Nov 28 02:43:47.715 INFO checking kaseiaoki/roar against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 02:43:47.716 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-7/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 02:43:48.156 INFO [stdout] 9d7d9b3631719fac8c4fc1ea9eb3a9653027236856a2781d3f9b37a6593be588
Nov 28 02:43:48.162 INFO running `"docker" "start" "-a" "9d7d9b3631719fac8c4fc1ea9eb3a9653027236856a2781d3f9b37a6593be588"`
Nov 28 02:43:49.537 INFO [stderr] usermod: no changes
Nov 28 02:43:49.616 INFO [stderr]     Checking roar v0.1.0 (/source)
Nov 28 02:43:50.332 INFO [stderr] warning: unused import: `std::io`
Nov 28 02:43:50.332 INFO [stderr]  --> src/main.rs:1:5
Nov 28 02:43:50.332 INFO [stderr]   |
Nov 28 02:43:50.332 INFO [stderr] 1 | use std::io;
Nov 28 02:43:50.332 INFO [stderr]   |     ^^^^^^^
Nov 28 02:43:50.332 INFO [stderr]   |
Nov 28 02:43:50.332 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 02:43:50.332 INFO [stderr] 
Nov 28 02:43:50.332 INFO [stderr] warning: unused import: `std::string::String`
Nov 28 02:43:50.332 INFO [stderr]  --> src/main.rs:2:5
Nov 28 02:43:50.332 INFO [stderr]   |
Nov 28 02:43:50.332 INFO [stderr] 2 | use std::string::String;
Nov 28 02:43:50.332 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 02:43:50.332 INFO [stderr] 
Nov 28 02:43:50.332 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 28 02:43:50.332 INFO [stderr]  --> src/main.rs:3:5
Nov 28 02:43:50.333 INFO [stderr]   |
Nov 28 02:43:50.333 INFO [stderr] 3 | use std::io::prelude::*;
Nov 28 02:43:50.333 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 02:43:50.333 INFO [stderr] 
Nov 28 02:43:50.333 INFO [stderr] warning: unused import: `std::env`
Nov 28 02:43:50.333 INFO [stderr]  --> src/main.rs:4:5
Nov 28 02:43:50.333 INFO [stderr]   |
Nov 28 02:43:50.333 INFO [stderr] 4 | use std::env;
Nov 28 02:43:50.333 INFO [stderr]   |     ^^^^^^^^
Nov 28 02:43:50.333 INFO [stderr] 
Nov 28 02:43:50.333 INFO [stderr] warning: unused import: `std::vec::Vec`
Nov 28 02:43:50.333 INFO [stderr]  --> src/main.rs:5:5
Nov 28 02:43:50.333 INFO [stderr]   |
Nov 28 02:43:50.333 INFO [stderr] 5 | use std::vec::Vec;
Nov 28 02:43:50.333 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 02:43:50.333 INFO [stderr] 
Nov 28 02:43:50.333 INFO [stderr] warning: unused import: `std::process`
Nov 28 02:43:50.333 INFO [stderr]  --> src/main.rs:7:5
Nov 28 02:43:50.333 INFO [stderr]   |
Nov 28 02:43:50.333 INFO [stderr] 7 | use std::process;
Nov 28 02:43:50.333 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 02:43:50.333 INFO [stderr] 
Nov 28 02:43:50.333 INFO [stderr] warning: unused import: `std::mem`
Nov 28 02:43:50.333 INFO [stderr]  --> src/main.rs:8:5
Nov 28 02:43:50.333 INFO [stderr]   |
Nov 28 02:43:50.333 INFO [stderr] 8 | use std::mem;
Nov 28 02:43:50.333 INFO [stderr]   |     ^^^^^^^^
Nov 28 02:43:50.333 INFO [stderr] 
Nov 28 02:43:50.360 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Nov 28 02:43:50.360 INFO [stderr]   --> src/main.rs:14:5
Nov 28 02:43:50.360 INFO [stderr]    |
Nov 28 02:43:50.360 INFO [stderr] 14 |     thread::sleep_ms(3);
Nov 28 02:43:50.360 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 28 02:43:50.360 INFO [stderr]    |
Nov 28 02:43:50.360 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 28 02:43:50.360 INFO [stderr] 
Nov 28 02:43:50.420 INFO [stderr] warning: unused import: `std::io`
Nov 28 02:43:50.420 INFO [stderr]  --> src/main.rs:1:5
Nov 28 02:43:50.420 INFO [stderr]   |
Nov 28 02:43:50.420 INFO [stderr] 1 | use std::io;
Nov 28 02:43:50.420 INFO [stderr]   |     ^^^^^^^
Nov 28 02:43:50.420 INFO [stderr]   |
Nov 28 02:43:50.420 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 02:43:50.420 INFO [stderr] 
Nov 28 02:43:50.420 INFO [stderr] warning: unused import: `std::string::String`
Nov 28 02:43:50.420 INFO [stderr]  --> src/main.rs:2:5
Nov 28 02:43:50.420 INFO [stderr]   |
Nov 28 02:43:50.420 INFO [stderr] 2 | use std::string::String;
Nov 28 02:43:50.420 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 02:43:50.420 INFO [stderr] 
Nov 28 02:43:50.420 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 28 02:43:50.420 INFO [stderr]  --> src/main.rs:3:5
Nov 28 02:43:50.420 INFO [stderr]   |
Nov 28 02:43:50.420 INFO [stderr] 3 | use std::io::prelude::*;
Nov 28 02:43:50.420 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 28 02:43:50.420 INFO [stderr] 
Nov 28 02:43:50.420 INFO [stderr] warning: unused import: `std::env`
Nov 28 02:43:50.421 INFO [stderr]  --> src/main.rs:4:5
Nov 28 02:43:50.421 INFO [stderr]   |
Nov 28 02:43:50.421 INFO [stderr] 4 | use std::env;
Nov 28 02:43:50.421 INFO [stderr]   |     ^^^^^^^^
Nov 28 02:43:50.421 INFO [stderr] 
Nov 28 02:43:50.421 INFO [stderr] warning: unused import: `std::vec::Vec`
Nov 28 02:43:50.421 INFO [stderr]  --> src/main.rs:5:5
Nov 28 02:43:50.421 INFO [stderr]   |
Nov 28 02:43:50.421 INFO [stderr] 5 | use std::vec::Vec;
Nov 28 02:43:50.421 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 28 02:43:50.421 INFO [stderr] 
Nov 28 02:43:50.421 INFO [stderr] warning: unused import: `std::process`
Nov 28 02:43:50.421 INFO [stderr]  --> src/main.rs:7:5
Nov 28 02:43:50.421 INFO [stderr]   |
Nov 28 02:43:50.421 INFO [stderr] 7 | use std::process;
Nov 28 02:43:50.421 INFO [stderr]   |     ^^^^^^^^^^^^
Nov 28 02:43:50.421 INFO [stderr] 
Nov 28 02:43:50.421 INFO [stderr] warning: unused import: `std::mem`
Nov 28 02:43:50.421 INFO [stderr]  --> src/main.rs:8:5
Nov 28 02:43:50.421 INFO [stderr]   |
Nov 28 02:43:50.421 INFO [stderr] 8 | use std::mem;
Nov 28 02:43:50.421 INFO [stderr]   |     ^^^^^^^^
Nov 28 02:43:50.421 INFO [stderr] 
Nov 28 02:43:50.444 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Nov 28 02:43:50.444 INFO [stderr]   --> src/main.rs:14:5
Nov 28 02:43:50.444 INFO [stderr]    |
Nov 28 02:43:50.444 INFO [stderr] 14 |     thread::sleep_ms(3);
Nov 28 02:43:50.444 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 28 02:43:50.444 INFO [stderr]    |
Nov 28 02:43:50.444 INFO [stderr]    = note: #[warn(deprecated)] on by default
Nov 28 02:43:50.444 INFO [stderr] 
Nov 28 02:43:50.464 INFO [stderr] warning: unused variable: `rng`
Nov 28 02:43:50.464 INFO [stderr]   --> src/main.rs:16:9
Nov 28 02:43:50.464 INFO [stderr]    |
Nov 28 02:43:50.464 INFO [stderr] 16 | fn roar(rng: u32) {
Nov 28 02:43:50.464 INFO [stderr]    |         ^^^ help: consider using `_rng` instead
Nov 28 02:43:50.464 INFO [stderr]    |
Nov 28 02:43:50.464 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 02:43:50.464 INFO [stderr] 
Nov 28 02:43:50.500 INFO [stderr] warning: unused variable: `rng`
Nov 28 02:43:50.500 INFO [stderr]   --> src/main.rs:16:9
Nov 28 02:43:50.500 INFO [stderr]    |
Nov 28 02:43:50.500 INFO [stderr] 16 | fn roar(rng: u32) {
Nov 28 02:43:50.500 INFO [stderr]    |         ^^^ help: consider using `_rng` instead
Nov 28 02:43:50.500 INFO [stderr]    |
Nov 28 02:43:50.500 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 28 02:43:50.500 INFO [stderr] 
Nov 28 02:43:50.504 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:43:50.504 INFO [stderr]   --> src/main.rs:31:9
Nov 28 02:43:50.504 INFO [stderr]    |
Nov 28 02:43:50.504 INFO [stderr] 31 |     let mut rng = rand::thread_rng().gen_range(1, 71);
Nov 28 02:43:50.504 INFO [stderr]    |         ----^^^
Nov 28 02:43:50.504 INFO [stderr]    |         |
Nov 28 02:43:50.504 INFO [stderr]    |         help: remove this `mut`
Nov 28 02:43:50.504 INFO [stderr]    |
Nov 28 02:43:50.504 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 02:43:50.504 INFO [stderr] 
Nov 28 02:43:50.504 INFO [stderr] warning: variable `Em` should have a snake case name such as `em`
Nov 28 02:43:50.504 INFO [stderr]   --> src/main.rs:17:9
Nov 28 02:43:50.504 INFO [stderr]    |
Nov 28 02:43:50.504 INFO [stderr] 17 |     let Em = [
Nov 28 02:43:50.504 INFO [stderr]    |         ^^
Nov 28 02:43:50.504 INFO [stderr]    |
Nov 28 02:43:50.504 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 02:43:50.504 INFO [stderr] 
Nov 28 02:43:50.504 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:43:50.504 INFO [stderr]   --> src/main.rs:31:9
Nov 28 02:43:50.504 INFO [stderr]    |
Nov 28 02:43:50.504 INFO [stderr] 31 |     let mut rng = rand::thread_rng().gen_range(1, 71);
Nov 28 02:43:50.504 INFO [stderr]    |         ----^^^
Nov 28 02:43:50.504 INFO [stderr]    |         |
Nov 28 02:43:50.504 INFO [stderr]    |         help: remove this `mut`
Nov 28 02:43:50.504 INFO [stderr]    |
Nov 28 02:43:50.504 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 02:43:50.505 INFO [stderr] 
Nov 28 02:43:50.505 INFO [stderr] warning: variable `Em` should have a snake case name such as `em`
Nov 28 02:43:50.505 INFO [stderr]   --> src/main.rs:17:9
Nov 28 02:43:50.505 INFO [stderr]    |
Nov 28 02:43:50.505 INFO [stderr] 17 |     let Em = [
Nov 28 02:43:50.505 INFO [stderr]    |         ^^
Nov 28 02:43:50.505 INFO [stderr]    |
Nov 28 02:43:50.505 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Nov 28 02:43:50.505 INFO [stderr] 
Nov 28 02:43:50.560 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
Nov 28 02:43:50.560 INFO [stderr] su: No module specific data is present
Nov 28 02:43:51.408 INFO running `"docker" "inspect" "9d7d9b3631719fac8c4fc1ea9eb3a9653027236856a2781d3f9b37a6593be588"`
Nov 28 02:43:51.697 INFO running `"docker" "rm" "-f" "9d7d9b3631719fac8c4fc1ea9eb3a9653027236856a2781d3f9b37a6593be588"`
Nov 28 02:43:51.983 INFO [stdout] 9d7d9b3631719fac8c4fc1ea9eb3a9653027236856a2781d3f9b37a6593be588