Nov 17 01:37:12.796 INFO testing halcyon/rust_tut against master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c for pr-55982
Nov 17 01:37:12.796 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 01:37:13.321 INFO [stdout] b46756178d3438e1459243f9ca7a5ef8e7afb2e663ea3d9fa1658949ef98a8d2
Nov 17 01:37:13.329 INFO running `"docker" "start" "-a" "b46756178d3438e1459243f9ca7a5ef8e7afb2e663ea3d9fa1658949ef98a8d2"`
Nov 17 01:37:14.479 INFO [stderr] usermod: no changes
Nov 17 01:37:14.535 INFO [stderr]    Compiling rust_tut v0.1.0 (/source)
Nov 17 01:37:14.923 INFO [stderr] warning: unused imports: `u16`, `u32`, `u64`, `u8`
Nov 17 01:37:14.923 INFO [stderr]  --> src/main.rs:1:30
Nov 17 01:37:14.923 INFO [stderr]   |
Nov 17 01:37:14.923 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64};
Nov 17 01:37:14.923 INFO [stderr]   |                              ^^  ^^^  ^^^  ^^^
Nov 17 01:37:14.923 INFO [stderr]   |
Nov 17 01:37:14.923 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 01:37:14.923 INFO [stderr] 
Nov 17 01:37:14.935 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 01:37:14.935 INFO [stderr]   --> src/main.rs:62:8
Nov 17 01:37:14.935 INFO [stderr]    |
Nov 17 01:37:14.935 INFO [stderr] 62 |     if (age_old == 5) {
Nov 17 01:37:14.935 INFO [stderr]    |        ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 01:37:14.935 INFO [stderr]    |
Nov 17 01:37:14.935 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 17 01:37:14.935 INFO [stderr] 
Nov 17 01:37:14.935 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 01:37:14.935 INFO [stderr]   --> src/main.rs:78:23
Nov 17 01:37:14.935 INFO [stderr]    |
Nov 17 01:37:14.935 INFO [stderr] 78 |     let can_vote = if (age_old >= 18) { true } else { false };
Nov 17 01:37:14.935 INFO [stderr]    |                       ^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 01:37:14.935 INFO [stderr] 
Nov 17 01:37:14.935 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 01:37:14.935 INFO [stderr]   --> src/main.rs:85:12
Nov 17 01:37:14.935 INFO [stderr]    |
Nov 17 01:37:14.935 INFO [stderr] 85 |         if ((x % 2) == 0) {
Nov 17 01:37:14.935 INFO [stderr]    |            ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 01:37:14.935 INFO [stderr] 
Nov 17 01:37:14.935 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 01:37:14.935 INFO [stderr]   --> src/main.rs:90:12
Nov 17 01:37:14.935 INFO [stderr]    |
Nov 17 01:37:14.935 INFO [stderr] 90 |         if (x > 10) {
Nov 17 01:37:14.935 INFO [stderr]    |            ^^^^^^^^ help: remove these parentheses
Nov 17 01:37:14.935 INFO [stderr] 
Nov 17 01:37:15.087 INFO [stderr] warning: unused variable: `num`
Nov 17 01:37:15.087 INFO [stderr]  --> src/main.rs:8:9
Nov 17 01:37:15.087 INFO [stderr]   |
Nov 17 01:37:15.087 INFO [stderr] 8 |     let num = 10;
Nov 17 01:37:15.087 INFO [stderr]   |         ^^^ help: consider using `_num` instead
Nov 17 01:37:15.087 INFO [stderr]   |
Nov 17 01:37:15.087 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 01:37:15.087 INFO [stderr] 
Nov 17 01:37:15.087 INFO [stderr] warning: unused variable: `f_name`
Nov 17 01:37:15.087 INFO [stderr]   --> src/main.rs:34:10
Nov 17 01:37:15.087 INFO [stderr]    |
Nov 17 01:37:15.087 INFO [stderr] 34 |     let (f_name, l_name) = ("Derek", "Banas");
Nov 17 01:37:15.087 INFO [stderr]    |          ^^^^^^ help: consider using `_f_name` instead
Nov 17 01:37:15.087 INFO [stderr] 
Nov 17 01:37:15.087 INFO [stderr] warning: unused variable: `l_name`
Nov 17 01:37:15.087 INFO [stderr]   --> src/main.rs:34:18
Nov 17 01:37:15.087 INFO [stderr]    |
Nov 17 01:37:15.087 INFO [stderr] 34 |     let (f_name, l_name) = ("Derek", "Banas");
Nov 17 01:37:15.087 INFO [stderr]    |                  ^^^^^^ help: consider using `_l_name` instead
Nov 17 01:37:15.087 INFO [stderr] 
Nov 17 01:37:15.087 INFO [stderr] warning: unused variable: `count`
Nov 17 01:37:15.087 INFO [stderr]    --> src/main.rs:116:9
Nov 17 01:37:15.087 INFO [stderr]     |
Nov 17 01:37:15.087 INFO [stderr] 116 |     let count = rand_string.chars().count();
Nov 17 01:37:15.087 INFO [stderr]     |         ^^^^^ help: consider using `_count` instead
Nov 17 01:37:15.087 INFO [stderr] 
Nov 17 01:37:15.131 INFO [stderr] warning: variable does not need to be mutable
Nov 17 01:37:15.131 INFO [stderr]   --> src/main.rs:10:9
Nov 17 01:37:15.131 INFO [stderr]    |
Nov 17 01:37:15.131 INFO [stderr] 10 |     let mut age: i32 = 40;
Nov 17 01:37:15.131 INFO [stderr]    |         ----^^^
Nov 17 01:37:15.131 INFO [stderr]    |         |
Nov 17 01:37:15.131 INFO [stderr]    |         help: remove this `mut`
Nov 17 01:37:15.131 INFO [stderr]    |
Nov 17 01:37:15.131 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 01:37:15.131 INFO [stderr] 
Nov 17 01:37:15.131 INFO [stderr] warning: variable does not need to be mutable
Nov 17 01:37:15.131 INFO [stderr]   --> src/main.rs:52:9
Nov 17 01:37:15.131 INFO [stderr]    |
Nov 17 01:37:15.131 INFO [stderr] 52 |     let mut neg_4 = -4i32;
Nov 17 01:37:15.131 INFO [stderr]    |         ----^^^^^
Nov 17 01:37:15.131 INFO [stderr]    |         |
Nov 17 01:37:15.131 INFO [stderr]    |         help: remove this `mut`
Nov 17 01:37:15.131 INFO [stderr] 
Nov 17 01:37:16.070 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
Nov 17 01:37:16.075 INFO [stderr] su: No module specific data is present
Nov 17 01:37:17.153 INFO running `"docker" "inspect" "b46756178d3438e1459243f9ca7a5ef8e7afb2e663ea3d9fa1658949ef98a8d2"`
Nov 17 01:37:17.391 INFO running `"docker" "rm" "-f" "b46756178d3438e1459243f9ca7a5ef8e7afb2e663ea3d9fa1658949ef98a8d2"`
Nov 17 01:37:17.805 INFO [stdout] b46756178d3438e1459243f9ca7a5ef8e7afb2e663ea3d9fa1658949ef98a8d2
Nov 17 01:37:17.808 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 01:37:18.236 INFO [stdout] 46dddb52c20970ba82c7db9163e60a7ab6328fa8f9b77457a16b2c20f153cfaa
Nov 17 01:37:18.236 INFO running `"docker" "start" "-a" "46dddb52c20970ba82c7db9163e60a7ab6328fa8f9b77457a16b2c20f153cfaa"`
Nov 17 01:37:19.268 INFO [stderr] usermod: no changes
Nov 17 01:37:19.323 INFO [stderr]    Compiling rust_tut v0.1.0 (/source)
Nov 17 01:37:19.647 INFO [stderr] warning: unused imports: `u16`, `u32`, `u64`, `u8`
Nov 17 01:37:19.647 INFO [stderr]  --> src/main.rs:1:30
Nov 17 01:37:19.647 INFO [stderr]   |
Nov 17 01:37:19.647 INFO [stderr] 1 | use std::{i8, i16, i32, i64, u8, u16, u32, u64, isize, usize, f32, f64};
Nov 17 01:37:19.647 INFO [stderr]   |                              ^^  ^^^  ^^^  ^^^
Nov 17 01:37:19.647 INFO [stderr]   |
Nov 17 01:37:19.647 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 01:37:19.647 INFO [stderr] 
Nov 17 01:37:19.653 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 01:37:19.653 INFO [stderr]   --> src/main.rs:62:8
Nov 17 01:37:19.653 INFO [stderr]    |
Nov 17 01:37:19.653 INFO [stderr] 62 |     if (age_old == 5) {
Nov 17 01:37:19.653 INFO [stderr]    |        ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 01:37:19.653 INFO [stderr]    |
Nov 17 01:37:19.653 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 17 01:37:19.653 INFO [stderr] 
Nov 17 01:37:19.653 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 01:37:19.653 INFO [stderr]   --> src/main.rs:78:23
Nov 17 01:37:19.653 INFO [stderr]    |
Nov 17 01:37:19.653 INFO [stderr] 78 |     let can_vote = if (age_old >= 18) { true } else { false };
Nov 17 01:37:19.653 INFO [stderr]    |                       ^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 01:37:19.653 INFO [stderr] 
Nov 17 01:37:19.653 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 01:37:19.653 INFO [stderr]   --> src/main.rs:85:12
Nov 17 01:37:19.653 INFO [stderr]    |
Nov 17 01:37:19.653 INFO [stderr] 85 |         if ((x % 2) == 0) {
Nov 17 01:37:19.653 INFO [stderr]    |            ^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 01:37:19.653 INFO [stderr] 
Nov 17 01:37:19.653 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 01:37:19.653 INFO [stderr]   --> src/main.rs:90:12
Nov 17 01:37:19.653 INFO [stderr]    |
Nov 17 01:37:19.653 INFO [stderr] 90 |         if (x > 10) {
Nov 17 01:37:19.653 INFO [stderr]    |            ^^^^^^^^ help: remove these parentheses
Nov 17 01:37:19.653 INFO [stderr] 
Nov 17 01:37:19.800 INFO [stderr] warning: unused variable: `num`
Nov 17 01:37:19.800 INFO [stderr]  --> src/main.rs:8:9
Nov 17 01:37:19.800 INFO [stderr]   |
Nov 17 01:37:19.800 INFO [stderr] 8 |     let num = 10;
Nov 17 01:37:19.800 INFO [stderr]   |         ^^^ help: consider using `_num` instead
Nov 17 01:37:19.800 INFO [stderr]   |
Nov 17 01:37:19.800 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Nov 17 01:37:19.800 INFO [stderr] 
Nov 17 01:37:19.800 INFO [stderr] warning: unused variable: `f_name`
Nov 17 01:37:19.800 INFO [stderr]   --> src/main.rs:34:10
Nov 17 01:37:19.800 INFO [stderr]    |
Nov 17 01:37:19.800 INFO [stderr] 34 |     let (f_name, l_name) = ("Derek", "Banas");
Nov 17 01:37:19.800 INFO [stderr]    |          ^^^^^^ help: consider using `_f_name` instead
Nov 17 01:37:19.800 INFO [stderr] 
Nov 17 01:37:19.800 INFO [stderr] warning: unused variable: `l_name`
Nov 17 01:37:19.800 INFO [stderr]   --> src/main.rs:34:18
Nov 17 01:37:19.800 INFO [stderr]    |
Nov 17 01:37:19.800 INFO [stderr] 34 |     let (f_name, l_name) = ("Derek", "Banas");
Nov 17 01:37:19.800 INFO [stderr]    |                  ^^^^^^ help: consider using `_l_name` instead
Nov 17 01:37:19.800 INFO [stderr] 
Nov 17 01:37:19.800 INFO [stderr] warning: unused variable: `count`
Nov 17 01:37:19.800 INFO [stderr]    --> src/main.rs:116:9
Nov 17 01:37:19.800 INFO [stderr]     |
Nov 17 01:37:19.800 INFO [stderr] 116 |     let count = rand_string.chars().count();
Nov 17 01:37:19.800 INFO [stderr]     |         ^^^^^ help: consider using `_count` instead
Nov 17 01:37:19.800 INFO [stderr] 
Nov 17 01:37:19.834 INFO [stderr] warning: variable does not need to be mutable
Nov 17 01:37:19.834 INFO [stderr]   --> src/main.rs:10:9
Nov 17 01:37:19.834 INFO [stderr]    |
Nov 17 01:37:19.834 INFO [stderr] 10 |     let mut age: i32 = 40;
Nov 17 01:37:19.834 INFO [stderr]    |         ----^^^
Nov 17 01:37:19.834 INFO [stderr]    |         |
Nov 17 01:37:19.834 INFO [stderr]    |         help: remove this `mut`
Nov 17 01:37:19.834 INFO [stderr]    |
Nov 17 01:37:19.834 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 17 01:37:19.834 INFO [stderr] 
Nov 17 01:37:19.834 INFO [stderr] warning: variable does not need to be mutable
Nov 17 01:37:19.834 INFO [stderr]   --> src/main.rs:52:9
Nov 17 01:37:19.834 INFO [stderr]    |
Nov 17 01:37:19.834 INFO [stderr] 52 |     let mut neg_4 = -4i32;
Nov 17 01:37:19.834 INFO [stderr]    |         ----^^^^^
Nov 17 01:37:19.834 INFO [stderr]    |         |
Nov 17 01:37:19.834 INFO [stderr]    |         help: remove this `mut`
Nov 17 01:37:19.834 INFO [stderr] 
Nov 17 01:37:20.176 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
Nov 17 01:37:20.187 INFO [stderr] su: No module specific data is present
Nov 17 01:37:20.653 INFO running `"docker" "inspect" "46dddb52c20970ba82c7db9163e60a7ab6328fa8f9b77457a16b2c20f153cfaa"`
Nov 17 01:37:20.911 INFO running `"docker" "rm" "-f" "46dddb52c20970ba82c7db9163e60a7ab6328fa8f9b77457a16b2c20f153cfaa"`
Nov 17 01:37:21.184 INFO [stdout] 46dddb52c20970ba82c7db9163e60a7ab6328fa8f9b77457a16b2c20f153cfaa
Nov 17 01:37:21.189 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-5/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-55982/master#6b9b97bd9b704f85f0184f7a213cc4d62bd9654c:/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 +6b9b97bd9b704f85f0184f7a213cc4d62bd9654c-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"`
Nov 17 01:37:21.679 INFO [stdout] c07101c360574bc1070433f2a1ad611fc5267e13b2a5bb8df07eea5786c46690
Nov 17 01:37:21.684 INFO running `"docker" "start" "-a" "c07101c360574bc1070433f2a1ad611fc5267e13b2a5bb8df07eea5786c46690"`
Nov 17 01:37:22.768 INFO [stderr] usermod: no changes
Nov 17 01:37:22.822 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Nov 17 01:37:22.835 INFO [stderr]      Running /target/debug/deps/rust_tut-3728f3badfa2b4b1
Nov 17 01:37:22.851 INFO [stderr] su: No module specific data is present
Nov 17 01:37:22.851 INFO [stdout] 
Nov 17 01:37:22.851 INFO [stdout] running 0 tests
Nov 17 01:37:22.851 INFO [stdout] 
Nov 17 01:37:22.851 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Nov 17 01:37:22.851 INFO [stdout] 
Nov 17 01:37:23.823 INFO running `"docker" "inspect" "c07101c360574bc1070433f2a1ad611fc5267e13b2a5bb8df07eea5786c46690"`
Nov 17 01:37:24.105 INFO running `"docker" "rm" "-f" "c07101c360574bc1070433f2a1ad611fc5267e13b2a5bb8df07eea5786c46690"`
Nov 17 01:37:24.559 INFO [stdout] c07101c360574bc1070433f2a1ad611fc5267e13b2a5bb8df07eea5786c46690