Nov 02 13:47:39.032 INFO kablam!    |            ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 13:47:39.032 INFO kablam! 
Nov 02 13:47:39.032 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 02 13:47:39.032 INFO kablam!   --> src/main.rs:90:12
Nov 02 13:47:39.032 INFO kablam!    |
Nov 02 13:47:39.032 INFO kablam! 90 |         if (x > 10) {
Nov 02 13:47:39.032 INFO kablam!    |            ^^^^^^^^ help: remove these parentheses
Nov 02 13:47:39.032 INFO kablam! 
Nov 02 13:47:39.140 INFO kablam! warning: unused imports: `u16`, `u32`, `u64`, `u8`
Nov 02 13:47:39.140 INFO kablam!  --> src/main.rs:1:30
Nov 02 13:47:39.140 INFO kablam!   |
Nov 02 13:47:39.140 INFO kablam! 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64};
Nov 02 13:47:39.140 INFO kablam!   |                              ^^  ^^^  ^^^  ^^^
Nov 02 13:47:39.140 INFO kablam!   |
Nov 02 13:47:39.140 INFO kablam!   = note: #[warn(unused_imports)] on by default
Nov 02 13:47:39.140 INFO kablam! 
Nov 02 13:47:39.141 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 02 13:47:39.141 INFO kablam!   --> src/main.rs:62:8
Nov 02 13:47:39.141 INFO kablam!    |
Nov 02 13:47:39.141 INFO kablam! 62 |     if (age_old == 5) {
Nov 02 13:47:39.141 INFO kablam!    |        ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 13:47:39.141 INFO kablam!    |
Nov 02 13:47:39.141 INFO kablam!    = note: #[warn(unused_parens)] on by default
Nov 02 13:47:39.141 INFO kablam! 
Nov 02 13:47:39.141 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 02 13:47:39.141 INFO kablam!   --> src/main.rs:78:23
Nov 02 13:47:39.141 INFO kablam!    |
Nov 02 13:47:39.141 INFO kablam! 78 |     let can_vote = if (age_old >= 18) { true } else { false };
Nov 02 13:47:39.141 INFO kablam!    |                       ^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 13:47:39.141 INFO kablam! 
Nov 02 13:47:39.141 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 02 13:47:39.141 INFO kablam!   --> src/main.rs:85:12
Nov 02 13:47:39.141 INFO kablam!    |
Nov 02 13:47:39.141 INFO kablam! 85 |         if ((x % 2) == 0) {
Nov 02 13:47:39.141 INFO kablam!    |            ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 02 13:47:39.141 INFO kablam! 
Nov 02 13:47:39.141 INFO kablam! warning: unnecessary parentheses around `if` condition
Nov 02 13:47:39.141 INFO kablam!   --> src/main.rs:90:12
Nov 02 13:47:39.141 INFO kablam!    |
Nov 02 13:47:39.141 INFO kablam! 90 |         if (x > 10) {
Nov 02 13:47:39.141 INFO kablam!    |            ^^^^^^^^ help: remove these parentheses
Nov 02 13:47:39.141 INFO kablam! 
Nov 02 13:47:39.300 INFO kablam! warning: unused variable: `num`
Nov 02 13:47:39.300 INFO kablam!  --> src/main.rs:8:9
Nov 02 13:47:39.300 INFO kablam!   |
Nov 02 13:47:39.300 INFO kablam! 8 |     let num = 10;
Nov 02 13:47:39.301 INFO kablam!   |         ^^^ help: consider using `_num` instead
Nov 02 13:47:39.301 INFO kablam!   |
Nov 02 13:47:39.301 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 02 13:47:39.301 INFO kablam! 
Nov 02 13:47:39.301 INFO kablam! warning: unused variable: `f_name`
Nov 02 13:47:39.301 INFO kablam!   --> src/main.rs:34:10
Nov 02 13:47:39.301 INFO kablam!    |
Nov 02 13:47:39.301 INFO kablam! 34 |     let (f_name, l_name) = ("Derek", "Banas");
Nov 02 13:47:39.301 INFO kablam!    |          ^^^^^^ help: consider using `_f_name` instead
Nov 02 13:47:39.301 INFO kablam! 
Nov 02 13:47:39.301 INFO kablam! warning: unused variable: `l_name`
Nov 02 13:47:39.301 INFO kablam!   --> src/main.rs:34:18
Nov 02 13:47:39.301 INFO kablam!    |
Nov 02 13:47:39.301 INFO kablam! 34 |     let (f_name, l_name) = ("Derek", "Banas");
Nov 02 13:47:39.301 INFO kablam!    |                  ^^^^^^ help: consider using `_l_name` instead
Nov 02 13:47:39.301 INFO kablam! 
Nov 02 13:47:39.301 INFO kablam! warning: unused variable: `count`
Nov 02 13:47:39.301 INFO kablam!    --> src/main.rs:116:9
Nov 02 13:47:39.301 INFO kablam!     |
Nov 02 13:47:39.301 INFO kablam! 116 |     let count = rand_string.chars().count();
Nov 02 13:47:39.301 INFO kablam!     |         ^^^^^ help: consider using `_count` instead
Nov 02 13:47:39.301 INFO kablam! 
Nov 02 13:47:39.356 INFO kablam! warning: variable does not need to be mutable
Nov 02 13:47:39.356 INFO kablam!   --> src/main.rs:10:9
Nov 02 13:47:39.356 INFO kablam!    |
Nov 02 13:47:39.356 INFO kablam! 10 |     let mut age: i32 = 40;
Nov 02 13:47:39.356 INFO kablam!    |         ----^^^
Nov 02 13:47:39.356 INFO kablam!    |         |
Nov 02 13:47:39.356 INFO kablam!    |         help: remove this `mut`
Nov 02 13:47:39.364 INFO kablam!    |
Nov 02 13:47:39.364 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 13:47:39.364 INFO kablam! 
Nov 02 13:47:39.364 INFO kablam! warning: variable does not need to be mutable
Nov 02 13:47:39.364 INFO kablam!   --> src/main.rs:52:9
Nov 02 13:47:39.364 INFO kablam!    |
Nov 02 13:47:39.364 INFO kablam! 52 |     let mut neg_4 = -4i32;
Nov 02 13:47:39.364 INFO kablam!    |         ----^^^^^
Nov 02 13:47:39.364 INFO kablam!    |         |
Nov 02 13:47:39.364 INFO kablam!    |         help: remove this `mut`
Nov 02 13:47:39.404 INFO kablam! 
Nov 02 13:47:39.460 INFO kablam! warning: unused variable: `num`
Nov 02 13:47:39.460 INFO kablam!  --> src/main.rs:8:9
Nov 02 13:47:39.460 INFO kablam!   |
Nov 02 13:47:39.460 INFO kablam! 8 |     let num = 10;
Nov 02 13:47:39.460 INFO kablam!   |         ^^^ help: consider using `_num` instead
Nov 02 13:47:39.460 INFO kablam!   |
Nov 02 13:47:39.460 INFO kablam!   = note: #[warn(unused_variables)] on by default
Nov 02 13:47:39.460 INFO kablam! 
Nov 02 13:47:39.460 INFO kablam! warning: unused variable: `f_name`
Nov 02 13:47:39.460 INFO kablam!   --> src/main.rs:34:10
Nov 02 13:47:39.460 INFO kablam!    |
Nov 02 13:47:39.460 INFO kablam! 34 |     let (f_name, l_name) = ("Derek", "Banas");
Nov 02 13:47:39.460 INFO kablam!    |          ^^^^^^ help: consider using `_f_name` instead
Nov 02 13:47:39.460 INFO kablam! 
Nov 02 13:47:39.460 INFO kablam! warning: unused variable: `l_name`
Nov 02 13:47:39.460 INFO kablam!   --> src/main.rs:34:18
Nov 02 13:47:39.460 INFO kablam!    |
Nov 02 13:47:39.460 INFO kablam! 34 |     let (f_name, l_name) = ("Derek", "Banas");
Nov 02 13:47:39.461 INFO kablam!    |                  ^^^^^^ help: consider using `_l_name` instead
Nov 02 13:47:39.461 INFO kablam! 
Nov 02 13:47:39.461 INFO kablam! warning: unused variable: `count`
Nov 02 13:47:39.461 INFO kablam!    --> src/main.rs:116:9
Nov 02 13:47:39.468 INFO kablam!     |
Nov 02 13:47:39.468 INFO kablam! 116 |     let count = rand_string.chars().count();
Nov 02 13:47:39.468 INFO kablam!     |         ^^^^^ help: consider using `_count` instead
Nov 02 13:47:39.468 INFO kablam! 
Nov 02 13:47:39.536 INFO kablam! warning: variable does not need to be mutable
Nov 02 13:47:39.536 INFO kablam!   --> src/main.rs:10:9
Nov 02 13:47:39.536 INFO kablam!    |
Nov 02 13:47:39.536 INFO kablam! 10 |     let mut age: i32 = 40;
Nov 02 13:47:39.536 INFO kablam!    |         ----^^^
Nov 02 13:47:39.536 INFO kablam!    |         |
Nov 02 13:47:39.536 INFO kablam!    |         help: remove this `mut`
Nov 02 13:47:39.536 INFO kablam!    |
Nov 02 13:47:39.536 INFO kablam!    = note: #[warn(unused_mut)] on by default
Nov 02 13:47:39.536 INFO kablam! 
Nov 02 13:47:39.536 INFO kablam! warning: variable does not need to be mutable
Nov 02 13:47:39.536 INFO kablam!   --> src/main.rs:52:9
Nov 02 13:47:39.536 INFO kablam!    |
Nov 02 13:47:39.536 INFO kablam! 52 |     let mut neg_4 = -4i32;
Nov 02 13:47:39.536 INFO kablam!    |         ----^^^^^
Nov 02 13:47:39.536 INFO kablam!    |         |
Nov 02 13:47:39.536 INFO kablam!    |         help: remove this `mut`
Nov 02 13:47:39.536 INFO kablam! 
Nov 02 13:47:39.544 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Nov 02 13:47:39.547 INFO kablam! su: No module specific data is present
Nov 02 13:47:40.248 INFO running `"docker" "rm" "-f" "ff349a1eaaedfc723984ac9ce372ec6a4a3d77297073adbeff89394670ce14d7"`
Nov 02 13:47:40.653 INFO blam! ff349a1eaaedfc723984ac9ce372ec6a4a3d77297073adbeff89394670ce14d7