Nov 30 00:19:39.712 INFO checking kaseiaoki/roar against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 00:19:39.712 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 30 00:19:40.264 INFO [stdout] ece3c93a1d2f1c3469724e653592efbab2d80343153c807b17245e26f649ea2c
Nov 30 00:19:40.266 INFO running `"docker" "start" "-a" "ece3c93a1d2f1c3469724e653592efbab2d80343153c807b17245e26f649ea2c"`
Nov 30 00:19:42.112 INFO [stderr] usermod: no changes
Nov 30 00:19:42.184 INFO [stderr]     Checking roar v0.1.0 (/source)
Nov 30 00:19:42.754 INFO [stderr] warning: unused import: `std::io`
Nov 30 00:19:42.754 INFO [stderr]  --> src/main.rs:1:5
Nov 30 00:19:42.754 INFO [stderr]   |
Nov 30 00:19:42.754 INFO [stderr] 1 | use std::io;
Nov 30 00:19:42.754 INFO [stderr]   |     ^^^^^^^
Nov 30 00:19:42.754 INFO [stderr]   |
Nov 30 00:19:42.754 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:19:42.754 INFO [stderr] 
Nov 30 00:19:42.754 INFO [stderr] warning: unused import: `std::string::String`
Nov 30 00:19:42.754 INFO [stderr]  --> src/main.rs:2:5
Nov 30 00:19:42.754 INFO [stderr]   |
Nov 30 00:19:42.754 INFO [stderr] 2 | use std::string::String;
Nov 30 00:19:42.754 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 00:19:42.754 INFO [stderr] 
Nov 30 00:19:42.755 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 30 00:19:42.755 INFO [stderr]  --> src/main.rs:3:5
Nov 30 00:19:42.755 INFO [stderr]   |
Nov 30 00:19:42.755 INFO [stderr] 3 | use std::io::prelude::*;
Nov 30 00:19:42.755 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 00:19:42.755 INFO [stderr] 
Nov 30 00:19:42.755 INFO [stderr] warning: unused import: `std::env`
Nov 30 00:19:42.755 INFO [stderr]  --> src/main.rs:4:5
Nov 30 00:19:42.755 INFO [stderr]   |
Nov 30 00:19:42.756 INFO [stderr] 4 | use std::env;
Nov 30 00:19:42.756 INFO [stderr]   |     ^^^^^^^^
Nov 30 00:19:42.756 INFO [stderr] 
Nov 30 00:19:42.756 INFO [stderr] warning: unused import: `std::vec::Vec`
Nov 30 00:19:42.756 INFO [stderr]  --> src/main.rs:5:5
Nov 30 00:19:42.756 INFO [stderr]   |
Nov 30 00:19:42.756 INFO [stderr] 5 | use std::vec::Vec;
Nov 30 00:19:42.756 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 00:19:42.756 INFO [stderr] 
Nov 30 00:19:42.756 INFO [stderr] warning: unused import: `std::process`
Nov 30 00:19:42.756 INFO [stderr]  --> src/main.rs:7:5
Nov 30 00:19:42.756 INFO [stderr]   |
Nov 30 00:19:42.756 INFO [stderr] 7 | use std::process;
Nov 30 00:19:42.756 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 00:19:42.756 INFO [stderr] 
Nov 30 00:19:42.756 INFO [stderr] warning: unused import: `std::mem`
Nov 30 00:19:42.756 INFO [stderr]  --> src/main.rs:8:5
Nov 30 00:19:42.756 INFO [stderr]   |
Nov 30 00:19:42.756 INFO [stderr] 8 | use std::mem;
Nov 30 00:19:42.756 INFO [stderr]   |     ^^^^^^^^
Nov 30 00:19:42.756 INFO [stderr] 
Nov 30 00:19:42.786 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Nov 30 00:19:42.786 INFO [stderr]   --> src/main.rs:14:5
Nov 30 00:19:42.786 INFO [stderr]    |
Nov 30 00:19:42.786 INFO [stderr] 14 |     thread::sleep_ms(3);
Nov 30 00:19:42.786 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 00:19:42.787 INFO [stderr]    |
Nov 30 00:19:42.787 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 30 00:19:42.787 INFO [stderr] 
Nov 30 00:19:42.844 INFO [stderr] warning: unused import: `std::io`
Nov 30 00:19:42.844 INFO [stderr]  --> src/main.rs:1:5
Nov 30 00:19:42.844 INFO [stderr]   |
Nov 30 00:19:42.844 INFO [stderr] 1 | use std::io;
Nov 30 00:19:42.844 INFO [stderr]   |     ^^^^^^^
Nov 30 00:19:42.844 INFO [stderr]   |
Nov 30 00:19:42.845 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:19:42.845 INFO [stderr] 
Nov 30 00:19:42.845 INFO [stderr] warning: unused import: `std::string::String`
Nov 30 00:19:42.845 INFO [stderr]  --> src/main.rs:2:5
Nov 30 00:19:42.845 INFO [stderr]   |
Nov 30 00:19:42.845 INFO [stderr] 2 | use std::string::String;
Nov 30 00:19:42.845 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 00:19:42.845 INFO [stderr] 
Nov 30 00:19:42.845 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 30 00:19:42.845 INFO [stderr]  --> src/main.rs:3:5
Nov 30 00:19:42.845 INFO [stderr]   |
Nov 30 00:19:42.845 INFO [stderr] 3 | use std::io::prelude::*;
Nov 30 00:19:42.845 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 00:19:42.845 INFO [stderr] 
Nov 30 00:19:42.845 INFO [stderr] warning: unused import: `std::env`
Nov 30 00:19:42.845 INFO [stderr]  --> src/main.rs:4:5
Nov 30 00:19:42.845 INFO [stderr]   |
Nov 30 00:19:42.845 INFO [stderr] 4 | use std::env;
Nov 30 00:19:42.845 INFO [stderr]   |     ^^^^^^^^
Nov 30 00:19:42.845 INFO [stderr] 
Nov 30 00:19:42.845 INFO [stderr] warning: unused import: `std::vec::Vec`
Nov 30 00:19:42.845 INFO [stderr]  --> src/main.rs:5:5
Nov 30 00:19:42.845 INFO [stderr]   |
Nov 30 00:19:42.845 INFO [stderr] 5 | use std::vec::Vec;
Nov 30 00:19:42.845 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 00:19:42.845 INFO [stderr] 
Nov 30 00:19:42.845 INFO [stderr] warning: unused import: `std::process`
Nov 30 00:19:42.845 INFO [stderr]  --> src/main.rs:7:5
Nov 30 00:19:42.845 INFO [stderr]   |
Nov 30 00:19:42.845 INFO [stderr] 7 | use std::process;
Nov 30 00:19:42.845 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 30 00:19:42.845 INFO [stderr] 
Nov 30 00:19:42.845 INFO [stderr] warning: unused import: `std::mem`
Nov 30 00:19:42.845 INFO [stderr]  --> src/main.rs:8:5
Nov 30 00:19:42.845 INFO [stderr]   |
Nov 30 00:19:42.846 INFO [stderr] 8 | use std::mem;
Nov 30 00:19:42.846 INFO [stderr]   |     ^^^^^^^^
Nov 30 00:19:42.846 INFO [stderr] 
Nov 30 00:19:42.860 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Nov 30 00:19:42.860 INFO [stderr]   --> src/main.rs:14:5
Nov 30 00:19:42.860 INFO [stderr]    |
Nov 30 00:19:42.860 INFO [stderr] 14 |     thread::sleep_ms(3);
Nov 30 00:19:42.860 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 30 00:19:42.860 INFO [stderr]    |
Nov 30 00:19:42.860 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 30 00:19:42.861 INFO [stderr] 
Nov 30 00:19:42.883 INFO [stderr] warning: unused variable: `rng`
Nov 30 00:19:42.884 INFO [stderr]   --> src/main.rs:16:9
Nov 30 00:19:42.884 INFO [stderr]    |
Nov 30 00:19:42.884 INFO [stderr] 16 | fn roar(rng: u32) {
Nov 30 00:19:42.884 INFO [stderr]    |         ^^^ help: consider using `_rng` instead
Nov 30 00:19:42.884 INFO [stderr]    |
Nov 30 00:19:42.884 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:19:42.884 INFO [stderr] 
Nov 30 00:19:42.904 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:19:42.904 INFO [stderr]   --> src/main.rs:31:9
Nov 30 00:19:42.904 INFO [stderr]    |
Nov 30 00:19:42.904 INFO [stderr] 31 |     let mut rng = rand::thread_rng().gen_range(1, 71);
Nov 30 00:19:42.905 INFO [stderr]    |         ----^^^
Nov 30 00:19:42.905 INFO [stderr]    |         |
Nov 30 00:19:42.905 INFO [stderr]    |         help: remove this `mut`
Nov 30 00:19:42.905 INFO [stderr]    |
Nov 30 00:19:42.905 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:19:42.905 INFO [stderr] 
Nov 30 00:19:42.905 INFO [stderr] warning: variable `Em` should have a snake case name such as `em`
Nov 30 00:19:42.905 INFO [stderr]   --> src/main.rs:17:9
Nov 30 00:19:42.905 INFO [stderr]    |
Nov 30 00:19:42.905 INFO [stderr] 17 |     let Em = [
Nov 30 00:19:42.905 INFO [stderr]    |         ^^
Nov 30 00:19:42.905 INFO [stderr]    |
Nov 30 00:19:42.905 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 30 00:19:42.905 INFO [stderr] 
Nov 30 00:19:42.916 INFO [stderr] warning: unused variable: `rng`
Nov 30 00:19:42.916 INFO [stderr]   --> src/main.rs:16:9
Nov 30 00:19:42.916 INFO [stderr]    |
Nov 30 00:19:42.916 INFO [stderr] 16 | fn roar(rng: u32) {
Nov 30 00:19:42.916 INFO [stderr]    |         ^^^ help: consider using `_rng` instead
Nov 30 00:19:42.916 INFO [stderr]    |
Nov 30 00:19:42.917 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 00:19:42.917 INFO [stderr] 
Nov 30 00:19:42.928 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:19:42.928 INFO [stderr]   --> src/main.rs:31:9
Nov 30 00:19:42.928 INFO [stderr]    |
Nov 30 00:19:42.928 INFO [stderr] 31 |     let mut rng = rand::thread_rng().gen_range(1, 71);
Nov 30 00:19:42.928 INFO [stderr]    |         ----^^^
Nov 30 00:19:42.928 INFO [stderr]    |         |
Nov 30 00:19:42.928 INFO [stderr]    |         help: remove this `mut`
Nov 30 00:19:42.930 INFO [stderr]    |
Nov 30 00:19:42.930 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:19:42.930 INFO [stderr] 
Nov 30 00:19:42.930 INFO [stderr] warning: variable `Em` should have a snake case name such as `em`
Nov 30 00:19:42.931 INFO [stderr]   --> src/main.rs:17:9
Nov 30 00:19:42.931 INFO [stderr]    |
Nov 30 00:19:42.931 INFO [stderr] 17 |     let Em = [
Nov 30 00:19:42.931 INFO [stderr]    |         ^^
Nov 30 00:19:42.931 INFO [stderr]    |
Nov 30 00:19:42.931 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 30 00:19:42.931 INFO [stderr] 
Nov 30 00:19:42.952 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Nov 30 00:19:42.955 INFO [stderr] su: No module specific data is present
Nov 30 00:19:44.367 INFO running `"docker" "inspect" "ece3c93a1d2f1c3469724e653592efbab2d80343153c807b17245e26f649ea2c"`
Nov 30 00:19:44.662 INFO running `"docker" "rm" "-f" "ece3c93a1d2f1c3469724e653592efbab2d80343153c807b17245e26f649ea2c"`
Nov 30 00:19:45.000 INFO [stdout] ece3c93a1d2f1c3469724e653592efbab2d80343153c807b17245e26f649ea2c