Dec 04 16:03:44.064 INFO checking kaseiaoki/roar against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:03:44.064 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 04 16:03:44.605 INFO [stdout] 972eaea1206d3f073047550995e8882dfe012782fb550a0ed071e74327e61b0c
Dec 04 16:03:44.607 INFO running `"docker" "start" "-a" "972eaea1206d3f073047550995e8882dfe012782fb550a0ed071e74327e61b0c"`
Dec 04 16:03:46.798 INFO [stderr] usermod: no changes
Dec 04 16:03:46.891 INFO [stderr]     Checking roar v0.1.0 (/source)
Dec 04 16:03:47.571 INFO [stderr] warning: unused import: `std::io`
Dec 04 16:03:47.571 INFO [stderr]  --> src/main.rs:1:5
Dec 04 16:03:47.571 INFO [stderr]   |
Dec 04 16:03:47.571 INFO [stderr] 1 | use std::io;
Dec 04 16:03:47.571 INFO [stderr]   |     ^^^^^^^
Dec 04 16:03:47.571 INFO [stderr]   |
Dec 04 16:03:47.571 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:03:47.571 INFO [stderr] 
Dec 04 16:03:47.571 INFO [stderr] warning: unused import: `std::string::String`
Dec 04 16:03:47.571 INFO [stderr]  --> src/main.rs:2:5
Dec 04 16:03:47.571 INFO [stderr]   |
Dec 04 16:03:47.571 INFO [stderr] 2 | use std::string::String;
Dec 04 16:03:47.571 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:03:47.571 INFO [stderr] 
Dec 04 16:03:47.571 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 16:03:47.571 INFO [stderr]  --> src/main.rs:3:5
Dec 04 16:03:47.571 INFO [stderr]   |
Dec 04 16:03:47.571 INFO [stderr] 3 | use std::io::prelude::*;
Dec 04 16:03:47.571 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:03:47.571 INFO [stderr] 
Dec 04 16:03:47.571 INFO [stderr] warning: unused import: `std::env`
Dec 04 16:03:47.571 INFO [stderr]  --> src/main.rs:4:5
Dec 04 16:03:47.571 INFO [stderr]   |
Dec 04 16:03:47.571 INFO [stderr] 4 | use std::env;
Dec 04 16:03:47.571 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:03:47.571 INFO [stderr] 
Dec 04 16:03:47.571 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 04 16:03:47.571 INFO [stderr]  --> src/main.rs:5:5
Dec 04 16:03:47.571 INFO [stderr]   |
Dec 04 16:03:47.571 INFO [stderr] 5 | use std::vec::Vec;
Dec 04 16:03:47.571 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 16:03:47.571 INFO [stderr] 
Dec 04 16:03:47.571 INFO [stderr] warning: unused import: `std::process`
Dec 04 16:03:47.571 INFO [stderr]  --> src/main.rs:7:5
Dec 04 16:03:47.571 INFO [stderr]   |
Dec 04 16:03:47.571 INFO [stderr] 7 | use std::process;
Dec 04 16:03:47.571 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 04 16:03:47.571 INFO [stderr] 
Dec 04 16:03:47.571 INFO [stderr] warning: unused import: `std::mem`
Dec 04 16:03:47.571 INFO [stderr]  --> src/main.rs:8:5
Dec 04 16:03:47.571 INFO [stderr]   |
Dec 04 16:03:47.571 INFO [stderr] 8 | use std::mem;
Dec 04 16:03:47.571 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:03:47.571 INFO [stderr] 
Dec 04 16:03:47.579 INFO [stderr] warning: unused import: `std::io`
Dec 04 16:03:47.579 INFO [stderr]  --> src/main.rs:1:5
Dec 04 16:03:47.579 INFO [stderr]   |
Dec 04 16:03:47.579 INFO [stderr] 1 | use std::io;
Dec 04 16:03:47.579 INFO [stderr]   |     ^^^^^^^
Dec 04 16:03:47.579 INFO [stderr]   |
Dec 04 16:03:47.579 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:03:47.579 INFO [stderr] 
Dec 04 16:03:47.579 INFO [stderr] warning: unused import: `std::string::String`
Dec 04 16:03:47.579 INFO [stderr]  --> src/main.rs:2:5
Dec 04 16:03:47.579 INFO [stderr]   |
Dec 04 16:03:47.579 INFO [stderr] 2 | use std::string::String;
Dec 04 16:03:47.579 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:03:47.579 INFO [stderr] 
Dec 04 16:03:47.579 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 16:03:47.579 INFO [stderr]  --> src/main.rs:3:5
Dec 04 16:03:47.579 INFO [stderr]   |
Dec 04 16:03:47.579 INFO [stderr] 3 | use std::io::prelude::*;
Dec 04 16:03:47.579 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 16:03:47.579 INFO [stderr] 
Dec 04 16:03:47.579 INFO [stderr] warning: unused import: `std::env`
Dec 04 16:03:47.579 INFO [stderr]  --> src/main.rs:4:5
Dec 04 16:03:47.579 INFO [stderr]   |
Dec 04 16:03:47.579 INFO [stderr] 4 | use std::env;
Dec 04 16:03:47.579 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:03:47.579 INFO [stderr] 
Dec 04 16:03:47.579 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 04 16:03:47.579 INFO [stderr]  --> src/main.rs:5:5
Dec 04 16:03:47.579 INFO [stderr]   |
Dec 04 16:03:47.579 INFO [stderr] 5 | use std::vec::Vec;
Dec 04 16:03:47.579 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 04 16:03:47.579 INFO [stderr] 
Dec 04 16:03:47.579 INFO [stderr] warning: unused import: `std::process`
Dec 04 16:03:47.579 INFO [stderr]  --> src/main.rs:7:5
Dec 04 16:03:47.579 INFO [stderr]   |
Dec 04 16:03:47.579 INFO [stderr] 7 | use std::process;
Dec 04 16:03:47.579 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 04 16:03:47.579 INFO [stderr] 
Dec 04 16:03:47.579 INFO [stderr] warning: unused import: `std::mem`
Dec 04 16:03:47.579 INFO [stderr]  --> src/main.rs:8:5
Dec 04 16:03:47.579 INFO [stderr]   |
Dec 04 16:03:47.579 INFO [stderr] 8 | use std::mem;
Dec 04 16:03:47.579 INFO [stderr]   |     ^^^^^^^^
Dec 04 16:03:47.579 INFO [stderr] 
Dec 04 16:03:47.591 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 04 16:03:47.591 INFO [stderr]   --> src/main.rs:14:5
Dec 04 16:03:47.591 INFO [stderr]    |
Dec 04 16:03:47.591 INFO [stderr] 14 |     thread::sleep_ms(3);
Dec 04 16:03:47.591 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 16:03:47.591 INFO [stderr]    |
Dec 04 16:03:47.591 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 04 16:03:47.591 INFO [stderr] 
Dec 04 16:03:47.607 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 04 16:03:47.607 INFO [stderr]   --> src/main.rs:14:5
Dec 04 16:03:47.607 INFO [stderr]    |
Dec 04 16:03:47.607 INFO [stderr] 14 |     thread::sleep_ms(3);
Dec 04 16:03:47.607 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 16:03:47.607 INFO [stderr]    |
Dec 04 16:03:47.607 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 04 16:03:47.607 INFO [stderr] 
Dec 04 16:03:47.623 INFO [stderr] warning: unused variable: `rng`
Dec 04 16:03:47.623 INFO [stderr]   --> src/main.rs:16:9
Dec 04 16:03:47.623 INFO [stderr]    |
Dec 04 16:03:47.623 INFO [stderr] 16 | fn roar(rng: u32) {
Dec 04 16:03:47.623 INFO [stderr]    |         ^^^ help: consider using `_rng` instead
Dec 04 16:03:47.623 INFO [stderr]    |
Dec 04 16:03:47.623 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:03:47.623 INFO [stderr] 
Dec 04 16:03:47.631 INFO [stderr] warning: variable does not need to be mutable
Dec 04 16:03:47.631 INFO [stderr]   --> src/main.rs:31:9
Dec 04 16:03:47.631 INFO [stderr]    |
Dec 04 16:03:47.631 INFO [stderr] 31 |     let mut rng = rand::thread_rng().gen_range(1, 71);
Dec 04 16:03:47.631 INFO [stderr]    |         ----^^^
Dec 04 16:03:47.631 INFO [stderr]    |         |
Dec 04 16:03:47.631 INFO [stderr]    |         help: remove this `mut`
Dec 04 16:03:47.631 INFO [stderr]    |
Dec 04 16:03:47.631 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 16:03:47.631 INFO [stderr] 
Dec 04 16:03:47.631 INFO [stderr] warning: variable `Em` should have a snake case name such as `em`
Dec 04 16:03:47.631 INFO [stderr]   --> src/main.rs:17:9
Dec 04 16:03:47.631 INFO [stderr]    |
Dec 04 16:03:47.631 INFO [stderr] 17 |     let Em = [
Dec 04 16:03:47.631 INFO [stderr]    |         ^^
Dec 04 16:03:47.631 INFO [stderr]    |
Dec 04 16:03:47.631 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 16:03:47.631 INFO [stderr] 
Dec 04 16:03:47.719 INFO [stderr] warning: unused variable: `rng`
Dec 04 16:03:47.719 INFO [stderr]   --> src/main.rs:16:9
Dec 04 16:03:47.719 INFO [stderr]    |
Dec 04 16:03:47.719 INFO [stderr] 16 | fn roar(rng: u32) {
Dec 04 16:03:47.719 INFO [stderr]    |         ^^^ help: consider using `_rng` instead
Dec 04 16:03:47.719 INFO [stderr]    |
Dec 04 16:03:47.719 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 16:03:47.719 INFO [stderr] 
Dec 04 16:03:47.739 INFO [stderr] warning: variable does not need to be mutable
Dec 04 16:03:47.739 INFO [stderr]   --> src/main.rs:31:9
Dec 04 16:03:47.739 INFO [stderr]    |
Dec 04 16:03:47.739 INFO [stderr] 31 |     let mut rng = rand::thread_rng().gen_range(1, 71);
Dec 04 16:03:47.739 INFO [stderr]    |         ----^^^
Dec 04 16:03:47.739 INFO [stderr]    |         |
Dec 04 16:03:47.739 INFO [stderr]    |         help: remove this `mut`
Dec 04 16:03:47.739 INFO [stderr]    |
Dec 04 16:03:47.739 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 04 16:03:47.739 INFO [stderr] 
Dec 04 16:03:47.739 INFO [stderr] warning: variable `Em` should have a snake case name such as `em`
Dec 04 16:03:47.739 INFO [stderr]   --> src/main.rs:17:9
Dec 04 16:03:47.739 INFO [stderr]    |
Dec 04 16:03:47.739 INFO [stderr] 17 |     let Em = [
Dec 04 16:03:47.739 INFO [stderr]    |         ^^
Dec 04 16:03:47.739 INFO [stderr]    |
Dec 04 16:03:47.739 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 04 16:03:47.739 INFO [stderr] 
Dec 04 16:03:47.771 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
Dec 04 16:03:47.771 INFO [stderr] su: No module specific data is present
Dec 04 16:03:48.987 INFO running `"docker" "inspect" "972eaea1206d3f073047550995e8882dfe012782fb550a0ed071e74327e61b0c"`
Dec 04 16:03:49.353 INFO running `"docker" "rm" "-f" "972eaea1206d3f073047550995e8882dfe012782fb550a0ed071e74327e61b0c"`
Dec 04 16:03:49.683 INFO [stdout] 972eaea1206d3f073047550995e8882dfe012782fb550a0ed071e74327e61b0c