Dec 19 14:36:01.312 INFO checking kaseiaoki/roar against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:36:01.313 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/kaseiaoki/roar:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:36:01.724 INFO [stdout] b48f1a6fc26d8dd56241cee381c19ae9ccb11d06c48d039174427519acb825c3
Dec 19 14:36:01.726 INFO running `"docker" "start" "-a" "b48f1a6fc26d8dd56241cee381c19ae9ccb11d06c48d039174427519acb825c3"`
Dec 19 14:36:03.768 INFO [stderr]     Checking roar v0.1.0 (/opt/crater/workdir)
Dec 19 14:36:04.216 INFO [stderr] warning: unused import: `std::io`
Dec 19 14:36:04.216 INFO [stderr]  --> src/main.rs:1:5
Dec 19 14:36:04.216 INFO [stderr]   |
Dec 19 14:36:04.216 INFO [stderr] 1 | use std::io;
Dec 19 14:36:04.216 INFO [stderr]   |     ^^^^^^^
Dec 19 14:36:04.216 INFO [stderr]   |
Dec 19 14:36:04.216 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:36:04.216 INFO [stderr] 
Dec 19 14:36:04.216 INFO [stderr] warning: unused import: `std::string::String`
Dec 19 14:36:04.216 INFO [stderr]  --> src/main.rs:2:5
Dec 19 14:36:04.216 INFO [stderr]   |
Dec 19 14:36:04.216 INFO [stderr] 2 | use std::string::String;
Dec 19 14:36:04.216 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 14:36:04.216 INFO [stderr] 
Dec 19 14:36:04.217 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 14:36:04.217 INFO [stderr]  --> src/main.rs:3:5
Dec 19 14:36:04.217 INFO [stderr]   |
Dec 19 14:36:04.217 INFO [stderr] 3 | use std::io::prelude::*;
Dec 19 14:36:04.217 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 14:36:04.217 INFO [stderr] 
Dec 19 14:36:04.217 INFO [stderr] warning: unused import: `std::env`
Dec 19 14:36:04.217 INFO [stderr]  --> src/main.rs:4:5
Dec 19 14:36:04.217 INFO [stderr]   |
Dec 19 14:36:04.220 INFO [stderr] 4 | use std::env;
Dec 19 14:36:04.220 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:36:04.220 INFO [stderr] 
Dec 19 14:36:04.220 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 19 14:36:04.220 INFO [stderr]  --> src/main.rs:5:5
Dec 19 14:36:04.220 INFO [stderr]   |
Dec 19 14:36:04.220 INFO [stderr] 5 | use std::vec::Vec;
Dec 19 14:36:04.220 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 14:36:04.220 INFO [stderr] 
Dec 19 14:36:04.220 INFO [stderr] warning: unused import: `std::process`
Dec 19 14:36:04.220 INFO [stderr]  --> src/main.rs:7:5
Dec 19 14:36:04.220 INFO [stderr]   |
Dec 19 14:36:04.220 INFO [stderr] 7 | use std::process;
Dec 19 14:36:04.220 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 14:36:04.220 INFO [stderr] 
Dec 19 14:36:04.220 INFO [stderr] warning: unused import: `std::mem`
Dec 19 14:36:04.220 INFO [stderr]  --> src/main.rs:8:5
Dec 19 14:36:04.220 INFO [stderr]   |
Dec 19 14:36:04.220 INFO [stderr] 8 | use std::mem;
Dec 19 14:36:04.220 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:36:04.220 INFO [stderr] 
Dec 19 14:36:04.248 INFO [stderr] warning: unused import: `std::io`
Dec 19 14:36:04.248 INFO [stderr]  --> src/main.rs:1:5
Dec 19 14:36:04.248 INFO [stderr]   |
Dec 19 14:36:04.248 INFO [stderr] 1 | use std::io;
Dec 19 14:36:04.248 INFO [stderr]   |     ^^^^^^^
Dec 19 14:36:04.248 INFO [stderr]   |
Dec 19 14:36:04.248 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 14:36:04.248 INFO [stderr] 
Dec 19 14:36:04.251 INFO [stderr] warning: unused import: `std::string::String`
Dec 19 14:36:04.251 INFO [stderr]  --> src/main.rs:2:5
Dec 19 14:36:04.251 INFO [stderr]   |
Dec 19 14:36:04.251 INFO [stderr] 2 | use std::string::String;
Dec 19 14:36:04.251 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 14:36:04.251 INFO [stderr] 
Dec 19 14:36:04.251 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 14:36:04.251 INFO [stderr]  --> src/main.rs:3:5
Dec 19 14:36:04.251 INFO [stderr]   |
Dec 19 14:36:04.251 INFO [stderr] 3 | use std::io::prelude::*;
Dec 19 14:36:04.251 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 14:36:04.251 INFO [stderr] 
Dec 19 14:36:04.251 INFO [stderr] warning: unused import: `std::env`
Dec 19 14:36:04.251 INFO [stderr]  --> src/main.rs:4:5
Dec 19 14:36:04.251 INFO [stderr]   |
Dec 19 14:36:04.251 INFO [stderr] 4 | use std::env;
Dec 19 14:36:04.251 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:36:04.251 INFO [stderr] 
Dec 19 14:36:04.251 INFO [stderr] warning: unused import: `std::vec::Vec`
Dec 19 14:36:04.251 INFO [stderr]  --> src/main.rs:5:5
Dec 19 14:36:04.251 INFO [stderr]   |
Dec 19 14:36:04.251 INFO [stderr] 5 | use std::vec::Vec;
Dec 19 14:36:04.251 INFO [stderr]   |     ^^^^^^^^^^^^^
Dec 19 14:36:04.251 INFO [stderr] 
Dec 19 14:36:04.251 INFO [stderr] warning: unused import: `std::process`
Dec 19 14:36:04.251 INFO [stderr]  --> src/main.rs:7:5
Dec 19 14:36:04.251 INFO [stderr]   |
Dec 19 14:36:04.251 INFO [stderr] 7 | use std::process;
Dec 19 14:36:04.251 INFO [stderr]   |     ^^^^^^^^^^^^
Dec 19 14:36:04.251 INFO [stderr] 
Dec 19 14:36:04.251 INFO [stderr] warning: unused import: `std::mem`
Dec 19 14:36:04.251 INFO [stderr]  --> src/main.rs:8:5
Dec 19 14:36:04.251 INFO [stderr]   |
Dec 19 14:36:04.251 INFO [stderr] 8 | use std::mem;
Dec 19 14:36:04.251 INFO [stderr]   |     ^^^^^^^^
Dec 19 14:36:04.251 INFO [stderr] 
Dec 19 14:36:04.264 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 19 14:36:04.264 INFO [stderr]   --> src/main.rs:14:5
Dec 19 14:36:04.264 INFO [stderr]    |
Dec 19 14:36:04.264 INFO [stderr] 14 |     thread::sleep_ms(3);
Dec 19 14:36:04.264 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 14:36:04.264 INFO [stderr]    |
Dec 19 14:36:04.264 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 14:36:04.264 INFO [stderr] 
Dec 19 14:36:04.292 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 19 14:36:04.292 INFO [stderr]   --> src/main.rs:14:5
Dec 19 14:36:04.292 INFO [stderr]    |
Dec 19 14:36:04.292 INFO [stderr] 14 |     thread::sleep_ms(3);
Dec 19 14:36:04.292 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 14:36:04.292 INFO [stderr]    |
Dec 19 14:36:04.292 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 19 14:36:04.292 INFO [stderr] 
Dec 19 14:36:04.340 INFO [stderr] warning: unused variable: `rng`
Dec 19 14:36:04.341 INFO [stderr]   --> src/main.rs:16:9
Dec 19 14:36:04.341 INFO [stderr]    |
Dec 19 14:36:04.341 INFO [stderr] 16 | fn roar(rng: u32) {
Dec 19 14:36:04.344 INFO [stderr]    |         ^^^ help: consider using `_rng` instead
Dec 19 14:36:04.348 INFO [stderr]    |
Dec 19 14:36:04.348 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:36:04.348 INFO [stderr] 
Dec 19 14:36:04.355 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:36:04.355 INFO [stderr]   --> src/main.rs:31:9
Dec 19 14:36:04.355 INFO [stderr]    |
Dec 19 14:36:04.355 INFO [stderr] 31 |     let mut rng = rand::thread_rng().gen_range(1, 71);
Dec 19 14:36:04.355 INFO [stderr]    |         ----^^^
Dec 19 14:36:04.355 INFO [stderr]    |         |
Dec 19 14:36:04.355 INFO [stderr]    |         help: remove this `mut`
Dec 19 14:36:04.368 INFO [stderr]    |
Dec 19 14:36:04.368 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 14:36:04.368 INFO [stderr] 
Dec 19 14:36:04.369 INFO [stderr] warning: variable `Em` should have a snake case name such as `em`
Dec 19 14:36:04.369 INFO [stderr]   --> src/main.rs:17:9
Dec 19 14:36:04.369 INFO [stderr]    |
Dec 19 14:36:04.369 INFO [stderr] 17 |     let Em = [
Dec 19 14:36:04.369 INFO [stderr]    |         ^^
Dec 19 14:36:04.369 INFO [stderr]    |
Dec 19 14:36:04.369 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 14:36:04.369 INFO [stderr] 
Dec 19 14:36:04.376 INFO [stderr] warning: unused variable: `rng`
Dec 19 14:36:04.376 INFO [stderr]   --> src/main.rs:16:9
Dec 19 14:36:04.377 INFO [stderr]    |
Dec 19 14:36:04.377 INFO [stderr] 16 | fn roar(rng: u32) {
Dec 19 14:36:04.377 INFO [stderr]    |         ^^^ help: consider using `_rng` instead
Dec 19 14:36:04.380 INFO [stderr]    |
Dec 19 14:36:04.380 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 14:36:04.380 INFO [stderr] 
Dec 19 14:36:04.392 INFO [stderr] warning: variable does not need to be mutable
Dec 19 14:36:04.393 INFO [stderr]   --> src/main.rs:31:9
Dec 19 14:36:04.393 INFO [stderr]    |
Dec 19 14:36:04.393 INFO [stderr] 31 |     let mut rng = rand::thread_rng().gen_range(1, 71);
Dec 19 14:36:04.393 INFO [stderr]    |         ----^^^
Dec 19 14:36:04.393 INFO [stderr]    |         |
Dec 19 14:36:04.393 INFO [stderr]    |         help: remove this `mut`
Dec 19 14:36:04.393 INFO [stderr]    |
Dec 19 14:36:04.393 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 14:36:04.393 INFO [stderr] 
Dec 19 14:36:04.393 INFO [stderr] warning: variable `Em` should have a snake case name such as `em`
Dec 19 14:36:04.393 INFO [stderr]   --> src/main.rs:17:9
Dec 19 14:36:04.393 INFO [stderr]    |
Dec 19 14:36:04.393 INFO [stderr] 17 |     let Em = [
Dec 19 14:36:04.393 INFO [stderr]    |         ^^
Dec 19 14:36:04.393 INFO [stderr]    |
Dec 19 14:36:04.393 INFO [stderr]    = note: #[warn(non_snake_case)] on by default
Dec 19 14:36:04.393 INFO [stderr] 
Dec 19 14:36:04.453 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Dec 19 14:36:05.319 INFO running `"docker" "inspect" "b48f1a6fc26d8dd56241cee381c19ae9ccb11d06c48d039174427519acb825c3"`
Dec 19 14:36:05.640 INFO running `"docker" "rm" "-f" "b48f1a6fc26d8dd56241cee381c19ae9ccb11d06c48d039174427519acb825c3"`
Dec 19 14:36:05.916 INFO [stdout] b48f1a6fc26d8dd56241cee381c19ae9ccb11d06c48d039174427519acb825c3