Dec 05 22:03:59.505 INFO testing halcyon/rust_tut against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 22:03:59.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt build --frozen" "-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"`
Dec 05 22:03:59.765 INFO [stdout] 7461c388428d6015ccc36fad6f34fcd29c540973224a697f755b89c74aa49498
Dec 05 22:03:59.767 INFO running `"docker" "start" "-a" "7461c388428d6015ccc36fad6f34fcd29c540973224a697f755b89c74aa49498"`
Dec 05 22:04:00.139 INFO [stderr] usermod: no changes
Dec 05 22:04:00.165 INFO [stderr]    Compiling rust_tut v0.1.0 (/source)
Dec 05 22:04:00.424 INFO [stderr] warning: unused imports: `u16`, `u32`, `u64`, `u8`
Dec 05 22:04:00.424 INFO [stderr]  --> src/main.rs:1:30
Dec 05 22:04:00.424 INFO [stderr]   |
Dec 05 22:04:00.424 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64};
Dec 05 22:04:00.424 INFO [stderr]   |                              ^^  ^^^  ^^^  ^^^
Dec 05 22:04:00.424 INFO [stderr]   |
Dec 05 22:04:00.424 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 22:04:00.424 INFO [stderr] 
Dec 05 22:04:00.424 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 05 22:04:00.424 INFO [stderr]   --> src/main.rs:62:8
Dec 05 22:04:00.424 INFO [stderr]    |
Dec 05 22:04:00.424 INFO [stderr] 62 |     if (age_old == 5) {
Dec 05 22:04:00.424 INFO [stderr]    |        ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 22:04:00.424 INFO [stderr]    |
Dec 05 22:04:00.424 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 05 22:04:00.424 INFO [stderr] 
Dec 05 22:04:00.424 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 05 22:04:00.425 INFO [stderr]   --> src/main.rs:78:23
Dec 05 22:04:00.425 INFO [stderr]    |
Dec 05 22:04:00.425 INFO [stderr] 78 |     let can_vote = if (age_old >= 18) { true } else { false };
Dec 05 22:04:00.425 INFO [stderr]    |                       ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 22:04:00.425 INFO [stderr] 
Dec 05 22:04:00.425 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 05 22:04:00.425 INFO [stderr]   --> src/main.rs:85:12
Dec 05 22:04:00.425 INFO [stderr]    |
Dec 05 22:04:00.425 INFO [stderr] 85 |         if ((x % 2) == 0) {
Dec 05 22:04:00.425 INFO [stderr]    |            ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 22:04:00.425 INFO [stderr] 
Dec 05 22:04:00.425 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 05 22:04:00.425 INFO [stderr]   --> src/main.rs:90:12
Dec 05 22:04:00.425 INFO [stderr]    |
Dec 05 22:04:00.425 INFO [stderr] 90 |         if (x > 10) {
Dec 05 22:04:00.425 INFO [stderr]    |            ^^^^^^^^ help: remove these parentheses
Dec 05 22:04:00.425 INFO [stderr] 
Dec 05 22:04:00.558 INFO [stderr] warning: unused variable: `num`
Dec 05 22:04:00.558 INFO [stderr]  --> src/main.rs:8:9
Dec 05 22:04:00.558 INFO [stderr]   |
Dec 05 22:04:00.558 INFO [stderr] 8 |     let num = 10;
Dec 05 22:04:00.558 INFO [stderr]   |         ^^^ help: consider using `_num` instead
Dec 05 22:04:00.558 INFO [stderr]   |
Dec 05 22:04:00.558 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 22:04:00.558 INFO [stderr] 
Dec 05 22:04:00.558 INFO [stderr] warning: unused variable: `f_name`
Dec 05 22:04:00.558 INFO [stderr]   --> src/main.rs:34:10
Dec 05 22:04:00.558 INFO [stderr]    |
Dec 05 22:04:00.558 INFO [stderr] 34 |     let (f_name, l_name) = ("Derek", "Banas");
Dec 05 22:04:00.558 INFO [stderr]    |          ^^^^^^ help: consider using `_f_name` instead
Dec 05 22:04:00.558 INFO [stderr] 
Dec 05 22:04:00.558 INFO [stderr] warning: unused variable: `l_name`
Dec 05 22:04:00.558 INFO [stderr]   --> src/main.rs:34:18
Dec 05 22:04:00.558 INFO [stderr]    |
Dec 05 22:04:00.558 INFO [stderr] 34 |     let (f_name, l_name) = ("Derek", "Banas");
Dec 05 22:04:00.558 INFO [stderr]    |                  ^^^^^^ help: consider using `_l_name` instead
Dec 05 22:04:00.558 INFO [stderr] 
Dec 05 22:04:00.558 INFO [stderr] warning: unused variable: `count`
Dec 05 22:04:00.558 INFO [stderr]    --> src/main.rs:116:9
Dec 05 22:04:00.558 INFO [stderr]     |
Dec 05 22:04:00.558 INFO [stderr] 116 |     let count = rand_string.chars().count();
Dec 05 22:04:00.558 INFO [stderr]     |         ^^^^^ help: consider using `_count` instead
Dec 05 22:04:00.558 INFO [stderr] 
Dec 05 22:04:00.592 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:04:00.592 INFO [stderr]   --> src/main.rs:10:9
Dec 05 22:04:00.592 INFO [stderr]    |
Dec 05 22:04:00.592 INFO [stderr] 10 |     let mut age: i32 = 40;
Dec 05 22:04:00.592 INFO [stderr]    |         ----^^^
Dec 05 22:04:00.592 INFO [stderr]    |         |
Dec 05 22:04:00.592 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:04:00.592 INFO [stderr]    |
Dec 05 22:04:00.592 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 22:04:00.592 INFO [stderr] 
Dec 05 22:04:00.592 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:04:00.592 INFO [stderr]   --> src/main.rs:52:9
Dec 05 22:04:00.592 INFO [stderr]    |
Dec 05 22:04:00.592 INFO [stderr] 52 |     let mut neg_4 = -4i32;
Dec 05 22:04:00.592 INFO [stderr]    |         ----^^^^^
Dec 05 22:04:00.592 INFO [stderr]    |         |
Dec 05 22:04:00.592 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:04:00.592 INFO [stderr] 
Dec 05 22:04:01.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 05 22:04:01.092 INFO [stderr] su: No module specific data is present
Dec 05 22:04:01.518 INFO running `"docker" "inspect" "7461c388428d6015ccc36fad6f34fcd29c540973224a697f755b89c74aa49498"`
Dec 05 22:04:01.855 INFO running `"docker" "rm" "-f" "7461c388428d6015ccc36fad6f34fcd29c540973224a697f755b89c74aa49498"`
Dec 05 22:04:02.172 INFO [stdout] 7461c388428d6015ccc36fad6f34fcd29c540973224a697f755b89c74aa49498
Dec 05 22:04:02.174 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen --no-run" "-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"`
Dec 05 22:04:02.632 INFO [stdout] 0b9ed78295491bac715a263391f4edc541132941212aec41875c1690d8be2631
Dec 05 22:04:02.634 INFO running `"docker" "start" "-a" "0b9ed78295491bac715a263391f4edc541132941212aec41875c1690d8be2631"`
Dec 05 22:04:03.797 INFO [stderr] usermod: no changes
Dec 05 22:04:03.876 INFO [stderr]    Compiling rust_tut v0.1.0 (/source)
Dec 05 22:04:04.282 INFO [stderr] warning: unused imports: `u16`, `u32`, `u64`, `u8`
Dec 05 22:04:04.282 INFO [stderr]  --> src/main.rs:1:30
Dec 05 22:04:04.282 INFO [stderr]   |
Dec 05 22:04:04.282 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64};
Dec 05 22:04:04.282 INFO [stderr]   |                              ^^  ^^^  ^^^  ^^^
Dec 05 22:04:04.282 INFO [stderr]   |
Dec 05 22:04:04.282 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 22:04:04.282 INFO [stderr] 
Dec 05 22:04:04.282 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 05 22:04:04.282 INFO [stderr]   --> src/main.rs:62:8
Dec 05 22:04:04.282 INFO [stderr]    |
Dec 05 22:04:04.282 INFO [stderr] 62 |     if (age_old == 5) {
Dec 05 22:04:04.282 INFO [stderr]    |        ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 22:04:04.282 INFO [stderr]    |
Dec 05 22:04:04.282 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Dec 05 22:04:04.282 INFO [stderr] 
Dec 05 22:04:04.282 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 05 22:04:04.282 INFO [stderr]   --> src/main.rs:78:23
Dec 05 22:04:04.282 INFO [stderr]    |
Dec 05 22:04:04.282 INFO [stderr] 78 |     let can_vote = if (age_old >= 18) { true } else { false };
Dec 05 22:04:04.282 INFO [stderr]    |                       ^^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 22:04:04.282 INFO [stderr] 
Dec 05 22:04:04.282 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 05 22:04:04.282 INFO [stderr]   --> src/main.rs:85:12
Dec 05 22:04:04.282 INFO [stderr]    |
Dec 05 22:04:04.282 INFO [stderr] 85 |         if ((x % 2) == 0) {
Dec 05 22:04:04.282 INFO [stderr]    |            ^^^^^^^^^^^^^^ help: remove these parentheses
Dec 05 22:04:04.282 INFO [stderr] 
Dec 05 22:04:04.282 INFO [stderr] warning: unnecessary parentheses around `if` condition
Dec 05 22:04:04.282 INFO [stderr]   --> src/main.rs:90:12
Dec 05 22:04:04.282 INFO [stderr]    |
Dec 05 22:04:04.282 INFO [stderr] 90 |         if (x > 10) {
Dec 05 22:04:04.282 INFO [stderr]    |            ^^^^^^^^ help: remove these parentheses
Dec 05 22:04:04.282 INFO [stderr] 
Dec 05 22:04:04.413 INFO [stderr] warning: unused variable: `num`
Dec 05 22:04:04.413 INFO [stderr]  --> src/main.rs:8:9
Dec 05 22:04:04.413 INFO [stderr]   |
Dec 05 22:04:04.413 INFO [stderr] 8 |     let num = 10;
Dec 05 22:04:04.413 INFO [stderr]   |         ^^^ help: consider using `_num` instead
Dec 05 22:04:04.413 INFO [stderr]   |
Dec 05 22:04:04.413 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 22:04:04.413 INFO [stderr] 
Dec 05 22:04:04.413 INFO [stderr] warning: unused variable: `f_name`
Dec 05 22:04:04.413 INFO [stderr]   --> src/main.rs:34:10
Dec 05 22:04:04.413 INFO [stderr]    |
Dec 05 22:04:04.413 INFO [stderr] 34 |     let (f_name, l_name) = ("Derek", "Banas");
Dec 05 22:04:04.413 INFO [stderr]    |          ^^^^^^ help: consider using `_f_name` instead
Dec 05 22:04:04.413 INFO [stderr] 
Dec 05 22:04:04.413 INFO [stderr] warning: unused variable: `l_name`
Dec 05 22:04:04.413 INFO [stderr]   --> src/main.rs:34:18
Dec 05 22:04:04.413 INFO [stderr]    |
Dec 05 22:04:04.413 INFO [stderr] 34 |     let (f_name, l_name) = ("Derek", "Banas");
Dec 05 22:04:04.413 INFO [stderr]    |                  ^^^^^^ help: consider using `_l_name` instead
Dec 05 22:04:04.413 INFO [stderr] 
Dec 05 22:04:04.413 INFO [stderr] warning: unused variable: `count`
Dec 05 22:04:04.413 INFO [stderr]    --> src/main.rs:116:9
Dec 05 22:04:04.413 INFO [stderr]     |
Dec 05 22:04:04.413 INFO [stderr] 116 |     let count = rand_string.chars().count();
Dec 05 22:04:04.413 INFO [stderr]     |         ^^^^^ help: consider using `_count` instead
Dec 05 22:04:04.413 INFO [stderr] 
Dec 05 22:04:04.449 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:04:04.449 INFO [stderr]   --> src/main.rs:10:9
Dec 05 22:04:04.449 INFO [stderr]    |
Dec 05 22:04:04.449 INFO [stderr] 10 |     let mut age: i32 = 40;
Dec 05 22:04:04.449 INFO [stderr]    |         ----^^^
Dec 05 22:04:04.449 INFO [stderr]    |         |
Dec 05 22:04:04.449 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:04:04.449 INFO [stderr]    |
Dec 05 22:04:04.449 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 22:04:04.450 INFO [stderr] 
Dec 05 22:04:04.450 INFO [stderr] warning: variable does not need to be mutable
Dec 05 22:04:04.450 INFO [stderr]   --> src/main.rs:52:9
Dec 05 22:04:04.450 INFO [stderr]    |
Dec 05 22:04:04.450 INFO [stderr] 52 |     let mut neg_4 = -4i32;
Dec 05 22:04:04.450 INFO [stderr]    |         ----^^^^^
Dec 05 22:04:04.450 INFO [stderr]    |         |
Dec 05 22:04:04.450 INFO [stderr]    |         help: remove this `mut`
Dec 05 22:04:04.450 INFO [stderr] 
Dec 05 22:04:04.752 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 05 22:04:04.756 INFO [stderr] su: No module specific data is present
Dec 05 22:04:05.785 INFO running `"docker" "inspect" "0b9ed78295491bac715a263391f4edc541132941212aec41875c1690d8be2631"`
Dec 05 22:04:06.182 INFO running `"docker" "rm" "-f" "0b9ed78295491bac715a263391f4edc541132941212aec41875c1690d8be2631"`
Dec 05 22:04:06.532 INFO [stdout] 0b9ed78295491bac715a263391f4edc541132941212aec41875c1690d8be2631
Dec 05 22:04:06.534 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-alt test --frozen" "-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"`
Dec 05 22:04:06.937 INFO [stdout] 409a03bbd8b154c94010c0db014befb9a9bcea534520631297789a02aee527bb
Dec 05 22:04:06.939 INFO running `"docker" "start" "-a" "409a03bbd8b154c94010c0db014befb9a9bcea534520631297789a02aee527bb"`
Dec 05 22:04:08.060 INFO [stderr] usermod: no changes
Dec 05 22:04:08.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 05 22:04:08.137 INFO [stderr]      Running /target/debug/deps/rust_tut-b037cb8ea2c5e5b1
Dec 05 22:04:08.141 INFO [stdout] 
Dec 05 22:04:08.141 INFO [stdout] running 0 tests
Dec 05 22:04:08.141 INFO [stdout] 
Dec 05 22:04:08.141 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 22:04:08.141 INFO [stdout] 
Dec 05 22:04:08.145 INFO [stderr] su: No module specific data is present
Dec 05 22:04:09.061 INFO running `"docker" "inspect" "409a03bbd8b154c94010c0db014befb9a9bcea534520631297789a02aee527bb"`
Dec 05 22:04:09.358 INFO running `"docker" "rm" "-f" "409a03bbd8b154c94010c0db014befb9a9bcea534520631297789a02aee527bb"`
Dec 05 22:04:09.664 INFO [stdout] 409a03bbd8b154c94010c0db014befb9a9bcea534520631297789a02aee527bb